{"id":3412641,"url":"https://alion.io/job/voyager-technologies-lead-propulsion-engineer","title":"Lead Propulsion Engineer","company":{"id":2451,"name":"Voyager Technologies","domain":"voyagertechnologies.com","url":"https://alion.io/company/voyager-technologies","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":5,"ghost_share":0,"stale_share":0.8,"repost_share":0,"time_to_fill_p50_days":50,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Aerospace","role_family":"Aerospace","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Mojave, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":160000,"max":240000,"currency":"USD","period":"year","gross":null,"usd_annual":240000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ANSYS","optional":false},{"name":"C++","optional":false},{"name":"MATLAB","optional":false},{"name":"Python","optional":false},{"name":"SolidWorks","optional":false},{"name":"Thermal Desktop","optional":false}],"status":"live","first_seen_at":"2026-10-28T17:13:34Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-11-02T11:08:06Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Voyager is an innovative space, defense, and national security technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex challenges to unlock new frontiers for human progress, fortify national security, and protect critical assets to lead in the race for technological and operational superiority from ground to space. \nForge the Future: Join Voyager Technologies \nThe future belongs to those who build it. At Voyager Technologies, we’re building technologies that protect lives, expand frontiers and prepare us for what’s next. And we’re doing that with people who are wired to solve, build, adapt and lead. These roles are not for the faint of heart. \nYou’ll help lay the foundation for humanity's future. Join a culture where innovation thrives, curiosity is rewarded, and impact is real. We’re a company of doers, thinkers and builders, united by purpose and grounded in reality. \nIf you want to put your skills to work where the stakes are real and the mission is bigger than any one person,forge the future with Voyager. \nLead Propulsion Engineer\nThis is a critical leadership position tasked to direct and grow the propulsion team that is driving the development of Voyager’s portfolio of cryogenic propulsion technologies. This position requires team leadership abilities based in significant propulsion system design, analysis, and testing experience. Comprehensive experience with the development of bi-propellant cryogenic propulsion systems is required. \nThis position is part of the Voyager propulsion team located in Mojave, CA.\nJob Responsibilities:\nLead the propulsion team in the development of new rocket propulsion systems\nProvide technical direction to propulsion engineers across all elements of the work scope including design, analysis, integration, test, and operations\nAssure that technical work of the propulsion team aligns with company and team best practices and processes across all projects\nOffer regular and consistent mentoring to propulsion engineers regarding performance, career development, work-life balance, and other individual priorities\nWork with the chief engineering office to align strategic technical plans with business development goals, and support proposal creation\nCreate work scopes, labor and material cost estimates, and risk assessments to support project management\nCoordinate with lead engineers of other subsystems to jointly execute to meet project goals\nMaintain overarching responsibility for all aspects of the integrated main engine systems, with incorporation into the flight vehicle architectures\nDesign and analyze cryogenic propulsion systems including combustion devices, valves, propellant feed lines, tanks, turbomachinery, and pressurization systems \nDesign and analyze combustion device elements including injectors, combustion chambers, nozzles, gas generators, cooling channels, and related technology\nCreate and review propulsion system fluid-thermal models to guide design and operational decisions\nLead the creation and review of hardware drawings to support manufacturing\nCreate and review component specifications to guide vendor interactions and support procurement\nDevelop and review instructions to direct the manufacturing, assembly, and integration of propulsion systems and components\nDevelop and review test plans, lead technical readiness and safety reviews, and execute tests for component and integrated system testing.