{"id":3227564,"url":"https://alion.io/job/firefly-aerospace-mechanical-engineer-iii","title":"Mechanical Engineer III","company":{"id":63753,"name":"Firefly Aerospace","domain":"fireflyspace.com","url":"https://alion.io/company/firefly-aerospace-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Cedar Park, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":68000,"max_usd":124000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":4330},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ANSYS","optional":false},{"name":"Femap","optional":false},{"name":"Nastran","optional":false},{"name":"Siemens NX","optional":false}],"status":"live","first_seen_at":"2026-10-22T00:00:00Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-27T13:30:18Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"ABOUT FIREFLY AEROSPACE\nFirefly Aerospace is a space and defense technology company that enables our world to launch, land, and operate in space - anywhere, anytime. As the partner of choice for critical space missions, Firefly is the only commercial company to launch a satellite to orbit with 24-hour notice and the only company to achieve a successful Moon landing. Our launch vehicles, lunar landers, and orbital vehicles provide government and commercial customers with full mission services from low Earth orbit to the Moon and beyond. Headquartered in north Austin, Texas, Firefly is looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.\nSUMMARY\nFirefly is looking for talented Mechanical or Aerospace Engineers to join our Primary Structures Team. As a Senior or Lead Structures Responsible Engineer for Primary Structures, you will develop our state-of-the-art pressurized structures throughout the product life cycle for Launch Vehicles. You will be part of a highly skilled, dynamic team that will involve you in all aspects of analysis, design, fabrication, and testing. Excellent collaboration and communication skills, along with a can-do attitude are critical.\nRESPONSIBILITIES\nFormulate the comprehensive cradle to grave Road Map for your hardware - owning conceptual design, structural layout, sizing analysis, hardware production, and structural testing\nDesign and development of composite pressurized structures\nMass optimization of existing designs and requalifying designs\nSupporting products from conceptual creation, design release, analysis, prototype, qual and production\nSupport configuration development and trade studies\nMaintain requirements, activity schedule, budget, and status\nCreate CAD, manufacturing drawings, specifications, and other documentation\nPerform first order strength and sizing calculations for your structure\nQUALIFICATIONS\nRequired\nB.S. degree in aerospace or mechanical engineering\n6+ years of experience in a structural system design-related role\nStrong design and integration skills using 3-D CAD software (Siemens NX / FiberSim preferable).\nAbility to effectively work in a multi-discipline team and provide technical guidance and insight.\nExperience with industry FEA/FEM tools like Nastran, ANSYS, FEMAP, Simcenter, etc.\nA passion for the structures!\nDesired\nExperience taking hardware from analysis, through test, and back through analysis validation\nFamiliarity with aerospace standard structural analysis methods (Bruhn, Niu, Roark, etc)\nWorking knowledge of composite manufacturing methods, material selection, testing, and characterization\nDemonstrated experience with composite structures and manufacturing techniques\nBonus Points\nExperience with Pressurant or Propellant tanks\nExperience with filament wound and/or AFP structures\nPassion for very big Pressurized Structures.\nFirefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low plan deductibles, parental leave, relocation benefits, educational reimbursement, short term disability, and flexible PTO options.\nTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.\nFirefly Aerospace, Inc. is an Equal Opportunity Employer; employment with Firefly is governed based on merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.","description_format":"text","description_chars":3888,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Parental leave"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Space & Aerospace"],"lifecycle":[{"event":"open","at":"2026-10-25T06:26:11Z"}],"visa":[],"liveness":{"score":42,"band":"fade","label":"Fading","p_open":1,"p_active":0.768,"p_room":0.55,"age_days":5,"expected_fill_days":5,"reasons":["conf:2","velocity","win:tail","comp:brand"],"computed_at":"2026-10-27T05:46:45Z"},"pay":null,"html_url":"https://alion.io/job/firefly-aerospace-mechanical-engineer-iii","json_url":"https://alion.io/job/firefly-aerospace-mechanical-engineer-iii.json","meta":{"generated_at":"2026-10-27T18:08:28Z","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":7959,"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":63753},"rest":"https://alion.io/mcp/rest/get_company?id=63753"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffirefly-aerospace-mechanical-engineer-iii"},{"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%2Ffirefly-aerospace-mechanical-engineer-iii"},{"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%2Ffirefly-aerospace-mechanical-engineer-iii"},{"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/firefly-aerospace-mechanical-engineer-iii\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffirefly-aerospace-mechanical-engineer-iii"}]}