7 offensive security developer jobs at 7 companies in Fairfield, CA

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Senior Offensive Security Engineer
San Mateo, California, United States
$197k-$243k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
4+ YOE4+ years offensive security experience; proficiency in Python or Go; experience with purple team exercises, breach/attack simulation, cloud and API security; strong technical writing and analytical skills.
Python, Go, SOAR, MITRE ATT&CK, PTES, BAS, EDR, SIEM, XDR, AWS, Azure, GCP, CI/CD
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Offensive Security Agent Engineer
New York City or Seattle or Washington or San Francisco or United States
$347k-$490k/yr RemoteFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
Staff/principal-level offensive security expertise, domain knowledge in cloud/Kubernetes/web/Linux/macOS, experience building production software and agent systems, strong judgment and communication.
Kubernetes, Linux, macOS
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Security Engineer
San Francisco, California, United States
$200k-$230k/yr OnsiteFull Time
LiteLLM
LiteLLM: Open-source AI gateway for standardizing LLM API access.
Startup security engineering experience with hands-on offensive/white-hat hacking, application and CI/CD security, demonstrated security projects and CTF success.
Python, GitHub, OpenAI, CI/CD
3w
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Security Engineer
Berkeley, California, United States
$286k-$503k/yr HybridFull Time
METR
METR: Develops scientific methods to assess frontier AI capabilities and risks.
Deep security fundamentals across systems, networks, cloud, and identity; offensive security/red teaming; AI/LLM engineering; strong AWS (IAM) knowledge.
AWS, EKS, Lambda, ECS, IAM, SQS, CloudWatch, SecurityHub, GuardDuty, PostgreSQL, Aurora, Pulumi, DataDog, Okta, Google Workspace, Tailscale, CrowdStrike Falcon, SIEM, Kubernetes
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Security Engineer
Los Angeles or San Francisco
$145k-$185k/yr OnsiteFull Time
Vast.ai
Vast.ai: Decentralized marketplace for GPU cloud computing resources.
Bachelor's in CS/cybersecurity, strong programming (Python or C), deep Linux and containerization knowledge, offensive and defensive security experience, familiarity with SOC 2/NIST, and security testing tools.
Python, C, Linux, Burp Suite, OWASP, SIEM, WAF, EDR
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Platform Security Engineer
San Francisco, California, United States
OnsiteFull Time
Applied Compute
Applied Compute: Developing specialized AI agents for corporate enterprise workflows.
5+ YOE5+ years in platform security with offensive mindset; strong design, threat modeling, and incident response; proven ability to ship secure software at scale.
Cloud, Multi-tenant environments, LLMs
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Staff Product Security Engineer
San Francisco, California, United States
$180k-$248k/yr HybridFull Time
Okta
OktaNASDAQ: OKTA: Provide secure identity management and authentication for enterprises.
7+ YOE7+ years in information security with deep application/offensive research or AI/ML security, hands-on assessment of LLM-integrated and agentic systems, proficiency in multiple programming languages, threat modeling, manual code review, and strong communication.
Python, Go, Java, TypeScript, C, C++, SAST, DAST, SCA, fuzzing, OIDC, OAuth 2.0, SAML, CI/CD, LLM, MCP