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Location: Montreal, Canada Key Responsibilities: Lead the development and execution of advanced orbit dynamics and mission analysis tasks for various space missions. Architect, design, and optimize complex satellite trajectories, maneuvers (low-thrust, impulsive), and constellation configurations using STK (including modules like Astrogator, Optimizer, Analysis Workbench) and custom tools. Develop, implement, and validate high-fidelity simulation models and analysis software using Python, MATLAB, and/or C# to support mission design, performance assessment, and trade studies. Perform and oversee specialized analyses: advanced coverage, communications link budgets, conjunction assessment and collision avoidance strategies, re-entry predictions, orbit determination, and attitude dynamics interactions. Define mission requirements related to trajectory and orbital performance; contribute to system architecture development and trade-offs. Develop novel analysis techniques and automate complex simulation workflows. Provide technical leadership and mentorship to junior engineers within the team. Prepare and present detailed technical reports, analysis results, and recommendations to internal teams, management, and external customers/stakeholders. Interface with other subsystems (GNC, Systems, Software, Operations) to ensure mission success. Required Qualifications: Master's degree in Aerospace Engineering, Astronautical Engineering, Physics, Applied Mathematics, or a closely related field; Or a Bachelor's degree with significant additional relevant experience (typically 9+ years). Minimum of seven (7) years of professional, post-graduation experience directly related to orbit dynamics, astrodynamics, trajectory optimization, and space mission design and analysis. Expert-level proficiency with Systems Tool Kit (STK) / Satellite Tool Kit (STK), including advanced modules (e.g., Astrogator, Optimizer, Coverage, Comm) and experience with STK automation/scripting (via API, Connect). Advanced programming proficiency and demonstrated experience developing analysis tools, models, or simulations in Python and MATLAB. In-depth theoretical and practical understanding of advanced orbital mechanics, perturbation theory, estimation techniques (orbit determination), and trajectory optimization methods (gradient-based, evolutionary). Proven ability to lead technical analyses, conduct complex trade studies, and solve challenging astrodynamics problems independently. Excellent analytical, critical thinking, and problem-solving skills. Strong written and verbal communication skills in English. French language is considered favorably. Complementary skills/knowledge : PhD in Aerospace Engineering or a closely related field with a focus on astrodynamics or orbital mechanics. Experience with other simulation environments (GMAT, FreeFlyer, Orekit) or specialized tools (SPICE). Experience with C/C++ programming. Experience in spacecraft Guidance, Navigation, and Control (GNC) analysis or design. Experience with multi-body dynamics and large constellations. Experience with satellite operations, particularly flight dynamics aspects. Experience with software development best practices (version control with Git, testing, documentation, CI/CD). Record of publications or conference presentations in relevant fields.

Location: Canada Role overview: We are seeking a Spacecraft EMC Systems Engineer for its high-performance spacecraft for our remote sensing and communications satellites. The Spacecraft EMC Systems Engineer will own the EMC concept, analysis, verification and mitigation for multiple satellite programmes, driving architecture decisions, leading cross-disciplinary teams. He will ensure all electrical-subsystem on the bus and payload, from requirements capture to hardware design, do not interfere with themselves or launch vehicles. The role works closely with platform and payload teams to ensure an electrically clean, reliable and launch-ready spacecraft. Tasks summary: EMC Architecture Concept & Requirements • Capture, allocate and trace EMC functional, performance, and requirements. • Define the EMC architecture (shielding strategy, grounding scheme, antenna placement, mode-control, and harness segregation requirements & routing constraints). EMC Analysis & Electrical Design • Perform EMC analyses of the whole spacecraft (accounting for the payload specifics) for radiated/conducted emission and susceptibility, antenna coupling, shielding effectiveness, fuse blowing…etc. and verify compliance early in the design cycle. • Recommend mitigation such as shielding, filtering, grounding schemes, layout rules. DC Power Distribution • Review DC power distribution architecture (primary bus, secondary bus lines, converters, fusing, protection) for EMC/EMI aspects. • Review conductors, termination, connectors and back shells (material, gauge, shielding…etc.) that satisfy EMI control requirements. Cross‑Functional Coordination, Stakeholder & Program Interaction • Communicate technical status, risk assessments and trade‑study results to senior management and/or customers or partners. • Support ICDs with payload and platform teams and suppliers. • Act as the EMC authority in System and subsystem design reviews • Liaise with RF, Power, Structures, Propulsion, Software and Ground-Segment teams to resolve cross-disciplinary EMC issues early. • Support B&P (Phase 0 & pre-Phase A). Integration & Verification (IVV) • Author the EMC Verification Master Plan covering component level, subsystem level and full spacecraft tests (CE/CS, RE/RS). • Oversee test-facility set-up, instrumentation calibration, test execution, data reduction and results certification. • Author test procedures, and acceptance criteria. • Lead CE/CS tests, RE/RS tests on hardware and review suppliers test results. Technical Leadership & Mentorship • Mentor, guide junior engineers and interns and provide EMC training sessions. • Act as technical liaison with customers, partners and external vendors. • Act as Continuous Improvement stakeholder. • Contribute to Client’s knowledge‑base, process enhancements, and standards development. Configuration, Documentation & Standards Management • Participate in Change Control Boards (CCB) and ensure impact analyses are performed for any electrical change. • Maintain GDIR and EDTS streamlining. • Ensure all artefacts, analysis and documentations are version controlled in PLM environment. • Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.). • Support Technology Road‑Mapping & Innovation. On‑Orbit & Operations Support • Support root‑cause investigations for on‑orbit anomalies; update design baselines and lessons‑learned. • Support SOOH development and associated operator training. Required Qualifications: • B.Sc. in Electrical Engineering, Aerospace or Physics, (M.Sc. preferred) with 10 + years of electrical design engineering experience on LEO/MEO/GEO missions. • Proficiency in spacecraft and unit EMC requirements and simulations. • Prior experience supervising a team of EMC engineers or leading multi-disciplinary task-forces. • Strong understanding of aerospace system engineering fundamentals • Hands-on individual who can support systems integration processes and capability to test systems and resolve problems. • Experience with Confluence and JIRA. • Demonstrated capability to efficiently work with little to no supervision. • Ability to distill complex problems to fundamentals to solve with analysis, similarity, or creativity. • Demonstrate excellent written and oral communication skills in English; knowledge of French will be considered an asset (Contact with clients outside Quebec and work on deliverables in English).

