Integration Engineer – Fluid & Propulsion Systems

<div><span data-olk-copy-source="MessageBody">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.</span></div><div><br></div><div><span style="font-size: 10pt;">We are seeking an </span><strong style="font-size: 10pt;">Integration Engineer</strong><span style="font-size: 10pt;"> 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.&nbsp;</span></div> <div>&nbsp;</div> <div><span style="font-size: 10pt;">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.&nbsp;</span></div><h3>Responsibilities</h3> <li>Provide design feedback to improve manufacturability, assembly, testability, and integration for complex fluid and propulsion systems.&nbsp;</li> <li>Establish and maintain build roadmaps for assigned assemblies to align key stakeholders, drive hardware and tooling deliveries, and minimize build serialization.&nbsp;</li> <li>Develop and release build CONOPS, work instructions, standard processes, and procedures to enable high-quality, high-velocity execution.&nbsp;</li> <li>Lead and support first-article builds in an early-stage, rapid-development environment, identifying and resolving issues in real time.&nbsp;</li> <li>Own design, process, and capital equipment trades to unlock key production capabilities and support scalable manufacturing infrastructure.&nbsp;</li> <li>Drive make-vs-buy decisions and collaborate closely with design engineering, manufacturing, and supply chain teams.&nbsp;</li> <li>Provide hands-on support during build, integration, and test operations, ensuring technical issues are addressed quickly and effectively.&nbsp;</li> <li>Support test readiness activities, including component and system pressurization, leak checks, actuator functional tests, and propulsion integration.&nbsp;</li> <li>Drive continuous improvement across the production floor — including tooling, ERP/MES workflows, build documentation, and internal specifications.&nbsp;</li> <li>Champion a safety-first mindset, especially during hazardous or high-pressure operations.&nbsp;</li> <h3>Qualifications</h3> <li>Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or related technical field.&nbsp;</li> <li>3+ years of hands-on experience in hardware integration, assembly, or manufacturing of fluid, propulsion, or mechanical systems.&nbsp;</li> <li>Familiarity with aerospace assembly best practices, including precision fitting, torque control, and contamination prevention.&nbsp;</li> <li>Exposure to tolerance stack-up analysis, system P&amp;ID development, actuator testing, leak checks, and valve assembly or test.&nbsp;</li> <li>Strong understanding of GD&amp;T, CAD modeling, and first-principles design and analysis.&nbsp;</li> <li>Proven ability to communicate effectively across design, manufacturing, supply chain, and test organizations.&nbsp;</li> <li>Demonstrated initiative and ownership, with the ability to define and implement new processes from scratch.</li> <h3>Preferred Skills and Experience </h3> <li>Experience supporting new product introduction or flight hardware integration in an aerospace or defense environment.&nbsp;</li> <li>Direct experience authoring and executing build work instructions and leading complex first-time build efforts.&nbsp;</li> <li>Familiarity with pressurized systems, hazardous operations, or test campaigns involving cryogenic, pneumatic, or propellant systems.&nbsp;</li> <li>Experience with welded tube, valve, or manifold assemblies (TIG, MIG, or laser welding).&nbsp;</li> <li>Exposure to R&amp;D or low-rate production environments, including vendor engagement, tooling development, and hands-on troubleshooting.&nbsp;</li> <li>Strong systems-level understanding of propulsion and fluid control architectures.&nbsp;</li> <h3>Additional Requirements </h3> <li>Must be willing to be hands-on in a manufacturing and test environment daily.&nbsp;</li> <li>Ability to lift up to 25 lbs and work safely around high-pressure systems and industrial equipment.&nbsp;</li> <li>Extended or flexible hours may be required to support critical build and test milestones.&nbsp;</li>