Mechanical Engineer - NSS

About Us

Nova Space Solutions, LLC (NSS) is a joint venture between Wolf Creek Federal Services, Inc. (a wholly-owned subsidiary of Chugach Government Solutions, LLC) and Amentum Technology, Inc. When you join NSS, you also become a part of a proud legacy of supporting missions while sustaining culture. The federal division of Chugach Alaska Corporation, Chugach Government Solutions, through its subsidiaries and affiliates, has been supporting critical missions as a government contractor for over 25 years.

We are proud to have built, and continue to foster, an incredibly talented team spanning across the globe in hundreds of different fields – each team member proud to serve our country with first‑class business services, while also making a difference for our Chugach shareholders. Empowering employees is a part of our core, and that focus is one of the ways we build and foster high‑performing teams.

We empower our employees through competitive compensation and benefits package, professional growth opportunities, truthful communication, and more! If you are looking for an opportunity to serve something bigger than yourself; if you want your day job to be one that creates meaningful value; if you are looking for an environment that highly values employees and respects individual differences – then Nova Space Solutions may be the right fit for you!

This position will be located at the NASA Stennis Space Center, Mississippi.

Nova Space Solutions (NSS) is seeking a Mechanical Engineer to join our Engineering Services Department team at NASA Michoud Assembly Facility, Louisiana. The ideal candidate will assist in the design and analysis of new site or modifications to existing site or manufacturing and production facility systems.

• Develop mechanical designs for new construction projects and modifications to existing facilities and test systems
• Prepare engineering plans, specifications, drawings, and construction packages in coordination with project team members
• Develop fluid and thermal analysis models, component calibration models, and test data review packages supporting rocket propulsion testing
• Participate in the design of fluid subsystems, including conceptual design, thermo‑fluid modeling, structural layout, analysis, integration, testing, and mission support
• Design and route fluid subsystems, including propellant feed, pressurization, pneumatic, discharge, and capture systems
• Design fluid component assemblies, including valves, regulators, pressure vessels, and related equipment
• Perform dimensional, thermal, structural, qualification, and integration analyses to evaluate design feasibility and performance
• Develop 3D models, assemblies, and detailed drawings for fluid subsystem and structural designs
• Support component, subsystem, and system‑level testing activities, including test planning, execution, data reduction, and analysis
• Develop heat load analyses, flow models, and related engineering calculations for facility systems, including cryogenic and gas systems
• Prepare project schedules, cost estimates, and engineering documentation
• Review vendor and contractor submittals, Requests for Information (RFIs), and change orders
• Perform trade studies and conceptual engineering evaluations supporting site‑wide improvements
• Monitor and report project status, schedules, and budget performance
• Provide engineering support to other departments as needed
• Perform other duties as assigned

• Support the design, analysis, testing, and implementation of facility and test systems
• Develop engineering solutions that support NASA operations, propulsion testing, and site‑wide infrastructure improvements
• Participate in all phases of project execution, including conceptual design, analysis, procurement support, testing, construction support, and commissioning
• Coordinate with project teams, contractors, vendors, and stakeholders to ensure successful project delivery
• Monitor project scope, schedule, and cost performance
• Support engineering reviews, trade studies, and technical evaluations
• Provide engineering support to operations, maintenance, and other…