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Spacecraft Gnc Engineer Jobs (NOW HIRING)

Impulse Space

Senior GNC Engineer

Redondo Beach, CA · On-site

$145K - $175K/yr

Senior GNC Engineer Department: Autonomous Systems Employment Type: Full Time Location: Redondo ... Develop robust algorithms for spacecraft: satellites in LEO and GEO, large upper stages, and ...

Aetherflux

GNC Engineer

San Carlos, CA · On-site

$150K - $200K/yr

As a GNC Engineer at Cowboy Space, you will design and implement the algorithms that control how our spacecraft orient, navigate, and maneuver in orbit. Your work will directly impact pointing ...

Vast

Senior GNC Engineer

Long Beach, CA · On-site

$109K - $150K/yr

Vast is seeking a Senior GNC Engineer to own guidance, navigation, and control for a new constellation-ready spacecraft bus - a product line designed to scale to hundreds of spacecraft per year. The ...

Cowboy Space Corp.

GNC Engineer

Seattle, WA · On-site

$150 - $200/hr

GNC Engineer Cowboy Space Corp. is building the infrastructure to power and connect the orbital ... Build high-fidelity simulations to model spacecraft dynamics, sensors, and actuators * Develop ...

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Spacecraft Gnc Engineer information

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$42K

$108.6K

$165K

How much do spacecraft gnc engineer jobs pay per year?

As of Sep 7, 2026, the average yearly pay for spacecraft gnc engineer in the United States is $108,638.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,500.00 and $132,500.00 per year, depending on experience, location, and employer.

What does a spacecraft GNC engineer do?

A Spacecraft GNC (Guidance, Navigation, and Control) Engineer is responsible for designing and developing the systems that control a spacecraft’s trajectory, orientation, and stability during its mission. This includes creating algorithms and hardware to ensure the spacecraft can accurately follow its planned path, avoid obstacles, and maintain its intended orientation in space. GNC Engineers work closely with other engineering teams to integrate sensors, actuators, and software for optimal spacecraft performance. Their work is critical for mission success, from launch through to landing or orbit insertion.

What are the key skills and qualifications needed to thrive as a spacecraft GNC engineer?

To thrive as a Spacecraft GNC Engineer, you need a solid background in aerospace engineering, control theory, and dynamics, typically with a relevant engineering degree. Proficiency in software tools such as MATLAB/Simulink, C/C++, and familiarity with simulation environments and flight software is essential, along with knowledge of industry standards. Strong analytical thinking, problem-solving, and effective teamwork are crucial soft skills for this role. These skills ensure the development of reliable guidance, navigation, and control systems that are vital for spacecraft safety and mission success.

What are some common challenges spacecraft GNC engineers face when integrating guidance, navigation, and control systems with other spacecraft subsystems?

Spacecraft GNC Engineers often encounter challenges when ensuring seamless integration between GNC systems and other subsystems like propulsion, power, and communication. These challenges include managing interface requirements, minimizing signal interference, and ensuring real-time data synchronization across various hardware and software components. Successful integration requires strong cross-disciplinary collaboration, effective communication with subsystem teams, and meticulous system-level testing to identify and resolve incompatibilities before launch.
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Spacecraft Gnc Engineer jobs near you
Infographic showing various Spacecraft Gnc Engineer job openings in the United States as of August 2026, with employment types broken down into 93% Full Time, 3% Part Time, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $108,638 per year, or $52.2 per hour.

