GNC Integration & Test Engineer — Spacecraft

Quantum Space; Rockville (MD); On-site; USD 110,000 - 170,000; Full time

Benefits offered by this job

Equity

Medical, dental, vision

Generous leave

401(k) matching

Job summary

Quantum Space in Rockville, MD is seeking a Spacecraft GNC Integration & Test Engineer to lead integration, verification, validation, and hardware testing of the Guidance, Navigation & Control subsystem. You will own GNC hardware integration, anomaly resolution, and subsystem verification from component level through flight acceptance.

The ideal candidate thrives in a fast-paced, hardware-integrated environment and has 3–8+ years in high-reliability GNC development, with expertise in C++,

Qualifications

• BS/MS in a related engineering 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 sensors (IMUs, star trackers, sun sensors, GNSS).
• Hands-on experience testing attitude control system hardware and ability to troubleshoot issues during integration and test activities.
• Proficiency with C++, MATLAB/Simulink, Python.
• Ability to operate in a fast-paced hardware-integrated environment with shifting priorities.

Responsibilities

• Own integration, verification, validation, and flight acceptance of the GNC subsystem from engineering development through spacecraft delivery.
• Develop, document, execute, and automate GNC verification procedures for subsystem, system, qualification, acceptance, and environmental testing.
• Plan and execute GNC hardware characterization and calibration activities including inertial sensor characterization, alignment, timing, and magnetic characterization campaigns.
• Develop and operate HITL, SIL, FlatSat, and closed-loop simulations to verify flight software and spacecraft behavior.
• Integrate and validate spacecraft sensors, actuators, avionics, propulsion, and flight software while troubleshooting issues.
• Correlate high-fidelity simulation results with hardware test data to validate GNC algorithms and control systems.

Skills

GNC integration

HITL/SIL

Sensor fusion

MATLAB/Simulink

C++

Python

Problem solving

Team collaboration

Education

BS/MS in Aerospace/Mechanical/Electrical Engineering

Tools

HITL environments

FlatSat

GNC testing hardware

Job description

Quantum Space in Rockville, MD is seeking a Spacecraft GNC Integration & Test Engineer to lead integration, verification, validation, and hardware testing of the Guidance, Navigation & Control subsystem. You will own GNC hardware integration, anomaly resolution, and subsystem verification from component level through flight acceptance.

The ideal candidate thrives in a fast-paced, hardware-integrated environment and has 3–8+ years in high-reliability GNC development, with expertise in C++,