Senior Systems Engineer - Satellite Software

Role Overview
MDA is seeking an experienced systems engineer to define, harmonize, and govern the software architecture for all embedded software of a satellite mission.The incumbent acts as the cross-functional technical lead for software architecture at the system level. They oversee the consistency and integration of software architectures across the satellite's various components, including:Flight Software (FSW)Data Handling and DSSSRDBGNC-FSWPayload SoftwareFirmware and embedded software of electronic unitsAIT and validation software when requiredInterfaces with ground and operations segmentsThey support programs from preliminary design phases through integration, environmental testing, satellite delivery, and in-orbit commissioning support.Summary of Duties
Software System Architecture
Define and maintain the overall satellite software architecture.Establish guiding principles, standards, design rules, and software best practices applicable across the program.Ensure consistency between software architectures of various satellite and payload subsystems.Define software partitioning strategies, functional allocation, and responsibility management between software, firmware, and hardware.Evaluate technical tradeoffs, risks, and architectural impacts associated with design decisions.Participate in defining operational concepts, satellite modes, and FDIR architectures.Software Technical Governance
Conduct software architecture reviews with all development teams.Verify solution compliance with company standards, program requirements, and applicable space standards (ECSS, CCSDS, NASA, etc.).Ensure standardization of software approaches among various suppliers, subcontractors, and internal teams.Identify architectural gaps, technical risks, and technological debt.Define and track program-level software development roadmaps.Ground Segment, Operations, and Mission Interfaces
Define and maintain the software architecture between the space segment and the ground segment.Support the definition of interfaces and communication protocols with the ground segment.Collaborate with mission operations teams to define operational concepts and satellite operating modes.Ensure needs related to operations and in-orbit maintenance are properly accounted for in the software architecture.Support LEOP, commissioning, and in-orbit operations activities.Participate in defining software update strategies, patch loading, and in-orbit configuration management.Cross-Functional Coordination
Act as the software focal point within the satellite systems engineering team.Support the resolution of multidisciplinary technical issues impacting multiple subsystems.Requirements and Interface Management
Define system requirements related to software.Ensure traceability of software requirements across program levels.Supervise ICDs and software interface definitions between platform, payload, and ground segment elements.Ensure proposed architectures satisfy functional, performance, and cybersecurity requirements.Integration, Verification, and Validation
Participate in defining software verification and validation strategies.Support software, system, and satellite integration campaigns.Participate in anomaly reviews and the resolution of complex issues observed during testing.Ensure consistency of development, simulation, DSS, FlatSat, and testbench environments.Support AIT activities until satellite delivery.Technical Leadership
Act as a technical reference for software development teams.Provide mentorship and guidance to software and systems engineers.Contribute to the continuous improvement of MDA's software standards and processes.Support the development of software strategy for future missions.Required Qualifications
Bachelor's or Master's degree in software engineering, computer science, electrical, aerospace engineering, or a related field with over 10 years of experience in developing complex embedded software systems.Significant experience in LEO and MEO satellite systems.Knowledge of CCSDS and ECSS standards, as well as space software engineering practices.Solid understanding of real-time embedded architectures.Experience with Confluence and JIRA.Ability to work autonomously with minimal supervision.Ability to break down complex problems into basic elements to solve them through analysis, analogy, or creativity.Excellent written and verbal communication skills in French and English (contact with clients outside Quebec and drafting deliverables in English).
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