# Principal Linux Administrator Jobs in San Francisco, CA 96 principal linux administrator jobs in San Francisco, CA. Top employers: OpenAI, Astranis, Anthropic, and 5 more. Salaries from $30K–$500K. 96 open roles · page 1 of 7 **Software Engineer (Mission Applications)** at Astranis San Francisco | FULL_TIME | USD 130K–175K/yr [Apply](https://zerogtalent.com/space-jobs/astranis/software-engineer-mission-applications-4721733006) | [JD](https://zerogtalent.com/api/agent/job/software-engineer-mission-applications-4721733006) **Senior Platform Engineer | Lab Infrastructure and Security** at Plasmidsaurus San Francisco | FULL_TIME | USD 205K–250K/yr [Apply](https://zerogtalent.com/frontier-jobs/plasmidsaurus/senior-platform-engineer-lab-infrastructure-and-security-d0a5eb86-0d1a-476d-b5ee-16ee3abda03f) | [JD](https://zerogtalent.com/api/agent/job/senior-platform-engineer-lab-infrastructure-and-security-d0a5eb86-0d1a-476d-b5ee-16ee3abda03f) **Senior IT Engineer** at Plasmidsaurus San Francisco | FULL_TIME | USD 170000–195000/hr [Apply](https://zerogtalent.com/frontier-jobs/plasmidsaurus/it-administrator-4fab86ab-d0e1-4de7-9c83-0e87f5022f3e) | [JD](https://zerogtalent.com/api/agent/job/it-administrator-4fab86ab-d0e1-4de7-9c83-0e87f5022f3e) **Senior Information Systems Security Manager (ISSM)** at Astranis San Francisco | FULL_TIME | USD 150K–218K/yr [Apply](https://zerogtalent.com/space-jobs/astranis/information-systems-security-manager-issm-4719135006) | [JD](https://zerogtalent.com/api/agent/job/information-systems-security-manager-issm-4719135006) **IT Systems Administrator** at Substack San Francisco (HQ) | FULL_TIME | USD 120K–160K/yr [Apply](https://zerogtalent.com/ai-jobs/substack/it-systems-administrator-51297a4d-6c41-4539-bdea-c9f0afbaddd8) | [JD](https://zerogtalent.com/api/agent/job/it-systems-administrator-51297a4d-6c41-4539-bdea-c9f0afbaddd8) **Head of Security** at Kontigo San Francisco, CA, US / Remote | FULL_TIME | USD 120K–220K/yr [Apply](https://zerogtalent.com/ai-jobs/kontigo/head-of-security-99410) | [JD](https://zerogtalent.com/api/agent/job/head-of-security-99410) **Vice President, Software** at Fellow.app San Francisco, CA | FULL_TIME | USD 300K–310K/yr [Apply](https://zerogtalent.com/ai-jobs/fellowapp/vp-of-software-5100473007) | [JD](https://zerogtalent.com/api/agent/job/vp-of-software-5100473007) **Sr. DevOps Engineer** at TaxGPT San Francisco, CA, US / Remote (US) | FULL_TIME | USD 140K–160K/yr [Apply](https://zerogtalent.com/ai-jobs/taxgpt/sr-devops-engineer-95063) | [JD](https://zerogtalent.com/api/agent/job/sr-devops-engineer-95063) **Member of Technical Staff (Software Engineer, Enterprise Trust & Governance)** at Perplexity San Francisco | FULL_TIME | USD 220K–405K/yr [Apply](https://zerogtalent.com/ai-jobs/perplexity/member-of-technical-staff-software-engineer-enterprise-trust-governance-63785f62-07ac-4dc5-8f68-57779dddb1f3) | [JD](https://zerogtalent.com/api/agent/job/member-of-technical-staff-software-engineer-enterprise-trust-governance-63785f62-07ac-4dc5-8f68-57779dddb1f3) **Vice President Defense and Intelligence Engineering** at Planet Labs San Francisco, CA | CONTRACTOR | USD 293K–366K/yr [Apply](https://zerogtalent.com/space-jobs/planet-labs/vice-president-defense-and-intelligence-engineering-8163185) | [JD](https://zerogtalent.com/api/agent/job/vice-president-defense-and-intelligence-engineering-8163185) **Member of Technical Staff** at Laminar San Francisco | FULL_TIME [Apply](https://zerogtalent.com/ai-jobs/laminar-com/member-of-technical-staff-102116) | [JD](https://zerogtalent.com/api/agent/job/member-of-technical-staff-102116) **Founding Engineer** at Limrun San Francisco, CA, US | FULL_TIME | USD 180K–300K/yr [Apply](https://zerogtalent.com/ai-jobs/limrun/founding-engineer-110499) | [JD](https://zerogtalent.com/api/agent/job/founding-engineer-110499) **Vendor Admin Lead** at Anthropic San Francisco, CA | FULL_TIME | USD 190K–230K/yr [Apply](https://zerogtalent.com/ai-jobs/anthropic/vendor-admin-lead-5446069008) | [JD](https://zerogtalent.com/api/agent/job/vendor-admin-lead-5446069008) **Executive Assistant (to the CEO)** at Blacksmith San Francisco / Remote (US) | FULL_TIME | USD 160K–185K/yr [Apply](https://zerogtalent.com/ai-jobs/blacksmith/executive-assistant-to-the-ceo-113078) | [JD](https://zerogtalent.com/api/agent/job/executive-assistant-to-the-ceo-113078) **Senior Corporate IT Engineer** at Perplexity San Francisco | FULL_TIME | USD 150K–230K/yr [Apply](https://zerogtalent.com/ai-jobs/perplexity/it-systems-administrator-18509f15-ab49-450d-8a01-4b280e464ad0) | [JD](https://zerogtalent.com/api/agent/job/it-systems-administrator-18509f15-ab49-450d-8a01-4b280e464ad0) [Next page](https://zerogtalent.com/principal-linux-administrator-jobs-in-san-francisco.md?page=2) --- *Source: [Zero G Talent](https://zerogtalent.com), the job board for space, defense, AI, robotics and frontier-tech companies.*