Hermeus · 2 months ago
Integration Engineer – Fluid & Propulsion Systems
Los Angeles, CA
Full-time
Onsite
Mid Level
$106K/yr - $170K/yr
3+ years expHermeus is a high-speed aircraft manufacturer focused on the rapid design, build, and test of hypersonic aircraft for the national interest. The Integration Engineer will be responsible for the design release, build, test, and delivery of key vehicle fluid, propulsion, and mechanism assemblies, ensuring precision and reliability in a fast-paced environment.
AerospaceAir TransportationInfrastructureTravel
Responsibilities
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
Qualification
Required
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
Preferred
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
Benefits
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
Company
Hermeus
Hermeus is developing Mach 5 aircraft to speed up the global transportation network.
201-500 employees
Funding
Current Stage
Growth StageTotal Funding
$215.96MKey Investors
Sam AltmanUnited States Air ForceNASA
2025-07-30Series B
2024-07-02Series B· $39.96M
2022-03-10Series B· $100M
Leadership Team
AJ Piplica
Founder, Chief Executive Officer
Glenn Case
Founder and Chief Technologist
Recent News
MarketScreener
2025-10-10
2025-10-10
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