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HomeCompaniesHermeusPropulsion Development Engineer

Propulsion Development Engineer

Hermeus · Los Angeles, CA · On Site · Active · $91,800–$187,450 / year · Lever

Job facts

FieldValue
CompanyHermeus
TitlePropulsion Development Engineer
Normalized title-
Department / teamEngineering / Engines and Propulsion
LocationLos Angeles, CA, United States
Work modelOn Site
Employment typeFull Time
Salary$91,800–$187,450 / year
Statusactive
ATS providerLever
Posted / first seen2026-05-01 / 2026-05-29
Changed / last seen2026-05-29 / 2026-06-06

Related slices

PageWhat it containsOpen
Company jobsActive postings from Hermeus.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through Lever.Open
Provider filtered searchThe same provider as a filtered job collection.Open
City jobsActive postings in Los Angeles.Open
Department jobsActive postings in Engineering.Open
Work model jobsActive On Site postings.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanyHermeus
Source4e13c045-a564-47d7-ad2b-30fc8491c809
ATS providerLever

Description

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. As a Development Engineer on the Propulsion team, you will be responsible for advancing engine hardware through rapid, test-driven iteration. You will operate at the intersection of hardware execution and data analysis, owning engine test campaigns and translating results into actionable engineering improvements. This role requires strong hands-on capability, analytical rigor, and the ability to move quickly between test operations, data interpretation, and hardware problem-solving. You will play a critical role in increasing engine development velocity and reliability. U.S. EXPORT CONTROL COMPLIANCE STATUS The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. US persons include U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending. 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. Responsibilities Own development engine test campaigns from planning through execution and post-test analysis Define, author, and refine engine test plans, procedures, and setpoints aligned with program objectives Support and make decisions during live test operations, including hot-fire and subsystem testing Identify, diagnose, and resolve test-related engine issues across hardware, instrumentation, and procedures Standardize and improve test data review, reduction, and reporting processes Develop Python-based tools for data processing, visualization, and automated analysis Translate test data into clear engineering insights, including performance characterization and root cause analysis Drive post-test reviews and ensure actionable outcomes are captured and executed Participate in hands-on engine build, integration, and test setup activities Author and maintain development engine work instructions, test procedures, and technical documentation Generate, track, and resolve engineering issues through ticketing systems Collaborate cross-functionally with design, manufacturing, avionics, and test teams to resolve system-level challenges Ensure proper sensor selection, instrumentation setup, and data integrity during test campaigns Contribute to continuous improvement of test infrastructure, tooling, and development processes Basic Qualifications Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related discipline Hands-on experience with hardware build, integration, or test operations Experience developing or executing engineering test plans and procedures Proficiency in Python for data analysis and automation Strong understanding of sensors, instrumentation, and diagnostic techniques Preferred Qualifications Experience with liquid rocket engines or air-breathing propulsion systems Familiarity with high-speed data acquisition and telemetry systems Background in thermofluids, combustion, or turbomachinery Experience operating in fast-paced, iterative hardware development environments Demonstrated ownership of hardware or test systems through multiple development cycles

Full job record

Job IDc6bc54e7b5739e7395a43a18d3eec380ee6b64c4
Org ID4296f830-95f0-4d84-b149-cc7bbd1f305a
Source ID4e13c045-a564-47d7-ad2b-30fc8491c809
Board ID4e13c045-a564-47d7-ad2b-30fc8491c809
Providerlever
Provider Job Keybe9f1489-a625-4c85-b7fc-c9eb7ecceae2
TitlePropulsion Development Engineer
Normalized Title
Statusactive
Activeyes
Location TextLos Angeles, CA
DepartmentEngineering
TeamEngines and Propulsion
Employment TypeFull-time
Workplace Typeon_site
Remote Policy
CountryUnited States
RegionCA
CityLos Angeles
Salary RawUSD 91800-187450 per-year-salary
Salary Min91,800
Salary Max187,450
Salary CurrencyUSD
Salary Periodyear
Source URLhttps://jobs.lever.co/hermeus/be9f1489-a625-4c85-b7fc-c9eb7ecceae2
Apply URLhttps://jobs.lever.co/hermeus/be9f1489-a625-4c85-b7fc-c9eb7ecceae2/apply
First Seen At2026-05-29 06:59:21Z
Last Seen At2026-06-06 20:13:15Z
Last Checked At2026-06-06 20:13:15Z
Last Changed At2026-05-29 06:59:21Z
Inactive At
Source Posted At2026-05-01 23:29:38Z
Source Updated At
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=lever/board=hermeus/date=2026-06-06/2026-06-06T20-13-14-323Z-526ab4758f5a8fff5046fe9bf77b4a6e6d0852443cefd61dded55e3b42e1e7ad.json
Event Fields
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  "last_changed_at": "2026-05-29T06:59:21.952Z",
  "active_status": "active"
}
Parsed Structured
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Extensions
{}
Native Structured
{
  "lists": [
    {
      "text": "Responsibilities",
      "content": "\n<li>Own development engine test campaigns from planning through execution and post-test analysis</li>\n<li>Define, author, and refine engine test plans, procedures, and setpoints aligned with program objectives</li>\n<li>Support and make decisions during live test operations, including hot-fire and subsystem testing</li>\n<li>Identify, diagnose, and resolve test-related engine issues across hardware, instrumentation, and procedures</li>\n<li>Standardize and improve test data review, reduction, and reporting processes</li>\n<li>Develop Python-based tools for data processing, visualization, and automated analysis</li>\n<li>Translate test data into clear engineering insights, including performance characterization and root cause analysis</li>\n<li>Drive post-test reviews and ensure actionable outcomes are captured and executed</li>\n<li>Participate in hands-on engine build, integration, and test setup activities</li>\n<li>Author and maintain development engine work instructions, test procedures, and technical documentation</li>\n<li>Generate, track, and resolve engineering issues through ticketing systems</li>\n<li>Collaborate cross-functionally with design, manufacturing, avionics, and test teams to resolve system-level challenges</li>\n<li>Ensure proper sensor selection, instrumentation setup, and data integrity during test campaigns</li>\n<li>Contribute to continuous improvement of test infrastructure, tooling, and development processes</li>\n"
    },
    {
      "text": "Basic Qualifications",
      "content": "<div>\n\n<li>Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related discipline</li>\n<li>Hands-on experience with hardware build, integration, or test operations</li>\n<li>Experience developing or executing engineering test plans and procedures</li>\n<li>Proficiency in Python for data analysis and automation</li>\n<li>Strong understanding of sensors, instrumentation, and diagnostic techniques</li>\n\n</div>"
    },
    {
      "text": "Preferred Qualifications ",
      "content": "<div>\n\n<li>Experience with liquid rocket engines or air-breathing propulsion systems</li>\n<li>Familiarity with high-speed data acquisition and telemetry systems</li>\n<li>Background in thermofluids, combustion, or turbomachinery</li>\n<li>Experience operating in fast-paced, iterative hardware development environments</li>\n<li>Demonstrated ownership of hardware or test systems through multiple development cycles</li>\n\n</div>"
    }
  ],
  "country": "US",
  "createdAt": 1777678178772,
  "updatedAt": null,
  "categories": {
    "team": "Engines and Propulsion",
    "location": "Los Angeles, CA",
    "commitment": "Full-time",
    "department": "Engineering",
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    "currency": "USD",
    "interval": "per-year-salary"
  },
  "workplaceType": "onsite"
}
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