Location: Canada Role overview: We are seeking an experienced Electrical Power System Engineer to support the concept, detailed design, analysis, verification and integration of electrical power subsystems (solar arrays, power-conditioning units, batteries, distribution & regulation) for our current and next-generation remote sensing and communications satellites. The role works closely with payload, bus, thermal, structural and mission-systems multidisciplinary teams responsible for delivering high-performance, reliable EPS solutions to commercial, government, and defense customers. Tasks summary: Architecture Concept & Requirements • Define EPS architecture (generation, storage, distribution) that satisfies mission power budget, mass, volume and reliability constraints. • Perform trade-studies (e.g., solar cell type, battery chemistry, regulator topology). • Generate system requirements, functional flow block diagrams. • Develop the Interface Control Documents (ICD) and Design Description. • Perform requirement management and maintain bidirectional traceability throughout the program life cycle. Detailed Design & Analysis • Size solar arrays, power-conditioning units, battery packs, and power distribution units. • Build and validate high-fidelity electrical models for satellite modes, FMECA, Fault detection… • Conduct & maintain power budget models, load-flow, thermal-power coupling, and survivability analyses (e.g., eclipse, safe-mode, fault-tolerant). Cross‑Functional Coordination, Stakeholder & Program Interaction • Present technical status, risk analyses, and trade‑study results to senior management. • Interface with spacecraft bus teams (power, thermal, structure, avionics). • Develop/maintain high-fidelity power models for mission analysis (e.g., orbit raising, station-keeping, de-orbit). • Develop tools for power efficiency & optimisation for the satellite. • Support B&P (Phase 0 & pre-phase A). Integration & Verification (IVV) • Author verification plans, test matrices, and validation procedures for unit & EPS subsystem tests. • Support ground-test & integration campaigns, fueling, thermal vacuum, EMI/EMC, and spacecraft-level integration. • Analyse test data, close out anomalies, and update design baselines. • Support FSW integration Technical Leadership & Mentorship • Mentor, guide, lead a multidisciplinary team of junior or intermediate system engineers & interns • Act as technical liaison with customers, partners and external vendors • Act as Continuous Improvement stakeholder • Contribute to Client's knowledge‑base, process enhancements, and standards development. Configuration, Documentation & Standards Management • Maintain design and safety standards. • Ensure all artefacts, analysis, software, documentations and deliverables are version controlled in PLM environment. • Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.). • Support Technology Road‑Mapping & Innovation Launch‑Site, On‑Orbit & Operations Support • Support launch‑site interface checklists with LVI responsible engineer, pre‑launch checkout procedures, and early‑orbit checkout scripts. • Provide real‑time engineering support during launch, on‑orbit commissioning, anomaly investigations and contingency operations. • Support SOOH development and associated operator trainings. Required Qualifications: • B.Sc. in Electrical Engineering, Aerospace or Physics with 8 + years of EPS system design experience on LEO/MEO platforms. • Deep knowledge of spacecraft bus subsystems and their interactions. • Experience with power‑electronics design and power management hardware. • Strong understanding of aerospace system engineering fundamentals • Hands-on individual who can support systems integration processes and capability to test systems and resolve problems. • Experience with Confluence and JIRA • Demonstrated capability to efficiently work with little supervision • Ability to distill complex problems to fundamentals to solve with analysis, similarity, or creativity. • Demonstrate excellent written and oral communication skills in English; knowledge of French will be considered an asset (Contact with clients outside Quebec and work on deliverables in English).

Location: Canada Role overview: We are seeking a GNC System Engineer for design, integration, verification, and operational support of GNC subsystems for our current and next-generation remote sensing and communications satellites. The role will require to design the complete subsystem, from algorithm development through hardware implementation, verification, and on‑orbit operation support. The role requires deep expertise in orbital dynamics, attitude‑determination & control, plus real‑time FSW definition and integration, and will work closely with subsystem and mission operations teams throughout the satellite life-cycle. Tasks summary: Architecture Concept & Requirements • Derive GNC functional, performance, and safety requirements (pointing accuracy, slew rate, orbit‑maintenance ΔV, fault‑tolerance) from mission level requirements. • Produce System Requirements, Interface Control document (ICD), and Description Document. • Perform requirement management and maintain bidirectional traceability throughout the project lifecycle. Modelling & Trade‑Study • Conduct trade studies on sensor suites and actuator families. • Perform high‑fidelity dynamics simulations (Matlab/Simulink, STK) to meet pointing requirements, maintain error budgets, control‑law stability, fuel consumption, and survivability margins. Algorithm Development • Design and implement attitude‑determination algorithms and orbit‑determination solutions. • Develop control laws for 3‑axis stabilization, slew maneuvers, station keeping algorithms • Validate algorithms with Monte‑Carlo analysis, worst‑case scenarios, and support SIL/HIL testing on avionic test bench. Cross‑Functional Coordination, Stakeholder & Program Interaction • Translate algorithms into FSW requirements running on real‑time operating systems. • Collaborate with the C&DH and FSW teams to implement TM/TC, schedulers and FDIR logic for GNC. • Present technical status, risk analyses, and trade‑study results to senior management. • Negotiate and maintain ICDs with subsystems. • Support B&P (Phase 0 & pre-phase A). Hardware Selection & Design • Specify sensor and actuator hardware, perform interface definition (electrical, mechanical, thermal) and conduct trade on redundancy architectures. • Work with structures and thermal engineers to ensure proper mounting, thermal paths, and vibration survivability of GNC hardware aligning with payload requirements. • Review harness routing and power distribution for GNC electronics. Integration & Verification (IVV) • Author Verification Plans, Test Matrices, and Validation Procedures for unit, subsystem, and spacecraft level GNC tests. • Lead functional tests: sensor calibration, actuator command‑response, closed‑loop attitude‑control on testbeds, and on‑orbit checkout sequences. • Conduct failure mode and effects analysis (FMEA), fault tree analysis (FTA), and reliability prediction. Technical Leadership & Mentorship • Mentor, guide junior engineers and interns. • Act as technical liaison with customers, partners and external vendors • Act as Continuous Improvement stakeholder • Contribute to Client’s knowledge‑base, process enhancements, and standards. Configuration, Documentation & Standards Management • Maintain GNC standards (sensor/actuator interface, filter design, control‑law documentation). • Ensure all artefacts, analysis, software, deliverables and documentations are version controlled in PLM environment. • Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.). • Support Technology Road‑Mapping & Innovation On‑Orbit & Operations Support • Support procedure developments (detumble, orbit‑maintenance, safe‑mode…etc.). • Provide real‑time GNC support during launch, early‑orbit checkout, and contingency events. • Analyse on‑orbit telemetry, update filter parameters, and generate performance reports. • Support SOOH development and associated operator training. Required Qualifications: • B.Sc. in Electrical Engineering, Aerospace or Physics, (M.Sc. preferred), focused on flight dynamics, control theory, or navigation with 10+ of GNC/AOCS experience on LEO/MEO/GEO platforms. • Orbital mechanics, attitude dynamics, and control-law design (classical and modern optimal control). • Proficiency with navigation sensors and actuators. • Experience implementing real-time filtering and control algorithms in embedded code • Strong understanding of aerospace system engineering fundamentals. • Hands-on individual who can support systems integration processes and capability to test systems and resolve problems. • Experience with Confluence and JIRA. • Demonstrated capability to efficiently work with little supervision. • Ability to distill complex problems to fundamentals to solve with analysis, similarity, or creativity. • Demonstrate excellent written and verbal communications skills in English & French work environment.

