--- title: 'Principal Software Engineer (Platform Team) at SpaceX' canonical: 'https://feeny.ai/job/principal-software-engineer-platform-team-spacex-starbase-aytgxw4gecad' type: 'job' last_seen: '2026-09-08' --- # Principal Software Engineer (Platform Team) at SpaceX - **Company:** SpaceX - **Location:** Starbase, TX - **Posted:** 2026-05-21 - **Last confirmed live:** 2026-09-08 - **Apply:** https://boards.greenhouse.io/spacex/jobs/8560575002?gh_jid=8560575002 ## Job 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. ## PRINCIPAL SOFTWARE ENGINEER (PLATFORM TEAM) The Platform Team builds the foundational tooling and security infrastructure that empowers every team at SpaceX to harness AI effectively. This team creates secure, scalable gateways and proxy systems that allow engineers and operators across the company to write code faster, perform advanced data analysis, connect AI to their daily tools and problems, and turn ideas into deployed solutions with confidence. By onboarding new frontier models, expanding compute capacity, optimizing proxy efficiency for logging and control, and building shared prompts, skills, and infrastructure, this team unlocks reliable, high-impact AI capabilities across the entire organization. As a Principal Software Engineer for SpaceX's AI platform, you will set the technical vision and serve as a senior leader and entrepreneurial force for the leanest and most effective applied use of AI at SpaceX. You will architect platforms that convert engineering know-how into tested software, automation, and reliable data stores at massive scale while pioneering risk-mitigation tools such as intelligent code review and PR assistants. Current systems are built with Docker containers acting as secure gateways and proxies that integrate with any cloud compute provider and multiple frontier model providers. Your strategic leadership will be critical to accelerating SpaceX production and development by making trustworthy AI a core capability for every team at SpaceX. ## RESPONSIBILITIES: - Define and drive the long-term technical vision and architecture for SpaceX’s AI platform and security infrastructure - Lead high-impact initiatives with full ownership over strategy, design, implementation, and successful company-wide rollout - Oversee onboarding of frontier models, massive compute scaling, and continuous optimization of proxy systems for security, efficiency, logging, and control - Lead adoption efforts at scale — establishing standards, mentoring senior engineers, building reusable assets, and driving cultural change toward AI-first workflows - Proactively identify and execute on the highest-leverage opportunities to turn ideas into production software, trained models, and automated systems with managed, reliable compute - Invent and scale advanced risk-mitigation capabilities (AI code review, automated PR tools, safety systems) that protect and accelerate the business - Establish best practices and technical direction for lean, secure, and maximally effective applied AI across the company - Serve as a key technical advisor and collaborator with leadership and cross-functional teams to align platform capabilities with SpaceX’s most ambitious goals ## BASIC QUALIFICATIONS: - Bachelor’s degree in computer science, computer engineering, or other engineering discipline and 7+ years of professional experience building and scaling production platforms; OR 9+ years of professional experience building and scaling production platforms in lieu of a degree - Experience designing and operating large-scale AI/ML platforms, internal developer platforms, or mission-critical infrastructure ## PREFERRED SKILLS AND EXPERIENCE: - Demonstrated success architecting and scaling AI gateways, secure proxy layers, or enterprise MLOps platforms that serve hundreds of users - Expert-level experience with Docker/Kubernetes ecosystems, zero-trust security models, and multi-cloud/frontier-model integrations - Deep expertise in MLOps, distributed compute, model lifecycle management, and building highly observable, reliable systems - Strong history of enabling organization-wide impact through technical leadership, mentoring, and creation of shared platforms and standards - Entrepreneurial leadership with a proven ability to spot and deliver transformative solutions - Mastery of Python and broad expertise across modern languages and tooling - Extensive experience with infrastructure-as-code, advanced observability, and building platforms that others love to use - Deep passion for responsible AI, developer velocity, and converting deep engineering knowledge into reliable automation at planetary scale ## ITAR REQUIREMENTS: - To 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](https://www.pmddtc.state.gov/?id=ddtc_kb_article_page&sys_id=24d528fddbfc930044f9ff621f961987). SpaceX 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. Applicants 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 EEOCompliance@spacex.com. ## About SpaceX ## Company Overview - **One-liner**: SpaceX designs, manufactures, and