{"id":142554,"url":"https://alion.io/job/constellr-payload-flight-software-engineer","title":"Payload Flight Software Engineer","company":{"id":51874,"name":"constellr","domain":"constellr.com","url":"https://alion.io/company/constellr","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"role":"Hardware","role_family":"Hardware","seniority":"middle","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Munich, Germany","Germany"],"countries":["DE"],"hiring_countries":["DE"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":59000,"max_usd":137000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":723},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"Python","optional":false},{"name":"Agile","optional":true},{"name":"C++","optional":true},{"name":"Java","optional":true},{"name":"Lua","optional":true}],"status":"live","first_seen_at":"2026-08-07T15:14:16Z","employer_posted_date":"2026-09-23","last_verified_at":"2026-10-16T09:43:48Z","board_verified":true,"closed_at":null,"days_open":69,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":69},"description":"Job description\nTeam & Reporting Line: Imaging Operations \nOur Mission \nAt constellr, we use thermal intelligence from space to understand what is happening on Earth - where, when and at scale. Our satellite constellation delivers high-resolution land surface temperature data, giving governments, defence organisations, commercial operators and global institutions the intelligence they need to monitor change, assess risk and make better-informed decisions.\nFrom national security and critical infrastructure to agriculture and climate resilience, constellr turns temperature into actionable intelligence for a changing world.\nYour Role\nAs part of the constellr Imaging Operations team, you will build, maintain, and operationalize our onboard payload software - carrying the payload from commissioning through to day-to-day in-orbit operations across the satellite's full lifecycle.\nThis is a hands-on, high-impact role focused on turning flight software into reliable, operational reality. You will be involved in the design and contribute operational feedback that helps shape it, you will drive the operationalization of in orbit payload software, supporting operations, anomaly solving and commissioning on each new satellite.\nYou'll collaborate closely across the business - working day-to-day with internal engineering teams, Product Assurance, Project Management, and Operations, as well as external suppliers - and you'll operate at a high interface with the hardware and operations teams, ensuring the software runs reliably on the payload hardware.\nYour work will directly influence the reliability, performance, and long-term success of constellr's mission, helping turn mission concepts into robust, flight-ready, operational software systems.\nKey responsibilities\nDevelop, test, and maintain high-reliability onboard payload software, with a focus on making it operational and flight-ready in compliance with product assurance and safety standards.\nSupport the commissioning of the payload and on-orbit activities for each new satellite in the constellation.\nSupport in-orbit operations and the operations team, ensuring the onboard software performs reliably in flight.\nProvide operational feedback into software requirements and design across onboard satellite systems, collaborating with cross-functional stakeholders.\nContribute to the evolution of onboard software architecture, with emphasis on in-orbit operational systems and laboratory-based validation environments.\nSupport the implementation and validation of Fault Detection, Isolation and Recovery (FDIR) strategies to ensure the resilience and autonomy of onboard systems.\nWork at a high interface with the hardware team to make the software operational on the payload hardware.\nSupport the delivery of new software features and upgrades, working closely with external suppliers and development partners.\nSupport verification and validation activities for onboard systems and flight software, from laboratory testing through to in-orbit performance.\nContribute to integration and testing activities using Flatsat environments and other ground-based simulation and validation platforms.\nSupport the investigation and resolution of payload anomalies and non-conformance issues, contributing to continuous improvement and system reliability.\nHelp define and enhance the in-orbit software update process for satellites within the constellation fleet.\nChampion strong configuration management practices across onboard software components to ensure traceability, integrity, and control.\nDevelop and optimize tools for ground-based and in-flight testing, including automation frameworks, to elevate the reliability and efficiency of satellite command execution.\nJob requirements\nAbout you \nRequired: \nWe're looking for someone with strong engineering fundamentals and real-world experience building software for complex, safety-critical or aerospace systems.\nDegree in Aerospace Engineering, Software Engineering, Computer Science, or a related field.\nAt least 4 years of experience in software development or software assurance, ideally in aerospace or other safety-critical domains.\nExperience with embedded software development.\nSolid grounding in software engineering principles, development methodologies, and lifecycle management tools.\nExperience with software testing frameworks, tools, and processes.\nStrong practical experience using Git and working within CI/CD pipelines.\nProficiency in Python.\nSolid understanding of common communication protocols across various layers of the stack (e.g., CCSDS, CSP).\nNice to Have: \nThese skills would further strengthen your profile, but are not essential:\nExperience with satellite commanding systems and procedures.\nFamiliarity with satellite operations, including both onboard and ground-based Fault Detection, Isolation, and Recovery (FDIR) processes.\nExperience with scripting languages such as Bash and Lua\nExperience with Java, C, or C++\nWhy join constellr?\nHigh-Impact National Security Mission: Be part of an ambitious mission to launch the world’s first commercial thermal infrared constellation, delivering sovereign-grade \"behavioural\" intelligence from space to close critical blind spots for defence, intelligence, and maritime surveillance agencies.\nFast-Paced \"New Space\" Innovation: Work at the leading edge of a rapidly evolving defence sector. By leveraging modern, agile New Space methodologies, you will help design, build, and deploy dual-use thermal payloads into operational orbit at a speed and scale that traditional aerospace models simply cannot match.\nBroad Interdisciplinary Exposure: Accelerate your professional growth by collaborating daily with a diverse, international cohort of astrophysicists, software developers, and defence-system engineers.\nInclusive & Scientific Culture: Join a high-trust team deeply committed to diversity, inclusion, and scientific excellence, where academic curiosity is paired with high autonomy and a flat hierarchy.\n Financial Upside & Well-being: Benefit from a Virtual Share Option Plan (VSOP) for permanent employees, giving you a true stake in the company's growth, alongside highly flexible hybrid working models.","description_format":"text","description_chars":6206,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Hybrid work"],"hiring_locations":[{"name":"Germany","iso":"DE","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["AgTech","Satellite Manufacturing","Earth Observation"],"lifecycle":[{"event":"open","at":"2026-08-07T15:14:16Z"}],"visa":[],"liveness":{"score":18,"band":"cold","label":"Long shot","p_open":1,"p_active":0.501,"p_room":0.35,"age_days":69,"expected_fill_days":23,"reasons":["conf:1","velocity","win:tail"],"computed_at":"2026-10-16T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/constellr-payload-flight-software-engineer","json_url":"https://alion.io/job/constellr-payload-flight-software-engineer.json","meta":{"generated_at":"2026-10-16T12:50:44Z","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":12102,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-17T00:00:00Z"}},"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":51874},"rest":"https://alion.io/mcp/rest/get_company?id=51874"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fconstellr-payload-flight-software-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%2Fconstellr-payload-flight-software-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%2Fconstellr-payload-flight-software-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/constellr-payload-flight-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fconstellr-payload-flight-software-engineer"}]}