Lead Full Stack Software Development Engineer Jobs

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As a Fiber Technician III at SpaceXSI's Memphis data center, you will take ownership of fiber optic infrastructure projects and lead a team of technicians in installing, maintaining, and optimizing high-performance network connectivity. You’ll combine deep technical expertise with leadership skills to ensure the highest standards of quality, safety, and uptime in a fast-paced, hyperscale environment. Working onsite with passionate teams, you’ll drive complex fiber deployments, mentor junior technicians, troubleshoot critical issues, and help build the robust backbone that powers SpaceXSI's mission to accelerate human scientific discovery through AI. RESPONSIBILITIES: Lead and mentor a team of Fiber Technicians while working under the guidance of the Foreman Supervisor, Project Manager, and Superintendent Manage all phases of datacenter fiber optic installation projects from planning through execution and handover Ensure a safe, productive, and high-quality work environment for the entire team Oversee the development of sensor indicators and conduct timely inspections to maintain optimal fiber optic system performance Troubleshoot, resolve, repair, and insta

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As a Facilities Operations Technician at SpaceXSI , you'll dive in, operating and maintaining the critical facility systems that power our supercomputing data centers. Working hands-on with MEP systems, you’ll tackle maintenance, operations, and repairs, ensuring peak performance and reliability. Expect to troubleshoot complex issues, streamline processes, and collaborate with teams to keep our infrastructure running smoothly, directly supporting SpaceXSI mission to accelerate human scientific discovery through AI. This role includes the following positions, each with increasing responsibility: Facilities Operations Technician : Independently operate and maintain critical mechanical, electrical, and plumbing (MEP) systems in supercomputing data centers, ensuring high reliability and performance through hands-on maintenance, troubleshooting, and process optimization. Sr Facilities Operations Technician : Perform advanced maintenance and troubleshooting of critical data center systems like HVAC, power, and environmental controls, while mentoring junior technicians to ensure operational reliability. Facilities Operations Lead : Oversee the maintenance and opti

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As the Director of Site Operations, you’ll own node and rack uptime for SpaceXSI's AI supercompute cluster—the most advanced of its kind. This role is the extreme owner of cluster health and customer Service Level Agreements across 5+ sites operating 24/7. You’ll lead a 250+ person organization of site managers, shift supervisors, and technicians, plus the site reliability engineering team that monitors cluster health and drives fault mitigation at scale. We’re looking for a hands-on operations leader who can build a culture of excellence and accountability, partner tightly across the company, and keep uptime exceptional as we grow. RESPONSIBILITIES: Own Cluster Uptime: Serve as extreme owner of node, rack, and cluster health across 5+ sites running 24/7, accountable for customer Service Level Agreements and consistently exceptional uptime on SpaceXSI's supercompute cluster. Lead a Large Operations Organization: Direct a 250+ person team spanning site managers, shift supervisors, and technicians across four 24/7 shifts, building a culture of excellence and accountability at every layer of the org. Drive Node and Rack Remediation: Ensure systematic recovery of fai

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As a Facilities Operations Technician at SpaceXSI , you'll dive in, operating and maintaining the critical facility systems that power our supercomputing data centers. Working hands-on with MEP systems, you’ll tackle maintenance, operations, and repairs, ensuring peak performance and reliability. Expect to troubleshoot complex issues, streamline processes, and collaborate with teams to keep our infrastructure running smoothly, directly supporting SpaceXSI's mission to accelerate human scientific discovery through AI. This role includes the following positions, each with increasing responsibility: Facilities Operations Technician : Independently operate and maintain critical mechanical, electrical, and plumbing (MEP) systems in supercomputing data centers, ensuring high reliability and performance through hands-on maintenance, troubleshooting, and process optimization. Sr Facilities Operations Technician : Perform advanced maintenance and troubleshooting of critical data center systems like HVAC, power, and environmental controls, while mentoring junior technicians to ensure operational reliability. Facilities Operations Lead : Oversee the maintenance

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As a member of the SpaceXSI construction team in Memphis, you will lead the field execution and delivery of some of the world’s most technically advanced electrical infrastructure — from high-voltage substations through medium-voltage distribution to low-voltage data center power systems and Battery Energy Storage Systems (BESS). We execute complex electrical construction projects from groundbreaking through energization and turnover. You will operate with autonomy, own schedule and budget, manage multiple projects at once, and thrive in a dynamic, fast-paced environment. You will work with construction engineers, electrical contractors, equipment vendors, utilities, and internal customers to deliver reliable, high-capacity electrical systems that support AI-scale compute. This is a construction management role focused on field leadership, contractor performance, and on-time delivery. The position is based in Memphis, TN. This role is focused on delivering the electrical backbone — from the high-voltage substation down to the low-voltage racks and BESS — that will power SpaceXSI's Memphis operations. RESPONSIBILITIES: Own full lifecycle delivery of electrical con