Location: United States WHAT YOU'LL DO: Process shipping and receiving at the Santa Ana and/or Costa Mesa locations as needed Prepare finished stock for shipment by identifying, pulling, packing, crating, labeling, loading, and securing product Key person to ensure material movement across sites is accurately transacted for each move Ensure orderly production and distribution of products by pulling orders from inventory, delivering production materials and supplies where needed, and staging finished product for final distribution Complete cycle counts and conduct all warehouse activities with inventory accuracy as a top priority Maintain inventory by identifying, labeling, and keeping materials and supplies in stock, recording location of inventory, and reporting shortages Operate forklifts, pallet jacks, and other machinery to move items, or signal machine operators to move materials onto and off trucks and loading docks Courier inventory as needed between Client's sites in Santa Ana & Costa Mesa Expedite flow of material, parts, and assemblies within or between departments in accordance with production and shipping schedules REQUIRED QUALIFICATIONS: 2+ years as a warehouse associate or equivalent role Must be able to work 1st or 2nd shift and overtime as needed Valid driver's license Ability to be onsite, local to Santa Ana, CA or Costa Mesa, CA PREFERRED QUALIFICATIONS: 1+ years forklift experience and license Experience working in the defense/aerospace industry Familiarity with Enterprise Resource Planning (ERP) systems and/or other warehouse management and inventory control tooling. Familiarity with Microsoft Office or equivalent office management tooling Familiarity with Inventory Management through lot/serial/batch tracking Experience packaging and handling hazardous shipments Excellent customer service skills Able to adapt in fast-paced environments Ability to flex as work shifts can be subject to change depending on the business need Ability to prioritize tasks efficiently and effectively Eligibility to obtain and maintain a U.S. clearance Active secret or top secret clearance within the last 5 years

Location: United States Location: Bellevue, Washington, hybrid, 3 days per week on-site. Duration: 6-month W-2 contract with possibility of conversion to full time. About the role: This is an embedded firmware role, not application software. Bare-PCB bring-up to production firmware on 32-bit ARM Cortex-M microcontrollers, in embedded C . The product is built around USB-C Power Delivery controllers . Candidates must understand USB-C / USB-PD: source, sink and dual-role, power contract negotiation, fault handling. Hands-on bench work is mandatory: oscilloscope, logic or protocol analyzer, SWD/JTAG debugger, UART logging, working from datasheets, register tables and schematics. Companion-IC communication over I2C, SPI, UART . Strong plus: Infineon EZ-PD / PMG1 or Cypress CCGx PD controllers, ModusToolbox or STM32Cube, bootloader / DFU work, power-path or regulator firmware (VBUS, OVP/UVP/OCP), USB hubs, DisplayPort Alt Mode, redrivers. Role Description We're bringing up new hardware built around USB-C Power Delivery controllers and are looking for an embedded firmware engineer to help take these boards from bare PCB to working, production-quality firmware. You'll write and debug firmware on 32-bit ARM microcontrollers, configure companion ICs over I2C/SPI/UART, and work hands-on at the bench in collaboration with our hardware team. Job Responsibilities Bring up new PCBs: validate power/clocks, connect a debugger, enable peripherals, and get firmware running on new hardware Develop and debug embedded C firmware on ARM Cortex-M-class MCUs Configure and drive companion ICs over I2C or other peripheral buses Implement and debug USB-C / USB-PD behavior (power negotiation, source/sink roles, fault handling, etc.) Debug at the bench with oscilloscope, protocol/logic analyzer, multimeter, and SWD/JTAG Work from datasheets, register tables, and schematics Document configurations and design decisions Collaborate with hardware engineers to isolate hardware vs. firmware issues Required Skills Strong embedded C on 32-bit MCUs (ARM Cortex-M or similar): interrupts, register-level peripheral work, development under flash/RAM constraints Working understanding of USB-C/USB-PD (source/sink/DRP roles, power contract negotiation) I2C/SPI/UART peripheral/companion-IC communication, configuration, and debug Hands-on hardware bring-up experience: taking a board from power-on to running firmware, or debugging firmware against real hardware Datasheet and schematic literacy: able to configure a part from its register tables and confirm pin/power connections Comfortable with standard bench debug tools: oscilloscope, logic/protocol analyzer, SWD/JTAG debugger, UART logging Git proficiency Preferred Skills Experience with a Cypress/Infineon MCU SDK/IDE and its middleware (e.g. ModusToolbox, STM32Cube, or similar), including creating/customizing a board support package Firmware update/bootloader work (DFU or equivalent): building and flashing update images Power-path or regulator firmware: VBUS control, fault detection/recovery (OVP/UVP/OCP), enable/soft-start sequencing USB subsystem experience: hubs, DisplayPort Alt Mode, redrivers/retimers, or billboard devices Nice to have Prior work with Infineon EZ-PD / PMG1 (or Cypress CCGx) PD controllers and ModusToolbox CI for embedded builds USB-IF PD compliance/USB-C requirements familiarity

