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HomeCompaniesHermeusPerformance Engineer

Performance Engineer

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

Job facts

FieldValue
CompanyHermeus
TitlePerformance Engineer
Normalized title-
Department / teamEngineering / Vehicle Analysis
LocationLos Angeles, CA, United States
Work modelOn Site
Employment typeFull Time
Salary$91,800–$187,450 / year
Statusactive
ATS providerLever
Posted / first seen2026-02-18 / 2026-05-29
Changed / last seen2026-05-31 / 2026-06-06

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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. About The Role: In your role as a Performance Engineer, you will be responsible for analyzing, modeling, and optimizing aircraft and propulsion system performance across the full flight envelope. This position requires strong expertise in gas turbine engine cycles, aerodynamics, and thermodynamics to support aircraft development, certification, and operational excellence. 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: Perform thermodynamic cycle analysis of turbofan engines, evaluating thrust, TSFC, efficiency, operability margins, and performance across the flight envelope. Develop, validate, and maintain propulsion system performance models to support aircraft integration, certification, and customer deliverables. Generate aircraft and engine performance data for flight manuals, flight computers, and executive-level program assessments. Conduct runway and mission performance analyses Support engine-airframe integration efforts, including takeoff thrust optimization and safety-focused performance methodologies. Author and execute flight test plans to evaluate propulsion robustness, operability, and early design maturity. Contribute to advanced combustion and fluid dynamics modeling efforts Support experimental testing efforts including aeroacoustics, flow visualization (Schlieren), wind tunnel testing, and telemetry data analysis. Play a key role within our HEAT (High-Enthalpy Airflow Test) facility , including sizing, analyzing, and optimizing this world-class test infrastructure. Requirements: Bachelor’s degree in Aerospace Engineering, Mechanical Engineering, or related field. Strong foundation in thermodynamics, compressible flow, gas turbine engine cycles, and aerodynamics. Experience with propulsion performance modeling and aircraft performance analysis Proficiency in MATLAB and Python Demonstrated ability to interpret and validate complex engineering data sets. Preferred Skills and Experience: Master’s degree in Aerospace Engineering with focus on propulsion, aerothermodynamics, or combustion. Experience supporting turbofan engine development programs Background in CFD, Large Eddy Simulation (LES), or reduced-order modeling techniques. Exposure to experimental aerodynamics, aeroacoustics, or high-speed flow diagnostics. Strong systems-level thinking with attention to both detailed analysis and program-level impacts. Demonstrated leadership in technical initiatives or cross-functional collaboration.

Full job record

Job IDf4aeb32140b6851133084ee2922129a5efe7bb90
Org ID4296f830-95f0-4d84-b149-cc7bbd1f305a
Source ID4e13c045-a564-47d7-ad2b-30fc8491c809
Board ID4e13c045-a564-47d7-ad2b-30fc8491c809
Providerlever
Provider Job Key123f0458-1f08-41f7-adc7-5b4141a168bd
TitlePerformance Engineer
Normalized Title
Statusactive
Activeyes
Location TextLos Angeles, CA
DepartmentEngineering
TeamVehicle Analysis
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/123f0458-1f08-41f7-adc7-5b4141a168bd
Apply URLhttps://jobs.lever.co/hermeus/123f0458-1f08-41f7-adc7-5b4141a168bd/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 At2026-05-31 10:29:56Z
Inactive At
Source Posted At2026-02-18 01:33:56Z
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": "2026-05-31T10:29:56.934Z",
  "active_status": "active"
}
Parsed Structured
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Extensions
{}
Native Structured
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      "text": "Responsibilities:",
      "content": "\n<li>Perform thermodynamic cycle analysis of turbofan engines, evaluating thrust, TSFC, efficiency, operability margins, and performance across the flight envelope.&nbsp;</li>\n<li>Develop,&nbsp;validate, and&nbsp;maintain&nbsp;propulsion system performance models to support&nbsp;aircraft&nbsp;integration, certification, and customer deliverables.&nbsp;</li>\n<li>Generate&nbsp;aircraft&nbsp;and engine performance data for flight manuals, flight computers, and executive-level program assessments.&nbsp;</li>\n<li>Conduct runway and mission performance analyses&nbsp;</li>\n<li>Support engine-airframe integration efforts, including takeoff thrust optimization and safety-focused performance methodologies.&nbsp;</li>\n<li>Author and execute flight test plans to evaluate propulsion robustness, operability, and early design maturity.&nbsp;</li>\n<li>Contribute to advanced combustion and fluid dynamics modeling efforts&nbsp;</li>\n<li>Support experimental testing efforts including aeroacoustics, flow visualization (Schlieren), wind tunnel testing, and telemetry data analysis.&nbsp;</li>\n<li>Play a key role within our&nbsp;<strong>HEAT (High-Enthalpy Airflow Test) facility</strong>, including sizing, analyzing, and&nbsp;optimizing&nbsp;this world-class test infrastructure.&nbsp;</li>\n\n<div>&nbsp;</div>"
    },
    {
      "text": "Requirements:",
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    },
    {
      "text": "Preferred Skills and Experience:",
      "content": "\n<li>Master’s degree in Aerospace Engineering&nbsp;with focus on propulsion, aerothermodynamics, or combustion.&nbsp;</li>\n<li>Experience supporting turbofan engine development programs&nbsp;</li>\n<li>Background in CFD, Large Eddy Simulation (LES), or reduced-order modeling techniques.&nbsp;</li>\n<li>Exposure to experimental aerodynamics, aeroacoustics, or high-speed flow diagnostics.</li>\n<li>Strong systems-level thinking with attention to both detailed analysis and program-level impacts.&nbsp;&nbsp;</li>\n<li>Demonstrated leadership in technical initiatives or cross-functional collaboration.&nbsp;</li>\n"
    }
  ],
  "country": "US",
  "createdAt": 1771378436223,
  "updatedAt": null,
  "categories": {
    "team": "Vehicle Analysis",
    "location": "Los Angeles, CA",
    "commitment": "Full-time",
    "department": "Engineering",
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    "currency": "USD",
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