Jobs in San Francisco, CA

Astranis

San Francisco, CA

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Menlo Ventures Portfolio

Full-time · San Francisco, CA · $320,000 – $405,000 · Remote

This role involves adversarial testing of AI systems and products to identify vulnerabilities before they can be exploited. It suits security professionals who want to shift their expertise toward novel threats in AI, combining traditional penetration testing with emerging safety challenges unique to large language models and agentic systems.

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Crusoe

Full-time · San Francisco, CA · $170,000 – $205,000

Crusoe seeks a hands-on security engineer to architect and deploy endpoint management across a rapidly scaling global fleet of company devices, implementing secure-by-default configurations and maintaining compliance with strong visibility into endpoint security posture.

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Astranis

Full-time · San Francisco, CA · $180,000 – $240,000

Design and develop satellite ground station architectures for commercial and government programs, including RF systems, antennas, and modems, while contributing to technical proposals and customer solutions. This role suits experienced RF and satellite communications engineers who want to bridge system design with business development.

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Menlo Ventures Portfolio

San Francisco, CA · $300,000 – $320,000

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Crusoe

Full-time · San Francisco, CA · $215,000 – $260,000

Crusoe is seeking a Staff Software Engineer to design and operate the observability infrastructure that powers their cloud platform, building high-throughput systems for metrics and logs that serve customers running AI workloads at scale. This role suits experienced distributed systems builders who have solved real-world challenges in data pipelines and multi-tenant systems, and who want to lead architecture decisions and mentor other engineers.

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Astranis

Full-time · San Francisco, CA · $36 – $52 / hour

This role involves programming and optimizing the automated equipment that assembles circuit boards for satellites and ground systems, working to solve production challenges and meet launch schedules. It suits technicians with aerospace or automotive manufacturing experience who want hands-on responsibility for assembly-line machinery and collaboration with engineering teams.

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Crusoe

Full-time · San Francisco, CA · $175,000 – $210,000

Crusoe is hiring a senior engineer to design and operate customer-facing observability products for their cloud monitoring service, including APIs, backends, and self-service configuration tools. This role suits experienced distributed-systems engineers who enjoy owning products end-to-end and working directly with customer feedback to improve reliability and ease of use.

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Menlo Ventures Portfolio

Full-time · San Francisco, CA · $375,000 – $455,000

Lead a team of technical investigators who detect and disrupt large-scale exploitation of AI systems, including model distillation, unauthorized access, and fraud schemes. This role suits someone with deep expertise in scaled abuse patterns and a track record managing senior specialists in trust and safety or fraud investigation.

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Astranis

Full-time · San Francisco, CA · $110,000 – $165,000

This role leads procurement and supplier management for Astranis's satellite flight hardware, handling everything from vendor selection through contract negotiation to post-launch support. It suits someone with supply chain or hardware procurement experience who can manage complex commercial negotiations and build lasting vendor partnerships in an aerospace environment.

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Menlo Ventures Portfolio

Full-time · San Francisco, CA · $375,000 – $455,000

Lead a newly formed team detecting and investigating threats related to chemical, biological, radiological, nuclear, and weapons development on Anthropic's AI platform. This role suits experienced threat intelligence analysts or security researchers with deep expertise in biosecurity and nonproliferation who are ready to build a rigorous program from the ground up.

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Crusoe

San Francisco, CA · $215,000 – $260,000

Build and operate the billing platform powering Crusoe's AI infrastructure cloud service, managing metering, pricing, invoicing, and payments at scale. This role is for a staff-level engineer with deep experience in financial systems, distributed architectures, and the leadership skills to guide a team through designing mission-critical billing infrastructure.

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Astranis

Full-time · San Francisco, CA · $145,000 – $185,000

This role leads the technical execution of a multi-spacecraft government relay mission, bridging customer requirements and engineering teams through design reviews, compliance verification, and on-orbit operations. It suits someone with 7+ years in aerospace program management who has steered complex spaceflight systems through formal government gates and can thrive in a fast-paced, hardware-focused environment.