Location: Costa Mesa, United States; Santa Ana, United States 📍 Location: Santa Ana / Costa Mesa, CA 📄 Employment Type: 6-Month Contract, with potential for conversion to full-time 🏢 Work Arrangement: On-site 🚀 Start Date: TBD 💰 Compensation: TBD — based on skills and experience Important Screening Requirements Must be a U.S. Citizen . Must have a valid driver's license . Must be able to work 1st or 2nd shift , including overtime as needed. Must be able to work on-site in Santa Ana or Costa Mesa, CA ; local candidates are preferred. Must be able to lift up to 50 lbs. Must be comfortable using a computer to enter inventory transactions and communicate through tools such as Slack . Must have proficient spoken and written English . Must be willing to work a flexible schedule , as shifts may change based on business needs. Must be eligible to obtain and maintain a U.S. security clearance ; an active Secret or Top Secret clearance within the last five years is preferred. About the Role We are seeking Materials Associates to join a high-volume warehouse and materials team supporting operations across the Santa Ana and Costa Mesa locations. This role is responsible for the movement, organization, tracking, and shipment of materials, parts, assemblies, and finished products. The ideal candidate is not simply an experienced warehouse operator but someone who is reliable, detail-oriented, curious, and comfortable identifying ways to improve processes . You will work across shipping and receiving, inventory control, material movement, production support, and warehouse operations while maintaining a strong focus on inventory accuracy and timely material flow . What We’re Looking For We’re looking for someone who can combine hands-on warehouse experience with strong attention to detail and critical thinking . Experience with inventory control, cycle counting, WMS/ERP systems, or lot/serial/batch tracking is highly valuable. The team values candidates who are adaptable, dependable, comfortable learning new systems, and willing to question and improve existing processes . Key Responsibilities Process shipping and receiving activities at the Santa Ana and/or Costa Mesa locations as needed. Prepare finished stock for shipment by: Identifying and pulling products Packing and crating materials Labeling shipments Loading and securing products Accurately transact the movement of materials between company sites. Pull orders from inventory and deliver production materials and supplies where needed. Stage finished products for final distribution. Complete cycle counts and other warehouse activities with inventory accuracy as a top priority. Maintain inventory by identifying and labeling materials and supplies. Record and maintain accurate inventory locations. Identify and report inventory shortages. Operate forklifts, pallet jacks, and other material-handling equipment as applicable. Move materials onto and off trucks and loading docks. Courier inventory between the Santa Ana and Costa Mesa locations as needed. Expedite the movement of materials, parts, and assemblies within or between departments based on production and shipping schedules. Support a fast-paced warehouse environment while maintaining accuracy, safety, and organization. Required Qualifications 2+ years of experience as a warehouse associate or in an equivalent role. Valid driver's license . Ability to work 1st or 2nd shift and overtime as needed. Ability to work on-site in Santa Ana or Costa Mesa, CA . Ability to lift up to 50 lbs. Comfortable working with computers and entering inventory transactions. Strong attention to detail and commitment to inventory accuracy. Strong communication and organizational skills. Ability to adapt to a fast-paced environment. Ability to prioritize tasks efficiently and effectively. Preferred Qualifications 1+ year of forklift experience and forklift certification/license. Experience working in the defense or aerospace industry . Experience with ERP systems, WMS, or inventory management platforms . Familiarity with Microsoft Office or similar productivity tools. Experience with lot, serial, or batch tracking . Experience packaging and handling hazardous shipments . Experience with inventory control and cycle counting. Excellent customer service and communication skills. Ability to identify opportunities to improve warehouse and material-flow processes. Active Secret or Top Secret clearance within the last five years. Experience working in environments where priorities and work shifts may change based on business needs. Shift Information 1st Shift: 7:00 AM – 3:30 PM 2nd Shift: 3:00 PM – 11:30 PM 2nd shift is currently the greater need. A Tuesday–Saturday shift is expected to become available shortly. Candidates should be prepared to indicate their preferred shift during the screening process. Screening focus: In addition to warehouse experience, prioritize reliability, critical thinking, curiosity, inventory accuracy, adaptability, and willingness to improve processes .

Location: Sainte-Anne-de-Bellevue, Canada Role overview: Our client is seeking a Spacecraft EMC Systems Engineer for its high performance spacecraft for our remote sensing and communications satellites. The Spacecraft EMC Systems Engineer will own the EMC concept, analysis, verification and mitigation for multiple satellite programmes, driving architecture decisions, leading cross disciplinary teams. He will ensure all electrical subsystem on the bus and payload, from requirements capture to hardware design, do not interfere with themselves or launch vehicles. The role works closely with platform and payload teams to ensure an electrically clean, reliable and launch ready spacecraft. Tasks summary: EMC Architecture Concept & Requirements • Capture, allocate and trace EMC functional, performance, and requirements. • Define the EMC architecture (shielding strategy, grounding scheme, antenna placement, mode control, and harness segregation requirements & routing constraints). EMC Analysis & Electrical Design • Perform EMC analyses of the whole spacecraft (accounting for the payload specifics) for radiated/conducted emission and susceptibility, antenna coupling, shielding effectiveness, fuse blowing…etc. and verify compliance early in the design cycle. • Recommend mitigation such as shielding, filtering, grounding schemes, layout rules. DC Power Distribution • Review DC power distribution architecture (primary bus, secondary bus lines, converters, fusing, protection) for EMC/EMI aspects. • Review conductors, termination, connectors and back shells (material, gauge, shielding…etc.) that satisfy EMI control requirements. Cross‑Functional Coordination, Stakeholder & Program Interaction • Communicate technical status, risk assessments and trade‑study results to senior management and/or customers or partners. • Support ICDs with payload and platform teams and suppliers. • Act as the EMC authority in System and subsystem design reviews • Liaise with RF, Power, Structures, Propulsion, Software and Ground Segment teams to resolve cross disciplinary EMC issues early. • Support B&P (Phase 0 & pre-Phase A). Integration & Verification (IVV) • Author the EMC Verification Master Plan covering component level, subsystem level and full spacecraft tests (CE/CS, RE/RS). • Oversee test facility set up, instrumentation calibration, test execution, data reduction and results certification. • Author test procedures, and acceptance criteria. • Lead CE/CS tests, RE/RS tests on hardware and review suppliers test results. Technical Leadership & Mentorship • Mentor, guide junior engineers and interns and provide EMC training sessions. • Act as technical liaison with customers, partners and external vendors. • Act as Continuous Improvement stakeholder. • Contribute to our client’s knowledge‑base, process enhancements, and standards development. Configuration, Documentation & Standards Management • Participate in Change Control Boards (CCB) and ensure impact analyses are performed for any electrical change. • Maintain GDIR and EDTS streamlining. • Ensure all artefacts, analysis and documentations are version controlled in PLM environment. • Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.). • Support Technology Road‑Mapping & Innovation. On‑Orbit & Operations Support • Support root‑cause investigations for on‑orbit anomalies; update design baselines and lessons‑learned. • Support SOOH development and associated operator training. Required Qualifications: • B.Sc. in Electrical Engineering, Aerospace or Physics, (M.Sc. preferred) with 10 + years of electrical design engineering experience on LEO/MEO/GEO missions. • Proficiency in spacecraft and unit EMC requirements and simulations. • Prior experience supervising a team of EMC engineers or leading multi disciplinary task forces. • Strong understanding of aerospace system engineering fundamentals • Hands-on individual who can support systems integration processes and capability to test systems and resolve problems. • Experience with Confluence and JIRA. • Demonstrated capability to efficiently work with little to no supervision. • Ability to distill complex problems to fundamentals to solve with analysis, similarity, or creativity. • Demonstrate excellent written and oral communication skills in English; knowledge of French will be considered an asset (Contact with clients outside Quebec and work on deliverables in English).

