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Senior Combustion Devices Engineer II​/Principal Combustion Devices Engineer

Job in Long Beach, Los Angeles County, California, 90802, USA
Listing for: Rocket Lab USA
Full Time position
Listed on 2026-06-27
Job specializations:
  • Engineering
    Systems Engineer, Mechanical Engineer, Aerospace / Aviation / Avionics
Salary/Wage Range or Industry Benchmark: 113800 - 190500 USD Yearly USD 113800.00 190500.00 YEAR
Job Description & How to Apply Below
Position: Senior Combustion Devices Engineer II / Principal Combustion Devices Engineer

Senior Combustion Devices Engineer II / Principal Combustion Devices Engineer

Based out of Rocket Lab's headquarters in Long Beach, CA, the Principal/Senior Combustion Devices Engineer will be responsible for the development of one or more combustion devices (preburners, main injectors, thrust chambers assemblies and vacuum nozzles). These devices are an integral portion of the 200,000 lbf Archimedes engine, which operates in a demanding but efficient ox-rich, staged combustion architecture.

In this role, you'll take ownership of all aspects of a component: design and analysis, manufacturing and test support, and successful flights and subsequent, high-cadence, re-flights. By doing so, you will help propel the Neutron rocket, expanding human capabilities in space and providing value to the company and its shareholders.

Please note:

This position can be hired as a Senior Combustion Devices Engineer II or Principal Combustion Devices Engineer Level.

What You'll Get To Do:

  • Design, analyze, and perform trades studies to achieve programmatic targets.
  • Define requirements, test and flight qualification plans.
  • Work with the interface owners, like turbo machinery and engine systems teams, to make a high-end product that could be iterated fast and seamlessly.
  • Work with manufacturing and build engineers to design easily manufacturable, cost-effective, beautiful parts.
  • Work with the test and launch teams to interpret data and provide solutions to enable a high cadence – of tests, flights and re-flights.

As a Senior Combustion Devices Engineer II, you'll bring these qualifications:

  • Bachelor's degree in an engineering discipline or equivalent
  • 8+ years of combustion device design experience
  • In-depth knowledge of combustion and fluid dynamics, heat transfer and structural mechanics.
  • Fundamental understanding of design principals and manufacturing methods.

As a Principal Combustion Devices Engineer, you'll bring these qualifications:

  • Bachelor's degree in an engineering discipline or equivalent
  • 12+ years of combustion device design experience
  • In-depth knowledge of combustion and fluid dynamics, heat transfer and structural mechanics.
  • Fundamental understanding of design principals and manufacturing methods.

These qualifications would be nice to have:

  • Master's or a PhD.
  • Advanced proficiency in NX, ANSYS Mechanical, StarCCM, MATLAB and GD&T.
  • Proficiency in niche software like: TDK, ROCCID, PERCORP, CEA, ROCETS.
  • Reacting flow CFD.
  • Expertise in high-speed data/video analysis in time and frequency domains.
  • Experience with designing reusable, propulsively landing rocket engines.
  • Experience in an iterative and scrappy development environment.

Additional requirements:

  • Must be willing to travel and communicate outside of work hours.
  • Must be able to work extended hours and/or weekends as needed.
  • Specific vision abilities required by this job include close vision, distance vision, peripheral vision, depth perception, and the ability to focus.
  • Regularly required to sit, use hands and fingers, operate computer keyboard and controls, and communicate verbally and in writing.
  • Must be physically able to commute to buildings.
  • Occasional exposure to dust, fumes and moderate levels of noise.

Level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience. Base salary is just one component of our total rewards package at Rocket Lab. Employees may also receive company equity and access to a robust benefits package including: top tier medical HMO, PPO & a 100% company-sponsored medical HSA plan option, dental and vision coverage, 3 weeks paid vacation and 5 days sick leave per year, 11 paid holidays per year, flexible spending and dependent care savings accounts, paid parental leave, disability insurance, life insurance, and access to a 401(k) retirement plan with company match.

Other perks include:
Discounted employee stock purchase program, subsidized EV charging stations, onsite gym, food and drinks, and other discounts. Eligibility for benefits may vary based on employment status, please check with your recruiter for a comprehensive list of the benefits available for this role. Benefit programs are subject to change at the company's discretion.

Base Pay Range (CA Only)

$113,800 - $190,500 USD

What To Expect

We're on a mission to unlock the potential of space to improve life on Earth, but that's not an easy task. It takes hard work, determination, relentless innovation, teamwork, grit, and an unwavering commitment to achieving what others often deem impossible. Our people out-think, out-work, and out-pace. We pride ourselves on having each other's backs, checking our egos at the door, and rolling up our sleeves on all tasks big and small.

We thrive under pressure, work to tight deadlines, and our focus is always on how we can deliver, rather than dwelling on the challenges that stand in the way.

Important information:

FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY:

To…

Position Requirements
10+ Years work experience
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