> Markdown version of [/jobs/ext/3971700-integration-engineer-fluid-systems-test](https://www.wearedevelopers.com/jobs/ext/3971700-integration-engineer-fluid-systems-test). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Integration Engineer, Fluid Systems Test - **Company:** Vast, Inc - **Location:** Long Beach, CA, United States - **Experience:** Experienced - **Salary:** $112,340.0 - $159,468.0 - **Contract:** Permanent contract - **Skills:** Computer-Aided Design, Application Programming Interfaces (APIs), Confluence, JIRA, Hardware Design, Microsoft Project, Microsoft Visio, Lucidchart, Subversion, System Testing, Systems Integration, Test Execution Engine, Smartsheet, Git, Integration Tests, Software Version Control, Teamcenter (Software) - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/integration-engineer-fluid-systems-test-long-beach-ca--e4cc987b-4308-40d1-b4d2-52205b138bcd ## About the Role System Integration (SI), System Test, Fluid Systems Engineering, Government, Product Demonstration, Manufacturing, Space Operations, Integration Testing, System Test, System Integration (SI), * Bachelor's degree in mechanical, manufacturing, aerospace, electrical, or similar field. * 4+ years of related engineering experience. * Hands on hardware integration and testing experience. * Experience with working with technicians and running multi person operations. * Experience writing test plans, procedures, presentations, and providing go/no-go judgment and rationale. Preferred Skills & Experience * Experience with pressure testing, fluid system design, proof and leak checks in compliance with ASME B31.3. * Experience planning and executing engineering operations in time-sensitive, high-risk environments. * Knowledge of pressure safety standards (D.O.O, ASME, API, NFPA) for quantity distance and keep-out zones. * Experience with high-pressure gas systems and closed-loop control systems. * Ability to design and perform environmental testing per SMC-S-016, GEVS NASA-STD-7000a, MIL STD 810G. * Experience designing and implementing instrumentation systems and precision measurement devices. * Experience with DAQ hardware and software (NI PXI, cRIO, cDAQ, Dewesoft, Beckhoff). * Ability to generate test system P&IDs using Visio, Lucidchart, or equivalent. * Experience writing and executing test plans/procedures in collaboration with design engineers. * Perform structured root cause analysis of test failures. * Experience in structural design and analysis of test fixtures. * Proficiency with CAD systems (NX preferred). * Experience with PLM systems (Teamcenter preferred) and version control (SVN, GIT). * Experience with project scheduling tools (Smartsheet, MS Project, or equivalent). * Experience with JIRA and/or Confluence. * Ability to quickly troubleshoot new and existing systems. * Ability to rapidly shift priorities across multiple projects and deliver high-value results iteratively. * Strong collaboration skills across cross-functional engineering teams. Additional Requirements: * Ability to travel for vehicle test support (20%) including extended travel (up to 1 month) for final vehicle test. * Ability to work varying hours, shifts, extended hours, and weekends as needed. * Ability to stoop, bend, crawl, and maneuver in tight spaces; physically able to lift up to 25 lbs unassisted. * Ability to perform in a fast-paced, rapidly changing work environment. ## Description * Own design, build, and commissioning of fluid system GSE and test stands. * Develop clear and robust test plans for on-vehicle checkouts, fluids, instrumentation, and high-pressure testing. * Act as test director, providing status updates and leading handoff meetings. * Conduct PDRs, CDRs, and TRRs before design and test execution. * Produce professional documentation including mechanical, fluid, and instrumentation schematics. * Document non-conformances and collaborate with quality team on root cause corrective actions. * Adhere to, enforce, and improve test processes and best practices. * Collaborate with distributed engineering organizations to define test plans, requirements, and schedules. * Partner with engineers, SMEs, and technicians to solve complex fluid system problems. * Mentor engineers and technicians on the team.