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Location: San Jose, United States; Richardson, United States Summary Client is seeking a highly motivated and self-driven candidate qualified for the position of Signal Integrity Engineer to help design and build market leading Hardware Platform Solutions. The Signal Integrity Engineer will play a critical role as the subject matter expert in the planning of digital PCB designs, simulation, lab verification, and troubleshooting signal integrity issues on completed designs. They will also be expected to help with design review of critical PCBs for signal integrity concerns. Good communications skills and ability to work with physically dispersed teams is a strong requirement. Knowledge/Skills/Competencies Experience on complex PCBAs (36+ layers) PCB design fundamentals (single ended and differential signals), Signal loss, Impedance control, and  Crosstalk (near end and far end) Experienced with single-ended and differential signaling up to 50Gbps Experienced working with component models (touchstone files) and cascading models to generate complete system models for simulation Simulation of digital interfaces ( FPGA to DRAM, SERDES interfaces) Simulation of analog paths through a combination of PCB, connector, and cable (signal driver to DUT) Proficient with 2D and 3D simulation tools (examples include ADS, ANSYS HFSS, Sigrity) Electrical length calculations for signal matching Familiar with looking at signals in both frequency (S-parameter) and time domain and understanding how to interpret results when it comes to suitability for a particular application. Very familiar with generating and interpreting data-eye diagrams up to 50Gbps: NRZ and PAM4 Proficient with Allegro or similar layout tool and schematics PCB Stack up design and familiar with fabrication limitations and cost trade-offs High Frequency board material experience Significant experience with measuring signal performance in the lab: TDR measurements and VNA measurements Able to develop test fixtures for making measurements (both custom design test boards as well as making “adhoc” probing solutions to troubleshoot existing PCBs) Expert in cost vs performance tradeoffs when designing signal paths as cost is key design constraint Experience with flex circuit design for high speed signaling Typical Experience 5-20+ years' experience with High Speed Signal Delivery Design and Evaluation. This includes both signal integrity within a PCB and off the board (board to board connectors, ribbon cables, coaxial cable, etc.). Detailed Description Define and Develop next generation technologies for Networking, server and storage products. Provides innovative solutions to unusually complex and sensitive problems requiring ingenuity and creativity. Serve as technical consultant and technical leader for their team. Engage with customers and suppliers on and product roadmaps and support. Communicates progress toward projects and program goals. Strong ability to lead, motivate and direct a workgroup. Proficiency in hardware systems environments and detail oriented. Typical Education Bachelor’s degree in Electrical Engineering, Master’s is preferred

Location: Toulouse, France; United States; United Kingdom The company provides full relocation support, including immigration assistance, and offers a relocation bonus upon arrival in Montreal. Selected candidates may work remotely during the initial months while their immigration process is being completed; however, the long-term expectation is for the individual to transition to onsite work in Montreal once relocation has been finalized. Tasks summary: Architecture Concept & Requirements • Gather functional, performance, environmental and security requirements from mission stakeholders & CONOPs. • Map requirements to payload equipment performance with I/F with on-board processor • Coordinate with cybersecurity team for payload‑specific assessments • Perform requirement management and maintain bidirectional traceability throughout the program life cycle. Payload Architecture & Design • Implement the high‑level digital payload architecture (optical ISLs, Phased array antennas, Feeder links & front‑end), master reference oscillator & clock synchronizations. • Produce Interface Control Documents (ICDs) with other subsystems and ground segment. • Implement high‑speed data‑bus I/F (SpaceWire, SpaceFibre, Ethernet, CAN). Simulation & Analysis • Perform performance simulations (Gain, Spurious, Linearity, SNR, dynamic range, spectral efficiency, G/T, EIRP…etc.) and Monte‑Carlo analyses for tolerance budgeting. • Define and maintain Payload DC power budget with traffic & utilization models • Perform FMECA, Fault tree and FDIR, reliability modeling and availability to meet mission objectives Hardware & Firmware • Provide system‑level specifications to hardware designers, review schematics, layouts, thermal interfaces, and mechanical constraints. • Support SW development for MODCODs and on‑board processing pipelines; ensure BIST, timing, latency and deterministic behavior. Cross‑Functional Coordination, Stakeholder & Program Interaction • Communicate technical status, risk assessments and trade‑study results to senior management and/or customers or partners. • Support payload design authority in System design reviews, Power/Structure/Thermal interfaces and Mission Operations assessments. • Liaise with Electrical, Power, Structures, Thermal, Software, Ground‑Segment and Mission‑Operations teams to resolve integration issues early. • Support B&P (Phase 0 & pre-phase A). Integration & Verification (IVV) • Develop Payload Verification Master Plan covering unit‑test, subsystem‑test, payload‑level test, environmental and electromagnetic compatibility (EMC) test campaigns. • Lead test‑automation framework set‑up, test‑case definition, results analysis and test‑report certification. 