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HERE Technologies • Jacksonville, Florida, United States
Salary: 100% employer-pa
Role & seniority: Senior Propulsion Test Engineer (senior level)
Stack/tools: Propulsion test stands; mechanical/fluid systems; instrumentation; data acquisition and control systems; P&IDs and mechanical drawings; test planning and safety documentation
Design, develop, and maintain propulsion test stands and related infrastructure (mechanical, fluid, instrumentation)
Plan, execute, and analyze propulsion and subsystem test operations; generate test plans and safety docs
Collaborate with propulsion, GNC, software, and vehicle teams; analyze test data; drive improvements in test operations and safety
BS in Mechanical, Aerospace, or related Engineering; 7+ years in propulsion test or fluid/mechanical system design/operation
Hands-on experience with high-pressure, cryogenic, or high-temperature fluid systems
Proficiency with P&IDs, mechanical drawings; data acquisition/control systems
Strong safety discipline, analytical/troubleshooting ability; independent, cross-functional work style
Valid driver’s license; ability to work extended hours/weekends; U.S. citizenship and ability to obtain security clearance
MS in Aerospace/Mechanical or related field
Experience with air-breathing or rocket propulsion systems; turbomachinery, ramjet, scramjet, or hybrids
Familiarity with ASME standards, PLCs, test automation, instrumentation calibration, signal processing
Experienc
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.
At Hermeus, we are constantly iterating and integrating. We test early and often to minimize technical and program risk. We build the test infrastructurethat supports our full range of test programs spanning development, operational and certification testing. Hermeus is seeking a Senior Propulsion Test Engineer to support the development, integration, and operation of propulsion test systems at our Florida facility. This is a hands-on, high-impact role focused on building test capabilities and executing test campaigns for next-generation hypersonic propulsion systems. You will work closely with engineers and technicians across multiple disciplines to design test hardware, operate complex test facilities, and ensure safe, reliable, and repeatable performance. This role is ideal for an engineer who enjoys building, troubleshooting, and operating large-scale test systems and wants to be directly involved in advancing high-Mach technology. \n
U. S. citizenship and ability to obtain and maintain a security clearance.
Preferred Skills and Experience Master’s degree in Aerospace, Mechanical, or related field. Experience with air-breathing or rocket propulsion systems (turbomachinery, ramjet, scramjet, or hybrid systems). Familiarity with ASME B31.3, ASME BPVC Section VIII, and pressure vessel/facility standards. Experience with command and control systems, PLCs, and test automation. Background in instrumentation calibration, dynamic data collection, and signal processing. Experience with facility commissioning or large-scale test system buildouts. Hazardous operations or pyrotechnic system experience. Familiarity with DOE, DoD, or NASA test safety and operational standards.
\n $138,550 - $187,450 a year The salary information provided is a general guideline only. Hermeus takes various factors into account, including, but not limited to, the position's scope and responsibilities, the candidate's professional background, education and training, essential skills, and market and business considerations, when presenting a job offer. Salary is only one part of our total compensation and benefits package.Hermeus offers competitive salary and equity, unlimited PTO policy, paid parental leave, potential for year-end bonuses, and more! 100% employer-paid health care 401k & Retirement Plans Unlimited PTO Weekly Paid Office Lunches End of Year Bonuses Fully stocked breakrooms Stock Options Paid Parental Leave \n
U. S. EXPORT CONTROL COMPLIANCE STATUS
EQUAL OPPORTUNITY Hermeus is an Equal Opportunity Employer. Employment decisions at Hermeus are based solely on merit, competence, and qualifications, without regard to race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status.