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Jobs in United States

259 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.

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AI Tutor, Legal & Compliance - Temporary
13 months ago
SpaceXSI · International, United States
RemoteTemporaryMid levelFrom $50.00 an hourLegal & compliance
Use proprietary software to provide accurate labels, annotations, and inputs on legal materials for AI model training; Curate high-quality data across a range of legal topics and scenarios, including legal research, analysis, writing, and the application of law to facts;…
AI Tutor, Applied Math - Temporary
13 months ago
SpaceXSI · International, United States
RemoteTemporaryFrom $45.00 an hourEducation
Evaluate model outputs, independently verify mathematical solutions, identify subtle errors in reasoning, modelling, or numerical computations, and produce clear, rigorous, and technically sound solutions and explanations; Use proprietary software applications to annotate and…
AI Tutor, Math - Temporary
13 months ago
SpaceXSI · International, United States
RemoteTemporaryFrom $45.00 an hourEducation
Use proprietary software applications to annotate and label data for designated projects; Support the delivery of high-quality, accurate, and well-curated datasets that meet project standards; Collaborate with technical teams to develop and train new tasks, contributing to the…
AI Tutor, Physics - Temporary
13 months ago
SpaceXSI · International, United States
RemoteTemporaryFrom $45.00 an hourEducation
Utilize proprietary software applications to annotate and label data for designated projects; Ensure the delivery of high-quality, accurate, and well-curated datasets that meet project standards; Play a key role in training and developing new tasks by collaborating closely with…
AI Tutor, Materials Science - Temporary
13 months ago
SpaceXSI · International, United States
RemoteTemporaryFrom $45.00 an hourEducation
Use proprietary software applications to annotate and label data for designated projects; Support the delivery of high-quality, accurate, and well-curated datasets that meet project standards; Collaborate with technical teams to develop and train new tasks, contributing to the…
Mobile Android Engineer
13 months ago
SpaceXSI · New York, United States +1
$140K – $225K a yearEngineering
Craft delightful, intuitive user experiences that redefine how people interact with the app; Obsess over every pixel, animation, and interaction, ensuring the experience feels magical and seamless; Build blazing-fast, highly performant systems where every millisecond counts;…
IT Systems Engineer
14 months ago
SpaceXSI · Palo Alto, California, United States
Mid level$162K – $226K a yearEngineering
Build, manage, and support complex application stacks on Windows Server; Administer on-premises Active Directory (domain controllers, Group Policy, identity, and access); Deploy, configure, and support VMware vSphere technologies, including vCenter and ESXi; Deploy, configure,…
Power Generation Engineer - Memphis
14 months ago
SpaceXSI · Southaven, Mississippi, United States +1
Entry levelEngineering
Oversee the daily operations of natural gas turbines and associated power generation equipment, ensuring optimal performance and compliance with safety and environmental standards; Monitor and analyze power generation systems to detect and resolve issues proactively, minimizing…
Software Engineer, Platform Security
14 months ago
SpaceXSI · Palo Alto, California, United States
Mid level$100K – $198K a yearSecurity
Design and build AI-driven security tooling and agents using Grok to identify, analyze, and mitigate vulnerabilities in the platform infrastructure and customer facing application(s); Proactively identify security problems to solve and own the design and implementation…
Supervisor, Facility Operations - Memphis
15 months ago
SpaceXSI · Memphis, Tennessee, United States
ManagerOperations
Lead and mentor a team of Facilities Operations Technicians, fostering a culture of excellence, collaboration, and continuous improvement; Oversee maintenance, monitoring, and troubleshooting of data center infrastructure, including HVAC, power distribution, and backup systems;…
Sr. Software Engineer, Real-Time Storage
15 months ago
SpaceXSI · Palo Alto, California, United States
Senior$180K – $330K a yearEngineering
Design, build, and launch to production new features and improvements aimed at unifying common components across the storage systems; Dive into performance issues and work with customers and deliver solutions to cater to customers’ latency, availability and data durability…
Sr. Software Engineer, Media
15 months ago
SpaceXSI · Palo Alto, California, United States +1
Senior$180K – $330K a yearEngineering
Build the next generation of large-scale video services; Contribute to and rebuild core media processing and distribution pipelines in high-performance languages (Rust, C++, or Go); Ensure end-to-end media quality and performance at scale across a rich suite of products and…
Sr. Software Engineer, Observability
15 months ago
SpaceXSI · Palo Alto, California, United States
Senior$180K – $330K a yearEngineering
Design and implement scalable observability infrastructure for metrics, logging, and tracing; Build high-performance telemetry pipelines that handle massive ingestion volumes; Develop APIs, query engines, and UIs that allow engineers to get real-time insights into their…
Sr. Software Engineer, Data Platform
15 months ago
SpaceXSI · Palo Alto, California, United States
Senior$180K – $330K a yearData & AI
Design and implement high-throughput, low-latency data ingestion and transport systems; Scale and optimize multi-tenant Kafka infrastructure supporting real-time workloads; Extend and tune Spark, Flink, and Trino for demanding production pipelines; Build interfaces, APIs, and…
Sr. Network Security Engineer
15 months ago
SpaceXSI · Austin, Texas, United States +3
Senior$180K – $330K a yearSecurity
Serve as a subject matter expert in network security, particularly firewalls, VPNs, IDS/IPS, routing protocols (e.g., BGP, OSPF), and switching technologies; Manage and update firewall configurations across our enterprise network to align with operational and security needs;…
Barista
17 months ago
SpaceXSI · Palo Alto, California, United States
Mid levelFrom $26.00 an hourHospitality & retail
Set up, work, and maintain a clean and safe work station; Complete daily prep tasks; Help the team meet time and quality standards set by supervisor; Clean and maintain departmental tools and equipment, i.e. drip coffee stations; Provide good customer service; Inventory/order…
Sr. Machine Learning Engineer, Recommendation Systems
19 months ago
SpaceXSI · Palo Alto, California, United States
Senior$180K – $330K a yearData & AI
Designing and architecting recommendation algorithms across various product surfaces; Leverage all of SpaceXSI's infra and AI stacks to dramatically enhance the user experience; Write data pipelines and training jobs that continuously learn from product data; Iterate and…
Sr. Application Security Engineer
24 months ago
SpaceXSI · Palo Alto, California, United States
Senior$180K – $330K a yearSecurity
Conduct in-depth code reviews and static analysis to identify and mitigate security vulnerabilities in our applications; Design and implement secure coding guidelines and best practices for development teams; Collaborate closely with development teams to integrate security…
Software Engineer, Training/Inference (C++)
25 months ago
SpaceXSI · Palo Alto, California, United States +1
$160K – $250K a yearEngineering
Architect and implement scalable distributed infrastructure for model serving (load balancing, auto-scaling, batch scheduling, global KV cache); Optimize latency and throughput of model inference under real production workloads; Build and operate high-concurrency serving…

Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.