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Jobs at SpaceXSI
270 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
181–200 of 270 jobs
Sr. ML Infrastructure Engineer
3 months agoSpaceXSI · Palo Alto, California, United States
Senior$180K – $330K a yearData & AIDesigning, building, and scaling GPU compute infrastructure, training frameworks, and experimentation tools to enable rapid iteration on ML hypotheses; Developing data pipelines and integrating large-scale data, training, and inference systems; Collaborating with ML teams to…
Supervisor, Fiber - Memphis
3 months agoSpaceXSI · Memphis, Tennessee, United States
On-siteManagerData & AIManage and schedule employees, contractors, and subcontractors to ensure timely completion of projects; Ensure that contractors and subcontractors are fully executing and complying with their contracted scope of work; Ensure quality of work by crews; Complete projects on time…
Sr. Software Engineer, Platform Infrastructure
3 months agoSpaceXSI · Palo Alto, California, United States
Senior$180K – $330K a yearEngineeringDesign, build, and implement a large-scale distributed system that powers one of the world's largest supercomputing clusters; Dive into the low-level stack to profile, debug, and optimize performance across diverse systems, including GPUs, Linux kernel, networking, and…
Technical Account Manager
3 months agoSpaceXSI · Austin, Texas, United States +4
SeniorCustomer success & supportApply expertise to large-scale compute system development, including design validation, integration, performance tuning, and optimization; Act as the primary technical point of contact for compute infrastructure definition, requirements, and delivery across all customer…
SpaceXSI · Southaven, Mississippi, United States +1
Mid levelData & AIWork in a team environment with other engineering disciplines to provide detailed electrical design and specification for the installation of the following equipment and systems: electrical power distribution systems, switch-gear and motor control centers, exterior and interior…
SpaceXSI · Southaven, Mississippi, United States +1
Mid levelData & AIWork in a team environment with other engineering disciplines to provide detailed electrical design and specification for the installation of the following equipment and systems: electrical power distribution systems, switch-gear and motor control centers, exterior and interior…
Software Engineer, Network Software & Services
3 months agoSpaceXSI · Dublin, Ireland
€80K – €150K a yearEngineeringBuilding software and tools with extensive metrics coverage for some of the world’s largest GPU supercomputing network fabrics used for AI training and serving customer inference queries; Implement IaC best practices, enhancing deployment pipelines, and ensuring robust, secure…
Model Engineer, RL Training Framework
3 months agoSpaceXSI · Palo Alto, California, United States
$180K – $400K a yearEngineeringDesign and implement the systems backing all RL workloads at SpaceXSI, from small scale ablations to production training runs; Profile, debug, and optimize end-to-end training performance; Improve scalability and observability of the RL stack
Software Engineer, Data Engineering (X)
3 months agoSpaceXSI · Palo Alto, California, United States
$140K – $225K a yearData & AIDesign, build, and operate production-grade realtime and batch pipelines that ingest, process, validate, and deliver data powering user-behavior insights and product decisions; Create shared datasets, fact tables, and internal data products that let other teams analyze, debug,…
SpaceXSI · Southaven, Mississippi, United States +1
Entry levelData & AIResponsible for owning and being the subject matter expert on fluid/HVAC components across the site; Responsible for owning maintenance and reliability of critical infrastructure assets across campus; Commission systems, validate nameplate performance, and implement predictive…
Product Counsel
3 months agoSpaceXSI · Palo Alto, California, United States
HybridSenior$230K – $275K a yearLegal & complianceProvide legal advice to SpaceXSI's product group and engineering teams focusing on AI, personalization, interests, creators, ads, and international expansion. The product groups you will support build AI models as well as features and products that increase engagement by…
SpaceXSI · Southaven, Mississippi, United States +1
Entry levelData & AILead internal project teams, consulting engineers and contractors throughout the entirety of the MEP engineering, procurement, construction, commissioning and maintenance process; Provide technical engineering support/information to ensure construction/maintenance complies with…
SpaceXSI · Southaven, Mississippi, United States +1
Mid levelData & AIWork in a team environment with other engineering disciplines to provide detailed electrical design and specification for the installation of the following equipment and systems: electrical power distribution systems, switch-gear and motor control centers, exterior and interior…
SpaceXSI · Southaven, Mississippi, United States +1
Entry levelData & AIResponsible for owning and being the subject matter expert on fluid/HVAC components across the site; Perform CAD modeling and design of these systems; Perform fluid analyses for pressure balance, component design allowable, and consumables determination; Responsible for owning…
Sr. IAM Engineer
4 months agoSpaceXSI · Austin, Texas, United States +3
Senior$152K – $258K a yearEngineeringDesign and implement enterprise-grade IAM solutions across on-prem, cloud, and SaaS environments; Architect and deliver end-to-end federation strategies using modern protocols (SAML, OIDC, OAuth 2.0, SCIM); Lead integration and optimization of key IAM platforms including…
Sr. Model Engineer, RL Inference
4 months agoSpaceXSI · Palo Alto, California, United States
Senior$180K – $400K a yearEngineeringDesign and optimize our inference stack for all shapes of RL workloads at SpaceXSI, from small scale ablations to production training runs; Analyze, profile and address performance bottlenecks in large scale RL systems; Work closely with the modeling team to efficiently…
Software Engineer, Network (C++)
4 months agoSpaceXSI · Palo Alto, California, United States +1
Mid level$140K – $225K a yearEngineeringDevelop routing and traffic-engineering algorithms for the Colossus high-performance datacenter network; Develop highly reliable, real-time software designed to run on the switches that form the backbone of our low-latency, high-bandwidth AI training fabric; Participate in and…
SpaceXSI · Southaven, Mississippi, United States +1
Full-timeData & AIProvide strategic leadership and direct management to a team of Construction Project Managers; Oversee end-to-end execution of multiple large-scale construction programs, including pre-construction planning, site development, procurement, construction, commissioning, and…
Lead Fiber Technician - Memphis
4 months agoSpaceXSI · Southaven, Mississippi, United States +1
Lead / staffTrades & logisticsServe as crew leader for traveling fiber teams, managing daily work assignments, resource allocation, and execution based on Fiber Span sheets, site surveys, path planning, and cross-functional coordination; Lead and mentor a team of Fiber Technicians across multiple project…
Manager, Fiber - Memphis
4 months agoSpaceXSI · Southaven, Mississippi, United States +1
ManagerData & AILead, 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;…
Updated 06 Nov 2026 09:37 UTC from the OptiTalent job library.