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 the company’s knowledge‑base, process enhancements, and standards development. Configuration, Documentation & Standards Management • Ensure all artefacts, analysis, software, deliverables and documentation are version controlled in PLM environment. • Lead and Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.). • Support Technology Road‑Mapping & Innovation. On Orbit & Operations Support • Provide technical support to Mission Operations for routine payload health monitoring, contingency handling and performance trending. • Lead root‑cause investigations for on‑orbit anomalies; update design baselines and lessons‑learned. • Analyze 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 with 8 + years of digital regenerative payload system design experience on LEO/MEO missions.  Comprehensive knowledge of digital communications, SDR, DSP, DVB RCS/SX protocols, Modulation schemes, Class of Service, Networking, MPLS, 2G, 5G NTN.  Strong technical-writing ability (requirements, ICDs, test procedures, risk reports) and presentation skills; comfortable interfacing with customers, suppliers and senior leadership.  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: Toulouse, France; United States; United Kingdom The company provides full relocation support, including immigration assistance, and offers a relocation bonus upon arrival in Montreal. Selected candidates may work remotely during the initial months while their immigration process is being completed; however, the long-term expectation is for the individual to transition to onsite work in Montreal once relocation has been finalized. Tasks summary: Architecture Concept & Requirements • Establish functional, performance, environmental and security requirements with mission stakeholders & CONOPs. • Translate requirements into clear payload performance parameters and maintain bidirectional traceability throughout the project lifecycle. • Establish with cybersecurity team payload‑specific requirements & embed resilience and security by design. Payload Architecture Definition • Define the overall digital regenerative payload architecture (optical/RF ISLs, antenna arrays, digitizers/ onboard processing, Feeder links, master reference oscillator & clock synchronizations). • Define Interface Control Documents (ICDs) with spacecraft bus, ground segment and payload specific subsystems. • Define high‑speed data‑bus I/F (Serdes, SpaceWire, SpaceFibre, Ethernet, CAN, fiber). Trade‑Study & Technology Road‑Mapping • Lead trade‑offs for technologies, ASIC/FPGAs/SoCs, high‑speed data‑bus, and on‑board processing algorithms, PVT. • Identify emerging technologies and incorporate them into the company’s long‑term roadmap. System Modeling & Performance Simulation • Build end‑to‑end models of the signal chain (optical/RF, analog/digital) using MATLAB/Simulink, SystemView or Python‑based toolkits. • Run Monte‑Carlo and tolerance analyses to verify gain, SNR, dynamic range, spectral efficiency, G/T, EIRP and other key metrics. • Optimize payload design and performance with operation with traffic models/CONOPs. Simulation & Analysis • Oversee performance simulations & analysis (Gain, Spurious, Linearity, SNR, dynamic range, spectral efficiency, pointing, G/T, EIRP…etc.) and tolerance budgeting. • Optimize Payload DC power budget with traffic & utilization models. Hardware & Firmware • Own system‑level specifications to hardware designers, review schematics, layouts, thermal & mechanical interfaces. • Oversee MODCODs selection and on‑board processing pipelines; define BIST, timing, latency and deterministic behavior. Cross‑Functional Coordination, Stakeholder & Program Interaction • Communicate technical status, risk assessments and trade‑study results to senior management and/or customers or partners. • Act as the primary technical liaison with Electrical, Power, Structures, Thermal, Software, Ground Segment and Mission Operations teams to resolve integration issues early. • Support payload design authority in System design reviews and Mission Operations hand‑over. • Support B&P (Phase 0 & pre-phase A). Integration & Verification (IVV) • Author Payload Verification Master Plan covering unit‑test, subsystem‑test, payload‑level test, environmental and electromagnetic compatibility (EMC) test campaigns. • Define test‑automation framework set‑up, test‑case definition, results analysis and test‑report certification. 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 the company’s knowledge‑base, process enhancements, and standards development. Configuration, Documentation & Standards Management • Ensure all artefacts, analysis, software, deliverables and documentation are version controlled in PLM environment. • Chair design reviews (SRR, PDR, CDR, MRR/TRR…etc.). • Support Technology Road‑Mapping & Innovation. On Orbit & Operations Support • Technical support to Mission Operations for routine payload health monitoring, contingency handling and performance trending. • Lead root‑cause investigations for on‑orbit anomalies; update design baselines and lessons‑learned. • Analyze on‑orbit telemetry, update filter parameters, and generate performance reports. • Define SOOH and associated operator training. Required Qualifications:  B.Sc. in Electrical Engineering, Aerospace or Physics (M.Sc. preferred) with 12 + years of digital regenerative payload system design experience on LEO/MEO missions.  Comprehensive knowledge of digital regenerative communications, SDR, DSP, DVB RCS/SX protocols, Modulation schemes, Class of Service, Networking, MPLS, 2G, 5G, NTN.  Strong technical writing ability (requirements, ICDs, test procedures, risk reports) and presentation skills; comfortable interfacing with customers, suppliers and senior leadership.  