Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Principal Spacecraft GNC Engineer

Apex Space

Principal Guidance Navigation And Control (GNC) Engineer

The Principal Guidance Navigation and Control (GNC) Engineer is responsible for leading GNC development for Apex's growing fleet of spacecraft platforms. You will demonstrate a firm grasp of spacecraft GNC concepts and applications. You will work with all facets of the engineering life cycle: spacecraft concept and algorithm development, flight software implementation, subsystem requirements development, detailed GNC design, subsystem integration & test (I&T), and vehicle I&T. You will be responsible for planning and maintaining the development schedule to support the Space Systems Control Software organization in executing leading edge programs and products. You will work closely with related teams, including Systems, Avionics, Flight Software, Mission Operations, and Ground Software. You will also directly interact with customers to ensure mission success.

Responsibilities:

  • Lead architect responsible for GNC design, modeling, and analysis for a wide variety of spacecraft and space missions to include LEO, MEO, GEO, and RPOD
  • Design of flight software, algorithms, and simulation product
  • Development of spacecraft autonomy tools for constellation management
  • GNC component selection and GNC subsystem design
  • Test process development and execution
  • Define fault detection and response
  • Hardware-in-the-loop and Monte Carlo simulation
  • Integration of flight and simulation software with modern analysis, test, and operations tools
  • Support internal and external design reviews
  • Work with department leads and program managers to plan and maintain team schedule and milestones and report technical status

Requirements:

  • Bachelor's or Master's degree in Aerospace Engineering, Electrical Engineering, or a related field, advanced degrees preferred
  • 15+ years of industry experience in GNC/ADCS
  • 5+ years of industry experience developing/operating spacecraft/satellites
  • Prior experience leading a team of three or more direct reports
  • Prior experience directly interfacing with aerospace customers in the commercial or government sectors
  • Experience in Jira planning and workflow
  • Hands-on experience with IMU, reaction wheels, star trackers, gyroscopes, and other GNC hardware
  • Experience developing blended attitude solutions from a variety of sensor data
  • Demonstrated experience developing, implementing, and verifying flight software
  • Demonstrated experience with spacecraft on-orbit operations and anomaly resolution
  • Prior experience leading a team across a project lifecycle
  • Prior experience working multiple projects simultaneously and determining priorities for a team
  • Experience with GNC-related Business Development or conceptual design work
What We Offer For Full-time Employees:
  • Shared upside: Receive equity in Apex, letting you benefit from the work you create

  • Best-in-class healthcare: 100% company-paid medical, dental, and vision for you and your dependents, plus $100k life insurance at no cost

  • Comprehensive PTO package: To reset and recharge - starting at 15 days vacation, growing to 20+ days annually, plus 10 paid holidays

  • Competitive 401(k) plan: With generous matching - 100% match on first 3%, 50% on next 2%

  • 8 weeks paid parental leave: Plus childcare reimbursement up to $350/day for work-related travel

  • Daily catered lunch and unlimited snacks: To keep you fueled throughout the day

  • Vibrant community: Monthly office socials, pickleball tournaments, run club, and gatherings for you and your family

  • Your dream desk setup: And all the tools you need to be your most productive self

  • World-class Playa Vista office: With the benefit of in-person collaboration with amazing coworkers and flexibility to integrate work and life

  • Real impact opportunity: Work alongside experts from aerospace, new space, and other cutting-edge industries to make a lasting difference

Ready to join a team where your contributions matter and your future is bright? Let's build something extraordinary together.

Equal Opportunity Employer

Apex Technology, Inc. is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Candidates and employees are always evaluated based on merit, qualifications, and performance. We will never discriminate on the basis of race, color, gender, national origin, ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status.

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Principal Spacecraft GNC Engineer in Los Angeles, CA vacancy
  •  ...Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the...  ...About the Role We are seeking a seasoned Senior Spacecraft GNC Engineer to work on a closely integrated team who will drive the... 
    Suggested
    Full time
    Work at office

    Apex

    Los Angeles, CA
    5 days ago
  • $148.5k - $199k

     ...tech company, this is your chance. We're looking for builders, problem-solvers, and system thinkers. As a Spacecraft Communication Systems Engineer , you will own the design, configuration, and operation of the satellite's space-to-ground communication links.... 
    Principal
    Permanent employment
    Full time
    Contract work
    Work experience placement
    Local area

    CesiumAstro

    El Segundo, CA
    2 days ago
  • $190k - $260k

     ...believe this new era demands a fundamentally different class of spacecraft. Engineered to survive the harshest radiation environments and to...  ...startup, we'd love for you to apply. The Role As a Principal GNC engineer, you will be a core driver of the overall spacecraft... 
    Principal
    Permanent employment
    Flexible hours
    Shift work

    K2 Space

    Los Angeles, CA
    3 days ago
  • $135k - $190k

     ...Guidance, Navigation and Control (GNC) Engineer El Segundo, California A New Paradigm For Space Operations. Who We Are: Space...  ...Engineering along with 5+ years of GNC experience. Prior Spacecraft and Satellite Development and Operations experience. Experience... 
    Principal
    Permanent employment
    Work at office

    Space Kinetic Corp.