Location: Sainte-Anne-de-Bellevue, Canada Role overview: Our client is seeking an experienced Electrical Power System Engineer to support the concept, detailed design, analysis, verification and integration of electrical power subsystems (solar arrays, power‑conditioning units, batteries, distribution & regulation) for our current and next‑generation remote sensing and communications satellites. The role works closely with payload, bus, thermal, structural and mission‑systems multidisciplinary teams responsible for delivering high‑performance, reliable EPS solutions to commercial, government, and defense customers. Tasks summary: Architecture Concept & Requirements Define EPS architecture (generation, storage, distribution) that satisfies mission power budget, mass, volume and reliability constraints. Perform trade‑studies (e.g., solar cell type, battery chemistry, regulator topology). Generate system requirements, functional flow block diagrams. Develop the Interface Control Documents (ICD) and Design Description. Perform requirement management and maintain bidirectional traceability throughout the program life cycle. Detailed Design & Analysis Size solar arrays, power‑conditioning units, battery packs, and power distribution units. Build and validate high‑fidelity electrical models for satellite modes, FMECA, Fault detection… Conduct & maintain power budget models, load‑flow, thermal‑power coupling, and survivability analyses (e.g., eclipse, safe‑mode, fault‑tolerant). Cross‑Functional Coordination, Stakeholder & Program Interaction Present technical status, risk analyses, and trade‑study results to senior management. Interface with spacecraft bus teams (power, thermal, structure, avionics). Develop/maintain high‑fidelity power models for mission analysis (e.g., orbit raising, station‑keeping, de‑orbit). Develop tools for power efficiency & optimisation for the satellite. • Support B&P (Phase 0 & pre-phase A). Integration & Verification (IVV) Author verification plans, test matrices, and validation procedures for unit & EPS subsystem tests. Support ground‑test & integration campaigns, fueling, thermal vacuum, EMI/EMC, and spacecraft‑level integration. Analyse test data, close out anomalies, and update design baselines. Support FSW integration Technical Leadership & Mentorship Mentor, guide, lead a multidisciplinary team of junior or intermediate system engineers & interns Act as technical liaison with customers, partners and external vendors Act as Continuous Improvement stakeholder Contribute to our client’s knowledge‑base, process enhancements, and standards development. Configuration, Documentation & Standards Management Maintain design and safety standards. Ensure all artefacts, analysis, software, documentations and deliverables are version controlled in PLM environment. Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.). Support Technology Road‑Mapping & Innovation Launch‑Site, On‑Orbit & Operations Support Support launch‑site interface checklists with LVI responsible engineer, pre‑launch checkout procedures, and early‑orbit checkout scripts. Provide real‑time engineering support during launch, on‑orbit commissioning, anomaly investigations and contingency operations. Support SOOH development and associated operator trainings. Required Qualifications: B.Sc. in Electrical Engineering, Aerospace or Physics with 8 + years of EPS system design experience on LEO/MEO platforms. Deep knowledge of spacecraft bus subsystems and their interactions. Experience with power‑electronics design and power management hardware. Strong understanding of aerospace system engineering fundamentals Hands-on individual who can support systems integration processes and capability to test systems and resolve problems. Experience with Confluence and JIRA Demonstrated capability to efficiently work with little supervision Ability to distill complex problems to fundamentals to solve with analysis, similarity, or creativity. Demonstrate excellent written and oral communication skills in English; knowledge of French will be considered an asset (Contact with clients outside Quebec and work on deliverables in English).

Location: Sainte-Anne-de-Bellevue, Canada Role overview: Our client is seeking a GNC System Engineer for design, integration, verification, and operational support of GNC subsystems for our current and next‑generation remote sensing and communications satellites. The role will require to design the complete subsystem, from algorithm development through hardware implementation, verification, and on‑orbit operation support. The role requires deep expertise in orbital dynamics, attitude‑determination & control, plus real‑time FSW definition and integration, and will work closely with subsystem and mission operations teams throughout the satellite life‑cycle. Tasks summary: Architecture Concept & Requirements Derive GNC functional, performance, and safety requirements (pointing accuracy, slew rate, orbit‑maintenance ΔV, fault‑tolerance) from mission level requirements. Produce System Requirements, Interface Control document (ICD), and Description Document. Perform requirement management and maintain bidirectional traceability throughout the project lifecycle. Modelling & Trade‑Study Conduct trade studies on sensor suites and actuator families. Perform high‑fidelity dynamics simulations (Matlab/Simulink, STK) to meet pointing requirements, maintain error budgets, control‑law stability, fuel consumption, and survivability margins. Algorithm Development Design and implement attitude‑determination algorithms and orbit‑determination solutions. Develop control laws for 3‑axis stabilization, slew maneuvers, station keeping algorithms Validate algorithms with Monte‑Carlo analysis, worst‑case scenarios, and support SIL/HIL testing on avionic test bench. Cross‑Functional Coordination, Stakeholder & Program Interaction Translate algorithms into FSW requirements running on real‑time operating systems. Collaborate with the C&DH and FSW teams to implement TM/TC, schedulers and FDIR logic for GNC. Present technical status, risk analyses, and trade‑study results to senior management. Negotiate and maintain ICDs with subsystems. Support B&P (Phase 0 & pre-phase A). Hardware Selection & Design Specify sensor and actuator hardware, perform interface definition (electrical, mechanical, thermal) and conduct trade on redundancy architectures. Work with structures and thermal engineers to ensure proper mounting, thermal paths, and vibration survivability of GNC hardware aligning with payload requirements. Review harness routing and power distribution for GNC electronics. Integration & Verification (IVV) Author Verification Plans, Test Matrices, and Validation Procedures for unit, subsystem, and spacecraft level GNC tests. Lead functional tests: sensor calibration, actuator command‑response, closed‑loop attitude‑control on testbeds, and on‑orbit checkout sequences. Conduct failure mode and effects analysis (FMEA), fault tree analysis (FTA), and reliability prediction. Technical Leadership & Mentorship Mentor, guide junior engineers and interns. Act as technical liaison with customers, partners and external vendors Act as Continuous Improvement stakeholder Contribute to our client’s knowledge‑base, process enhancements, and standards. Configuration, Documentation & Standards Management Maintain GNC standards (sensor/actuator interface, filter design, control‑law documentation). • Ensure all artefacts, analysis, software, deliverables and documentations are version controlled in PLM environment. Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.). Support Technology Road‑Mapping & Innovation On‑Orbit & Operations Support Support procedure developments (detumble, orbit‑maintenance, safe‑mode…etc.). Provide real‑time GNC support during launch, early‑orbit checkout, and contingency events. Analyse on‑orbit telemetry, update filter parameters, and generate performance reports. • Support SOOH development and associated operator training. Required Qualifications: B.Sc. in Electrical Engineering, Aerospace or Physics, (M.Sc. preferred), focused on flight dynamics, control theory, or navigation with 10+ of GNC/AOCS experience on LEO/MEO/GEO platforms. Orbital mechanics, attitude dynamics, and control‑law design (classical and modern optimal control). Proficiency with navigation sensors and actuators. Experience implementing real‑time filtering and control algorithms in embedded code Strong understanding of aerospace system engineering fundamentals. • Hands-on individual who can support systems integration processes and capability to test systems and resolve problems. Experience with Confluence and JIRA. • Demonstrated capability to efficiently work with little supervision. • Ability to distill complex problems to fundamentals to solve with analysis, similarity, or creativity. • Demonstrate excellent written and verbal communications skills in English & French work environment.

