GNC Engineer, Beam Planning

SpaceX
Hawthorne, CA$125k – $145kPosted 7 April 2026

Tech Stack

Job Description

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. GNC ENGINEER, BEAM PLANNING (STARSHIELD) Starshield leverages SpaceX’s Starlink technology and launch capability to support national security efforts. While Starlink is designed for consumer and commercial use, Starshield is designed for government use, with an initial focus on earth observation, communications, and hosted payloads. As a GNC engineer on this team, you will bring a passion and expertise in areas like state estimation, spacecraft systems design, optimization, and software development to join the Starshield GNC team. Engineers on this team support various payloads through initial conception to on-orbit operation, with a focus on beam planning and algorithm development. You will be driving future hardware design and optimizing current payload performance through modeling and simulation. We are looking for engineers who enjoy solving complex problems, can work effectively in a fast-paced environment, and are passionate about advancing the space industry. RESPONSIBILITIES: Develop highly reliable and performant GNC algorithms, flight software, simulations, tools, and services using C++ or Python Conduct analyses, recommend designs, and write GNC software that balances competing requirements Build software tools and construct scenarios to analyze system performance Write high-quality technical documentation of programs, algorithms, or analysis Develop software models of the operation and performance of various payloads Support your relevant on-call operations rotation, keep ground and vehicle software continuously operating at peak performance BASIC QUALIFICATIONS: Bachelor's degree in aerospace engineering, computer science/software engineering, or an engineering discipline Software development experience in C++ or Python PREFERRED SKILLS AND EXPERIENCE: Master's degree or PhD in physics or an engineering discipline Experience in verifying GNC algorithm performance via simulation and validation of the simulation's models Experience simulating satellite payload performance Demonstrated experience in developing state estimation algorithms or optimization Experience with RF Linux development experience Capable of identifying and solving complex problems with little to no supervision or direction Ability to work in a fast paced, autonomously driven, and demanding start-up atmosphere Excellent communication skills both written and verbal Active TS/SCI clearance or the ability to obtain and maintain one ADDITIONAL REQUIREMENTS: Able to work extended hours and weekends as needed to support critical path development and/or critical on-orbit operations An active clearance may provide the opportunity for you to work on sensitive SpaceX missions; if so, you will be subject to pre-employment drug and random drug and alcohol test COMPENSATION AND BENEFITS: Pay range: GNC Engineer/Level I: $125,000.00 - $145,000.00/per year GNC Engineer/Level II: $145,000.00 - $175,000.00/per year Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience. Those with an active clearance will receive a 10% differential, up to an additional $15,000 annually, once officially briefed into a classified program. Base salary is just one part of your total rewards package at SpaceX. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental cov ... (truncated, view full listing at source)
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