Guidance, Navigation & Control (GNC) Engineer

Posted Yesterday
Be an Early Applicant
Redmond, WA, USA
In-Office
120K-195K Annually
Senior level
Aerospace • Artificial Intelligence
The Role
Own and develop ADCS/GNC algorithms, simulations, and tools for an in-orbit data center constellation. Implement and maintain production code, perform constellation design/optimization, orbit transfers, collision avoidance, and constellation-level analysis. Support system integration, on-call operations, commanding, data analysis, and cross-functional collaboration.
Summary Generated by Built In

Company Overview:

Starcloud is building a network of data centers in space, starting at kilowatts and scaling to gigawatt capacity. Falling launch costs allow us to take advantage of the abundant energy, radiative cooling techniques, and ability to rapidly scale in space. Join our team, push the boundaries of the space economy, and be part of this pioneering effort to redefine the future of energy.



Position Overview:

As a GNC (Guidance, Navigation, and Control) Engineer at Starcloud, you will own the ADCS of our in-orbit data centers. You will be instrumental in developing algorithms, simulations, and tools, demanding an innovative and highly skilled individual with a strong foundation in orbital mechanics, control theory, state estimation, and software development. You will be responsible for selecting ADCS architectures, creating and maintaining production code, performing detailed performance analysis, and supporting on-call operations to ensure our satellite network operates at peak efficiency.

Key Responsibilities:
  • Algorithm and Software Development:
    • Develop and implement high-reliability and high-performance GNC algorithms, simulations, tools, and dashboards
    • Participate in architecture, design, and code reviews to ensure high-quality software solutions.
    • Conduct comprehensive data analysis to review performance metrics from various elements of the satellite constellation and network.
    • Produce detailed technical documentation for programs, algorithms, and analytical methods.
  • System Integration and Support:
    • Support on-call operations rotation, commanding satellites, and reviewing network data to maintain optimal network performance.
    • Collaborate with cross-functional teams to enhance GNC system performance and ensure seamless integration.
  • Optimization and Analysis:
    • Perform constellation design and optimization, fleet management, satellite orbit transfer automation, and collision avoidance.
    • Conduct constellation-level and network-level analysis of both existing and proposed satellite systems.
Basic Qualifications:
  • Bachelor’s degree in Computer Science, Aerospace Engineering, Physics, or a related engineering discipline.
  • Experience in developing, debugging, and deploying software for spacecraft GNC
  • Deep understanding of orbital mechanics, including low thrust trajectory optimization and stationkeeping.
Preferred Qualifications:
  • Master’s degree or PhD in an engineering discipline or Physics
  • Proven experience in verifying GNC algorithm performance through simulation and validating simulation models.
  • Expertise in state estimation, particularly in attitude determination, orbit determination, GNSS, and radio navigation.
  • Familiarity with numerical probability of collision methods such as Alfano, Foster, and Hall.
  • Comprehensive knowledge of spacecraft flight disciplines, including structures, propulsion, avionics, GNC, flight software, dynamics, launch and mission operations, and integration.
  • Exceptional problem-solving abilities, analytical skills, and engineering fundamentals.
  • Ability to work independently in a fast-paced, startup environment.
  • Strong written and verbal communication skills.
Compensation and Benefits:

Annual salary: 

L1: $120,000 - $155,000

L2: $145,000 - $195,000

Starcloud offers a competitive salary and benefits package, including:

  • Stock options, discretionary bonuses, and other long-term incentives.
  • Comprehensive medical, vision, and dental coverage.
  • 401(k) retirement plan with company match.
  • Short and long-term disability insurance, life insurance, and paid parental leave.
  • Generous paid vacation, holidays, and sick leave.


Additional Requirements:
  • Willingness to work extended hours and weekends as necessary to support critical project milestones.
  • Must be a U.S. citizen, lawful permanent resident, or eligible for authorization under U.S. export regulations.
Equal Opportunity Employer:

Starcloud is committed to fostering an inclusive and meritocratic workplace. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other legally protected status. Applicants requiring reasonable accommodation to the application/interview process should notify our Human Resources Department.

Join Starcloud and shape the future!

Embrace the challenge, push technological boundaries, and contribute to solving the global energy challenge. Apply today to join our visionary team dedicated to innovation and advancing humanity.

We receive many applications, and so we apologize that we may not be able to respond to every applicant.


Skills Required

  • Bachelor's degree in Computer Science, Aerospace Engineering, Physics, or related engineering discipline
  • Experience developing, debugging, and deploying software for spacecraft GNC
  • Deep understanding of orbital mechanics, including low thrust trajectory optimization and stationkeeping
  • Willingness to work extended hours and weekends as necessary to support critical project milestones
  • Must be a U.S. citizen, lawful permanent resident, or eligible for authorization under U.S. export regulations
  • Master's degree or PhD in an engineering discipline or Physics
  • Proven experience verifying GNC algorithm performance through simulation and validating simulation models
  • Expertise in state estimation, particularly attitude determination, orbit determination, GNSS, and radio navigation
  • Familiarity with numerical probability of collision methods (Alfano, Foster, Hall)
  • Comprehensive knowledge of spacecraft flight disciplines (structures, propulsion, avionics, flight software, dynamics, mission operations, integration)
  • Strong written and verbal communication skills and ability to work independently in a fast-paced startup environment
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The Company
10 Employees

What We Do

Starcloud is building data centers in space to address the AI energy challenge. Starcloud recently launched the first Nvidia H100 to space. Starcloud raised a $21M Seed round at the end of 2024 to enable the launch of multiple satellites. Their backers include Y Combinator (S24), NFX, In-Q-Tel, the NVIDIA Inception Program, and the World Economic Forum's Technology Pioneers. Starcloud White Paper: Starcloud.com/wp Starcloud Concept Video: Starcloud.com

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