{"id":226454,"url":"https://alion.io/job/muon-space-senior-photovoltaics-solar-array-engineer-solar-deployables","title":"Senior Photovoltaics / Solar Array Engineer - Solar & Deployables","company":{"id":4799,"name":"Muon Space","domain":"muonspace.com","url":"https://alion.io/company/muon-space","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":86,"open_postings":14,"ghost_share":0,"stale_share":0.571,"repost_share":0,"time_to_fill_p50_days":52,"computed_at":"2026-10-27T05:46:45Z"}},"role":"Aerospace","role_family":"Aerospace","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":["San Jose, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":173000,"max":193000,"currency":"USD","period":"year","gross":null,"usd_annual":193000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"MATLAB","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-08-14T02:39:15Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-27T02:42:04Z","board_verified":true,"closed_at":null,"days_open":74,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":74},"description":"About the role\nMuon seeks a Senior Photovoltaics / Solar Array Engineer to own the design, qualification, and sustainment of the photovoltaic systems that power our spacecraft - solar cell selection and test, encapsulation and lamination, array electrical architecture, and array-level performance prediction. This role owns the array from cell coupon through qualified flight hardware, optimizing total system efficiency across mass, power, and cost.\nYou'll be a foundational member of our new Solar & Deployables hardware group, serving as technical owner of the photovoltaics pillar. Starting from Muon's platform building blocks, you'll tailor designs to mission requirements, partner closely with solar cell vendors and manufacturers, and make key decisions that balance power performance, reliability, cost, and schedule.\nDue to the hands-on nature of this role, it requires onsite work at our San Jose, CA location three days a week.\nResponsibilities\nServe as the technical owner for photovoltaic systems - cells, encapsulation, and array electrical architecture - for assigned missions\nLead solar cell selection and qualification, including procurement specifications, screening, and radiation/thermal performance characterization\nBuild and manage partnerships with solar cell vendors and manufacturers, from cell procurement through co-development of array assemblies\nDefine array electrical architecture: string sizing, blocking/bypass diode strategy, grounding and bonding, and layout\nOptimize total system efficiency - trading mass, power, and cost at the array and spacecraft level\nDevelop and maintain array performance predictions (BOL/EOL, radiation degradation, thermal derating) and reconcile them against test and on-orbit data\nOwn encapsulation, lamination, and bonding processes for panel assembly; partner with manufacturing on work instructions, tooling, and yield improvements\nOwn array and coupon qualification, including environmental test (vibration, TVAC, thermal cycling) and acceptance data packages\nWork with mechanical, structural, and thermal engineers to iterate array designs for performance and manufacturability; support make vs. buy decisions\nDocument and champion photovoltaics best practices and design standards; contribute to design reviews (PDR, CDR, MRR)\nMentor junior engineers and technicians, and drive arrays to scale from prototype builds to constellation quantities\nRequired Qualifications\n8+ years of experience designing, building, and testing high-reliability hardware, including 5+ years with solar arrays or photovoltaic systems\nStrong understanding of solar cell physics, with hands-on experience across single, double, and triple junction cells\nHands-on experience with one or more of: space solar cell selection/screening, encapsulation/lamination, or array electrical design\nWorking knowledge of array performance prediction (BOL/EOL, radiation and thermal effects) and power budgeting\nExperience with array or coupon qualification, including environmental test (TVAC, vibration, thermal cycling)\nStrong systems-level thinking across electrical, mechanical, thermal, and power domains\nStrong skills with drawings, GD&T, BOMs, and mass/power budgets; proficiency with standard tools (CAD, PLM, test equipment)\nExtensive documentation capabilities: build procedures, test plans, design trades\nExperience working with external vendors for part development and manufacturing\nExcellent communication, presentation, and cross-functional coordination skills\nB.S. or higher in Electrical Engineering, Mechanical Engineering, Materials Science, Physics, or related field\nNice-to-have Skills\nFlight heritage - solar array hardware you designed that has successfully operated in space\nDirect experience with IMM space solar cells and coverglass