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: Toulouse, France; United States; United Kingdom The company provides full relocation support, including immigration assistance, and offers a relocation bonus upon arrival in Montreal. Selected candidates may work remotely during the initial months while their immigration process is being completed; however, the long-term expectation is for the individual to transition to onsite work in Montreal once relocation has been finalized. Tasks summary: Architecture Concept & Requirements • Gather functional, performance, pointing, environmental and security requirements from mission stakeholders & CONOPs. • Capture, trace and map payload requirements from mission level to subsystem level • Coordinate with cybersecurity team for payload‑specific assessments • Perform requirement management and maintain bidirectional traceability throughout the program life cycle. Payload Architecture & Design • Design the SAR system architecture (antenna arrays & RF front-end Tx/Rx components, digital beamforming, processing chain and digital electronics, power, thermal, and mass). • Lead the conceptual, preliminary, and detailed design phases, producing trade studies, performance budgets). • Produce Interface Control Documents (ICDs) with other subsystems and ground segment. • Provide system‑level specifications to hardware designers, review schematics, layouts, thermal interfaces, and mechanical constraints Simulation & Analysis • Perform performance simulations for tolerance budgeting and image quality. • Support algorithm and analytical development to process SAR. • Define and maintain Payload DC power budget with utilization models. • Perform FMECA, Fault tree and FDIR, reliability modeling and availability to meet mission objectives Cross‑Functional Coordination, Stakeholder & Program Interaction • Communicate technical status, risk assessments and trade‑study results to senior management and/or customers or partners. • Support payload design authority in System design reviews, Power/Structure/Thermal interfaces and Mission Operations assessments. • Liaise with Electrical, Power, Structures, Thermal, Software, Ground‑Segment and Mission‑Operations teams to resolve integration issues early. • Support B&P (Phase 0 & pre-phase A). Integration & Verification (IVV) • Develop Payload Verification Master Plan covering unit‑test, subsystem‑test, payload‑level test, environmental and electromagnetic compatibility (EMC) test campaigns. • Lead test‑automation framework set‑up, test‑case definition, results analysis and test‑report certification. 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 the company’s knowledge‑base, process enhancements, and standards development. Configuration, Documentation & Standards Management • Ensure all artefacts, analysis, firmware, deliverables and documentation are version controlled in PLM environment. • Lead and Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.). • Support Technology Road‑Mapping & Innovation. On Orbit & Operations Support • Provide technical support to Mission Operations for routine payload health monitoring, contingency handling and performance trending. • Lead root‑cause investigations for on‑orbit anomalies; update design baselines and lessons‑learned. • Analyze on‑orbit telemetry, update filter parameters, and generate performance reports. • Support SOOH development and associated operator training. Required Qualifications:  B.Sc. in Electrical Engineering, Computer science or Physics with 10 + years of experience supporting SAR remote sensing system development, integration and test on LEO/MEO missions.  Strong technical-writing ability (requirements, ICDs, test procedures, risk reports) and presentation skills; comfortable interfacing with customers, suppliers and senior leadership.  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: Montreal, Canada The company offers full relocation support , including immigration assistance. Tasks: The Junior FDIR-FSW Engineer will perform and participate in the following tasks and activities, depending on the background and experience of the candidate. · Document the fault detection actions of the platform and payload at the system and subsystem levels. · Work with system, subsystem, payload and unit teams to review FMECAs and provide feedback on the detection, isolation, and recovery of failures modes. · Provide input to the Operations team for Operations Procedures, Operations Manuals, and Satellite test procedures to ensure that the Operations documents and FDIR strategy are aligned. · Review ICDs to provide inputs to the satellite DB team for parameters and monitors. · Review payload, platform, and subsystem design and requirements to ensure that the design is compliant with FDIR requirements. · Review Operations Procedures to ensure that they algin with the FDIR strategy. · Review FDIR test artifacts to determine if the tests are successful. · Verification & Validation Matrices for payload and platform FDIR requirements. · Support the operations team as needed for In-Orbit Test (IOT), anomaly resolution + FDIR. · Support the payload team for definition of payload to platform FDIR. · Support the ICD development activities both HW and SW/DB Must haves · Bachelor’s degree in electrical engineering, computer science or in a relevant field · At least 5 years of relevant practical experience – Can be supplemented with higher degrees relevant to Engineering. · Knowledge of LEO/MEO satellite systems. · Knowledge of satellite systems and subsystems. Complementary skills/knowledge · Previous experience in Constellation FDIR · Creation of Fault Trees and FMECAs · Working knowledge of PUS services · Experience and/or development of payloads · Knowledge of MS Excel, for the purposes of engineering analyses · Strong written and verbal communications skills in English, knowledge of French will be considered favorably

