{"id":164854,"url":"https://alion.io/job/momentus-systems-architect-engineer","title":"Systems Architect Engineer","company":{"id":58682,"name":"Momentus","domain":"momentus.space","url":"https://alion.io/company/momentus","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Hardware","role_family":"Hardware","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Jose, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":160000,"max":200000,"currency":"USD","period":"year","gross":null,"usd_annual":200000},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Fortran","optional":false},{"name":"Julia","optional":false},{"name":"MATLAB","optional":false},{"name":"Python","optional":false},{"name":"Simulink","optional":false}],"status":"live","first_seen_at":"2026-06-02T23:59:16Z","employer_posted_date":"2026-08-18","last_verified_at":"2026-10-17T23:50:23Z","board_verified":true,"closed_at":null,"days_open":137,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":136},"description":"OUR COMPANY \nAs an early mover in the in-space transportation and infrastructure services, Momentus is at the forefront of the commercialization of space. With an experienced team of aerospace, propulsion, and robotics engineers, Momentus has developed a cost-effective and energy-efficient in-space transport system. \nOUR PEOPLE \nDaring problems require daring solutions. We boldly charge into uncharted territory knowing that no matter the outcome we will benefit from the journey and move closer to our goals no matter what. Our teams know that working at Momentus means more than building innovative technology, it means creating entirely new markets in the space economy. We are level-headed, business-minded strategic thinkers intent on providing immediate value to our customers today while simultaneously preparing for the vast possibilities of the future. If this sounds like you, we should talk. \nJOB SUMMARY \nWe are seeking a Systems Architect Engineer to support solution conceptualization and development for our next generation of advanced spacecraft. The ideal candidate should be accustomed to working in a fast-paced environment and enjoys working on high-level design, planning, and definition of complex systems.\nKey Responsibilities: \nAnalyze technical trade-offs of system and subsystem-level solutions and explore solution alternatives\nDevelop and maintain system models within a Model-Based Systems Engineering (MBSE) framework\nParticipate in defining solution roadmaps and requirements \nProvide technical leadership for spacecraft conceptual design\nWork closely with product managers, solution architects, and other engineers to validate customer, market, and technical assumptions\nRequired Skills and Experience \nExperience in modeling and simulation, computational physics, and/or multidisciplinary optimization \nExperience with Python, MATLAB/Simulink, Julia, Fortran, and/or C++ \nAbility to work independently \nExcellent technical communications skills \nGood written and verbal communication skills \nDesired Skills and Experience: \nExperience with spacecraft design, manufacture, and/or operations \nExperience with developing and scaling complex simulations in either cloud or cluster computing environments \nExperience with orbital mechanics and trajectory optimization \nFamiliarity with STK, FreeFlyer, or similar software\nFamiliarity with industry standard software development practices. \nPrevious experience working on DoD and other USG development and deployment programs \nAbility to hold and maintain a USG Security Clearance \nEducation & Work Experience: \nAdvanced degree in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Systems Engineering, or a closely related discipline \n +7 years relevant experience \nCompensation: \nAnnual Base Salary Range: $160,000.00 - $200,000.00/per year \nBase pay is one part of our total compensation package (base+bonus+equity) and is determined within a range. Your actual base salary will be determined on job-related knowledge and skills, education, experience, and location. Our benefit plans include medical, dental, and vision insurance, 401k retirement plan, short and long term disability and life insurance. We also offer flexible PTO, along with 11 paid holidays, sick time and paid parental leave. \nThis is a full-time position in San Jose, California. This position requires access to export-controlled commodities, technical data, technology, software, and services. U.S. citizenship, U.S. legal permanent resident status, or protected person status under 8 U.S.C. § 1324b(a)(3) is required. \nAll qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. \nTo all recruitment agencies: Momentus does not accept agency resumes. Please do not forward resumes to our employees or any company email. 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