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As a Facilities Operations Technician at SpaceXSI , you'll dive in, operating and maintaining the critical facility systems that power our supercomputing data centers. Working hands-on with MEP systems, you’ll tackle maintenance, operations, and repairs, ensuring peak performance and reliability. Expect to troubleshoot complex issues, streamline processes, and collaborate with teams to keep our infrastructure running smoothly, directly supporting SpaceXSI's mission to accelerate human scientific discovery through AI. This role includes the following positions, each with increasing responsibility: Facilities Operations Technician : Independently operate and maintain critical mechanical, electrical, and plumbing (MEP) systems in supercomputing data centers, ensuring high reliability and performance through hands-on maintenance, troubleshooting, and process optimization. Sr Facilities Operations Technician : Perform advanced maintenance and troubleshooting of critical data center systems like HVAC, power, and environmental controls, while mentoring junior technicians to ensure operational reliability. Facilities Operations Lead : Oversee the maintenance

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As a member of the Supercomputer Physical Infrastructure team, you will design, build, and activate control systems for some of the world’s most technically advanced AI training campuses. As a Controls Engineer, you will develop and commission automated solutions that keep cooling plants, electrical distribution, liquid-cooling loops, and data halls running at the pace of compute demand. The automation and controls team designs, builds, and commissions complete control systems from the ground up. We are looking for talent with a proven track record in developing, troubleshooting, and maintaining control systems for production and critical infrastructure. This position is based in Memphis, TN, with work across the Memphis / Southaven campus. RESPONSIBILITIES: Participate in initial equipment conceptual development and carefully balance product specifications, process requirements, layout complexity, cost, and lead-time limits Lay out new industrial electrical control panels which are NFPA79/NEC/UL508A compliant, and create electrical, pneumatic, and fluid schematics Simulate processes to inform design engineers of the conceptual viability of automation proposals f

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: SpaceXSI is building and operating one of the world’s largest AI training campuses in Memphis, including Colossus and site facilities that support it. As a Facilities Supervisor, you will lead a team of technicians and specialist for an assigned area of that campus—office and support buildings, site infrastructure, and grounds. Your leadership keeps work orders moving, preventive maintenance on schedule, and building systems (HVAC, plumbing, electrical, general repair) in working order. Depending on assignment, you may also own soft services such as trash, landscaping, and pest control. This is hands-on front-line leadership for facilities maintenance. Your time will be spent between being on the floor with technicians, vendors, and tickets—closing work, removing blockers, and holding an exceptional standard. RESPONSIBILITIES: Lead a high-performing team handling facilities maintenance for an assigned campus area—including general maintenance, HVAC, plumbing, electrical, and (where assigned) janitorial, landscaping, waste, and pest control—to deliver reliable service with minimal disruption to occupied buildings and site operations. Own day-to-day work orders and

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: At SpaceXSI, the IT Data Engineering team implements and supports applications to help internal customers meet their operational needs. We establish processes for continual improvement, guide administration, and partner with multiple stakeholders on a project-to-project basis. Our mission is to keep the business running effectively while maintaining a healthy application environment. RESPONSIBILITIES: Help lead SpaceXSI's data strategy by implementing established ETL patterns, creating and supporting dependable infrastructure, and reusable components. Partner with business and engineering teams to prioritize requests and consistently deliver excellent results against time-sensitive priorities. Collaborate effectively in a fast-paced environment using strong interpersonal communication skills. BASIC QUALIFICATIONS: BA/BS in a related field (Computer Science degree preferred) Minimum 5 years of relevant experience, preferably in an enterprise environment Strong experience with databases (Vertica, MySQL, or similar) and advanced SQL Java development experience (Spring, JEE/JSE) and proficiency in Python or other modern languages Hands-on experience with integrations

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: SpaceXSI is building and operating one of the world’s most demanding AI training campuses in Memphis, including Colossus and site facilities that support it. The people who work here—and the buildings and grounds they occupy—have to keep up with that tempo. We are looking for a Facilities Manager to oversee operation and maintenance of an assigned portfolio of office and support buildings on that campus. This position is directly responsible for keeping building systems in top condition, holding maintenance costs down, keeping vendors efficient, and presenting a campus that reflects our standards to employees, visitors, and VIPs. You will lead an internal team and vendors through work orders, preventive maintenance, building HVAC, plumbing, electrical, janitorial, and grounds—the day-to-day care of our facilities. Our facility care is a direct reflection of our values, and the impact is immense. RESPONSIBILITIES: Lead a team responsible for facilities maintenance (building operations, janitorial, landscaping/grounds, and general maintenance) for an assigned portfolio of Memphis campus buildings to ensure continual service to employees and visitors. Oversee

