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Sierra Space
Sierra Space
1,001 – 5,000 Employees
ConsultingLogisticsManufacturing
Sierra Space is a commercial space technology company working across spacecraft manufacturing, space infrastructure, and related engineering solutions. Its portfolio includes Dream Chaser spaceplanes, commercial space station development, advanced propulsion and rocket engine technologies, solar power systems, and environmental systems designed to support human spaceflight in microgravity. The company also delivers space systems and mission solutions for customers pursuing more capable and sustainable operations beyond Earth.
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Controls Engineer I (GNC) – Sierra Space, Centennial, CO

Support guidance, navigation, and controls engineering for spacecraft, including GNC algorithms, simulations, sensor analysis, and flight software integration. Contribute to Sierra Space satellite and defense technology missions.

USUnited StatesCOColorado
$83,999 – $115,498 / year
On-siteFull-timeJuniorMiddleEnglish RequiredEngineer
Subversion

Description

  • Contribute to spacecraft system development and analysis
  • Help design, analyze, and implement GNC algorithms, including classical control methods and Kalman filtering
  • Support GNC mode-transition analysis and spacecraft performance assessments
  • Run Monte Carlo simulations to measure system performance and verify requirements compliance
  • Create MATLAB scripts and models for GNC subsystem analysis
  • Connect simulations with Simulink and STK tools
  • Evaluate and interpret GNC sensor data from IMUs, GPS, and related systems
  • Work with teammates to integrate GNC flight software
  • Execute hardware-in-the-loop (HITL) simulations
  • Record technical findings and prepare reports
  • Present results to team members and stakeholders
  • Estimate workloads and organize daily assignments under technical-lead guidance

Requirements

  • Bachelor’s degree in aerospace, mechanical, electrical, or a related technical discipline, or equivalent engineering experience in place of a degree
  • 0–2 years of relevant engineering experience, including academic projects, internships, or research
  • Fundamental understanding of statics, dynamics, control systems, and orbital mechanics
  • Working proficiency in MATLAB programming
  • Familiarity with Simulink, STK, and version-control systems such as Git or SVN
  • Basic knowledge of GNC sensors, including IMUs and GPS, and their operating principles
  • Eligibility to obtain and maintain a U.S. security clearance
  • U.S. citizenship required for employment
  • Preferred: Experience applying Kalman filtering and classical control design
  • Preferred: Familiarity with Monte Carlo simulations and GNC mode-transition analysis
  • Preferred: Understanding of spacecraft subsystems such as power, thermal, communications, jitter, and structures
  • Preferred: Experience integrating GNC flight software and running HITL simulations
  • Preferred: Strong analytical capabilities
  • Preferred: Clear communication and effective teamwork skills

Benefits

  • Medical, dental, and vision coverage
  • 401(k) plan with a 150% match on contributions up to 6%
  • Life insurance
  • Three weeks of paid time off
  • Personal and professional development opportunities
  • Reasonable accommodations for applicants with disabilities

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