Senior Spacecraft GNC & Mission Design Engineer

Gengalactic; El Segundo, Northern (CA, KY); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical, Vision, Dental

PTO

401k

Stock options

Startup atmosphere

Job summary

General Galactic Technologies Corporation is hiring a Senior GNC + Mission Design Engineer in California to own GNC solutions and mission design assessments for our spacecraft and mission suite, including ADCS, maneuver planning, and conops.

You will work with founders and a focused technical team across ADCS, mission design, and flight algorithm integration, driving credibility in mission architectures and performance estimates for customer concepts.

Qualifications

• BS in aerospace engineering, controls engineering, or a related technical field.
• 4+ years of experience in GNC, mission design, flight dynamics, astrodynamics, controls, etc.
• Experience with Python, MATLAB, Simulink, STK/ODTK/GMAT, FreeFlyer, Basilisk, Monte Carlo frameworks, or similar environments.
• Experience in a fast-paced startup environment or similar. High agency, strong ownership, and willingness to work hands-on across disciplines.
• First-principles approach to problem solving even with incomplete or partial information.
• Strong fundamentals in orbital mechanics, dynamics, state estimation, controls, propulsion-enabled maneuvering, and mission analysis.

Responsibilities

• Build practical analytical tools, simulations, spreadsheets, and Python/MATLAB models to evaluate mission feasibility, requirements, timelines, etc
• Own GNC analyses, algorithms, simulations, and operating modes for General Galactic spacecraft and missions
• Support business development by rapidly assessing customer mission concepts, producing credible mission architectures, evaluating technical feasibility, and generating proposal-ready performance estimates
• Collaborate with flight software engineers to integrate GNC algorithms
• Conduct Monte Carlo analysis and robustness analysis for mission plans and GNC algorithms
• Review flight data, test data, and simulation results to identify anomalies, validate models, and improve vehicle and mission performance
• Own attitude determination and control (ADCS) development and make vs buy trades
• Own mission/trajectory design and maneuver planning, including ΔV budgeting and mission conops

Skills

GNC

Mission design

Flight dynamics

Astrodynamics

Controls

State estimation

Propulsion maneuvering

Mission analysis

Education

BS in aerospace engineering or related field

Tools

Python

MATLAB

Simulink

STK/ODTK/GMAT

FreeFlyer

Basilisk

Monte Carlo frameworks

Job description

General Galactic Technologies Corporation is hiring a Senior GNC + Mission Design Engineer in California to own GNC solutions and mission design assessments for our spacecraft and mission suite, including ADCS, maneuver planning, and conops.

You will work with founders and a focused technical team across ADCS, mission design, and flight algorithm integration, driving credibility in mission architectures and performance estimates for customer concepts.