Location: Costa Mesa, United States WHAT YOU’LL DO • Utilize first principle methods and design tools to develop new aircraft products • Own development of primary and secondary aircraft structural parts and assemblies (metallic and composite) from preliminary design through prototype manufacturing • Perform complex modeling and finite element analysis at the detailed component level, major assembly level, and aircraft level (analysis simulations to include strength, buckling, damage tolerance, and delamination) • Apply design for manufacturing concepts to create solutions that are cost effective and easy to manufacture at rate • Conduct trade studies and perform design and analysis research of complex engineering concepts to determine an optimal solution for weight, performance, manufacturability, cost, and/or schedule • Collaborate in a multidisciplinary environment to solve complex, open-ended problems with an emphasis on schedule and cost objectives • Coordinate work with mechanical systems, systems integration, aerodynamics, manufacturing, project engineering, and other team members • Onsite engineering support at manufacturing and integration sites REQUIRED QUALIFICATIONS • Bachelor's in Aerospace Engineering, Mechanical Engineering, or equivalent experience • 5+ years of experience in aerospace structures design, analysis, or related roles • Proficiency in CAD software and experience with engineering data analysis • Proven expertise in structural modeling and simulation tools (e.g., ANSYS, NASTRAN, or equivalent) • Strong understanding of material properties, stress analysis, fatigue assessment, load paths, design practices, and hand calculations • Strong technical knowledge in core engineering principles, fundamental mechanics of composite materials, design, analysis, testing, and fabrication • Excellent problem-solving and communication skills • Self-driven with a strong sense of autonomy and adaptability in a dynamic environment • Eligible to obtain and maintain an active U.S. Secret security clearance QUALIFICATIONS • Experience with clean sheet aircraft configuration • Siemens NX proficiency • FEMAP proficiency • Experience with fast paced prototype design and manufacture of uncrewed aircraft • Experience with high temperature materials selection • Broad experience across a range of aircraft programs • Hands-on experience with manufacturing • Practical aircraft knowledge (pilots license, A&P, etc.)

Location: Bellevue, United States Role Description We're bringing up new hardware built around USB-C Power Delivery controllers and are looking for an embedded firmware engineer to help take these boards from bare PCB to working, production-quality firmware. You'll write and debug firmware on 32-bit ARM microcontrollers, configure companion ICs over I2C/SPI/UART, and work hands-on at the bench in collaboration with our hardware team. Job Responsibilities - Bring up new PCBs: validate power/clocks, connect a debugger, enable peripherals, and get firmware running on new hardware Develop and debug embedded C firmware on ARM Cortex-M-class MCUs Configure and drive companion ICs over I2C or other peripheral buses Implement and debug USB-C / USB-PD behavior (power negotiation, source/sink roles, fault handling, etc.) Debug at the bench with oscilloscope, protocol/logic analyzer, multimeter, and SWD/JTAG Work from datasheets, register tables, and schematics Document configurations and design decisions Collaborate with hardware engineers to isolate hardware vs. firmware issues Required Skills - Strong embedded C on 32-bit MCUs (ARM Cortex-M or similar): interrupts, register-level peripheral work, development under flash/RAM constraints Working understanding of USB-C/USB-PD (source/sink/DRP roles, power contract negotiation) I2C/SPI/UART peripheral/companion-IC communication, configuration, and debug Hands-on hardware bring-up experience: taking a board from power-on to running firmware, or debugging firmware against real hardware Datasheet and schematic literacy: able to configure a part from its register tables and confirm pin/power connections Comfortable with standard bench debug tools: oscilloscope, logic/protocol analyzer, SWD/JTAG debugger, UART logging Git proficiency Preferred Skills - Experience with a Cypress/Infineon MCU SDK/IDE and its middleware (e.g. ModusToolbox, STM32Cube, or similar), including creating/customizing a board support package Firmware update/bootloader work (DFU or equivalent): building and flashing update images Power-path or regulator firmware: VBUS control, fault detection/recovery (OVP/UVP/OCP), enable/soft-start sequencing USB subsystem experience: hubs, DisplayPort Alt Mode, redrivers/retimers, or billboard devices Nice to have - Prior work with Infineon EZ-PD / PMG1 (or Cypress CCGx) PD controllers and ModusToolbox CI for embedded builds USB-IF PD compliance/USB-C requirements familiarity

Location: United States WHAT YOU’LL DO • Utilize first principle methods and design tools to develop new aircraft products • Own development of primary and secondary aircraft structural parts and assemblies (metallic and composite) from preliminary design through prototype manufacturing • Perform complex modeling and finite element analysis at the detailed component level, major assembly level, and aircraft level (analysis simulations to include strength, buckling, damage tolerance, and delamination) • Apply design for manufacturing concepts to create solutions that are cost effective and easy to manufacture at rate • Conduct trade studies and perform design and analysis research of complex engineering concepts to determine an optimal solution for weight, performance, manufacturability, cost, and/or schedule • Collaborate in a multidisciplinary environment to solve complex, open-ended problems with an emphasis on schedule and cost objectives • Coordinate work with mechanical systems, systems integration, aerodynamics, manufacturing, project engineering, and other team members • Onsite engineering support at manufacturing and integration sites REQUIRED QUALIFICATIONS • Bachelor's in Aerospace Engineering, Mechanical Engineering, or equivalent experience • 5+ years of experience in aerospace structures design, analysis, or related roles • Proficiency in CAD software and experience with engineering data analysis • Proven expertise in structural modeling and simulation tools (e.g., ANSYS, NASTRAN, or equivalent) • Strong understanding of material properties, stress analysis, fatigue assessment, load paths, design practices, and hand calculations • Strong technical knowledge in core engineering principles, fundamental mechanics of composite materials, design, analysis, testing, and fabrication • Excellent problem-solving and communication skills • Self-driven with a strong sense of autonomy and adaptability in a dynamic environment • Eligible to obtain and maintain an active U.S. Secret security clearance QUALIFICATIONS • Experience with clean sheet aircraft configuration • Siemens NX proficiency • FEMAP proficiency • Experience with fast paced prototype design and manufacture of uncrewed aircraft • Experience with high temperature materials selection • Broad experience across a range of aircraft programs • Hands-on experience with manufacturing • Practical aircraft knowledge (pilots license, A&P, etc.)

