{"id":1810960,"url":"https://alion.io/job/spacex-site-reliability-engineer-gnc","title":"Site Reliability Engineer, GNC","company":{"id":66,"name":"SpaceX","domain":"spacex.com","url":"https://alion.io/company/spacex","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":90,"open_postings":21,"ghost_share":0,"stale_share":0.19,"repost_share":0,"time_to_fill_p50_days":81,"computed_at":"2026-10-17T05:46:00Z"}},"role":"DevOps","role_family":"DevOps","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":145000,"currency":"USD","period":"year","gross":null,"usd_annual":145000},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"CI/CD","optional":false},{"name":"HPC","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"SRE","optional":false},{"name":"Ansible","optional":true},{"name":"Configuration Management","optional":true},{"name":"Docker","optional":true},{"name":"Gradle","optional":true},{"name":"Java","optional":true},{"name":"JavaScript","optional":true},{"name":"Kubernetes","optional":true},{"name":"npm","optional":true},{"name":"Puppet","optional":true},{"name":"TCP/IP","optional":true},{"name":"Terraform","optional":true},{"name":"Vagrant","optional":true}],"status":"live","first_seen_at":"2026-04-29T05:08:43Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-10-17T15:22:57Z","board_verified":true,"closed_at":null,"days_open":171,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":171},"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.\nSITE RELIABILITY ENGINEER, GNC\nSpaceX’s mission is to make humanity multiplanetary by developing fully and rapidly reusable launch systems capable of launching Starship multiple times per day while continuing to scale the Starlink constellation. To support these goals, we are seeking a Site Reliability Engineer to operate and scale custom-built, mission-critical products for the Guidance, Navigation, and Control (GNC) teams.\nGNC teams at SpaceX are responsible for vehicle design, trajectory design and optimization, high-fidelity vehicle simulation, software and control algorithm development, while also supporting both launch and on-orbit operations across multiple vehicle programs. In this role, you will work closely with GNC teams across SpaceX to maintain and improve a suite of critical GNC-focused tools and infrastructure that must scale reliably to enable a multiplanetary future. These systems include on-prem services, large-scale Monte Carlo simulations on our high-performance computing (HPC) cluster, automated data analysis pipelines, continuous integration systems for rocket and simulation software, GNC analysis infrastructure, and vehicle configuration verification tools.\nThe ideal candidate is flexible, possesses broad skills spanning product operations and software development, and thrives in a fast-paced, high-impact environment.\nRESPONSIBILITIES:\nDeploy, upgrade, operate, and scale a suite of mission-critical GNC products and services\nProvision and maintain virtual and physical servers\nWork with SpaceX HPC team to monitor and maintain an HPC cluster consisting of tens of thousands of CPUs.\nClosely collaborate with GNC software engineers to create highly operable and maintainable products\nMonitoring and incident response for web applications and services\nManage the underlying computational infrastructure of GNC in collaboration with IT stakeholders\nEngage in and improve the whole lifecycle of services from whiteboard to operational\nMake data-driven recommendations for future hardware purchases\nPractice sustainable incident response and postmortems\nProvide end-user support to GNC engineering for products by becoming an expert on analysis applications and support users in troubleshooting and pointing to features\nConfigure automated deployment pipelines for web apps\nDevelop or improve GNC web apps and tools for better usability, maintainability, and robustness\nDemo and document new software changes such as operating system upgrades, shared filesystem changes, or major tool rollouts\nFocus on performance bottlenecks and performance improvement techniques\nBASIC QUALIFICATIONS:\nBachelor’s degree in computer science, information systems/IT, engineering, math, or scientific discipline and 2+ years of software development experience OR 4+ years of professional experience building software with site reliability or DevOps in lieu of a degree\n1+ years of experience with Linux operating systems\n1+ years of experience with Python and Python based development frameworks\nPREFERRED SKILLS AND EXPERIENCE:\n2+ years of systems administration, site reliability engineering, or DevOps experience\n2+ years of experience with Python and Python-based development frameworks\n2+ years of Linux experience\nExpertise with Docker, Vagrant, and Kubernetes or similar technologies\nExtensive Experience with configuration management tools such as Ansible, Puppet, Terraform\nExperience with build systems (Make, Bazel / Pants / Buck, Gradle) and package management tools (pip, npm)\nStrong understanding of virtualization and hypervisor technologies\nUnderstanding of databases and data modeling\nExperience with automatically managing dozens or hundreds of servers\nStrong networking knowledge of TCP/IP\nExperience scaling web applications and optimizing applications for performance\nExperience with managing on-prem infrastructure, including direct experience managing GPU fleets\nExperience with high-performance computing systems or large-scale data analysis systems\nMust be comfortable working with mission-critical and sensitive systems, with a sense of urgency appropriate to the responsibilities\nAbility and willingness to obtain a Top Secret clearance\nADDITIONAL REQUIREMENTS: \nAn active clearance may provide the opportunity for you to work on sensitive SpaceX missions; if so, you will be subject to pre-employment drug and random drug and alcohol testing \nWilling to work extended hours and weekends when needed to meet critical deadlines\nCOMPENSATION AND BENEFITS:\nPay Range:\nSite Reliability Engineer/Level I: $125,000.00 - $145,000.00/per year\nSite Reliability Engineer/Level II: $145,000.00 - $175,000.00/per year\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, stock options, 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":6969,"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":true,"languages":[]},"benefits":["Life insurance","Parental leave","Retirement plans","Stock options"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Satellite Communications","Launch Services","Satellite Manufacturing"],"lifecycle":[{"event":"open","at":"2026-10-03T20:47:19Z"}],"visa":[],"liveness":{"score":11,"band":"cold","label":"Long shot","p_open":1,"p_active":0.385,"p_room":0.28,"age_days":171,"expected_fill_days":81,"reasons":["conf:4","velocity","win:tail","crowd:junior,brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":145000,"is_top_pay":true},"html_url":"https://alion.io/job/spacex-site-reliability-engineer-gnc","json_url":"https://alion.io/job/spacex-site-reliability-engineer-gnc.json","meta":{"generated_at":"2026-10-17T17:50:22Z","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":357,"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":66},"rest":"https://alion.io/mcp/rest/get_company?id=66"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fspacex-site-reliability-engineer-gnc"},{"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%2Fspacex-site-reliability-engineer-gnc"},{"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%2Fspacex-site-reliability-engineer-gnc"},{"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/spacex-site-reliability-engineer-gnc\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fspacex-site-reliability-engineer-gnc"}]}