\nRequired Skills & Qualifications:\nB.S. in Aerospace, Mechanical, or similar engineering degree\nHold 10+ years of relevant experience in rocket propulsion system development, with 5+ years in cryogenic systems (Methane and LOX preferred)\nDemonstrated ability to coordinate a technical team of 3 or more engineers in a multi-year project, driving propulsion system development and test\nDemonstrated decision making with informed risk to properly balance quality, cost, and schedule across a project that includes non-propulsion subsystems\nSuccessful experience in a role requiring people leadership skills\nExperience in propulsion system design, analysis, manufacture, integration, and test\nAbility to take ownership of and prioritize tasks for a team supporting multiple projects\nEffective verbal and written communication, including reports and technical presentations\nPreffered Skills & Qualifications:\nKnowledge of propulsion system cycles and performing system-level engine modeling \nProficient in fluid/thermal software for rocket engine development (e.g. GFSSP, ROCETS, RTE, RPA) and for system level modeling (Amesim or Thermal Desktop)\nExperience with CAD (SolidWorks preferred) and lifecycle management tools\nExperience with Computational Fluid Dynamics (ANSYS Fluent or CFX preferred)\nExperience leveraging additive manufacturing in engine design \nAnalytical/scientific programming (Python, C/C++, Matlab)\nExperience with advanced rocket engine designs and concepts, especially RDRE’s\nExperience with rocket turbopumps\nExperience in pressure vessel design, fabrication, requirements, and/or qualification testing\nVoyager offers a highly competitive total compensation package designed to support the well-being, growth, and success of our employees. Employees benefit from a flexible and comprehensive rewards program that supports both professional and personal well-being. \nFlexible Time Off (FTO), empowering employees to take the time they need to recharge and maintain a healthy work-life balance\nComprehensive medical, dental, and vision coverage for employees and their families, with a significant portion of premiums covered by the company and many benefits paid at 100% for employees\nFlexible, affordable gym memberships with 12,700+ options nationwide, including 24 Hour Fitness, EoS Fitness, Crunch Fitness, Anytime Fitness, Blink Fitness, Chuze Fitness, and more! No long-term contracts and FREE on-demand workout videos before you enroll\n401(k) retirement plan with a 50% company match on contributions up to 8%, supporting long-term financial security\nCompany wellness programs that support physical and mental well-being\nAdditional voluntary benefits and employee support resources\nThe opportunity to work alongside a highly talented team in an innovative, mission-driven environment\nVoyager is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status, or other characteristics protected by law. \nTo conform to U.S. Government export regulations, including the International Traffic in Arms Regulations (ITAR) (22 CFR Parts 120-130) and the Export Administration Regulations (EAR) (15 CFR Parts 730-774), applicants for this position must be a U.S. Person: a US Citizen, a lawful permanent resident of the U.S., or a protected individual as defined by 8 U.S.C. § 1324b(a)(3). Applicants must be eligible to obtain any required export authorizations from the U.S. Department of State or the U.S. Department of Commerce. \nMinority/Female/Disabled/Veteran \nThe statements contained in this job description are intended to describe the general content and requirements for performance of this job. It is not intended to be an exhaustive list of all job duties, responsibilities, and requirements. This job description is not an employment agreement or contract. Management has the exclusive right to alter the scope of work within the framework of this job description at any time without prior notice. \nCalifornia pay range\n$160,000—$240,000 USD","description_format":"text","description_chars":7616,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Flexible time off","Gym membership","Retirement plans","Wellness"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Aerospace Manufacturing","Space Services","Defense Manufacturing"],"lifecycle":[{"event":"open","at":"2026-10-28T18:24:07Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":4,"expected_fill_days":50,"reasons":["conf:3","velocity","win:early","comp:brand"],"computed_at":"2026-11-02T06:13:15Z"},"pay":{"stated_usd_annual":240000,"is_top_pay":true},"html_url":"https://alion.io/job/voyager-technologies-lead-propulsion-engineer","json_url":"https://alion.io/job/voyager-technologies-lead-propulsion-engineer.json","meta":{"generated_at":"2026-11-02T12:43:49Z","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":17313,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-03T00:00:00Z"}},"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":2451},"rest":"https://alion.io/mcp/rest/get_company?id=2451"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fvoyager-technologies-lead-propulsion-engineer"},{"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%2Fvoyager-technologies-lead-propulsion-engineer"},{"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%2Fvoyager-technologies-lead-propulsion-engineer"},{"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/voyager-technologies-lead-propulsion-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fvoyager-technologies-lead-propulsion-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3412641}},{"tool":"search_jobs","arguments":{"company":"voyagertechnologies.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3412641},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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