Location: Montreal, Canada The company offers full relocation support , including immigration assistance. Tasks: The Senior FDIR-FSW Engineer will perform and participate in the following tasks and activities, depending on the background and experience of the candidate. · Define the fault detection actions of the platform at the system and subsystem levels. · Define and document how the platform will interfact with the payload for satellite level FDIR. · Work with the operations team to define the contingency scenarios involving FDIR. · Work with customers to use their input for FDIR strategy to refine MDA’s FDIR strategy ensuing that the strategies are compatible. · Work with the FSW team to determine the FDIR test plan on the FlatSat and DSS. · Work with the AI&T team to determine what FDIR needs to be tested at the spacecraft level. · Work with system, subsystems, payload, and units teams to review FMECAs and provide feedback on the detection, isolation, and recovery of failures modes. · Provide input to the Operations team for Operations Procedures, Operations Manuals, and Satellite test procedures to ensure that the Operations documents and FDIR strategy are aligned. · Review ICDs to provide inputs to the satellite DB team for parameters and monitors. · Review payload, platform, and subsystem design; including block diagrams, ICDs, ConOps, and requirement to ensure that the design is compliant with FDIR requirements. · Review Operations Procedures to ensure that they algin with the FDIR strategy. · Review FDIR test artifacts to determine if the tests are successful and if they are not, work with the team to troubleshoot how to resolve non compliances. · Verification & Validation Matrices for platform and payload FDIR requirements. · Support the payload team in their definition of payload FDIR and how it impacts the satellite level FDIR. · Support the operations team as needed for In-Orbit Test (IOT), anomaly resolution + FDIR. · Support the ICD development activities both HW and SW/DB Must haves · Bachelor’s degree in electrical engineering, computer science or in a relevant field · At least 10 years of relevant practical experience – Can be supplemented with higher degrees relevant to Engineering. · Previous experience with LEO/MEO satellite systems. · Strong cross-functional team collaboration. · Experience with analysis of satellite systems and subsystems. · Familiarity and/or experience with FMECAs and/or Fault Tree Analysis. · An understanding of how failures can propagate through a system. · Ability to decompose system level failures down to the unit level and back up from the unit to the system level. · Knowledge of satellite FSW and how monitors work for FDIR. · Knowledge of how to test HW and SW for FDIR. Complementary skills/knowledge · Previous experience in Constellation FDIR · Creation of Fault Trees and FMECAs · Experience with reliability analysis · Working knowledge of PUS services · Experience with mentoring junior engineers · Experience with FDIR on embedded systems · Experience with payload FDIR. · Knowledge of MS Excel, for the purposes of engineering analyses · Knowledge of requirements Management tools such as DOORS/Windchill/Jama · Demonstrated capability to efficiently work with little to no supervision · Strong written and verbal communications skills in English, knowledge of French will be considered favorably

Location: Costa Mesa, United States WHAT YOU'LL DO Conduct EMI/EMC testing and analysis on electronic systems and components. Drive product maturity through rapid prototyping, design verification, and qualification activities. Develop and implement design strategies to mitigate EMI/EMC issues. Prepare test plans, reports, and documentation for compliance verification. Collaborate with product design teams to ensure EMC requirements are integrated during the design phase. Identify program EMI/EMC risks and define strategies for reducing risk through the definition of modeling, simulation, or experimental activities. Stay updated on relevant standards (e.g., MIL-STD-461G, MIL-STD-464D, DOD-160, FCC, CISPR, IEC) and regulatory requirements. Conduct field tests and assessments to evaluate product performance in real-world environments. Work in a fast-paced environment, having to juggle multiple concurrent projects and customers. REQUIRED QUALIFICATIONS Bachelor’s degree in Electrical Engineering, Electronics, or a related field. 7+ years of experience in EMI/EMC design and testing. Familiarity with EMC/EMI standards and regulations (e.g., MIL-STD-461G, MIL-STD-464D, RTCA DOD-160, FCC, IEC, CISPR, SAE). Proven expertise in E3 design, analysis, testing and mitigation strategies. Specialized in HERO, HEMP, Lightning Protection, ESD, RF exposure limits and operational electromagnetic compatibility. Proficiency in using EMI/EMC testing equipment (e.g., spectrum analyzers, oscilloscopes, antennas, LISN etc.) Experience with simulation tools (e.g., ANSYS, CST Microwave Studio) for EMI analysis. Strong analytical and troubleshooting skills for identifying and resolving EMI/EMC issues. Excellent verbal and written communication skills for reporting findings and collaborating with teams. Ability to manage multiple projects and meet deadlines in a fast-paced environment. Full understanding of PCB Layout techniques to meet mechanical, electrical, EMI/EMC, and manufacturing requirements. Ability to read and interpret schematics and apply best practices appropriate for each design. Familiarity with standard interfaces such as MIPI, DP, I2C, SPI, PCIe, USB, etc. Must be able to obtain and maintain a DoD Secret Clearance

Location: Montreal, Canada The company provides full relocation support, including immigration assistance, and offers a relocation bonus upon arrival in Montreal. Selected candidates may work remotely during the initial months while their immigration process is being completed; however, the long-term expectation is for the individual to transition to onsite work in Montreal once relocation has been finalized. Tasks summary: Architecture Concept & Requirements • Establish functional, performance, environmental and security requirements with mission stakeholders & CONOPs. • Translate requirements into clear payload performance parameters and maintain bidirectional traceability throughout the project lifecycle. • Establish with cybersecurity team payload‑specific requirements & embed resilience and security by design. Payload Architecture Definition • Define the overall digital regenerative payload architecture (optical/RF ISLs, antenna arrays, digitizers/ onboard processing, Feeder links, master reference oscillator & clock synchronizations). • Define Interface Control Documents (ICDs) with spacecraft bus, ground segment and payload specific subsystems. • Define high‑speed data‑bus I/F (Serdes, SpaceWire, SpaceFibre, Ethernet, CAN, fiber). Trade‑Study & Technology Road‑Mapping • Lead trade‑offs for technologies, ASIC/FPGAs/SoCs, high‑speed data‑bus, and on‑board processing algorithms, PVT. • Identify emerging technologies and incorporate them into the company’s long‑term roadmap. System Modeling & Performance Simulation • Build end‑to‑end models of the signal chain (optical/RF, analog/digital) using MATLAB/Simulink, SystemView or Python‑based toolkits. • Run Monte‑Carlo and tolerance analyses to verify gain, SNR, dynamic range, spectral efficiency, G/T, EIRP and other key metrics. • Optimize payload design and performance with operation with traffic models/CONOPs. Simulation & Analysis • Oversee performance simulations & analysis (Gain, Spurious, Linearity, SNR, dynamic range, spectral efficiency, pointing, G/T, EIRP…etc.) and tolerance budgeting. • Optimize Payload DC power budget with traffic & utilization models. Hardware & Firmware • Own system‑level specifications to hardware designers, review schematics, layouts, thermal & mechanical interfaces. • Oversee MODCODs selection and on‑board processing pipelines; define BIST, timing, latency and deterministic behavior. Cross‑Functional Coordination, Stakeholder & Program Interaction • Communicate technical status, risk assessments and trade‑study results to senior management and/or customers or partners. • Act as the primary technical liaison with Electrical, Power, Structures, Thermal, Software, Ground Segment and Mission Operations teams to resolve integration issues early. • Support payload design authority in System design reviews and Mission Operations hand‑over. • Support B&P (Phase 0 & pre-phase A). Integration & Verification (IVV) • Author Payload Verification Master Plan covering unit‑test, subsystem‑test, payload‑level test, environmental and electromagnetic compatibility (EMC) test campaigns. • Define test‑automation framework set‑up, test‑case definition, results analysis and test‑report certification. 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 the company’s knowledge‑base, process enhancements, and standards development. Configuration, Documentation & Standards Management • Ensure all artefacts, analysis, software, deliverables and documentation are version controlled in PLM environment. • Chair design reviews (SRR, PDR, CDR, MRR/TRR…etc.). • Support Technology Road‑Mapping & Innovation. On Orbit & Operations Support • Technical support to Mission Operations for routine payload health monitoring, contingency handling and performance trending. • Lead root‑cause investigations for on‑orbit anomalies; update design baselines and lessons‑learned. • Analyze on‑orbit telemetry, update filter parameters, and generate performance reports. • Define SOOH and associated operator training. Required Qualifications:  B.Sc. in Electrical Engineering, Aerospace or Physics (M.Sc. preferred) with 12 + years of digital regenerative payload system design experience on LEO/MEO missions.  Comprehensive knowledge of digital regenerative communications, SDR, DSP, DVB RCS/SX protocols, Modulation schemes, Class of Service, Networking, MPLS, 2G, 5G, NTN.  Strong technical writing ability (requirements, ICDs, test procedures, risk reports) and presentation skills; comfortable interfacing with customers, suppliers and senior leadership.  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: Montreal, Canada The company provides full relocation support, including immigration assistance, and offers a relocation bonus upon arrival in Montreal. Selected candidates may work remotely during the initial months while their immigration process is being completed; however, the long-term expectation is for the individual to transition to onsite work in Montreal once relocation has been finalized. Tasks summary: Architecture Concept & Requirements • Gather functional, performance, environmental and security requirements from mission stakeholders & CONOPs. • Map requirements to payload equipment performance with I/F with on-board processor • Coordinate with cybersecurity team for payload‑specific assessments • Perform requirement management and maintain bidirectional traceability throughout the program life cycle. Payload Architecture & Design • Implement the high‑level digital payload architecture (optical ISLs, Phased array antennas, Feeder links & front‑end), master reference oscillator & clock synchronizations. • Produce Interface Control Documents (ICDs) with other subsystems and ground segment. • Implement high‑speed data‑bus I/F (SpaceWire, SpaceFibre, Ethernet, CAN). Simulation & Analysis • Perform performance simulations (Gain, Spurious, Linearity, SNR, dynamic range, spectral efficiency, G/T, EIRP…etc.) and Monte‑Carlo analyses for tolerance budgeting. • Define and maintain Payload DC power budget with traffic & utilization models • Perform FMECA, Fault tree and FDIR, reliability modeling and availability to meet mission objectives Hardware & Firmware • Provide system‑level specifications to hardware designers, review schematics, layouts, thermal interfaces, and mechanical constraints. • Support SW development for MODCODs and on‑board processing pipelines; ensure BIST, timing, latency and deterministic behavior. Cross‑Functional Coordination, Stakeholder & Program Interaction • Communicate technical status, risk assessments and trade‑study results to senior management and/or customers or partners. • Support payload design authority in System design reviews, Power/Structure/Thermal interfaces and Mission Operations assessments. • Liaise with Electrical, Power, Structures, Thermal, Software, Ground‑Segment and Mission‑Operations teams to resolve integration issues early. • Support B&P (Phase 0 & pre-phase A). Integration & Verification (IVV) • Develop Payload Verification Master Plan covering unit‑test, subsystem‑test, payload‑level test, environmental and electromagnetic compatibility (EMC) test campaigns. • Lead test‑automation framework set‑up, test‑case definition, results analysis and test‑report certification. 