Location: Costa Mesa, United States; United States What You'Ll Do Full Cycle PCB Design: Translate system-level propulsion requirements into robust designs. Perform schematic capture and high-density PCB layouts (with a strong preference for Altium), component selection, bring-up, test, debug, and integration with the propulsion system. Engine System Electronics: Design and optimize flight controller circuits, power distribution/supplies, motor controller circuits, and electromagnetic actuator circuits. Rigorous Analysis: Conduct circuit simulations, worst-case analysis (WCA), thermal analysis, DFMEA, and component derating to ensure reliability under extreme vibration and temperature environments. Comprehensive Testing: Lead board bring-ups, Design Verification Testing (DVT), qualification (Qual) testing, and functional testing. Collaborative Design: Provide electrical support and collaborate closely with mechanical, thermal, software, test, quality, manufacturing, and systems engineering teams for development. Peer Reviews: Conduct peer-level and cross-discipline design reviews. Root Cause Analysis: Perform root cause and failure analysis in support of engine test and field operations. Required Qualifications Education & Experience: Bachelor’s Degree in Electrical Engineering (BSEE) with 5+ years of experience designing, testing, and troubleshooting complex board designs. Technical Fundamentals: Solid engineering fundamentals across Analog, Digital, and Power Electronics. Software & Tools: Deep proficiency with electronic design tools, specifically Altium Designer (or equivalent for schematic and layout) and LTSpice (or equivalent for circuit simulation). Laboratory Equipment: Competence with laboratory test equipment such as oscilloscopes, logic analyzers, thermal chambers, spectrum analyzers, function generators, DMMs, electronic loads, power supplies, and test automation. Interfaces & Protocols: Familiarity with standard interfaces (CAN, I2C, SPI, Ethernet) and common MCU/CPU architectures. Security Clearance: Eligible to obtain and maintain an active U.S. Secret security clearance. Preferred Qualifications Education: Master’s Degree in Electrical Engineering (MSEE). Advanced Tools: Experience with MATLAB / Simulink for data analysis, control loop modeling, or system simulations.

Location: Costa Mesa, United States What You'Ll Do Full Cycle PCB Design: Translate system-level propulsion requirements into robust designs. Perform schematic capture and high-density PCB layouts (with a strong preference for Altium), component selection, bring-up, test, debug, and integration with the propulsion system. Engine System Electronics: Design and optimize flight controller circuits, power distribution/supplies, motor controller circuits, and electromagnetic actuator circuits. Rigorous Analysis: Conduct circuit simulations, worst-case analysis (WCA), thermal analysis, DFMEA, and component derating to ensure reliability under extreme vibration and temperature environments. Comprehensive Testing: Lead board bring-ups, Design Verification Testing (DVT), qualification (Qual) testing, and functional testing. Collaborative Design: Provide electrical support and collaborate closely with mechanical, thermal, software, test, quality, manufacturing, and systems engineering teams for development. Peer Reviews: Conduct peer-level and cross-discipline design reviews. Root Cause Analysis: Perform root cause and failure analysis in support of engine test and field operations. Required Qualifications Education & Experience: Bachelor’s Degree in Electrical Engineering (BSEE) with 5+ years of experience designing, testing, and troubleshooting complex board designs. Technical Fundamentals: Solid engineering fundamentals across Analog, Digital, and Power Electronics. Software & Tools: Deep proficiency with electronic design tools, specifically Altium Designer (or equivalent for schematic and layout) and LTSpice (or equivalent for circuit simulation). Laboratory Equipment: Competence with laboratory test equipment such as oscilloscopes, logic analyzers, thermal chambers, spectrum analyzers, function generators, DMMs, electronic loads, power supplies, and test automation. Interfaces & Protocols: Familiarity with standard interfaces (CAN, I2C, SPI, Ethernet) and common MCU/CPU architectures. Security Clearance: Eligible to obtain and maintain an active U.S. Secret security clearance. Preferred Qualifications Education: Master’s Degree in Electrical Engineering (MSEE). Advanced Tools: Experience with MATLAB / Simulink for data analysis, control loop modeling, or system simulations.

Location: Canada; United States Role overview: We are seeking a Satellite Bus Flight Software System Engineer to lead or support the system level definition, architecture, integration, verification, and operational readiness of flight software for current and next generation spacecraft platforms for current and next-generation remote sensing & communications satellite programs. As part of the Systems Engineering organization of a leading spacecraft prime manufacturer, the successful candidate will serve as a key technical authority at the intersection of spacecraft architecture, platform subsystems, embedded flight software, avionics, mission operations, and verification and validation. The role is responsible for ensuring that spacecraft bus flight software correctly implements the platform and payload functional, performance, autonomy, safety, reliability, and operational requirements. The engineer will guide the flight software solution throughout the full spacecraft lifecycle, from early concept and architecture definition through detailed design, software development, FlatSat integration, spacecraft level verification, launch preparation, commissioning, and on-orbit support. This is a systems engineering and technical leadership role. The incumbent will not necessarily develop every flight software component directly but must possess sufficient embedded software depth to critically assess architectures, designs, implementation approaches, interfaces, test coverage, and anomaly resolution plans. Tasks summary: Architecture Concept & Requirements • Gather & translate functional, performance, safety and security requirements from mission stakeholders. • Map requirements to software modules, allocate to execution threads. • Collaborate with cyber-security to embed resilience and security by design. • Perform requirement management and maintain bidirectional traceability throughout the program life cycle. Software Architecture, Design & Development • Define FSW architecture (RTOS, Initialization, PUS services, autonomy, HK, fault management, payload interfaces…). • Define FDIR algorithms, isolation logic, recovery actions, safe-mode sequencing, redundancy management. • Perform or guide integration of FDIR logic into FSW. • Produce and maintain Interface Control Documents (ICDs) for payload and platform subsystems and ground-segment interfaces. • Support Satellite Reference Database development and validation and DSS. Cross‑Functional Coordination, Stakeholder & Program Interaction • Communicate technical status, risk assessments and trade‑study results to senior management and/or customers or partners. • Liaise with Payload, Platform subsystems, Ground‑Segment and Mission Operations teams to integrate and resolve integration issues early. • Support B&P (Phase 0 & pre-phase A). Integration & Verification (IVV) • Develop and support Flight Software Verification Plan and integration tests, SIL (with DSS) & HIL, fault‑injection, performance and security testing. • Support or oversee verification & test automation framework deployment, test case definition, results analysis and test‑report certification. Technical Leadership & Mentorship • Mentor junior engineers and interns. • Act as technical liaison with customers, partners and external vendors • Act as Continuous Improvement stakeholder and implement lessons-learned • Contribute to Client’s knowledge‑base, process enhancements, and standards. Configuration, Documentation & Standards Management • Ensure all software artefacts (source code, builds, test scripts, configuration files), documentation and deliverables are version controlled in PLM environment. • Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.). • Support Technology Road‑Mapping & Innovation On‑Orbit & Operations Support • Support procedure developments for Satellite Modes. • Support and analyse on‑orbit telemetry, update filter parameters, and generate SW updates as needed. • Support SOOH development and associated operator training. Required Qualifications: • B.Sc. in Electrical engineering, Aerospace, Computer Science, Embedded Systems with 10 + years of previous fault-tolerant embedded systems on LEO/MEO/GEO missions. • Experience working with CCSDS, ECSS, PUS services. • Experience working with MIL-1553, SpaceWire, RS422/485, CAN, Ethernet. • Experience in real-time cores and/or embedded Linux, Auto-coding. • Strong understanding of aerospace system engineering fundamentals. • Hands-on individual who can support systems integration processes and capability. to test systems and resolve problems. • Experience with Confluence and JIRA. • Demonstrated capability to efficiently work with little supervision. • Ability to distill complex problems to fundamentals to solve with analysis, similarity, or creativity. • Demonstrate excellent written and oral communication skills in English; knowledge of French will be considered an asset (Contact with clients outside Quebec and work on deliverables in English).

