Integration Engineer – Fluid & Propulsion Systems Job at Hermeus (Los Angeles)

Integration Engineer – Fluid & Propulsion Systems

Hermeus

Location:
United States , Los Angeles

Category:
Manufacturing

Contract Type:
Not provided

Salary:

105750.00 - 169625.00 USD / Year

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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. We are seeking an Integration Engineer to own the design release, build, test, and delivery of key vehicle fluid, propulsion, and mechanism assemblies — including control surface actuators, spike inlet systems, engine integration, and other mission-critical hardware. You will serve as the technical bridge between design, manufacturing, and test, ensuring our hardware is built with precision, efficiency, and reliability. This role requires a hands-on engineer with a strong background in mechanical systems, propulsion, and fluids — capable of driving complex assemblies from concept through validation in a fast-paced, first-principles environment.

Job Responsibility:

Provide design feedback to improve manufacturability, assembly, testability, and integration for complex fluid and propulsion systems
Establish and maintain build roadmaps for assigned assemblies to align key stakeholders, drive hardware and tooling deliveries, and minimize build serialization
Develop and release build CONOPS, work instructions, standard processes, and procedures to enable high-quality, high-velocity execution
Lead and support first-article builds in an early-stage, rapid-development environment, identifying and resolving issues in real time
Own design, process, and capital equipment trades to unlock key production capabilities and support scalable manufacturing infrastructure
Drive make-vs-buy decisions and collaborate closely with design engineering, manufacturing, and supply chain teams
Provide hands-on support during build, integration, and test operations, ensuring technical issues are addressed quickly and effectively
Support test readiness activities, including component and system pressurization, leak checks, actuator functional tests, and propulsion integration
Drive continuous improvement across the production floor — including tooling, ERP/MES workflows, build documentation, and internal specifications
Champion a safety-first mindset, especially during hazardous or high-pressure operations

Requirements:

Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or related technical field
3+ years of hands-on experience in hardware integration, assembly, or manufacturing of fluid, propulsion, or mechanical systems
Familiarity with aerospace assembly best practices, including precision fitting, torque control, and contamination prevention
Exposure to tolerance stack-up analysis, system P&ID development, actuator testing, leak checks, and valve assembly or test
Strong understanding of GD&T, CAD modeling, and first-principles design and analysis
Proven ability to communicate effectively across design, manufacturing, supply chain, and test organizations
Demonstrated initiative and ownership, with the ability to define and implement new processes from scratch
Must be willing to be hands-on in a manufacturing and test environment daily
Ability to lift up to 25 lbs and work safely around high-pressure systems and industrial equipment
Extended or flexible hours may be required to support critical build and test milestones

Nice to have:

Experience supporting new product introduction or flight hardware integration in an aerospace or defense environment
Direct experience authoring and executing build work instructions and leading complex first-time build efforts
Familiarity with pressurized systems, hazardous operations, or test campaigns involving cryogenic, pneumatic, or propellant systems
Experience with welded tube, valve, or manifold assemblies (TIG, MIG, or laser welding)
Exposure to R&D or low-rate production environments, including vendor engagement, tooling development, and hands-on troubleshooting
Strong systems-level understanding of propulsion and fluid control architectures

What we offer:

unlimited PTO policy
paid parental leave
potential for year-end bonuses
100% employer-paid health care
401k & Retirement Plans
Weekly Paid Office Lunches
End of Year Bonuses
Fully stocked breakrooms
Stock Options
Paid Parental Leave

Additional Information:

Job Posted:
January 05, 2026

Employment Type:

Fulltime

Work Type:

On-site work

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