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As a Manager, Fiber at SpaceXSI's Memphis data center, you will lead and oversee all fiber optic infrastructure activities, driving the successful execution of large-scale installations, maintenance, and optimization projects. You’ll combine hands-on technical expertise with strong leadership to manage teams of technicians, ensure the highest standards of safety and quality, and maintain the ultra-reliable high-speed connectivity that powers SpaceXSI's AI training and operations. Working closely with Foremen, Project Managers, and Superintendents, you’ll play a critical role in building and sustaining the robust network backbone essential to accelerating human scientific discovery through AI. RESPONSIBILITIES: Lead, mentor, and supervise a team of Lead Fiber Technicians and Fiber Technicians in all datacenter fiber optic installation, maintenance, and repair activities Oversee all phases of fiber optic projects from planning and execution to testing, handover, and documentation Ensure a safe, productive, high-quality, and compliant work environment for the entire fiber team Develop and implement sensor indicators, inspection protocols, and preventive maintenance

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As the Data Center Supervisor at SpaceXSI Memphis, you will oversee the health and performance of our server and network infrastructure across data centers and global points of presence. You will lead a team of technicians, ensuring optimal operations and continuous improvement in our two most critical metrics: mean time to detect (MTTD) and mean time to repair (MTTR). Your role encompasses hands-on technical leadership, process optimization, and cross-functional collaboration to maintain and enhance our data center operations. RESPONSIBILITIES: Lead and mentor a team of data center technicians, fostering a culture of excellence and continuous improvement. Oversee the installation, maintenance, and troubleshooting of server and network infrastructure. Manage and optimize data center operations, including power supply cabling, fiber/optics labeling, and hardware decommissioning. Develop and enforce standard operating procedures (SOPs) and ensure adherence to safety protocols. Coordinate with engineering and provisioning teams to ensure seamless hardware intake and repair processes. Utilize internal applications for inventory and asset management, ensuring accurate

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As a supervisor on the facilities operations team, you will help design, build, activate, and maintain some of the world’s most technically advanced facilities. You will be able to operate with autonomy to solve diverse and complex problems, excel at managing multiple projects at a time, and work in a dynamic, fast-paced environment. The Facilities Supervisor is an important role and directly impacts the foundation of the Southaven and Memphis sites. This position will help ensure that we keep facility maintenance costs low, keep vendors competitive and efficient, and find better ways to enhance our image with customers, visitors, and VIPs. Our facility care is a direct reflection of our values, and the impact is immense. RESPONSIBILITIES: Lead a team responsible for performing inspections, testing, maintenance, and repair of campus-wide systems; including mechanical/HVAC, electrical, compressed air, dust collectors, plumbing tasks (backflow preventers/etc), as well as other preventative maintenance and repair programs covered by facilities operations Lead and direct a team of plumbing, compressed air, electrical, and HVAC-focused facility technicians Schedu

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As the Facilities Operations Manager at SpaceXSI Memphis, you will own the reliability, performance, and continuous improvement of critical data center infrastructure, including power, cooling, and environmental systems. You will lead and develop a team of Facilities Operations Supervisors and Technicians, driving hands-on technical excellence, strategic operational planning, process optimization, vendor management, and cross-functional collaboration. This role emphasizes building a high-performance, team-first culture while ensuring maximum uptime, safety, and efficiency across the site. RESPONSIBILITIES: Lead, mentor, and develop a team of Facilities Operations Supervisors and Technicians, fostering a culture of excellence, accountability, collaboration, and continuous improvement. Own the overall maintenance, monitoring, troubleshooting, and performance of data center infrastructure, including HVAC, power distribution, UPS, generators, and environmental systems. Develop, implement, and continuously optimize preventive and predictive maintenance programs, equipment calibration strategies, and system performance KPIs. Create, refine, and enforce standard operati

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 making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As a supervisor on the facilities operations team, you will help design, build, activate, and maintain some of the world’s most technically advanced facilities. You will be able to operate with autonomy to solve diverse and complex problems, excel at managing multiple projects at a time, and work in a dynamic, fast-paced environment. The Facilities Supervisor is an important role and directly impacts the foundation of the Southaven and Memphis sites. This position will help ensure that we keep facility maintenance costs low, keep vendors competitive and efficient, and find better ways to enhance our image with customers, visitors, and VIPs. Our facility care is a direct reflection of our values, and the impact is immense. RESPONSIBILITIES: Lead a team responsible for performing inspections, testing, maintenance, and repair of campus-wide systems; including mechanical/HVAC, electrical, compressed air, dust collectors, plumbing tasks (backflow preventers/etc), as well as other preventative maintenance and repair programs covered by facilities operations Lead and direct a team of plumbing, compressed air, electrical, and HVAC-focused facility technicians Schedu