F100 MRO

Los Angeles, CA March 25, 2026 Full Time Lever
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 an MRO Propulsion Engineer you will take ownership of the maintenance, refurbishment, and overhaul (MRO) lifecycle of our F100 engines—including acceptance testing. This is a hands-on, high-impact role where you’ll work side-by-side with passionate engineers and technicians to keep our propulsion systems performing at their best. If you want to learn fast, solve hard problems, and contribute directly to hypersonic capability, this is the place for you. 
As an MRO Propulsion Engineer you will take ownership of the maintenance, refurbishment, and overhaul (MRO) lifecycle of our F100 engines—including acceptance testing. This is a hands-on, high-impact role where you’ll work side-by-side with passionate engineers and technicians to keep our propulsion systems performing at their best. If you want to learn fast, solve hard problems, and contribute directly to hypersonic capability, this is the place for you. 
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.

Responsibilities

  • Own all or a significant portion of the F100 MRO lifecycle 

  • Collaborate daily with cross-disciplinary engineers and technicians 

  • Drive high-quality, safe, and efficient refurbishment processes 

  • Support testing campaigns and engine acceptance activities 

  • Contribute to a fast-paced environment where engineering and execution come together 

Basic Qualifications

  • Bachelor’s or advanced degree in Aerospace or Mechanical Engineering 

  • 3+ years of F100 MRO experience, or experience with a similar-thrust class engine 

  • 2+ years of professional experience designing flight propulsion hardware 

  • Strong engineering fundamentals in: 

Combustion 

Thermodynamics 

Heat transfer 

Fluid dynamics 

Structural dynamics 

Materials science 

Preferred Skills and Experience

  • 6+ years of F100 MRO or equivalent experience
  • 4+years designing jet or rocket propulsion hardware with CAD +GD&T
  • Proven responsibility for flight-proven hardware
  •  Experience with: air-breathing combustors, augmenters, ignition systems, variable-area nozzles, turbomachinery, high-temperature mechanical assemblies
  • Siemens Teamcenter + NX
  • ANSYS
  • High-temperature alloy design and manufacturing
  • Additively manufactured metal alloys
  • Jet fuel experience
  • Generating work instructions and managing nonconformances
  • Instrumentation selection and usage for ground or flight test
  • Hands-on experience with machining, welding, or hardware integration
  • Hardware certification for flight operations, includuing test asset development  

Additional Requirements

 

  • Willingness to travel to support build and test campaigns 

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