OptiTalent · Job Finder
Security jobs in California, United States
964 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
Security jobs in California at a glance
- Open roles
- 964
- Remote
- 10%
- Posted in the last 30 days
- 290
- Advertised pay, middle half
- $196K – $300Kmedian $242K
From the 873 security jobs here that state yearly pay in USD: the top of each advertised range. Updated nightly.
Hiring most here
- Anthropic 63
- OpenAI 33
- SpaceX 25
- Roblox 19
- Anduril Industries 19
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921–940 of 964 jobs
Security Engineer, Infrastructure Security
13 months agoOpenAI · United States +3
RemoteFull-time$266K – $445K a yearSecuritySecurity is at the foundation of OpenAI’s mission to ensure that artificial general intelligence benefits all of humanity.
Software Engineer, Infrastructure Security
13 months agoOpenAI · United States +3
RemoteFull-time$266K – $445K a yearSecuritySecurity is at the foundation of OpenAI’s mission to ensure that artificial general intelligence benefits all of humanity.
Senior Threat Intelligence Researcher
13 months agoAegis AI · New York, United States +1
On-siteFull-timeSeniorSecurityWe’re a team of ex-Google engineers who built some of the largest defensive platforms on the planet — Safe Browsing and reCAPTCHA. Now, we’re striking out on our own to tackle an even bigger challenge: stopping the new wave of adversarial AI attacks already hitting…
Physical Security Manager
13 months agoPalantir Technologies · Palo Alto, California, United States
On-siteFull-timeManager$70K – $170K a yearSecurityThis is an exciting role responsible for the development, management, and execution of physical security outcomes, supporting our thriving US business delivering protection at facilities and events. You will be responsible for leading physical security and compliance within a…
Security Researcher
13 months agoDepthFirst · San Francisco, California, United States
On-siteFull-timeMid levelSecurityWe’re seeking an experienced Security Researcher to join our effort in building and training AI agents for vulnerability discovery and exploitation.
AI Infrastructure Security Engineer
13 months agoBrain Co. · San Francisco, California, United States +3
On-siteFull-timeSenior$190K – $325K a yearSecurityAs our Security Engineer, Infrastructure, you'll secure the platform layer end-to-end including cloud infrastructure, Kubernetes, identity, networking, and the systems that AI runs on. This is a hands-on builder role. You'll write code, ship infrastructure, and work…
Software Engineer, AI & Security
14 months agoGlean · Mountain View, California, United States
HybridSenior$140K – $265K a yearSecurityGlean is looking for driven engineers to solve cutting edge problems in data and AI security and governance. In a rapidly growing startup, this entails empathizing with customer needs, understanding the problems and research in the domain to come up with novel solutions to…
Software Engineer, Security
14 months agoCursor · San Francisco, California, United States +2
On-siteFull-timeSecuritySecurity Software Engineers help us ship secure products end-to-end—covering enterprise security, cloud/infrastructure, and protections embedded directly in our products. You’ll build the tools and features that safeguard our platform and editor and protect our customers.
Software Engineer, Platform Security
14 months agoSpaceXSI · Palo Alto, California, United States
Mid level$100K – $198K a yearSecurityDesign 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…
Senior Security Engineer
14 months agoWaymo · Mountain View, California, United States
Senior$204K – $259K a yearSecurityWaymo is an autonomous driving technology company with the mission to be the world's most trusted driver. Since its start as the Google Self-Driving Car Project in 2009, Waymo has focused on building the Waymo Driver—The World's Most Experienced Driver™—to improve access to…
Senior Software Security Engineer
14 months agoAnthropic · San Francisco, California, United States +2
On-siteSenior$320K – $405K a yearSecurityThe Security Engineering team protects Anthropic's AI systems and maintains the trust of our users and society. We define the authentication architecture for our training infrastructure, design the cryptographic foundations that protect model weights and training data, and…
Sr. Network Security Engineer
15 months agoSpaceXSI · Austin, Texas, United States +3
Senior$180K – $330K a yearSecurityServe 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;…
Security Engineer, Agent Security
15 months agoOpenAI · San Francisco, California, United States +1
RemoteFull-time$266K – $445K a yearSecurityThe team’s mission is to accelerate the secure evolution of agentic AI systems at OpenAI. To achieve this, the team designs, implements, and continuously refines security policies, frameworks, and controls that defend OpenAI’s most critical assets—including the user and…
Cloudflare · Atlanta, Georgia, United States +7
Lead / staff$220K – $303K a yearSecurityThe Security Platform team is an infrastructure/developer tools group tasked with building and operating powerful, resilient, and secure infrastructure and systems that enable other engineering teams to deliver products to our customers efficiently and securely. We are…
Product Manager, Agent Security & Governance
16 months agoGlean · Mountain View, California, United States
Hybrid$160K – $280K a yearSecurityAs a Glean Product Manager, you’ll help solve a ubiquitous problem that all knowledge workers in the world struggle with on a daily basis. You’ll deliver best-in-class products for finding, curating, sharing, discovering, and managing knowledge. We’ve only taken the first step…
Software Engineer - Physical AI Security
17 months agoApplied Intuition · Sunnyvale, California, United States
On-siteFull-timeSenior$135K – $250K a yearSecurityWe're building a Physical AI security platform – a system powered by AI agents that supports in building secure Physical AI and Vehicle Intelligence platforms. It spans the full product lifecycle, and everything it produces has to hold up under external scrutiny. You'll be an…
Staff Product Security Engineer
17 months agoCrusoe · San Francisco, California, United States
On-siteFull-timeLead / staff$250K – $285K a yearSecurityWe’re seeking a Staff Product Security Engineer with deep AI/ML security expertise to strengthen Crusoe’s security posture across applications, infrastructure, and distributed AI systems. This is a highly technical role focused on advanced penetration testing, AI/ML attack…
Senior Specialist Field Engineer - Security
17 months agoCoreWeave · Livingston, New Jersey, United States +4
Senior$182K – $242K a yearSecurityCoreWeave's customers train and serve some of the most valuable models in the world, and they need to trust the platform underneath them. As a Senior Specialist Field Engineer for Security, you'll help those customers design for isolation, identity, and compliance on large GPU…
Security Engineer
18 months agoSierra · San Francisco, California, United States
On-siteFull-time$230K – $390K a yearSecuritySierra is the leading platform for customer-facing AI agents, working with many of the world's biggest brands — including The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank — to transform how they serve customers and grow their businesses. We are primarily an in-person…
Security Engineer, Product and Device Security
19 months agoFigure · San Jose, California, United States
Mid level$150K – $350K a yearSecurityConduct security assessments of embedded systems, hardware designs, and software integrations, as well as build tooling for a secure design/development lifecycle of complex hardware systems.; Design technical solutions to mitigate security risks and work with teams across the…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.