{"id":1627728,"url":"https://alion.io/job/spacenexus-simulation-software-engineer-vehicle-engineering","title":"Simulation Software Engineer (Vehicle Engineering)","company":{"id":2086894,"name":"SpaceNexus","domain":"spacenexus.us","url":"https://alion.io/company/spacenexus","size_band":"1-10","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":{"grade":"A","score":100,"open_postings":4,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":13,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hawthorne, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":125000,"max":160000,"currency":"USD","period":"year","gross":null,"usd_annual":160000},"salary_estimate":null,"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"C++","optional":false},{"name":"Gazebo","optional":true},{"name":"ROS2","optional":true}],"status":"live","first_seen_at":"2026-09-22T00:44:16Z","employer_posted_date":"2026-09-22","last_verified_at":"2026-10-17T05:55:24Z","board_verified":true,"closed_at":null,"days_open":25,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":25},"description":"SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.\nSIMULATION SOFTWARE ENGINEER (VEHICLE ENGINEERING)\nAs a Software Engineer on the Simulations team, you will design, develop, and test our in-house simulation software supporting all SpaceX flight systems. You will program the core simulation infrastructure and collaborate on the building of models of fluids, electronics, and multi-body physics systems. This is a high impact role where you will work across the engineering groups to build high fidelity simulations used to develop cutting-edge software and hardware. Our simulation software is critical to current and future mission successes including Falcon, Falcon Heavy, Dragon, Starlink, and Starship. SpaceX is looking for smart, motivated software engineers who enjoy taking on complex challenges, work well in dynamic environments and care about software best practices.\nHelp us build world class software that is critical to SpaceX mission to Mars.\nRESPONSIBILITIES:\nDevelop and maintain the high-fidelity real-time simulation software used for all vehicles\nDevelop prototypes to prove out key design concepts and quantify technical constraints\nMaintain the highest standards of excellence, never settle for the status quo\nImprove reliability and performance of simulation software\nWork with simulation software users to develop new features and improve user experiences\nBASIC QUALIFICATIONS:\nBachelor's degree in computer science, engineering, math, or STEM discipline; OR 2+ years of professional experience in software development in lieu of a degree\n1+ years development experience in C++\nPREFERRED SKILLS AND EXPERIENCE:\nStrong software design and development skills in C++\nUnderstanding of distributed computing systems, networking protocols, memory management, and CPU scheduling\nThorough knowledge of classical physics and math (algebra, calculus, Euclidean geometry)\nStrong skills in debugging, performance optimization and unit testing\nCreative approach to problem solving\nExperience with open source C++ simulators such as ROS2 and Gazebo\nAbility to work effectively in a dynamic environment with changing needs and requirements\nAbility to work independently and in a team, take initiative, and communicate effectively\nADDITIONAL REQUIREMENTS:\nWilling to work extended hours and weekends when needed\nCOMPENSATION AND BENEFITS:\nPay Range:\nLevel 1: $125,000.00 - $160,000.00\nLevel 2: $145,000.00 - $195,000.00\nYour actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.\nBase salary is just one part of your total rewards package at SpaceX. You may also be eligible for long-term incentives, in the form of company stock or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short and long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks. You may also accrue 3 weeks of paid vacation and will be eligible for 10 or more paid holidays per year. Employees accrue paid sick leave pursuant to Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law.\nITAR REQUIREMENTS:\nTo conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here .\nSpaceX is an Equal Opportunity Employer; employment with SpaceX is governed on the basis of 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.\nApplicants wishing to view a copy of SpaceX’s Affirmative Action Plan for veterans and individuals with disabilities, or applicants requiring reasonable accommodation to the application/interview process should reach out to  .","description_format":"text","description_chars":4677,"description_truncated":false,"requirements":{"experience_years_min":1,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Life insurance","Parental leave","Retirement plans"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Space & Aerospace"],"lifecycle":[{"event":"open","at":"2026-10-01T21:09:48Z"}],"visa":[],"liveness":{"score":13,"band":"cold","label":"Long shot","p_open":1,"p_active":0.287,"p_room":0.45,"age_days":25,"expected_fill_days":13,"reasons":["conf:4","velocity","win:tail","comp:junior,brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":160000,"is_top_pay":true},"html_url":"https://alion.io/job/spacenexus-simulation-software-engineer-vehicle-engineering","json_url":"https://alion.io/job/spacenexus-simulation-software-engineer-vehicle-engineering.json","meta":{"generated_at":"2026-10-17T18:33:23Z","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":1387,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":2086894},"rest":"https://alion.io/mcp/rest/get_company?id=2086894"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fspacenexus-simulation-software-engineer-vehicle-engineering"},{"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%2Fspacenexus-simulation-software-engineer-vehicle-engineering"},{"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%2Fspacenexus-simulation-software-engineer-vehicle-engineering"},{"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/spacenexus-simulation-software-engineer-vehicle-engineering\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fspacenexus-simulation-software-engineer-vehicle-engineering"}]}