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
See which of these roles fit you: OptiTalent Career reads each ad against your own record, on your computer. About OptiTalent Career →
181–200 of 964 jobs
Member of Technical Staff - Research, Cyber
2 weeks agoVals AI · San Francisco, California, United States
On-siteFull-timeLead / staff$130K – $185K a yearSecurityWe are looking for an exceptional researcher to design and build the next generation of AI benchmarks for cybersecurity. You will create high-impact, challenging evaluations that push the boundaries of what we can measure in foundation models. This role is ideal for someone…
Software Engineer - Security Engineering
2 weeks agoPlaid · Seattle, Washington, United States +2
On-siteFull-time$188.7K – $242.7K a yearSecurityYou will develop security capabilities to secure Plaid infrastructure and to secure sensitive data access.; You will own, maintain, and build Plaid’s security infrastructure and services like Key Management System and Secure Token Service.; You will consult with product…
Head of Security
2 weeks agoLightfield · San Francisco, California, United States
On-siteFull-timeDirector$250K – $325K a yearSecurityWe’re looking for an experienced, deeply technical security leader to build and lead security at Lightfield.
Anthropic · San Francisco, California, United States +2
On-site$320K – $405K a yearSecurityReinforcement learning is how Claude learns to reason, write code, and act autonomously over long horizons. At frontier scale, an RL run is a large distributed system: training, sampling, and environment execution run concurrently across a large fleet of accelerators and hosts.…
Manager, Identity & Access Management
2 weeks ago24 Hour Home Care - Corporate Division · California, United States
Manager$140K – $170K a yearSecurityThe Manager of Identity and Access Management (IAM) will lead TEAM’s enterprise-wide IAM strategy, ensuring secure and appropriate access to systems, applications, and data across the organization. This role is responsible for strengthening security, maintaining regulatory…
Infrastructure & Security Engineer
2 weeks agoEngram Lab · San Francisco, California, United States
On-siteFull-timeSecurityEvery Engram customer gets models trained on their own context, such as their documents, messages, code, and knowledge bases, and retrained continuously as that context changes. That means isolation can't stop at where data is stored: it has to follow the data into training…
Mission Security Administrator II
2 weeks agoTrue Anomaly · Denver, Colorado, United States +1
Mid level$85K – $120K a yearSecuritySet up, configure, and maintain classified C2 systems, engineering environments, and supporting infrastructure; Administer and maintain Windows and Linux servers in classified environments, ensuring operational availability and security compliance; Manage user accounts,…
Manager, Applied AI Cyber Specialists
2 weeks agoAnthropic · San Francisco, California, United States +1
On-siteManager$380K – $450K a yearSecurityAnthropic’s mission is to ensure that the world safely makes the transition through transformative AI. Security is one of the clearest places where that mission plays out: the same capabilities that help attackers move faster can help defenders move faster too, and helping them…
Staff Security Risk Analyst
2 weeks agoOkta · Bellevue, Washington, United States +5
Lead / staff$166K – $228K a yearSecurityIdentity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are…
Security Programs Manager
2 weeks agoKairos Power · Oak Ridge, Tennessee, United States +2
$113.8K – $133.9K a yearSecurityKairos Power is a new nuclear energy technology and engineering company whose mission is to enable the world’s transition to clean energy, with the ultimate goal to dramatically improve people’s quality of life while protecting the environment. This goal will be accomplished…
COMSEC Certification Lead (TS//SCI)
2 weeks agoK2 Space · Los Angeles, California, United States
Lead / staff$140K – $200K a yearSecurityAs K2's COMSEC Certification Lead, reporting to the VP of National Security, you will own the path to NSA certification and accreditation for our Type-1 cryptographic systems across the spacecraft and ground segment. You'll be K2's primary interface to NSA, certification…
Director, Product Security
2 weeks agoCoreWeave · Livingston, New Jersey, United States +3
Director$227K – $303K a yearSecurityThe Product Security team at CoreWeave is responsible for making sure everything we ship, and everything we use to build it, is secure by design. The team owns application security, vulnerability management, offensive security, AI product security, and product vulnerability…
Member of Technical Staff, ML Security
2 weeks agoHiggsfield · San Francisco, California, United States
HybridFull-timeLead / staff$200K – $300K a yearSecurityHiggsfield AI is looking for a highly technical, hands-on MTS, ML Security to join Higgsfield Security and own security across our GPU clusters and AI/ML infrastructure, from model training to inference and production deployment.
Manager, Cybersecurity Sales Specialist
2 weeks agoAnthropic · San Francisco, California, United States +3
On-siteManager$450K – $550K a yearSecurityAI is changing what security teams can do. Claude can find and help fix vulnerabilities in code at a pace that wasn't possible a year ago, and we want defenders to have that advantage first.
Security Administrative Assistant
2 weeks agoStratolaunch · Mojave, California, United States
On-siteEntry level$27.00 – $34.00 an hourSecurityThe Security Administrative Assistant will report to the Facility Security Officer. The Security Administrative Assistant will assist Stratolaunch guests and remote employees as they visit the site. This role will require superb customer service and a positive attitude.
Head of Information Security
2 weeks agoZipline · South San Francisco, California, United States
Director$250K – $400K a yearSecurityZipline operates autonomous delivery systems spanning cloud services, customer and operational data, embedded software, aircraft, and field infrastructure. Security must protect those systems, customers, partners, and the people who rely on them while enabling engineering teams…
National Security Capacity Sales Manager
2 weeks agoAstranis · San Francisco, California, United States
Manager$150K – $225K a yearSecuritySupport the building of relationships and interacting with Astranis customers and partners within the Intelligence and Special Operations communities as well as support the broader USG sales teams in their interactions with Astranis customers and partners within the USG.;…
Director, National Security Capacity Sales
2 weeks agoAstranis · San Francisco, California, United States
Director$150K – $225K a yearSecurityIdentify, qualify, and capture COMSATCOM sales opportunities across the DoD, DHS, DOS, and other interagency partners.; Build and maintain trusted relationships with USG program managers, senior decision-makers, requirements owners, and acquisition authorities.; Map Astranis…
Cybersecurity Engineer II
2 weeks agoRelativity Space · Long Beach, California, United States
Mid level$111K – $167K a yearSecurityThe IT team is responsible for the full scope of computing infrastructure, end-user systems, servers, virtualization, cloud, networking, software services, telecommunications, and information security. You’ll support every function across the company, from the production floor…
Principal Security Engineer, Operations
2 weeks agoK2 Space · Los Angeles, California, United States
Lead / staff$180K – $250K a yearSecurityK2 is a target for sophisticated adversaries, from nation-state actors to criminal groups, all intent on stealing or disrupting the technology behind a new class of high-powered satellites. This role owns detection and response for our corporate environment: you’ll run and…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.