Jobs in San Francisco, CA

Astranis

San Francisco, CA · $150,000 – $215,000

This role involves designing and maintaining hardware-in-the-loop testbeds that validate satellite systems before flight, requiring expertise across embedded systems, test automation, and debugging both hardware and software. It suits engineers who combine hands-on lab skills with programming ability and want to work on critical infrastructure that supports spacecraft operations.

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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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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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Astranis

San Francisco, CA · $115,000 – $150,000

This role involves designing test software and automation frameworks for satellite hardware validation and ground support systems. It suits engineers who enjoy working across hardware and software domains in a fast-paced aerospace environment, with hands-on responsibility for ensuring mission-critical components function correctly.

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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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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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Astranis

Full-time · San Francisco, CA · $150,000 – $215,000

This role involves designing test software architecture and automation infrastructure for satellite hardware integration and validation. It suits engineers who want to work on mission-critical systems for space applications, combining embedded systems knowledge with software architecture expertise.

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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

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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Astranis

Full-time · San Francisco, CA · $80,000 – $125,000

Astranis, a satellite communications company, seeks a technical recruiter to lead full-cycle hiring for engineering and business roles as the company scales rapidly. This role suits someone who enjoys building candidate pipelines, improving hiring processes, and representing company culture to prospective employees.

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Crusoe

San Francisco, CA · $210,000 – $255,000

Crusoe's billing platform team needs a staff engineer to design and operate end-to-end billing systems for their AI infrastructure cloud offering, from metering and pricing through invoicing and payments. This role suits experienced backend engineers who have built financial or similarly complex, high-integrity systems and want to own critical infrastructure across a technical organization.

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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

Full-time · San Francisco, CA · $105,000 – $145,000

A senior-level accounting role at an aerospace company building satellites, focused on general ledger operations, month-end close, and financial reporting for a high-growth, venture-backed organization. Ideal for someone who combines meticulous execution of core accounting functions with a drive to improve processes as the company scales.

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Crusoe

Full-time · San Francisco, CA · $105,000 – $130,000

Crusoe seeks an instructional designer to create and deliver technical training for employees across corporate and manufacturing settings, from onboarding to AI tool adoption. This role suits someone who can design curriculum from scratch, produce multimedia content, and explain complex concepts to diverse audiences while traveling up to 30% to support training delivery.

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Menlo Ventures Portfolio

Full-time · San Francisco, CA · $275,000 – $315,000

Anthropic is seeking a hands-on construction leader to oversee delivery of large, complex office buildouts globally—from pre-construction through commissioning—managing contractors, budgets, and technical coordination of demanding systems like commercial kitchens and data centers. This role suits experienced construction managers comfortable with $50M–$300M+ projects who can both lead field execution and develop a team.

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Astranis

San Francisco, CA · $145,000 – $195,000

Astranis is seeking a Senior Mechanical Engineer to lead the design and development of spacecraft subsystems from concept through operation, mentoring junior engineers while managing complex mechanical assemblies and integration across the company's satellite programs. The role suits experienced aerospace engineers who thrive in hands-on hardware development and want to own complete technical outcomes on cutting-edge spaceflight systems.

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Crusoe

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

Crusoe seeks a hands-on senior infrastructure engineer to design and operate their cloud and on-premises systems across corporate and operational sites, managing Microsoft 365, Azure, and hybrid environments while also racking hardware at data centers. This role suits experienced cloud and Windows administrators comfortable with both cloud platforms and physical infrastructure work in a fast-growing AI company.

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Menlo Ventures Portfolio

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

Lead the engineering team building enterprise-ready features for Claude, translating large organization requirements into scalable technical solutions that enable Fortune 500 deployments. This role partners across product, sales, and security to remove deployment blockers and drive compliance work while managing team growth and execution.

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Astranis

San Francisco, CA · $200,000 – $280,000

Design and build the embedded software that controls and monitors satellites in orbit, working on both commercial and government spacecraft. This role suits experienced C++ engineers who want to move into aerospace and can mentor others while collaborating across hardware and systems teams.

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Crusoe

Full-time · San Francisco, CA · $150,000 – $200,000

This role leads Crusoe's technical recruiting team during rapid growth, managing recruiters and sourcers while developing hiring strategies for engineering and infrastructure positions. It suits experienced recruiting leaders who excel at building high-performing teams and influencing senior stakeholders in fast-paced technology companies.

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Menlo Ventures Portfolio

San Francisco, CA · $365,000 – $435,000

Anthropic is seeking a Technical Program Manager to coordinate scaling and efficiency initiatives across their API platform and infrastructure systems. This role suits someone with deep experience managing complex, cross-functional technical programs who can connect disparate teams and turn overlapping workstreams into a coherent roadmap.

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Astranis

San Francisco, CA · $25 – $52 / hour

This role involves testing spacecraft and satellite components in simulated space environments using specialized equipment like thermal vacuum chambers and vibration shakers, while maintaining the test lab facilities. It suits someone with hands-on experience in test or manufacturing environments who is comfortable with shift work and independent responsibility.

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Crusoe

Full-time · San Francisco, CA · $205,000 – $220,000

Crusoe is seeking a strategic leader to shepherd hyperscale AI data center projects from early planning through design coordination and permitting before construction begins. This role suits experienced construction professionals who excel at managing complex budgets, stakeholder negotiations, and risk mitigation across large-scale infrastructure builds.

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Menlo Ventures Portfolio

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

This role leads the design and deployment of safety systems for Anthropic's AI models across multiple platforms, balancing technical implementation with risk mitigation. It suits experienced product managers with expertise in AI safety, cross-functional collaboration, and the ability to work through ambiguous technical and policy challenges.

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