Build Engineer - Propulsion

Job Description Job Description Hermeus is a high-speed aircraft manufacturer focused on the rapid design, build, and test of high-Mach and hypersonic aircraft for the national interest. Working directly with the Department of Defense, Hermeus delivers capabilities that will ensure that our nation, and our allies, maintain an asymmetric advantage over any and all potential adversaries. This role sits at the intersection of engineering design, manufacturing, integration and test for flight vehicles.You'll be embedded with design and production teams, owning everything from hardware design, tooling, testing and flight readiness to process development and vehicle assembly. We are hiring entry-level through senior-level. Responsibilities Lead detailed project planning and drive hardware delivery on aggressive timelines. Collaborate directly with high level design concepts turning them into detailed designs including final geometry, material selection and DFM. Drive the transition from prototype to production for complex aerospace assemblies. Ruthlessly question process complexity—delete parts, eliminate waste, simplify flow. Design and implement full-stack build processes—factory layout, tooling, test flow, and vehicle integration. Develop and run test procedures for flight hardware. Serve as a force multiplier across production, test, and design teams. Basic Qualifications Strong engineering first principles. Bachelor's degree in mechanical, aerospace, manufacturing, or related engineering field. Hands-on experience with physical hardware (internships, labs, project teams all count). Proven ability to design, build, break, and iterate quickly. Comfort with CAD, test equipment, hand tools. Familiarity with manufacturing processes (machining, welding, forming, etc.) and GD&T fundamentals. Preferred Skills and Experience Designed and releasedflight hardware. Familiarity with Siemens Teamcenter and NX. Leadership experience on project teams or in mentorship roles. You’ve built something that’s flown, broken, or both. Experience standing up production lines or test infrastructure in a fast-paced environment. Additional Requirements Must be available to work extended hours and/or weekends as needed to support critical milestones. Must be willing to travel to test sites, other Hermeus offices, and partner locations as needed (up to 25% travel) U.S. EXPORT CONTROL COMPLIANCE STATUS The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. US persons include U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending. EQUAL OPPORTUNITY Hermeus is an Equal Opportunity Employer. Employment decisions at Hermeus are based solely on merit, competence, and qualifications, without regard to race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.