Propulsion Hardware Engineer: Flight-Critical Components

Hermeus Corporation; Los Angeles (CA); On-site; USD 91,800 - 187,450; Full time

Benefits offered by this job

Health insurance

401k & Retirement Plans

Unlimited PTO

Weekly office lunches

End of year bonuses

Breakrooms stocked

Stock options

Paid parental leave

Job summary

Hermeus Corporation is seeking a Propulsion Component Responsible Engineer to own the development of flight-critical mechanical and fluid system components, from concept through flight-ready delivery. You will design for extreme environments and work closely with propulsion and vehicle teams in a fast-paced setting.

REQUISITES include a Mechanical or Aerospace degree and 5+ years in propulsion hardware development, with hands-on design, build, and test experience.

Qualifications

• Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or related field.
• 5+ years of experience developing mechanical or propulsion-related hardware.
• Experience contributing to hardware through design, build, and test cycles.
• Strong fundamentals in fluids, thermodynamics, mechanics, and materials.
• Hands-on experience with mechanical design, assembly, or integration.

Responsibilities

• Own propulsion components from concept through flight-ready delivery.
• Design for extreme environments: high pressure, temperature, and transient conditions.
• Drive trade studies across performance, manufacturability, reliability and testability.
• Execute clean-sheet design, analysis, and integration of propulsion components.
• Support hardware through rapid build–test–iterate cycles.
• Lead troubleshooting and root cause analysis during development and test.
• Define requirements, interfaces, and integration strategies with system owners.
• Perform system-level sizing, architecture, and design trades.
• Lead development testing, qualification, and acceptance of flight hardware.
• Support transition from prototype to production-ready designs.
• Define operational limits and ensure reliability and safety.
• Make risk-informed engineering decisions aligned with program goals.
• Prioritize work in a fast-paced, evolving development environment.

Skills

Fluids fundamentals

Thermodynamics

Mechanics

Materials science

Hands-on hardware

Python scripting

MATLAB

Education

Bachelor's degree in Mechanical Engineering or Aerospace Engineering

Tools

NX CAD

ANSYS

Job description

Hermeus Corporation is seeking a Propulsion Component Responsible Engineer to own the development of flight-critical mechanical and fluid system components, from concept through flight-ready delivery. You will design for extreme environments and work closely with propulsion and vehicle teams in a fast-paced setting.

REQUISITES include a Mechanical or Aerospace degree and 5+ years in propulsion hardware development, with hands-on design, build, and test experience.