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Skills
Aerospace Engineeringunmatched
Aerospace and Defenseunmatched
Algorithmsunmatched
Artificial Intelligence (AI)unmatched
Clean Technologiesunmatched
Control Systemsunmatched
Cross-Functionalunmatched
Customer Support/Serviceunmatched
Data Analysisunmatched
Embedded Softwareunmatched
Embedded Systemsunmatched
GPS (Global Positioning System)unmatched
Hardware Simulationunmatched
High Reliabilityunmatched
Identify Issuesunmatched
Information Technology & Information Systemsunmatched
Kalman Filterunmatched
Legalunmatched
MATLABunmatched
Mechanical Engineeringunmatched
Medical Equipmentunmatched
Performance Managementunmatched
Propulsionunmatched
Python Programming/Scripting Languageunmatched
Simulationunmatched
Software Engineeringunmatched
System Architectureunmatched
System Integration (SI)unmatched
System Validationunmatched
United States Citizenunmatched
Validation Testingunmatched
Description
Position Title: Senior GNC Engineer
Position Description: Protingent Staffing has an exciting direct-hire Senior GNC Engineer opportunity.
Job Responsibilities:
Design and develop guidance, navigation, and control algorithms for spacecraft attitude and orbit control
Build high-fidelity simulations to model spacecraft dynamics, sensors, and actuators
Develop state estimation algorithms (e.g., Kalman filters) for navigation and attitude determination
Design control laws for pointing, stabilization, and orbital maneuvers
Collaborate with propulsion and hardware teams to integrate actuators and sensors into control systems
Work with software engineers to implement GNC algorithms into flight software
Validate system performance through simulation, hardware-in-the-loop testing, and real-world data
Support integration, launch preparation, and on-orbit operations
Analyze flight data, troubleshoot anomalies, and improve system performance over time
Contribute to system architecture decisions across vehicle and mission design
Job Qualifications:
Bachelor’s degree in Aerospace Engineering, Mechanical Engineering, or related field
5+ years of experience in GNC, controls, or related fields
Strong fundamentals in dynamics, control theory, and estimation
Experience with simulation tools (e.g., MATLAB/Simulink, Python, or similar)
Experience implementing or testing control systems in real-world or simulated environments
Ability to work in fast-paced, multidisciplinary engineering teams
Preferred Job Qualifications:
Advanced degree in Aerospace Engineering or related field
Experience with spacecraft GNC systems or orbital mechanics
Familiarity with sensors such as star trackers, IMUs, and GPS
Experience with propulsion-integrated control systems
Experience with hardware-in-the-loop (HIL) testing and validation
Background in high-reliability or mission-critical systems
Experience contributing to flight software or embedded systems
Job Details:
Job Type: Direct Hire
Salary Range: $150,000 – $200,000
Location: Seattle, WA (Onsite)
ITAR obligations are associated with this role, U.S. citizenship, U.S. legal permanent resident status, or protected person status under 8 U.S.C. § 1324b(a) (1), (3) is required.
About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. We’re passionate about making a positive impact by connecting exceptional talent with meaningful opportunities and helping our clients build the future.