    El Segundo, CA
    2 days ago
  • $110k - $164k

     ...in-the-loop foundation model to automate spacecraft design and production worldwide. Our...  ...builders, fast learners, and ambitious engineers. Whether your passion lies in spacecraft...  ...resolution. Collaborate across disciplines (GNC, power, software, mission design) to... 
    Suggested
    Worldwide
    Weekend work

    Oligo Space

    Hawthorne, CA
    2 days ago
  • Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more...  ...highly technical Mechanisms & Actuators Engineer to support the development of spacecraft...  ...work across mechanical, avionics, controls, GNC, and production teams to develop reliable... 
    Full time
    Work at office

    Apex

    Los Angeles, CA
    2 days ago
  • $100k - $120k

     ...Oligo Spacecraft Engineering Intern Oligo is building a manufacturing-in-the-loop foundation model to automate spacecraft design and production...  .... Work alongside engineers from multiple disciplines (GNC, power, software, mission design) to ensure spacecraft components... 
    Internship
    Worldwide

    Oligo Space

    Hawthorne, CA
    2 days ago
  • $169k - $217k

     ...Senior Spacecraft Ground Systems Software Engineer El Segundo, California, United States About Varda Low Earth orbit is open for business. Varda...  ...automated tests - enabling fast, safe iteration for avionics, GNC, and operations teams. Build the Mission Platform:... 
    Permanent employment

    Varda Space Industries

    El Segundo, CA
    23 hours ago
  • $156.8k - $219.52k

     ...Special Mentions: As a Harness Design Engineer Sr., you will help lead Bundle...  ...subsystem areas (e.g., EPS/power distribution, GNC/navigation, and/or payload interfaces)...  ...routing and clearance verification using spacecraft CAD models Define harness segregation... 
    Permanent employment
    Temporary work
    Local area
    Worldwide

    Blue Origin

    Los Angeles, CA
    2 days ago
  • $120k - $164k

     ...Generative Spacecraft Engineer - Electrical Oligo is building a manufacturing-in-the-loop foundation model to automate spacecraft design and...  ...testing. Work side-by-side with software, mechanical, GNC, and systems teams to create tightly integrated, reliable... 
    Worldwide
    Weekend work

    Oligo Space

    Hawthorne, CA
    2 days ago
  • $110k - $164k

     ...in-the-loop foundation model to automate spacecraft design and production worldwide. Our...  ...builders, fast learners, and ambitious engineers. Whether your passion lies in spacecraft...  ...troubleshooting. Collaborate across disciplines (GNC, power, software, mission design) to... 
    Internship
    Worldwide
    Weekend work

    Oligo Space

    Hawthorne, CA
    2 days ago
  • $165k - $195k

     ...Mechanical Design Engineer Apex is seeking a skilled Mechanical Design Engineer to join our satellite engineering team. In this role, you will be responsible for developing mechanical designs and models for satellite structures, subsystems, and components. You will... 
    Full time
    Work at office

    Apex Space

    Los Angeles, CA
    2 days ago
  • $100k - $120k

     ...Spacecraft Engineer Intern (Mechanical) As a Spacecraft Engineer Intern (Mechanical), you'll own deliverables for our spacecraft design and test. You'll bridge mechanical and electrical disciplines, drive systems-level decisions, and physically build what you design... 
    Internship
    Shift work
    Weekend work

    Oligo Space

    Hawthorne, CA
    2 days ago
  • $140k - $200k

     ...Senior Spacecraft Thermal Engineer Hawthorne, CA Who We're Looking For Quantum Space is redefining mobility and autonomy in cislunar and geostationary space. Our Ranger spacecraft deliver high delta-V and on-orbit maneuverability that enable customers to access... 
    Permanent employment

    Quantum Space

    Hawthorne, CA
    2 days ago
  •  ...Senior Spacecraft Thermal Engineer We are seeking a highly-motivated and hands-on Senior Spacecraft Thermal Engineer to join our growing team. In this role, you'll design and develop thermal control systems for telescope platforms and spacecraft. You'll work with a... 
    Work at office
    Local area
    Remote work
    Flexible hours
    3 days per week

    Observable

    Los Angeles, CA
    5 days ago
  • $151.3k - $226.9k

     ...Senior Spacecraft Thermal Engineer The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC... 
    Full time
    For contractors
    Work at office
    Immediate start
    Remote work
    Relocation package
    Flexible hours

    The Aerospace Corporation

    El Segundo, CA
    4 days ago
  •  ...Integration & Test Responsible Engineer Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the... 
    Full time
    Work at office

