{"id":3985213,"url":"https://alion.io/job/the-exploration-company-propulsion-development-engineer","title":"Propulsion Development Engineer","company":{"id":51900,"name":"The Exploration Company","domain":"exploration.space","url":"https://alion.io/company/the-exploration-company","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":90,"open_postings":25,"ghost_share":0,"stale_share":0.2,"repost_share":0,"time_to_fill_p50_days":90,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Aerospace","role_family":"Aerospace","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Bordeaux, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":true,"relocation_package":true,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Verification & Validation","optional":false}],"status":"live","first_seen_at":"2026-11-09T17:57:05Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-09T21:23:36Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Here at The Exploration Company, we are building spacecraft for humanity.\nWe want you as a talented Propulsion Development Engineer to help us in our mission by supporting in the development, manufacturing and testing of the Nyx Earth Propulsion systems. In order to qualify the propulsion systems a multitude of tests will be required spanning from functional tests, cold flows to system level hotfires. This testing will allow for the verification and validation of all the propulsion subsystems. You will be designing test rigs to validate flight design, assembling and lastly performing the testing on the test rigs to provide critical data needed to validate simulation models.\nYou will report to the Propulsion Development Models Principal Engineer.\nKey responsibilities :\nIn your capacity as a Propulsion Development Engineer, you will be responsible for the on-time and on-cost design, development and testing activities linked to the propulsion sub-systems.\nYour role will be continuously evolving, but day-to-day responsibilities will include:\nDuring the Design Phase;\nDefine and maintain the test objectives and requirements\n\nEstablish and justify, together with the pressure and fluidic system engineers, the architecture and the design (P&ID, PBS, interfaces) of the models and test rigs\n\nDesign of thruster test rigs\n\nDefine and select components, parts and sensors and manage their procurement\n\nElaborate and maintain the schedule and cost, ensuring on-time and on-cost of the pressure system and the propellant feed system test rigs.\n\nCreate test procedures ensuring safe and efficient operation of all test rigs\n\nDuring assembly and testing phase\n\nSupport on the testing and assembly of thrusters\n\nPerform assembly, troubleshooting and commissioning of the test rigs\n\nPerform test campaigns, analyzing in real-time the test parameters and the test results with timely resolution of any anomaly arising during testing.\n\nConduct pre-test and post-test reviews and elaborate the test report.\n\nSupport on updating and correlate the fluidic models based on test results.\n\nPerform maintenance and upgrades of test rigs\n\nWhat we would love to see from you:\nA minimum of a bachelor's degree in a related Engineering discipline.\n\nOver 2 years of related experience in designing, building, and testing complex fluid systems.\n\nStrong engineering fundamentals in fluid dynamics\n\nProficiency in conducting fluid analyses using classical hand calculations\n\nExperience with CAD design\n\nExperience using data acquisition equipment, as well as test instrumentation and control components.\n\nExperience with the generation of test plans as well as planning and conducting development test campaigns.\n\nExperience in cold flow test operations of pressurization and feed systems\n\nExcellent collaboration skills for working effectively across departments.\n\nFluency in English.\n\nSkills and Behaviours:\nStrong oral and written communication skills.\n\nStrong analysis and problem-solving skills.\n\nStrong organizing and prioritization of tasks.\n\nPositive and flexible attitude to get the job done.\n\nAbility to communicate at all levels of the business.\n\nDemonstrates behaviours consistent with The Exploration Company’s core values of Mission, Vision, Integrity, Excellence and Teamwork.\n\nSpace enthusiast, ready to change the European space industry.\n\nWhy you should join us!\nWhat makes us special here at The Exploration Company and why we think you will enjoy working here is:\nWe’re Agile - we make decisions fast whilst keeping our goals and systems in mind\n\nWe’re Open and Collaborative - we are transparent about risks and obstacles, so that we can cooperate to overcome them\n\nWe have a lot of Fun - we refuel our energy knowing we are democratising space. It’s a wonderful and rare opportunity, are YOU up for the challenge?\n\nWe'd love to hear from you if you wish to be a part of our journey. Please submit your CV now for immediate consideration and we will be in touch shortly. \nThe Exploration Company is an equal opportunity employer and values diversity. We do not discriminate based on race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status. Relocation assistance is provided for those willing to relocate including visa sponsorship where applicable. \n\nAll offers are contingent upon the successful completion of a background check, which will be subject to the country, role, and project you applied for. By submitting your application, you acknowledge and agree that any offer of employment may be conditional upon successful condition of this check. The Exploration Company partners with Zinc Work Limited located in the UK (Zinc), a third-party provider, to ensure this process as efficient and transparent as possible. \nIf applicable, you will receive an email from Zinc upon acceptance of your offer with a link to a secure portal where you can provide the required information to Zinc.","description_format":"text","description_chars":4950,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Relocation assistance"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Aerospace Manufacturing","Space Services"],"lifecycle":[{"event":"open","at":"2026-11-09T21:23:36Z"}],"visa":[{"country":"FR","licensed_sponsor":false,"adverts_offering_sponsorship_24m":33,"sanctioned_now":false,"evidence":"Offered visa sponsorship in 33 of its adverts here in 24 months","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":null,"cap_exempt":false,"checked_at":"2026-11-09T07:32:21+00:00","sources":["Alion: sponsorship offered in the employer's own job adverts (24 months)"],"filings_for_role_12m":0}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":90,"reasons":["conf:2","win:early","comp:junior,brand"],"computed_at":"2026-11-09T23:41:03Z"},"pay":null,"html_url":"https://alion.io/job/the-exploration-company-propulsion-development-engineer","json_url":"https://alion.io/job/the-exploration-company-propulsion-development-engineer.json","meta":{"generated_at":"2026-11-09T23:41:03Z","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":13559,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":51900},"rest":"https://alion.io/mcp/rest/get_company?id=51900"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fthe-exploration-company-propulsion-development-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fthe-exploration-company-propulsion-development-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fthe-exploration-company-propulsion-development-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/the-exploration-company-propulsion-development-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fthe-exploration-company-propulsion-development-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3985213}},{"tool":"search_jobs","arguments":{"company":"exploration.space","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3985213},"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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