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Menlo Ventures Portfolio

Full-time · San Francisco, CA · $350,000 – $500,000

Join Anthropic's Life Sciences team to develop machine learning evaluation frameworks and training strategies that advance AI applications in biology and drug discovery. This role suits experienced ML engineers interested in scientific AI, rigorous experimental design, and working at the intersection of AI and life sciences research.

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Crusoe

San Francisco, CA · $160,000 – $195,000

Crusoe seeks someone to optimize the allocation and utilization of their GPU compute fleet across data centers, balancing customer demand with physical infrastructure constraints. This role is ideal for someone with cloud infrastructure experience who enjoys solving complex resource-scheduling problems at scale.

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Astranis

San Francisco, CA · $145,000 – $235,000

Astranis seeks a hardware test engineer to design and execute comprehensive test systems that validate satellites and their subsystems from development through production. This role is ideal for someone with deep experience in high-reliability electronics testing who wants to own the entire testing lifecycle at a rapidly scaling space company.

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Menlo Ventures Portfolio

Full-time · San Francisco, CA · $405,000 – $485,000

This role leads the design and operation of configuration and experimentation infrastructure that enables engineers across Anthropic to safely test and roll out changes at scale. You'll own the technical strategy for feature flagging, dynamic configuration, and A/B testing platforms while working independently on high-impact systems that support both research and production workloads.

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Crusoe

Full-time · San Francisco, CA · $140,000 – $165,000

Crusoe is hiring a Software Engineer to design and operate cloud platform services that power AI infrastructure at scale. This role suits someone with 3-5 years of experience building distributed systems who wants to own core infrastructure components and mentor teammates while working across cloud, energy, and data center teams.

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Astranis

San Francisco, CA · $1,925 / week

This role offers recent engineering graduates the chance to design and document spacecraft components and supporting structures using CAD tools at a satellite communications company. You'll work on hardware that launches to orbit, with potential to transition to a full-time position after the twelve-week associate program.

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Menlo Ventures Portfolio

San Francisco, CA · $405,000 – $485,000

This role leads the technical strategy and hands-on development of an agent runtime platform that boosts productivity across Anthropic's research and engineering teams. You'll architect scalable infrastructure for agentic work, own operational excellence, and directly shape how AI transforms internal workflows at a frontier AI safety company.

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Crusoe

Full-time · San Francisco, CA · $250,000 – $300,000

Crusoe seeks a senior staff engineer to serve as a floating technical leader across their managed platform services organization, tackling problems from data center automation to distributed systems reliability and new product exploration. This role suits experienced engineers comfortable with ambiguity and context-switching who can drive technical outcomes across organizational boundaries and mentor others.

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Astranis

Internship · San Francisco, CA · $1,925 / week

A 12-week summer role for recent graduates to design spacecraft components and structures using CAD, contributing to satellites that serve government and commercial customers. The position offers hands-on experience in a fast-paced hardware development environment with the possibility of transitioning to full-time employment.

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Crusoe

Full-time · San Francisco, CA · $210,000 – $255,000

Crusoe is hiring a Staff Engineer to build the detection and alerting systems that turn infrastructure signals into customer-facing insights, combining anomaly detection, heuristics, and machine learning at global scale. This role suits experienced backend engineers with deep expertise in detection pipelines and a track record of shipping complex systems in production environments.

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Menlo Ventures Portfolio

Full-time · San Francisco, CA · $285,000 – $340,000

This role manages the contracting operations backbone for Anthropic's compute and infrastructure buildout, overseeing a high volume of datacenter, hardware, and construction agreements. It suits someone with legal operations or procurement experience who can design scalable processes, administer contract lifecycle management systems, and partner across technical teams to move agreements from intake to signature efficiently.

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Astranis

San Francisco, CA · $1,925 / week

A 12-week salaried role for recent graduates to design and model spacecraft components and structures using CAD, contributing to satellite hardware that reaches orbit. Suited for mechanical or aerospace engineers eager to do hands-on work on real flight systems in a fast-paced environment.

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