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Guidance, Navigation & Controls Engineer; mid-level or lead- Millennium Space Systems

Job in Laval, Province de Québec, H0A, Canada
Listing for: Boeing
Full Time position
Listed on 2026-07-20
Job specializations:
  • Engineering
    Systems Engineer, Aerospace / Aviation / Avionics, Electrical Engineering
Job Description & How to Apply Below
Position: Guidance, Navigation & Controls Engineer (mid-level or lead)- Millennium Space Systems

Guidance, Navigation & Controls Engineer (mid-level or lead)- Millennium Space Systems

Company:
Millennium Space Systems

Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation.

Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challenge the status quo. And when we watch our satellites launch, we know each one of us made it happen.

The Guidance, Navigation, and Controls (GNC) Engineering Team delivers the GNC subsystem for a program and/or constellation. This includes subsystem/system level analysis to ensure requirements compliance, sensor and actuator selection, and Flight Control Software (FCSW) development and verification. Engineers in the GNC group are integral throughout the entire program lifecycle, providing mission and system design inputs, critical analysis products, software/algorithm development, support to satellite integration and test (I&T), and on-console support for on-orbit operations.

As a Lead/Senior GNC Engineer, you will be the Responsible Engineering Authority (REA) for delivery of the GNC subsystem. You may be the REA for a single program, or oversee a portfolio of programs as the GNC focal. You will be a technical leader, decomposing complex work, interfacing across engineering and manufacturing teams, reporting up the program/functional management chains, and providing guidance and mentorship to others on the team.

Position

Responsibilities
  • Deliver the GNC subsystem (hardware, software, and analysis) for a satellite program
  • Perform GNC subsystem design, analysis, software development, and component selection to meet program requirements
  • Manage the development of GNC products within the constraints of program cost and schedule
  • Report technical execution progress to program and company leadership, and track/mitigate risk
  • Interface with other satellite subsystems as well as systems engineering and program management to ensure system-level performance
  • Technical leadership of a team of GNC engineers in support of a program, including decomposition and delegation of tasks
Security Clearance and Export Control Requirements

This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. A final U.S. Top Secret security clearance is required post start.

Basic Qualifications
  • Bachelor’s degree and 5 or more years’ related work experience or an equivalent combination of technical education and experience
  • 3+ years’ experience with GNC fundamentals
  • 1+ years’ of spacecraft system level experience
  • 1+ years’ experience collaborating with other engineering subsystems and program leadership
  • Ability to obtain a U.S. Security Clearance
Preferred Qualifications
  • Level 4:
    Bachelor’s degree and 9 or more years’ related work experience or an equivalent combination of technical education and experience
  • Satellite I&T and on-orbit operations experience
  • Demonstrated experience decomposing large/complex nebulous tasks into clearly defined subsets of work that can be done personally or delegated to other members of the team.
  • Ability to perform complex GNC system analyses of kinematics, dynamics, and control systems using existing and/or self-developed tools
  • Strong fundamentals of project management, including monitoring cost and schedule performance
  • Ability to set direction of program work and create processes and standards to support the group
  • Advanced understanding of classical and modern control theory, system-level trade studies, architecture development, and systems integration & analysis
  • Experience as a mentor
  • Active TS/SCI clearance
Conflict of Interest

Successful candidates for this job must satisfy the Company’s Conflict of Interest (COI) assessment process.

Drug Free Workplace

Millennium Space Systems, a Boeing Company, is a Drug Free Workplace (DFW) where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and…

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