selection\nExperience with array electrical modeling and radiation-degradation methods (e.g., EQFLUX / displacement damage dose)\nExperience defining or running in-house panel lamination processes\nFamiliarity with grounding, bonding, and ESD/arcing mitigation for high-voltage arrays\nExperience with array substrate/panel mechanical design and integration with deployables\nSoftware skills in Python, MATLAB, or similar\nSalary\nThe salary range for this role is $173,000 - $193,000, plus a competitive equity grant and comprehensive benefits package. Final compensation will be determined based on skills, qualifications, experience, and geographic location as assessed during the interview process. \nAbout Muon Space\nFounded in 2021, Muon Space is an end-to-end Space Systems Provider that designs, builds, and operates LEO satellite constellations delivering mission-critical data. Our revolutionary, integrated technology stack enables customers to optimize every dimension of their missions for faster time-to-orbit and superior constellation remote sensing performance. Our state-of-the-art facility in the heart of Silicon Valley is optimized for manufacturing spacecraft and rapid, flexible payload integration at scale. From climate monitoring to national security, Muon Space is dedicated to delivering Earth Intelligence for a safer and more resilient world.\nTaking Care of Our Team\nAt Muon salary is only part of our total compensation package. In addition to salary, full-time employees receive equity compensation as well as benefits including medical, dental, and vision insurance, a 401k retirement plan, short & long term disability and life insurance. We also offer three weeks paid vacation for new employees, along with 12 paid holidays, unlimited sick time and paid parental leave. \nOur mission embraces the entire planet and we believe our team should too. Muon is dedicated to creating a diverse and dynamic company and workforce. We believe in equal employment opportunity regardless of race, color, ancestry, religion, sex, age, national origin, citizenship, sexual orientation, marital status, disability, or gender identity. We value diversity in the workplace, and that starts with our applicants. We encourage you to apply, even if you don't check all the boxes, and we look forward to reviewing your application! In addition, if you need a reasonable accommodation as part of your application for employment or interviews with us, please let us know.\nMuon is currently registered and able to hire in the following states:\nAL, AZ, CA, CO, CT, DC, FL, GA, IL, IA, ID, MD, MA, MI, MN, MO, NJ, NY, NC, OH, OR, PA, TN, TX, VT, VA, WA\nITAR/EAR Requirements\nThis position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. The Company may, for legitimate business reasons, decline to pursue any export licensing process.","description_format":"text","description_chars":7155,"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":true,"languages":[]},"benefits":["401k plan","Equity","Life insurance","Parental leave","Retirement plans","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Solar Energy","Satellite Manufacturing","Earth Observation","Space Services"],"lifecycle":[{"event":"open","at":"2026-09-05T09:23:37Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"Filed H-1B visas in the last two years","filings_12m":0,"filings_prev_12m":1,"green_card_filings_12m":0,"median_offered_wage_usd":null,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":24,"band":"cold","label":"Long shot","p_open":1,"p_active":0.553,"p_room":0.44,"age_days":74,"expected_fill_days":52,"reasons":["conf:3","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-27T05:46:45Z"},"pay":{"stated_usd_annual":193000,"is_top_pay":true},"html_url":"https://alion.io/job/muon-space-senior-photovoltaics-solar-array-engineer-solar-deployables","json_url":"https://alion.io/job/muon-space-senior-photovoltaics-solar-array-engineer-solar-deployables.json","meta":{"generated_at":"2026-10-27T06:56:20Z","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":7216,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"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":4799},"rest":"https://alion.io/mcp/rest/get_company?id=4799"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmuon-space-senior-photovoltaics-solar-array-engineer-solar-deployables"},{"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%2Fmuon-space-senior-photovoltaics-solar-array-engineer-solar-deployables"},{"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%2Fmuon-space-senior-photovoltaics-solar-array-engineer-solar-deployables"},{"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/muon-space-senior-photovoltaics-solar-array-engineer-solar-deployables\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmuon-space-senior-photovoltaics-solar-array-engineer-solar-deployables"}]}