launches advanced rockets and spacecraft while building a global satellite broadband network and AI infrastructure to enable interplanetary life. - **Entity Type**: Public (Nasdaq: SPCX) – IPO priced at $135/share on June 12, 2026 - **Headquarters**: Starbase, Texas (primary); Hawthorne, California (historical headquarters) - **Founded**: 2002 - **Founders**: Elon Musk ## Core Business - **Industries**: Aerospace & Defense, Spaceflight, Satellite Telecommunications, Artificial Intelligence - **Target Customers**: Government (NASA, U.S. Armed Forces, international agencies), Commercial satellite operators, Broadband consumers (Starlink), Defense/intelligence (Starshield) - **Mission**: To make humanity multiplanetary by building the integrated hardware and software infrastructure of the future across space, connectivity, and AI. ## Products & Services - **Falcon 9**: Reusable two-stage rocket – the world’s most launched orbital rocket, with over 630 successful first-stage reflights. - **Falcon Heavy**: Heavy-lift launch vehicle composed of three Falcon 9 cores; capable of lifting nearly 64 metric tons to orbit. - **Starship**: Fully reusable super-heavy launch vehicle and spacecraft (largest ever built) designed for missions to the Moon, Mars, and beyond. - **Dragon 2**: Crew and cargo spacecraft used for NASA Commercial Crew and private missions to the ISS and beyond. - **Starlink**: Low-Earth-orbit satellite constellation providing high-speed, low-latency broadband internet to over 10.3 million people globally. - **Starshield**: Military-grade satellite services for national security and defense customers. - **SpaceXAI**: Division focused on AI compute infrastructure, frontier models, and real-time data processing (including AI compute satellites). ## Market Standing - **Valuation**: Conflicting reports – Internal share offer in 2025 valued SpaceX at **$800 billion**; IPO pricing (June 2026) implied a market capitalization of approximately **$75 billion** for the shares offered. - **Key Metric**: Annual revenue of **$15.0 billion** (2025); total funding raised **$15.2 billion** across 56 rounds. - **Notable Investors/Partners**: Google (led $1B Series G), Intesa Sanpaolo, NASA, U.S. Space Force, and numerous institutional investors. - **Growth Signals**: Employee headcount of **11,387** (monthly growth +2.5%); **1,671 active job postings**; Falcon 9 launch cadence of 1–3 per week; Starlink subscriber base covering ~10.3 million people; recent acquisition of xAI (February 2026). ## Competitive Advantages - **Full reusability**: Only company with a fleet of reusable orbital rockets (Falcon 9, Falcon Heavy), dramatically lowering per-launch cost. - **Vertical integration**: Designs, manufactures, and operates its own rockets, spacecraft, satellite constellation, and AI platform – enabling rapid iteration and cost control. - **Scale and reliability**: More orbital launches per year than any other provider (public or private); proven track record with NASA and DoD. - **First-mover in commercial spaceflight**: Established crew transport, satellite internet, and now AI compute in orbit. ## Strategic Focus - **Starship development**: Complete testing and operational deployment of the fully reusable Starship system for lunar (Artemis) and Mars missions. - **Starlink expansion**: Grow subscriber base, launch V3 satellites, and extend mobile and direct-to-cell services. - **AI integration**: Leverage SpaceXAI for on-orbit compute and real-time data analytics; build AI compute satellites. - **Interplanetary infrastructure**: Develop technologies for sustained human presence on the Moon and Mars. ## Why Work Here - **Mission-driven culture**: Employees directly contribute to making life multiplanetary – “hard work and innovative solutions result in big gains.” - **Impactful projects**: Work on reusable rockets, crewed spacecraft, global broadband, and AI systems that are actively changing the space industry. - **Compensation**: Competitive salaries, comprehensive health benefits, and equity packages. - **Work locations**: Primary campuses in Hawthorne, CA and Starbase, TX (with additional sites in Cape Canaveral, FL and Vandenberg, CA). Roles span engineering, software, manufacturing, and support. - **Engineering culture**: Merit-based, fast-paced, with high ownership; top talent sourced from Tesla, Boeing, NASA JPL, and other aerospace leaders. - **Open roles**: Over 1,600 active positions across software, AI, avionics, propulsion, supply chain, and more – including internships. ## Sources 1. [SpaceX Careers Page](https://www.spacex.com/careers) 2. [LinkedIn – SpaceX Company Profile](https://www.linkedin.com/company/spacex) 3. [SpaceX IPO Factsheet (PDF)](https://content.spacex.com/cms-assets/FINAL_Documents%20and%20Updates/SpaceX%20IPO_Factsheet.pdf) 4. [SpaceX IPO Pricing Press Release](https://ir.spacex.com/updates/releases-details/2026/Space-Exploration-Technologies-Corp--Announces-Pricing-of-Initial-Public-Offering/default.aspx) 5. 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