Job brief: Principal Combustion Devices Engineer

What JoRoute checked · Checked by JoRoute

• Listed on Rocket Lab's own job board. JoRoute does not take listings from job ads or recruiters.
• First seen by JoRoute 2026-11-04 (3 days ago); last confirmed on the board 2026-11-07.
• The apply link opens job-boards.greenhouse.io, the address Rocket Lab's board gives for this job.
• No other listing with this title and place on this board in the last 90 days.
• No layoff notices (WARN) under this name in the state files JoRoute reads.

What the listing says · Employer's own words, not checked

• Pay: $211,500 to $349,500 a year
• Job type: Not stated
• Where: Long Beach, CA · EDC
• Posted: 2026-10-08

What the job asks · Employer's own words, not checked

Level: Lead / staff. The title says "Principal".

Must have

• Bachelor’s degree in an engineering discipline or equivalent
• 12+ years of combustion device design experience
• Master’s or a PhD.
• Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S.
• as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S.
• These checks will include nationality checks as it is a requirement of this position that you be eligible to access equipment and data regulated by the United States' Internationa…

Main duties

• Design, analyze, and perform trades studies to achieve programmatic targets.
• Work with the interface owners, like turbomachinery 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.

Lines copied from the posting, not rewritten. "Preferred" or "nice to have" items are not listed as must-haves.

How it compares · Compared by JoRoute from listings

• Typical listed pay for engineer jobs in Long Beach, CA: $164k a year (146 listings, 3 employers). This listing is 71% higher.
• Across Rocket Lab's 452 open listings, 24% of those with a posting date were first posted more than 60 days ago. How Rocket Lab hires

What nobody outside the employer knows · Not known

• Whether the role is already filled or on hold: employers often leave listings up.
• How many people applied, and who reads the applications.
• Where in the published range an offer would land.

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