{"id":3226648,"url":"https://alion.io/job/blue-origin-engineer-fluid-systems-sr-2","title":"Engineer - Fluid Systems Sr","company":{"id":3698,"name":"Blue Origin","domain":"blueorigin.com","url":"https://alion.io/company/blueorigin","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":92,"open_postings":247,"ghost_share":0,"stale_share":0.312,"repost_share":0.004,"time_to_fill_p50_days":45,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Seattle, United States","Denver, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":133500,"max":186898,"currency":"USD","period":"year","gross":null,"usd_annual":186898},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"GD&T","optional":false}],"status":"live","first_seen_at":"2026-10-23T00:00:00Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-10-29T13:41:47Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Application close date:\nApplications will be accepted on an ongoing basis until the requisition is closed.At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We’re working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight!\nThis role is part of the Lunar Permanence business unit, which develops Blue Origin’s Blue Moon landers and related products. To further Blue Origin's mission of millions of people living and working in space for the benefit of Earth, we are building sustainable infrastructure for our transport of crew and cargo from Earth to the lunar surface.As part of a high-performing team of engineers, specialists, and technicians, we are seeking a Senior Fluids Engineer with expertise in fluid dynamics to develop advanced fluid management technologies for waste management applications in space. This role focuses on the research, design, analysis, and validation of two-phase fluid separation systems, advancing the understanding of complex liquid-gas flow behavior across multiple flow regimes in microgravity, and developing innovative fluid system solutions for space vehicles.\nThe ideal candidate has a strong background in fluid dynamics, two-phase flow, thermal-fluid systems, and engineering analysis, with the ability to translate complex physics into practical hardware designs. Success in this role requires collaboration across multidisciplinary engineering teams, a hands-on approach to testing and validation, and a commitment to delivering reliable, high-performance fluid systems.\nThis position offers the opportunity to directly contribute to the future of human space exploration by developing technologies that enable safe, reliable, and repeatable missions supporting humanity's return to the Moon.\nSpecial Mentions\nRelocation provided\nTravel expected up to 30% of the time\nInterviews will include a technical assessment\nResponsibilities include but are not limited to:\nDevelop, model, and validate fluid systems using analytical methods and simulation tools.\nDevelop design drawing generation and analysis to the production release processes\nDesign, execute, and analyze experiments to characterize system performance and validate design assumptions.\nCollaborate with multidisciplinary engineering teams to integrate fluid systems into aerospace and spaceflight vehicles.\nPrepare technical documentation, engineering reports, and design presentations for internal and external stakeholders.\nEnsure fluid system designs comply with applicable safety, quality, and regulatory requirements.\nParticipate in technical and design reviews, providing engineering recommendations to drive continuous product improvement.\nMinimum Qualifications\n10 years aerospace or fluids engineering degree (or similar discipline)\nKnowledge of liquid-gas two-phase flow, including flow regimes, pressure drop, and phase separation.\nExperience with microfluidics, capillary-driven flow, and fluid behavior in microgravity environments.\nProficiency in Creo Parametric, Model Based Definition and Structural Analysis.\nProficiency in standard fits, tolerance stacks, and GD&T analysis (ASME Y14.5).\nMust be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.\nPreferred Qualifications\nExperience with air-liquid separators and two-phase flow systems, including design, analysis, testing, and performance evaluation.\nExperience with Computational Fluid Dynamics (CFD) for airflow, thermal, and fluid flow simulations to validate and optimize engineering designs.\nKnowledge of typical use, constraints, and specification of fluid components typical in tubing and piping systems (valves, regulators, pumps, etc.).\nKnowledge of standard components, installation, and fabrication methods of piping systems (pipe stock, fittings, connections, valves, fasteners, structural members, fittings, welding, etc.)\nExperience with electrical control systems and architectures used for fluid system valve actuation, including command, power, instrumentation, and feedback interfaces.\nBase Pay Range for:\nCO applicants is $133,500.00 - $186,898.95\nWA applicants is $145,188.00 - $203,263.20Other site ranges may differ\nCulture Statement\nDon’t meet all desired requirements? Studies have shown that some people are less likely to apply to jobs unless they meet every single desired qualification. At Blue Origin, we are dedicated to building an authentic workplace, so if you’re excited about this role but your past experience doesn’t align perfectly with every desired qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.\nExport Control Regulations\nApplicants for employment at Blue Origin must be a U.S. citizen or national, U.S. permanent resident (i.e. current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.\nBackground Check\nRequired for all positions: Blue’s Standard Background Check\nRequired for Certain Job Profiles: Defense Biometric Identification System (DBIDS) background check if at any time the role requires one to be on a military installation\nRequired for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs. and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training.\nRequired for certain Job Profiles: Ability to obtain and maintain Merchant Mariner Credential, which includes pre-employment and random drug testing as well as DOT physical\nBenefits\nBenefits include: Medical, dental, vision, basic and supplemental life insurance, paid parental leave, short and long-term disability, 401(k) with a company match of up to 5%, and an Education Support Program.\nStock Options for all regular employees (working at least 20 hours/week)\nPaid Time Off: Up to four (4) weeks per year based on weekly scheduled hours, and up to 14 company-paid holidays.\nDependent on role type and job level, employees may be eligible for benefits and bonuses based on the company's intent to reward individual contributions and enable them to share in the company's results, or other factors at the company's sole discretion. Bonus amounts and eligibility are not guaranteed and subject to change and cancellation. Please check with your recruiter for more details. \nEqual Employment Opportunity\nBlue Origin is proud to be an Equal Opportunity/Affirmative Action Employer and is committed to attracting, retaining, and developing a highly qualified and dedicated work force. Blue Origin hires and promotes people on the basis of their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, sex, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law. Blue Origin will consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state, and local laws, including the Washington Fair Chance Act, the California Fair Chance Act, the Los Angeles Fair Chance in Hiring Ordinance, and other applicable laws. For more information on “Know Your Rights,” please see here.\nAffirmative Action and Disability Accommodation\nApplicants wishing to receive information on Blue Origin’s Affirmative Action Plans, or applicants requiring a reasonable accommodation in order to participate in the application and/or interview process, please contact us at . Please note this is a publicly managed inbox. 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