Jobs in San Francisco, CA

Crusoe

Full-time · San Francisco, CA · $285,000 – $335,000

Principal-level systems architect role building Conductor, an operating system for AI datacenters that manages GPU fleets at scale. This suits deeply experienced infrastructure engineers who have architected distributed control planes and want to lead a 0→1 platform spanning 100,000+ GPUs across global sites.

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Menlo Ventures Portfolio

Full-time · San Francisco, CA · $240,000 – $295,000

You'll be the dedicated recruiter building pipelines and running full-cycle hiring for Anthropic's Security organization, translating technical needs into search strategies and evaluating specialized talent in areas like infrastructure, detection, and compliance. This role suits someone with deep recruiting experience in technical fields who can credibly assess security expertise and partner closely with engineering leaders to hire hard-to-find specialists.

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Astranis

San Francisco, CA · $105,000 – $165,000

This role involves designing and implementing test systems for custom spacecraft electronics, including developing automated testing hardware and software to validate power designs across challenging environments. It suits engineers with hands-on experience in electrical testing and embedded systems who want to work on cutting-edge satellite technology.

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Menlo Ventures Portfolio

Full-time · San Francisco, CA · $425,000 – $600,000

This role leads investor engagement and narrative development for an AI safety company, working closely with the Head of Investor Relations to shape how the financial community understands the business. It suits someone with capital markets experience who can translate complex financial and technical concepts for institutional investors while advising leadership on market sentiment.

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Astranis

Full-time · San Francisco, CA · $110,000 – $155,000

Astranis seeks an experienced technical recruiter to lead full-cycle hiring for their engineering teams as the company scales its satellite communications business. This role suits someone who excels at sourcing specialized talent, analyzing recruitment data, and building a diverse pipeline while maintaining a thoughtful candidate experience.

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Crusoe

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

Crusoe is hiring a senior-level engineer to optimize Linux kernel performance and system tuning for their AI infrastructure platform. This role suits someone with deep systems expertise who wants to work on hands-on performance challenges at scale.

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Menlo Ventures Portfolio

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

Lead a team building security frameworks and libraries that help Anthropic's engineers handle sensitive data safely, from cryptographic systems to authorization controls. This role suits engineering managers with deep security expertise who want to shape how an entire organization approaches information protection.

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Astranis

Full-time · San Francisco, CA · $120,000 – $175,000

Astranis seeks a manufacturing engineer to oversee printed circuit board assembly for satellites, coordinating between design, supply chain, quality, and manufacturing partners to ensure reliable, timely production. The role suits someone with deep PCBA fabrication experience who can drive process improvements and troubleshoot production issues in a high-stakes space technology environment.

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Crusoe

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

Lead a team of 4-6 engineers building Crusoe's telemetry agent, the observability software that collects metrics and logs across their AI cloud infrastructure. This role combines hands-on technical leadership with people management, shipping incremental releases against a fixed deadline while growing the team and expanding into adjacent areas like hardware validation.

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Menlo Ventures Portfolio

Full-time · San Francisco, CA · $320,000 – $485,000

This role builds internal tooling and platforms for investigating and addressing harmful behavior across Anthropic's AI products, combining full-stack engineering with cross-functional work across policy, legal, and operations teams. It suits experienced platform engineers who want to apply their skills directly to AI safety and can thrive in roles that serve non-technical stakeholders rather than end users.

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Astranis

San Francisco, CA · $140,000 – $205,000

This role designs and verifies the FPGA logic that powers Astranis's satellite communications systems, working across radio, avionics, and ground infrastructure. It suits engineers with RTL experience who want to contribute to space technology at a company building production satellites.

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Crusoe

Full-time · San Francisco, CA · $130,000 – $150,000

Crusoe seeks a hands-on social media manager to build their organic presence across channels, focusing on short-form video production and translating technical AI infrastructure concepts for developer and researcher audiences. This role suits someone with video creation skills, deep familiarity with AI/ML topics, and the ability to work independently while managing multiple platforms and stakeholder relationships.

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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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Astranis

Full-time · San Francisco, CA · $110,000 – $140,000

This role designs and builds mechanical systems for satellites in high orbit, involving structural analysis, component testing, and hands-on spacecraft assembly. It suits engineers who want to move from ground-based hardware into space technology and enjoy solving concrete mechanical problems in a fast-paced environment.

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Crusoe

San Francisco, CA · $160,000 – $190,000

Crusoe seeks a senior digital marketing leader to build and optimize their entire paid and organic demand generation engine, running campaigns across search, social, email, and account-based channels. This role suits someone comfortable balancing big-picture strategy with hands-on execution in a fast-growing AI infrastructure company.

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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 · $115,000 – $145,000

This role oversees the complete production lifecycle of propulsion systems for commercial and government satellites, from component manufacturing through vehicle integration. It suits someone with hands-on manufacturing experience who enjoys building factory infrastructure and solving complex hardware problems under tight cost and schedule constraints.

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Crusoe

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

This Senior Software Engineer role owns Crusoe's container registry, a critical component in their AI infrastructure platform. The position suits experienced distributed systems engineers who want to optimize high-scale, production systems and mentor other engineers.

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Menlo Ventures Portfolio

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

Lead Anthropic's new team detecting and disrupting AI misuse for influence operations and state surveillance, building detection systems while managing investigators and handling complex technical investigations yourself. This ground-floor leadership role combines strategic oversight of a high-impact mission area with hands-on involvement in threat analysis and external stakeholder engagement.

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Astranis

San Francisco, CA · $135,000 – $235,000

You'll design and engineer the electrical harnesses that connect every subsystem in Astranis's spacecraft, from power and avionics through propulsion and payload. This role is for someone with deep harness design expertise who can own complex electrical architecture end-to-end and translate it into flight-qualified, manufacturable designs.

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Crusoe

Full-time · San Francisco, CA · $209,000 – $253,000

Crusoe is seeking a Staff Production Engineer to build and optimize the virtualization and kernel infrastructure supporting their AI compute platforms. This role suits experienced Linux systems engineers who want to work on large-scale infrastructure challenges at the intersection of hardware, kernel optimization, and cloud computing.

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Menlo Ventures Portfolio

Full-time · San Francisco, CA · $305,000 – $385,000

This product manager role focuses on protecting Anthropic's AI systems from misuse and ensuring safe deployment across platforms. The position suits someone with deep technical expertise in AI safety systems who can balance competing priorities while collaborating across research, policy, and engineering teams.

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Astranis

San Francisco, CA · $34 – $45 / hour

Listed on Astranis’s careers site · Apply there ↗