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 the company’s knowledge‑base, process enhancements, and standards development. Configuration, Documentation & Standards Management • Ensure all artefacts, analysis, software, deliverables and documentation are version controlled in PLM environment. • Lead and Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.). • Support Technology Road‑Mapping & Innovation. On Orbit & Operations Support • Provide technical support to Mission Operations for routine payload health monitoring, contingency handling and performance trending. • Lead root‑cause investigations for on‑orbit anomalies; update design baselines and lessons‑learned. • Analyze 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 with 8 + years of digital regenerative payload system design experience on LEO/MEO missions.  Comprehensive knowledge of digital communications, SDR, DSP, DVB RCS/SX protocols, Modulation schemes, Class of Service, Networking, MPLS, 2G, 5G NTN.  Strong technical-writing ability (requirements, ICDs, test procedures, risk reports) and presentation skills; comfortable interfacing with customers, suppliers and senior leadership.  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: Montreal, Canada The company provides full relocation support, including immigration assistance, and offers a relocation bonus upon arrival in Montreal. Selected candidates may work remotely during the initial months while their immigration process is being completed; however, the long-term expectation is for the individual to transition to onsite work in Montreal once relocation has been finalized. Tasks summary: Architecture Concept & Requirements • Gather functional, performance, pointing, environmental and security requirements from mission stakeholders & CONOPs. • Capture, trace and map payload requirements from mission level to subsystem level • Coordinate with cybersecurity team for payload‑specific assessments • Perform requirement management and maintain bidirectional traceability throughout the program life cycle. Payload Architecture & Design • Design the SAR system architecture (antenna arrays & RF front-end Tx/Rx components, digital beamforming, processing chain and digital electronics, power, thermal, and mass). • Lead the conceptual, preliminary, and detailed design phases, producing trade studies, performance budgets). • Produce Interface Control Documents (ICDs) with other subsystems and ground segment. • Provide system‑level specifications to hardware designers, review schematics, layouts, thermal interfaces, and mechanical constraints Simulation & Analysis • Perform performance simulations for tolerance budgeting and image quality. • Support algorithm and analytical development to process SAR. • Define and maintain Payload DC power budget with utilization models. • Perform FMECA, Fault tree and FDIR, reliability modeling and availability to meet mission objectives Cross‑Functional Coordination, Stakeholder & Program Interaction • Communicate technical status, risk assessments and trade‑study results to senior management and/or customers or partners. • Support payload design authority in System design reviews, Power/Structure/Thermal interfaces and Mission Operations assessments. • Liaise with Electrical, Power, Structures, Thermal, Software, Ground‑Segment and Mission‑Operations teams to resolve integration issues early. • Support B&P (Phase 0 & pre-phase A). Integration & Verification (IVV) • Develop Payload Verification Master Plan covering unit‑test, subsystem‑test, payload‑level test, environmental and electromagnetic compatibility (EMC) test campaigns. • Lead test‑automation framework set‑up, test‑case definition, results analysis and test‑report certification. 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 the company’s knowledge‑base, process enhancements, and standards development. Configuration, Documentation & Standards Management • Ensure all artefacts, analysis, firmware, deliverables and documentation are version controlled in PLM environment. • Lead and Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.). • Support Technology Road‑Mapping & Innovation. On Orbit & Operations Support • Provide technical support to Mission Operations for routine payload health monitoring, contingency handling and performance trending. • Lead root‑cause investigations for on‑orbit anomalies; update design baselines and lessons‑learned. • Analyze on‑orbit telemetry, update filter parameters, and generate performance reports. • Support SOOH development and associated operator training. Required Qualifications:  B.Sc. in Electrical Engineering, Computer science or Physics with 10 + years of experience supporting SAR remote sensing system development, integration and test on LEO/MEO missions.  Strong technical-writing ability (requirements, ICDs, test procedures, risk reports) and presentation skills; comfortable interfacing with customers, suppliers and senior leadership.  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: Montreal, Canada Senior Electrical Satellite Systems Engineer Join a pioneering team shaping the future of LEO commercial satellite missions. From concept to orbit, we design and operate spacecraft that advance connectivity, Earth observation, and in-space infrastructure. As a Senior Electrical Satellite Systems Engineer, you’ll drive mission success by leading the design, integration, and verification of satellite electrical systems, while mentoring junior engineers and collaborating with operators, customers, and launch partners. Key Responsibilities System Design : Lead electrical subsystem design through flight, build, and test phases; define and manage power, data, and reliability budgets. Requirements Management : Develop and maintain system requirements, verification, and test matrices from mission to subsystem levels. Technical Analysis : Conduct power budgets, failure mode, and reliability analyses to ensure system performance. Interface Control : Oversee interface control documents (ICDs) for seamless subsystem integration. Testing & Verification : Design and execute test plans for qualification, LEOP, and environmental testing (TVAC, EMC/EMI). Documentation : Maintain design reports, specifications, and