Senior/Principal GN&C Engineer for Spacecraft Autonomy

The Boeing Company; Seal Beach (CA); On-site; USD 183,000 - 298,000; Full time

Job summary

The Boeing Company’s Defense, Space & Security ESG in Seal Beach/El Segundo, CA, seeks Senior or Principal Guidance Navigation & Control Engineers to prototype, develop, and field space capabilities. You will design GN&C algorithms, build high-fidelity simulations, implement flight software, and support flight test in space environments while leading project teams.

This role demands deep expertise, cross‑functional collaboration, a security clearance, and a proven track record of delivering

Qualifications

• Bachelor of Science degree in Engineering, Engineering Technology, Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement
• Active Tier 5 (T5) Clearance, formerly known as Single Scope Background Investigation (SSBI) is required
• Level 5: 14+ years of related work experience or an equivalent combination of education and experience
• Engineering experience with spacecraft
• Experience using MATLAB and Simulink
• Experience developing GN&C algorithms, models and simulations.

Responsibilities

• Design, implement, and verify guidance, navigation, and control algorithms for spacecraft
• Develop and maintain 6‑DOF dynamics simulations and associated analysis tools for mission and performance assessment
• Implement and validate GN&C flight software (MATLAB/Simulink models and C/C++ prototypes) and integrate with testbeds and avionics
• Apply astrodynamics and flight mechanics to mission design, novel orbit concepts, and trajectory optimization
• Develop powered and unpowered guidance laws and autonomy tools for on‑orbit operations
• Support troubleshooting of operational anomalies, functional tests, and service incidents
• Produce concepts of operations, simulation artifacts, and test procedures to enable rapid iteration from prototype to flight test
• Collaborate with cross‑functional teams (systems engineering, avionics, test, and business development) and communicate technical tradeoffs to stakeholders
• Independently identify inefficiencies, propose solutions, and implement reusable tools and automations
• Lead engineering project teams, mentor engineers and advance job practices and techniques as it relates to GN&C

Skills

GN&C leadership

Mentoring

Problem solving

Communication

Education

Bachelor's Degree in Engineering or related field

Tools

MATLAB/Simulink

C/C++

Job description

The Boeing Company’s Defense, Space & Security ESG in Seal Beach/El Segundo, CA, seeks Senior or Principal Guidance Navigation & Control Engineers to prototype, develop, and field space capabilities. You will design GN&C algorithms, build high-fidelity simulations, implement flight software, and support flight test in space environments while leading project teams.

This role demands deep expertise, cross‑functional collaboration, a security clearance, and a proven track record of delivering