
Compensation
$138,550–$247,250/year
Job Description
Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Department of War to provide the high-speed capabilities our nation and its allies need to maintain a durable, asymmetric advantage.
We are seeking a 1st principles driven, experienced, and owner mindset Chief Engineer to lead the design, construction, and activation of an expansion at our next-generation airbreathing propulsion test facility, HEAT, located in Jacksonville, FL. This facility expansion will play a critical role in advancing hypersonic and other advanced propulsion technologies vital to Hermeus’ roadmap, national security, and aerospace innovation.
As the Chief Engineer, you will serve as the technical authority and strategic lead responsible for the end-to-end development of the test facility—from concept and requirements definition through commissioning and operational readiness. This role will require close collaboration with internal teams, external contractors, and DoD stakeholders to ensure that the facility meets current and future propulsion testing needs.
Optimize Your Resume for This Job
Get a match score and see exactly which keywords you're missing
Job Details
- Category
- Mechanical
- Employment Type
- Full Time
- Location
- Jacksonville, FL
- Posted
- Compensation
- $138,550 - $247,250 per year
About Hermeus
Hermeus is building Quarterhorse, a Mach 5+ hypersonic aircraft that will radically accelerate air travel. Their reusable turbine-based combined-cycle engines power both commercial and defense applications, with US Air Force contracts to develop autonomous hypersonic platforms.
More Roles at Hermeus

Hermeus
Business & Finance
Test Pilot
Los Angeles, CA$135K - $250K Full Time
10 hours ago
Business & Finance
10 hours ago
Hermeus
Manufacturing
Components Manufacturing Engineer
Los Angeles, CA$100K - $170K Full Time
5 days ago
Manufacturing
5 days ago
Hermeus
Operations
Engineering Solutions Systems Administrator (TeamCenter)
Los Angeles, CA$136K - $227K Full Time
6 days ago
Operations
6 days ago
Hermeus
MechanicalPropulsion
Propulsion Test Technician
Jacksonville, FL$24.75 - $38.5/hour Full Time
1 week ago
MechanicalPropulsion
1 week ago
Hermeus
Business & Finance
Accounts Payable & Travel Expense Manager
Los Angeles, CA$90K - $150K Full Time
1 week ago
Business & Finance
1 week agoSimilar Mechanical Roles

Blue Origin
Mechanical
Senior Electrical Design - Responsible Engineer
Kent, WA +1$157K - $220K Full Time
4 hours ago
Mechanical
4 hours ago
Blue Origin
Mechanical
Electrical Design Engineer II
Kent, WA +1$107K - $150K Full Time
4 hours ago
Mechanical
4 hours ago
Relativity Space
MechanicalStructures
Technical Trainer, Structures
Long Beach, California$89K - $133K Contract
7 hours ago
MechanicalStructures
7 hours agoFound this role interesting?