verification matrices. Leadership : Mentor junior engineers and collaborate with software, mechanical, and ground segment teams. Supplier Management : Manage subcontractors and vendors to meet program requirements. Program Support : Contribute to major reviews (SRR, PDR, CDR, TRR, PSR, LRR). Required Skills and Experience Education Bachelor’s or Master’s in Electrical Engineering, Systems Engineering, Aerospace Engineering, or related field. Experience 15+ years in LEO satellite systems design with full lifecycle experience. Technical Expertise Systems Architecture : Define spacecraft electrical architecture for optimal payload-bus integration; manage avionics, power, AOCS, propulsion, TT&C, thermal, and data handling interfaces. Requirements & Traceability : Own requirement flow-down, traceability, and gap analyses to meet mission objectives. Verification & Validation : Lead electrical performance validation, fault management (FDIR), and system integration testing. Operations Support : Interface with launch providers, support LEOP, in-orbit testing, and SOCC activities (telemetry, anomaly resolution). Leadership : Engage stakeholders, lead design reviews, and ensure compliance with ECSS, PUS-STD, and internal standards. Tools & Soft Skills Proficiency in flight engineering software, Agile methods, and modeling tools (e.g., MATLAB). Strong communication with technical and non-technical stakeholders. Proven problem-solving in dynamic, high-stakes environments. Why Join Us Drive commercial space missions redefining global connectivity and exploration. Lead cutting-edge systems engineering, balancing innovation and reliability. Thrive in a high-accountability, collaborative culture with competitive compensation and global launch exposure.

Location: Redmond, United States Job Description: We are seeking a talented Software Development Engineer with a passion for building robust backend systems. This role focuses on designing and developing scalable software solutions, primarily using Java. We’re looking for someone who excels at writing production-ready code to help drive our technology forward. Responsibilities: Design and develop high-quality backend software systems, primarily using Java. Build and maintain scalable, efficient, and reliable applications from the ground up. Collaborate with product teams to implement new features and functionalities. Write and optimize SQL queries for data management and retrieval. Leverage infrastructure as code (IaC) to support deployment of software solutions. Debug and enhance existing codebases with a focus on development. Participate in code reviews to ensure maintainability and performance. Required Skills and Qualifications: Proven experience as a Software Development Engineer, with a strong emphasis on backend development. Deep expertise in Java for building software systems. Strong understanding of software architecture and backend system design. Hands-on experience with SQL and relational databases. Familiarity with cloud environments and infrastructure as code (IaC) to support development efforts. Ability to solve complex problems through code development. Bachelor’s degree in Computer Science or equivalent experience (CS degree preferred but not mandatory). Preferred Qualifications: Previous experience at a tech-driven company (e.g., Amazon or similar) as a developer. Proficiency in Python as a secondary skill (not required, but a plus). Track record of delivering production-grade backend systems. Comfort with full-stack problem-solving, though the focus remains on backend.

Location: Houston, United States Role: As part of the System Engineering Department, the Senior Mission and Operations Satellite System Engineer will participate, and coordinate the work needed for the analysis, planning and definition of the constellation operations ConOps, and the preparations, testing and execution of the operations procedures. Tasks: The Satellite Flight-Operations engineer will perform and participate in the following tasks and activities, depending on the background and experience of the candidate. Trade-off studies to design, develop and simulate the overall Satellite LEOP plan. Development of Spacecraft In-Orbit Operations Procedures and oversight of their execution and associated trainings. Development of Satellite Operation Manuals, test procedures and oversight of their execution and associated trainings. Verification & Validation Matrices of the operations procedures for on-orbit commissioning, routine, and contingency operations of the mission. Support In-Orbit Test (IOT), anomaly resolution + FDIR. Support the ICD development activities both HW and SW/DB Support the Operations DevOps environment and tool-chain integration. Support the ConOps Mission Design, Trade Space Analysis, Modeling and Automation Support the Satellite Simulator Operation and script development. Requirements: Bachelor’s degree in engineering in a relevant field At least 10 years of relevant practical experience Previous mission design and analyses experience with LEO/MEO satellite systems. Experience with automated satellite operations, especially design. Systems Engineering experience in concepts of space and ground segment design, specification and integration, knowledge of Flight Software role in operations, Satellite Database Operations concept and telemetry structure concepts. Experience creating or using models and/or simulation software. Knowledge of Python or other scripting languages Knowledge of Matlab Knowledge of AG1's Systems Tool Kit (STK) Complementary skills/knowledge: Previous experience in Constellation Operations Development and testing of new automated operations Knowledge of MS Excel, for the purposes of engineering analyses Knowledge of requirements Management tools such as DOORS/Windchill/Jama Demonstrated capability to efficiently work with little to no supervision Strong written and verbal communications skills in English, knowledge of French will be considered favorably

