Senior Mechanisms Systems Engineer

The role

You will be the technical and programmatic owner for large, cross-discipline mechanism systems such as thrust vector control. You will lead system-level design and integration, guiding requirements, architecture, and verification across hardware and software interfaces.

What you will do

• Define system concepts of operations (CONOPS), requirements, and verification plans
• Lead integrated product activities across mechanical design, actuators, GNC, avionics, and software teams
• Drive development tests, functional verification, and flight readiness
• Author test plans, execute tests, and establish success criteria
• Anticipate technical and logistical risks and develop mitigation strategies
• Coordinate the design, manufacturing, integration, and test schedules for complex mechanism systems
• Design test fixtures, specify sensors, and write test automation
• Lead root-cause investigations

Required qualifications

• Bachelor’s degree in Mechanical, Aerospace, or related engineering field
• 5+ years of relevant experience in design, manufacturing, assembly, or test of complex mechanical or electromechanical systems
• Proven ability to lead multi-disciplinary projects and deliver on ambitious schedules
• Strong technical judgment and the ability to communicate complex concepts across engineering and leadership audiences
• Demonstrated experience balancing requirements, cost, and schedule while driving system integration and verification

Nice to have

• Background in actuator systems, flight mechanisms, or thrust vector control
• Experience with motor-control tuning and model-based design using MATLAB/Simulink
• Experience with integrated hardware/software testing and verification
• Familiarity with reusability and rapid-iteration development environments

Benefits

• Competitive salary and equity
• Generous PTO and sick leave policy
• Parental leave
• Annual learning and development stipend

About the company

Relativity Space is building rockets to serve today’s needs and tomorrow’s breakthroughs. The company is developing the Terran R vehicle to deliver customer payloads to orbit.