{"id":2101918,"url":"https://alion.io/job/rocket-lab-senior-propulsion-engineer-ii","title":"Senior Propulsion Engineer II","company":{"id":684473,"name":"Rocket Lab","domain":"rocketlab.com","url":"https://alion.io/company/rocketlab-2","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":80,"open_postings":77,"ghost_share":0,"stale_share":0.792,"repost_share":0,"time_to_fill_p50_days":39,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Long Beach, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":164500,"max":277275,"currency":"USD","period":"year","gross":null,"usd_annual":277275},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[],"status":"live","first_seen_at":"2026-10-08T18:22:47Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-12T08:54:19Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"ABOUT ROCKET LAB\nRocket 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.\nNEUTRON\nRocket Lab’s Neutron team is responsible for bringing our new large rocket Neutron and its launch and test sites to life. From designing and testing Neutron’s structures and components, to firing up its new Archimedes engines, to setting up Neutron’s launch pads and test sites across the United States, joining the Neutron team is your opportunity to help launch a new large rocket for the very first time. \nSENIOR PROPULSION ENIGNEER II\nAs a Senior Propulsion Engineer, you will play a critical role in the development, testing, and operation of the Archimedes Engine family, a cornerstone of the Neutron rocket program. You will take ownership of subsystems and engine operation, driving design, analysis, testing, and operational readiness. You will execute testing campaigns, analyze data, improve existing evaluation capability and refine designs for reliability and vehicle operations.\nThis role demands technical expertise, strong autonomy, and the ability to align teams and projects to achieve program goals. Principal Engineers will additionally drive value to teams outside their group, influencing cross-functional efforts and contributing to the broader success of the Neutron program.\nWHAT YOU’LL GET TO DO:\nDesign, analyze, test, fly, and refly next generation propulsion hardware ensuring operational readiness and flight success.\nDevelop and execute test plans, including qualification and acceptance testing, and conduct post-test data reviews to refine designs and processes.\nCollaborate across engineering disciplines to optimize engine performance, reliability, and manufacturability.\nGenerate high-level plans and prioritize tasks across teams, resolving competing priorities and ensuring alignment with program goals.\nMentor and guide engineers, fostering technical growth and collaboration.\nWork with manufacturing, testing and vehicle operation teams to support engine needs, operation, and resolve issues each part of the engine lifecycle.\nYOU’LL BRING THESE QUALIFICATIONS AS A SENIOR PROPULSION ENGINEER II: \nBachelor’s degree in mechanical engineering, aerospace engineering, or related field.\n8+ years of experience in rocket engine development, testing, or operations.\nStrong technical understanding of fluid dynamics, thermodynamics, cryogenic systems, and rocket engine architecture.\nFamiliarity with engine P&IDs, fluid system routing, and hotfire data reviews.\nTHESE QUALIFICATIONS WOULD BE NICE TO HAVE:\nAdvanced degree in a fluid mechanics-heavy field.\nExperience with ox-rich staged combustion systems and Methyl/LOX propellants.\nBackground in failure analysis, combustion dynamics, turbopump mechanics, and hydraulics.\nFamiliarity with reusable rocket engine systems and test/launch facility operations.\nExperience with best practices for design, qualification, and production.\nThis 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\nAnticipated annual equity grant value is designed around function, level, experience, and other factors; realized value depends on vesting and stock-price performance.\nJoin 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.\nOur 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.\nAdditional 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.\nLevel 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.\nTotal Compensation (base and equity)\n$164,500—$277,275 USD\nBase Salary\n$132,000—$220,000 USD\nWHAT TO EXPECT \nWe’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. \nImportant information:\nFOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY:\nTo 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.\nRocket 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.\nApplicants requiring a reasonable accommodation for the application/interview process for a job in the United States should contact Giulia Johnson at . 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.\nFOR CANDIDATES SEEKING TO WORK IN NEW ZEALAND OFFICES ONLY:\nFor 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. \nUnder 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.","description_format":"text","description_chars":7809,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity","Gym membership","Life insurance","Parental leave","Retirement plans"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Launch Services","Satellite Manufacturing"],"lifecycle":[{"event":"open","at":"2026-10-08T18:53:44Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 9 · green card filings: 1","filings_12m":9,"filings_prev_12m":4,"green_card_filings_12m":1,"median_offered_wage_usd":177500,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":3,"expected_fill_days":39,"reasons":["conf:3","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-12T06:55:09Z"},"pay":{"stated_usd_annual":277275,"is_top_pay":true},"html_url":"https://alion.io/job/rocket-lab-senior-propulsion-engineer-ii","json_url":"https://alion.io/job/rocket-lab-senior-propulsion-engineer-ii.json","meta":{"generated_at":"2026-10-12T09:33:46Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":14581,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":684473},"rest":"https://alion.io/mcp/rest/get_company?id=684473"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Frocket-lab-senior-propulsion-engineer-ii"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Frocket-lab-senior-propulsion-engineer-ii"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Frocket-lab-senior-propulsion-engineer-ii"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/rocket-lab-senior-propulsion-engineer-ii\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frocket-lab-senior-propulsion-engineer-ii"}]}