Location: Houston, United States Role: As part of the System Engineering Department, the Flight Operations System Engineer will participate, and coordinate the work needed for the analysis, planning and definition of the constellation operations ConOps, and the preparations, testing and execution of the operations procedures. Tasks: The Satellite Flight-Operations engineer will perform and participate in the following tasks and activities, depending on the background and experience of the candidate. Trade-off studies to design, develop and simulate the overall Satellite LEOP plan. Development of Spacecraft In-Orbit Operations Procedures and oversight of their execution and associated trainings. Development of Satellite Operation Manuals, test procedures and oversight of their execution and associated trainings. Verification & Validation Matrices of the operations procedures for on-orbit commissioning, routine, and contingency operations of the mission. Support In-Orbit Test (IOT), anomaly resolution + FDIR. Support the Satellite Simulator Operation and script development. Requirements: Bachelor’s degree in engineering in a relevant field At least 10 years of relevant practical experience Previous experience with LEO/MEO satellite systems. Experience with automated satellite operations, especially design and IOT. Systems Engineering experience in concepts of space and ground segment design, specification and integration, knowledge of Flight Software role in operations, Satellite Database Operations concept and telemetry structure concepts. Experience creating or using models and/or simulation software. Knowledge of Python or other scripting languages Knowledge of Matlab Knowledge of AG1's Systems Tool Kit (STK) Complementary skills/knowledge: Previous experience in Constellation Operations Development and testing of new automated operations Knowledge of MS Excel, for the purposes of engineering analyses Knowledge of requirements Management tools such as DOORS/Windchill/Jama

Location: Houston, United States Role: As a member of the Systems Engineering Department, the Platform RF/EMC Systems Engineer will provide technical expertise necessary to ensure electromagnetic compatibility (EMC) of the Platform system given the radio frequency (RF) environments of the communications payloads. Tasks: Depending on the job function, the Platform RF/EMC Systems Engineer will perform and participate in the following tasks and activities depending on the background and experience of the candidate: Perform EMC analyses and interpret unit-level EMC test reports Review communication Payload RF transmitter/receiver analyses & test results and recommend any necessary design enhancements to ensure electromagnetic compatibility with the Platform subsystems Prepare system-level EMC test plans and conduct satellite-level EMC testing Support Platform design activities related to grounding & shielding and wiring harness signal segregation & routing Troubleshoot EMC-related issues on integrated satellite and Platform Engineering Model (FlatSat) test setups Support RF/EMC aspects of systems engineering documentation including requirements specifications, statement of compliance, verification matrix and design descriptions Support various program reviews: EQSR, SRR, PDR and CDR Requirements: Bachelor’s degree in electrical or aerospace engineering 5+ years of relevant experience Strong RF and/or EMC engineering background Substantial experience with large scale system-level EMC testing Experience with unit-level EMC testing per international standards (or equivalent) methods & testing levels Systems engineering background including experience with RF, digital & analog electronic unit designs and wiring harnesses Complementary skills/knowledge: Understanding of the space environment and communication satellites Demonstrated capability to efficiently work with little to no supervision Ability to lead and/or mentor junior members of the engineering team Strong written and verbal communications skills in English, knowledge of French will be considered favorably

Location: Houston, United States Role: As a member of the Systems Engineering Department, the Platform Electrical Systems Engineer will provide technical expertise related to power & data interfaces, power analyses & budgets, failure analysis and functional testing for newly designed Platform telecommunication satellite. Tasks: Depending on the job function, the Platform Electrical Systems Engineer will perform and participate in the following tasks and activities depending on the background and experience of the candidate: Manage electrical interface control documentation for power, analog, digital & RF connections between Platform and Payload units & subsystems Support electrical analyses, budgets & design details related to power generation, storage & distribution Perform failure modes & effects analyses and support failure detection, isolation & recovery activities Support Platform test activities including preparation and/or review of test plans, procedures & reports Prepare total dose & single event effects ionizing radiation analyses Write systems engineering documentation including requirements specifications, statement of compliance, verification matrix and design descriptions Support satellite development activities: concept of operations and communication Payload integration on Platform Support various program reviews: EQSR, SRR, PDR and CDR Requirements: Bachelor’s degree or equivalent in electrical engineering 5+ years of relevant experience Experience with system-level electrical power generation, storage and distribution Strong electrical systems engineering background including experience with electronic unit designs, wiring harnesses, data bus protocol standards and system-level testing Complementary skills/knowledge: Understanding of the space environment, communication satellites, radio frequency (RF) equipment and the various solar cell & battery technologies Ability to lead and/or mentor junior members of the engineering team Demonstrated capability to efficiently work with little to no supervision Strong written and verbal communications skills in English, knowledge of French will be considered favorably