Spacecraft GNC Integration & Test Engineer

Quantum Space

Rockville, MD • On-site

Full-time

Medical, Dental, Vision, Retirement

Re-posted 10 days ago

Job description

Who We're Looking For
Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly.
We are seeking a Spacecraft GNC Integration & Test Engineer to lead integration, verification, validation, and hardware testing of the Guidance, Navigation & Control subsystem. In this role, you will own GNC hardware integration, anomaly resolution, and subsystem verification from component integration through flight acceptance. The ideal candidate thrives in a fast-paced environment and enjoys working where simulation meets flight hardware.
Where You'll Make an Impact
  • Own integration, verification, validation, and flight acceptance of the spacecraft Guidance, Navigation & Control (GNC) subsystem from engineering development through spacecraft delivery.
  • Develop, document, execute, and automate GNC verification procedures supporting subsystem, system, qualification, acceptance, and environmental testing.
  • Plan and execute GNC hardware characterization and calibration activities, including inertial sensor characterization (Allan variance, bias instability, and angular random walk), sensor alignment, timing synchronization and phasing, and spacecraft magnetic characterization campaigns.
  • Develop and operate Hardware-in-the-Loop (HITL), Software-in-the-Loop (SIL), FlatSat, and closed-loop simulation environments to verify flight software and spacecraft behavior.
  • Integrate and validate spacecraft sensors, actuators, avionics, propulsion, and flight software while troubleshooting hardware, software, and system-level anomalies.
  • Correlate high-fidelity simulation results with hardware test data to validate GNC algorithms, dynamic models, estimation performance, and control system behavior.
  • Perform Monte Carlo analyses and mission-level performance assessments to verify spacecraft operating modes, robustness, and requirements compliance across expected uncertainties and disturbances.
  • Analyze spacecraft telemetry and test data to identify root cause, recommend corrective actions, and improve GNC subsystem performance throughout integration, environmental test, and flight operations.
  • Develop verification evidence supporting requirements closure and participate in technical reviews.
  • Collaborate closely with systems, flight software, avionics, propulsion, mission design, and mission operations teams to deliver a fully verified and flight-ready spacecraft.

What It Takes
  • B.S. or M.S. in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Robotics, or related field.
  • 3-8+ years of experience in spacecraft or high-reliability GNC development.
  • Strong foundation in rigid-body dynamics, and classical/modern control theory.
  • Experience with sensor fusion for spacecraft-relevant sensors (IMUs, star trackers, sun sensors, GNSS, ranging sensors).
  • Experience developing, documenting, executing, and following formal test procedures and verification plans
  • Hands-on experience testing attitude control system hardware and ability to troubleshoot issues encountered during integration and test activities
  • Strong analytical and problem-solving skills with the ability to interpret technical data and recommend corrective actions
  • Experience collaborating within multidisciplinary engineering teams, with strong verbal and written communication skills to effectively communicate technical issues and risks.
  • Proficiency with engineering analysis and simulation tools such as C++, MATLAB/Simulink, Python.
  • Experience conducting Monte Carlo analyses to verify spacecraft operating modes, mission performance, and system robustness under varying conditions and uncertainties.
  • Ability to operate in a fast-paced, hardware-integrated environment with shifting priorities.

Nice-to-Have Experience
  • Hands-on experience with testbeds, HITL environments, or closed-loop simulation frameworks.
  • Experience supporting spacecraft integration, verification, validation, and environmental testing
  • Experience with requirements verification and validation using systems engineering processes.
  • Knowledge of aerospace industry standards and best practices for spacecraft testing and verification.
  • Experience with RPO, proximity operations, autonomous maneuver planning, or high-ΔV vehicle dynamics.
  • Familiarity with MAX FSW and MAX GDS or other modern COTS flight software environments.
  • Experience with EKF variants, covariance analysis, or nonlinear control approaches.
  • Background with thruster-based ACS, high-agility control architectures, or propulsion-coupled dynamics.
  • Experience analyzing 6DOF models incorporating propellant slosh and flexible-body dynamics.
  • Experience with fault management logic, safing modes, and on-orbit anomaly investigation.
  • Prior experience working in fast-paced startups or NewSpace organizations.

What You'll Get
  • Ownership - Build and validate the GNC capability that defines how our spacecraft maneuver, point, and operate autonomously.
  • Innovation - Shape next-generation GNC architectures, algorithms, and tools for high-agility missions.
  • Impact - Directly influence spacecraft controllability, autonomy, and mission success across cislunar and GEO operations.
  • Growth - Collaborate across avionics, FSW, systems, and mission ops, with opportunities to expand into dynamics modeling, autonomy, or flight operations.
  • Compensation - Competitive salary, equity, and comprehensive benefits including medical, dental, vision, generous leave, HSA, 401(k) matching, and equity participation.

Location: Rockville, MD
Base Salary: $130,000 - $180,000
The salary range for this role is determined based on a variety of factors including work experience, education, technical expertise, certifications, critical skills, and business considerations. Highly competitive equity grants are included in the majority of full-time offers and are considered part of Quantum Space's total compensation package.
Additional Requirements
To comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual under 8 U.S.C. §1324b(a)(3), or otherwise eligible to obtain the required authorizations from the U.S. Department of State.
Apply now. Join us in building the next generation of spacecraft.

Apply