ABOUT ROCKET LAB Rocket Lab is the end-to-end space company building rockets, spacecraft, and critical subsystems that keep the world connected, protected, expand humanity’s reach to the Moon, Mars, and beyond. We move fast, build real hardware for meaningful missions, and make the impossible routine. Come shape the future with us. NEUTRON  Neutron is a medium-lift launch vehicle being developed by Rocket Lab, a publicly traded end-to-end space company. The rocket can deliver the mega constellations of tomorrow, enable interplanetary payloads, and support human spaceflight. As a reusable platform, Neutron will deliver a very cost-effective and reliable launch solution leveraging Rocket Lab’s proven history with Electron – the third most launched rocket, worldwide, in 2024. If you’re interested in joining an incredible team in a fast-paced and rewarding environment, this is your opportunity.  PRINCIPAL COMBUSTION DEVICES ENGINEER Based out of Rocket Lab's headquarters in Long Beach, CA, the Principal 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. 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 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.  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.  This position may require prolonged periods of sitting, standing, walking, computer work, and occasional exposure to moderate levels of noise, dust, and fumes in production areas Anticipated annual equity grant value is designed around function, level, experience, and other factors; realized value depends on vesting and stock-price performance. Join one of the world's fastest-growing space companies and own a piece of it. In addition to competitive base pay, you'll receive company stock as part of your total compensation package, giving you a direct stake in our success. As we expand to new launch sites, groundbreaking missions, and global markets, your ownership has the opportunity to grow alongside the company. Our comprehensive benefits package includes our industry-leading Employee Stock Purchase Program (with a 15% discount on company stock), top-tier medical plans (HMO, PPO, and a zero cost HDHP option with a significant HSA company contribution), dental and vision coverage, paid vacation and sick time, 11 paid holidays, flexible spending and dependent care accounts, paid parental leave, disability and life insurance, and a 401(k) retirement plan with company match. Additional perks include subsidized EV charging, onsite fitness centers (where available), discounted gym memberships, complimentary snacks and beverages, 50% employee discount on our popular merch store, and a variety of other employee discounts. 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. Total Compensation (base and equity) $211,500—$349,500 USD Base Salary $162,000—$270,000 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 conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Learn more about ITAR here. Rocket Lab provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment at Rocket Lab, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Applicants requiring a reasonable accommodation for the application/interview process for a job in the United States should contact Giulia Johnson at g.biow@rocketlabusa.com.This dedicated resource is intended solely to assist job seekers with disabilities whose disability prevents them from being able to apply/interview. Only messages left for this purpose will be considered. A response to your request may take up to two business days. FOR CANDIDATES SEEKING TO WORK IN NEW ZEALAND OFFICES ONLY: For security reasons, background checks will be undertaken prior to any employment offers being made to an applicant.  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' International Traffic in Arms Regulations.  Under these Regulations, you may be ineligible for this role if you do not hold citizenship of Australia, Japan, New Zealand, Switzerland, the European Union, or a country that is part of NATO, or if you hold ineligible dual citizenship or nationality.  For more information on these Regulations, click here ITAR Regulations.