We are seeking highly motivated Mechanical Test Engineers to support the design, planning, and execution of test campaigns for spacecraft mechanical systems and hardware. You will work closely with mechanical design engineers, systems engineers, and production teams to ensure mechanical hardware meets performance, environmental, and mission-critical requirements. In this role, you will develop test plans, execute mechanical system tests, design and build test fixtures and ground support equipment, collect and analyze data, disposition anomalies, and verify that hardware meets all specifications. The position offers an excellent opportunity to contribute to cutting-edge spacecraft mechanical technologies in a fast-paced, mission-driven environment.