    Apex Space

    Los Angeles, CA
    2 days ago
  • $102k - $150k

     ...Spacecraft Thermal Engineer (Mid-Career) - Millennium Space Systems Company: Millennium Space Systems Job Description Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national... 
    Permanent employment
    Interim role
    Currently hiring
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work

    Boeing

    El Segundo, CA
    2 days ago
  • $120k - $150k

     ...Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost...  ...About the Role We are seeking a seasoned spacecraft RF engineer to work on a closely integrated team who will drive the design... 
    Full time
    Work at office

    Apex

    Los Angeles, CA
    2 days ago
  • $100.3k - $175.9k

     ...Comprised primarily of highly trained mechanical and aerospace engineers, VSD provides national expertise in the areas of vehicle...  ...can execute efficiently toward mission success. As a Spacecraft Propulsion Engineer ( Senior MTS/Engineering Specialist - Propulsion... 
    Full time
    For contractors
    Immediate start
    Remote work
    Relocation package
    Flexible hours

    The Aerospace Corporation

    El Segundo, CA
    5 days ago
  • $185k

     ...Principal Space Command and Control Systems Engineer Job Locations US-CA-El Segundo ID 2026-7626 Category Engineering Type Full Time Biweekly Hours 80 Location : Name LA AFB Min USD $185,000.0... 
    Principal
    Full time
    Contract work
    Temporary work
    Work experience placement
    Live out
    Flexible hours

    Odyssey Systems

    El Segundo, CA
    4 days ago
  • $175k - $200k

     ...an era of mass constraint to one of mass abundance, and we believe this new era demands a fundamentally different class of spacecraft. Engineered to survive the harshest radiation environments and to fully capitalize on today's and tomorrow's massive rockets, K2 satellites... 
    Principal
    Permanent employment
    Shift work

    K2 Space

    Los Angeles, CA
    2 days ago
  •  ...Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost...  ...seeking a talented and experienced Spacecraft Manufacturing Engineer to join our dynamic team. In this role, you will play a crucial... 
    Full time
    Work at office

    Apex

    Los Angeles, CA
    1 day ago
  •  ...Senior Director, Principal Gifts About the Company Philanthropic organization supporting Indigenous culture & individuals Industry Non-Profit Organization Management Type Non Profit Founded 2017 Employees 11-50 Categories ~ Non-Profit & Philanthropy... 
    Principal

    Confidential

    Los Angeles, CA
    1 day ago
  • $180k - $240k

     ...believe this new era demands a fundamentally different class of spacecraft. Engineered to survive the harshest radiation environments and to fully...  ...computing, power system, instrumentation, RF components, GNC sensors, and harnessing on the satellite bus Collaborate... 
    Principal
    Permanent employment
    Shift work

    K2 Space

    Los Angeles, CA
    13 days ago
  • $175k - $200k

     ...an era of mass constraint to one of mass abundance, and we believe this new era demands a fundamentally different class of spacecraft. Engineered to survive the harshest radiation environments and to fully capitalize on today's and tomorrow's massive rockets, K2 satellites... 
    Principal
    Permanent employment
    Shift work

    K2 Space

    Los Angeles, CA
    2 days ago
  • $146k - $260k

     ...challenge the status quo. And when we watch our satellites launch, we know each one of us made it happen. As an Senior Spacecraft Systems Engineer, you will be responsible for owning the technical execution for programs and leading teams developing spacecraft systems... 
    Permanent employment
    Work experience placement
    Interim role
    Currently hiring
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work
    Day shift

    The Boeing Company

    El Segundo, CA
    2 days ago
  • $117.3k - $226.9k

     ...Avionics Systems Engineer The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems...  ...staff responsible for other aspects of launch systems (such as GNC, Propulsion, Structures and Systems Engineering, etc.) Support... 
    Full time
    For contractors
    Work at office
    Immediate start
    Remote work
    Relocation package
    Flexible hours

    The Aerospace Corporation

    El Segundo, CA
    4 days ago
  • $185k - $200k

     ...an era of mass constraint to one of mass abundance, and we believe this new era demands a fundamentally different class of spacecraft. Engineered to survive the harshest radiation environments and to fully capitalize on today's and tomorrow's massive rockets, K2 satellites... 
    Principal
    Permanent employment
    Shift work

    K2 Space

    Los Angeles, CA
    2 days ago
  • $146.7k - $179.3k

     ...Senior Electrical Engineer Hermeus is a high-speed aircraft manufacturer focused on the rapid design, build, and test of high-Mach and...  ...team is responsible for the design, testing, and integration of GNC systems, electrical hardware, control software, power distribution... 
    Weekly pay
    Permanent employment
    Work at office

    Hermeus

    Los Angeles, CA
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Principal Spacecraft GNC Engineer. Be the first to apply!