About the Team:
The Stennis Test team designs, builds, and operates Relativity's propulsion and stage test stands. Team members are hands-on with large-scale, complex systems including fully integrated engines and stage assemblies, pushing hardware to the limits and directly contributing to flight readiness. The work is fast-paced and highly operational, ideal for those with backgrounds in aviation, automotive, manufacturing, offshore operations, industrial systems, construction, or adjacent industries. You'll work in a close-knit, dynamic environment where collaboration between technicians, operators, and engineers is not only encouraged, but expected. As the company scales, the Stennis Test team becomes even more critical to unlocking our next phase of growth: proving out full-stage systems and paving the way for routine, reliable flights of Terran R.
About the Role:
As a Senior Mechanical Engineer at Relativity, you will be responsible for design, fabrication, and modification of test stands for our Terran 1 and Terran R engines and stages. Engineers at our Stennis facility are engaged directly with construction and maintenance activities in the field, across a variety of hours to years-long project scales. This position will be titled Senior Propulsion Test Engineer within the organization.
Design and Responsibilities:
Design advanced propulsion test stands, including 3D modeling, fluids and structural analysis, fabrication drawings, fluids P&IDs, component lists, and detailed work instructions. Supervise the construction, commissioning, and initial operations of these facilities. Solve a variety of technical problems, across broad ranges of timeframe, complexity, cost, and long-term impact. Support operations on and perform related improvements to existing test stands.
Requirements:
About You:
A Bachelors degree in mechanical engineering, aerospace engineering, or a related field and 5+ years of combined engineering experience is required. Prior experience in aerospace is not required. Varied perspectives & backgrounds strengthen our team. Ownership of propulsion or structural test related projects including design, analysis, construction, and commissioning from beginning to end as well as proficiency in 3D modeling and drafting, including GD&T. Demonstrated engineering fundamentals in thermal, structural, and fluids analysis as well as a demonstrated drive to deliver on tight schedules, especially when unconventional & creative solutions are necessary. Hands-on fabrication experience using common power tools for projects at work/home/school. Knowledge of fluid components such as valves, regulators, and instrumentation as well as experience designing, fabricating, and operating complex fluid systems.
Nice to Have:
Experience with FEA or CFD. Hands-on experience with metalworking, welding, hydraulics, manufacturing, etc. In-depth knowledge of manufacturing processes, material selection, inspection, precision measurement, and non-destructive testing.
Clearance Requirements:
Successful candidates must clear a background check administered by the US government to obtain clearance for on-site work at our government partner location in Stennis, Mississippi.