Spacecraft Guidance, Navigation, and Control (GNC) Engineer

At Relative Dynamics we value knowledge as a process rather than knowledge as an answer. Founded in 2011 our goal is to define the new space era by continuously pushing the boundaries of engineering models services and technology development. Visit us at www.relativedynamics.space.

Relative Dynamics Inc. is seeking to hire a Spacecraft Guidance, Navigation, and Control (GNC) Engineer to provide support to end users on a variety of issues and to identify, research, and resolve technical problems.

What You'll Get to Do:

• Perform GNC Hardware (HW) component trade studies, selection, and subsystem design
• Support systems engineering development of mission Concept of Operations (CONOPS)
• Generate and optimize Design Reference Missions trajectories and implement guidance algorithms
• Develop navigation and orbit determination algorithms and processes
• Design control laws to meet vehicle performance and stability margin requirements
• Implement GNC Flight Software (FSW) state machine
• Define GNC subsystem Fault Detection, Identification, and Response (FDIR)
• Develop high-fidelity GNC simulation and Hardware-in-the-Loop (HIL) test frameworks
• Integrate and validate GNC FSW and HW components
• Support internal and external design reviews
• Execute GNC subsystem verification and validation using HIL and Monte Carlo simulation
• Support flight activities and analyze flight performance data

What You'll Need:

• Required Experience:
  • BS degree in aerospace engineering or a computer science discipline
  • 5 years' experience as a GNC or SW engineer
  • Supported the development or operation of spacecraft mission systems
  • Interfaced with aerospace customers in the commercial or government sectors
  • Developed, implemented, and verified flight software
  • Led a team across a project lifecycle (not necessarily a spacecraft or a whole GNC system)
  • Worked multiple projects simultaneously, determined work priorities for a team
  • Used tools like Jira or GitLab to track software issues
  • Used tools like Git or SVN for software change management
• Required Skills:
  • Excellent communication, analysis, and problem-solving skills
  • Strong programming skills in C, C , Python, or similar language
• Additional Qualifications
  • MATLAB to create, process, analyze, and visually represent data
  • Simulink to model dynamic systems
  • GNC FSW development and simulation software such as MATLAB/Simulink, TrickSim/JEOD, or MAX FSW
  • Orbital mechanics, attitude dynamics, and satellite control
  • Orbit modeling and simulation software such as GMAT, STK, or FreeFlyer
  • Knowledge of GNC sensors and actuators
  • Hands-on experience with IMU, reaction wheels, star trackers, gyroscopes, and other GNC HW
  • Non-linear and linear system analysis and control principles and tools to design feedback control systems
  • Blended attitude solutions from a variety of sensor data
  • Spacecraft on-orbit operations and anomaly resolution
  • NASA’s GPS-Enhanced Onboard Navigation System (GEONS)
  • NASA’s Core Flight System (CFS)
  • Rendezvous, Proximity Operations, and Capture/Docking (RPOC/D) trajectories and algorithms
  • MS or PhD

What You Won't Do:

• Feel stuck as we offer great opportunities to advance and learn
• Feel like a number as we're a close-knit bunch and always have each other’s backs

Who You Are:

• A self-starter who thrives in a fast-paced environment
• A quick learner who is always ready to gain depth of knowledge
• A reliable worker who knows the importance of showing up when it counts
• Accept assignments with open cooperative positive and team-oriented attitudes
• Able to plan and execute plans across teams
• Effective communicator both written and verbal

What You'll Enjoy:

• Competitive wage and benefits package
• Medical, dental, vision and life/disability insurance
• Vacation and paid holidays
• Tuition reimbursement
• Great 401k with company match
• Employee referral program
• Community involvement investing and giving back to the community

Relative Dynamics conducts a comprehensive background check that includes drug testing. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, national origin, gender identity, sexual orientation, age, marital status, veteran status or disability status.