Principal GNC Systems Engineer

5 days ago


Webster, New Hampshire, United States CesiumAstro Full time
Job Title: Principal GNC Engineer II

CesiumAstro is seeking an experienced Principal GNC Engineer II to join our team. As a key member of our spacecraft team, you will lead the design and analysis of GNC systems for Cesium satellites and payloads.

Key Responsibilities:
  • Lead a small team in the design and analysis of GNC systems for Cesium satellites and payloads.
  • Perform trade studies, lead design reviews, create models, and complete simulations and system testing.
  • Build, test, and fly hardware and software.
  • Present engineering design review materials to customers and executive teams.
  • Participate in proposal-writing efforts.
Requirements:
  • Master of Science (MS) or Doctorate (Ph.D.) degree in Aerospace Engineering from an accredited university or institution.
  • Minimum of 11 years of industry experience in satellite attitude and orbit systems.
  • Expertise in attitude estimation, guidance, and control; coordinate frame transformations; linear algebra; and non-linear systems.
  • Experience with multiple spaceflight missions from concept to operations.
  • Experience in low earth orbit satellites, especially in a New Space paradigm.
  • Experience with post-CDR test failures and on-orbit failures that guide your design and test philosophies.
  • Experience with successful and unsuccessful recovery from on-orbit failures.
  • Experience in conceptualization, architecture design, requirements specification, design, test, and operations of various GNC architectures and components.
  • Familiarity with space mission simulation tools such as STK, Basilisk, GMAT, or FreeFlyer.
  • Experience defining spacecraft trajectories and orbital requirements.
  • Fluency with Python and C++, or other modeling languages.
  • Familiarity with spacecraft mission design including events, pointing modes, maneuver planning, and operations.
  • Excellent written and verbal communication skills.
Preferred Experience:
  • An active U.S. Security Clearance is preferred.
  • CubeSat and SmallSat experience.
  • Hands-on experience with spacecraft instrumentation, subsystems, and test labs.
  • Experience with multiple mission simulation and flight architectures which drives your vision for the next generation of space software.
  • Experience in LEO, MEO, GEO, and deep space satellites.
  • Experience with communications satellites.

CesiumAstro offers a competitive salary range of $160,000 - $190,000 per year, as well as a generous benefits package featuring health, dental, vision, HSA, FSA, life, and retirement plans. We are an Equal Opportunity/Affirmative Action employer and welcome applications from qualified candidates without regard to race, color, religion, sex, national origin, disability, or any other characteristic protected by applicable federal, state, or local law.



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