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.
As a Lead Propulsion Component Engineer you will own the development of flight-critical propulsion components—including valves, actuators, and high-performance mechanical systems operating in extreme thermal and pressure environments. This is a player–coach role: you will directly design and deliver hardware while leading a small team of engineers. You will own components from clean-sheet design through test, qualification, and flight, and your hardware will move quickly from concept to real-world operation.
Responsibilities
Own propulsion components (e.g., high-pressure valves, actuation systems, and fluid control hardware) from concept through flight qualification
Design for extreme environments including high temperature, pressure, and dynamic loading
Drive trade studies across performance, manufacturability, reliability, and testability
Execute clean-sheet design, analysis, and integration of propulsion hardware
Lead development through rapid build–test–iterate cycles
Support and troubleshoot hardware during ground and flight test campaigns
Lead and mentor a team of 2–5 engineers, setting technical direction and execution priorities
Review designs, guide engineering decisions, and ensure high technical standards
Act as the Responsible Engineer for critical flight hardware
Work closely with propulsion, structures, and vehicle teams to integrate components into engine and vehicle systems
Define system requirements, interfaces, and operational limits
Drive transition from prototype to repeatable, production-ready hardware
Develop assembly, test, and acceptance strategies for reliable delivery
Basic Qualifications
Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or related field
7+ years of experience developing mechanical or propulsion hardware
Demonstrated experience owning hardware from concept through test or production
Strong fundamentals in fluids, thermodynamics, mechanics, and materials
Hands-on experience with design, build, and integration of mechanical systems
Preferred Skills and Qualifications
Experience with propulsion systems, high-pressure fluid systems, or aerospace mechanisms
Experience designing components such as valves, actuators, turbomachinery-adjacent hardware, or fluid control systems
Familiarity with high-temperature materials and sealing strategies
Strong knowledge of GD&T, tolerance stack-up, and precision assemblies
Experience with rapid development environments (startup or flight hardware programs)
Proficiency with CAD tools (NX preferred) and analysis tools (ANSYS or similar)
Experience supporting hardware through test campaigns and resolving real-world failures
Additional Requirements
Willingness to work hands-on in build, integration, and test environments
Ability to support extended hours during critical test and flight operations
Willingness to travel to test sites as needed
Must be eligible to access export-controlled information
Additional Information
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.
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