Location: Canada; United States Tasks summary: Architecture Concept & Requirements • Translate mission‑level requirements into C&DH functional and non‑functional specifications. • Produce System Requirements, Interface Control (ICDs), and Description documents. • Perform requirement management and maintain bidirectional traceability throughout the project lifecycle. • Collaborate with cyber-security to embed resilience and security by design, ECU. Design & Development • Lead detailed design of on‑board processors, data‑buses (SpaceWire, MIL‑1553, CAN, Ethernet), memory subsystems, and I/O interfaces. • Support software architecture: command sequencing, telemetry packetization, health‑monitoring, services, fault‑detection‑isolation‑recovery (FDIR). • Support Satellite Reference Database development and validation Cross‑Functional Coordination, Stakeholder & Program Interaction • Communicate technical status, risk assessments and trade‑study results to senior management and/or customers or partners. • Work with FSW teams to define RTOS, APIs, task scheduling, real‑time operating system configuration, services usage. • Define uplink command formatting, downlink telemetry packet structures, and ground‑segment data‑handling interfaces (mission‑control servers, data‑archiving pipelines). • Coordinate with the TT&C/PDT engineering and Ground Segment ICDs to ensure end‑to‑end data integrity. • Support B&P (Phase 0 & pre-phase A). Integration & Verification (IVV) • Develop verification plans, test matrices, and validation procedures for unit, subsystem, and spacecraft level C&DH tests. • Execute functional tests, bus‑protocol compliance, SIL and HIL campaigns. • Manage anomaly investigations, root‑cause analysis, and corrective‑action implementation. Technical Leadership & Mentorship • Mentor, guide junior engineers and interns. • Act as technical liaison with customers, partners and external vendors • Act as Continuous Improvement stakeholder Configuration, Documentation & Standards Management • Author and maintain C&DH standards (bus protocols, data‑format conventions, redundancy policies). • Ensure all artefacts, analysis and documentations are version controlled in PLM environment. • Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.). • Support Technology Road‑Mapping & Innovation On‑Orbit & Operations Support • Support launch‑pre‑launch and early‑orbit checkout, validate satellite functions, HK and nominal operation • Support and analyse on‑orbit telemetry, update filter parameters as needed. • Support SOOH development and associated operator trainings Required Qualifications: • B.Sc. in Electrical Engineering, Aerospace or related field with 8+ years of C&DH engineering experience on LEO/MEO/GEO platforms. • Deep knowledge of spacecraft data-bus standards: SpaceWire, MIL-1553, CAN-A, Ethernet, CCSDS packet telemetry/command and PUS services. • Knowledge in processor, FPGA, firmware and embedded • Strong understanding of aerospace system engineering fundamentals, space environment and orbit mechanics. • Hands-on individual who can support systems integration processes and capability to test systems and resolve problems. • Experience with Confluence and JIRA. • Demonstrated capability to efficiently work with little supervision. • Ability to distill complex problems to fundamentals to solve with analysis, similarity, or creativity. • Demonstrate excellent written and oral communication skills in English; knowledge of French will be considered an asset (Contact with clients outside Quebec and work on deliverables in English).

Location: Canada; United States Tasks summary: Architecture Concept & Requirements • Translate mission‑level ΔV, thrust, lifetime, and reliability goals into EP system requirements (performance, power, mass, contamination, EMI). • Produce System Requirements, Interface Control Documents (ICDs), and Description documents for thruster assemblies, Power‑Processing Units (PPU), propellant feed & storage, and control electronics. • Perform requirement management and maintain bidirectional traceability throughout the project lifecycle. Detailed Design • Perform system‑level power, thermal, and mass budget analyses; produce trade‑off matrices (thrust vs. power vs. propellant mass, reliability vs. complexity). • Lead detailed mechanical/electrical design of thruster mounting, heater/thermal control, and PPU (converter, regulator, fault‑protection). • Define propellant handling hardware (tanks, valves, feed‑lines, interconnects) and develop contamination control procedures. • Negotiate ICDs and interface agreements with external thruster vendors and component suppliers. Modeling & Simulation • Support or Develop 1‑D/3‑D plume models and perform reliability prediction. Software & Control • Define command and telemetry interfaces for EP & health‑monitoring telemetry. • Work with FSW teams to develop thrust profile generation, and fault detection isolation recovery (FDIR) algorithms. Cross‑Functional Coordination, Stakeholder & Program Interaction • Communicate technical status, risk assessments and trade‑study results to senior management and/or customers or partners. • Negotiate and manage ICDs with platform subsystems and supplier teams. • Support B&P (Phase 0 & pre-phase A). Integration & Verification (IVV) • Develop verification plans, test matrices, and validation procedures for unit, subsystem, and spacecraft‑level EP tests. • Oversee hardware‑in‑the‑loop (HIL) and thrust‑stand testing, including thrust‑calibration, specific impulse measurement, pulse‑modulation, and lifetime cycling. Technical Leadership & Mentorship • Mentor, guide junior engineers and interns. • Act as technical liaison with customers, partners and external vendors • Act as Continuous Improvement stakeholder Configuration, Documentation & Standards Management • Author and maintain client's EP standards (thruster qualification, PPU design, contamination limits). • Ensure all artefacts, analysis, software, deliverables and documentations are version controlled in PLM environment. • Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.). • Support Technology Road‑Mapping & Innovation. Launch-Site, On-Orbit & Operations Support • Provide real‑time EP support during launch, early‑orbit checkout, and routine station‑keeping. • Support on‑orbit checkout procedures, thruster test campaigns, and contingency recovery plans. • Support SOOH development and associated operator training. Required Qualifications: · B.Sc. in Electrical Engineering, Aerospace, or Physics with 8+ years of electrical propulsion engineering experience on LEO/MEO platforms. · Strong knowledge of EP thruster families and their performance characteristics. · Experience with propellant storage & feed-system design (tanks, valves, micro-valves). · Strong understanding of aerospace system engineering fundamentals, space environment and orbit mechanics. · Hands-on individual who can support systems integration processes and capability to test systems and resolve problems. · Experience with Confluence and JIRA. · Demonstrated capability to efficiently work with little to no supervision · Ability to distill complex problems to fundamentals to solve with analysis, similarity, or creativity. · Demonstrate excellent written and oral communication skills in English; knowledge of French will be considered an asset (Contact with clients outside Quebec and work on deliverables in English). · Support the Spacecraft operations team in critical phases