Senior Security Engineer Jobs in San Francisco, CA
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Ai Cyber Security Engineer
Mercor
About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco our investors include Benchmark General Catalyst Peter Thiel Adam DAngelo Larry Summers and Jack Dorsey. Position: AI Red Team Specialist Type: Full-time or Part-time Contr...
Ai Red Team Security Engineer
Mercor
About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco our investors include Benchmark General Catalyst Peter Thiel Adam DAngelo Larry Summers and Jack Dorsey. Position: AI Red Team Specialist Type: Full-time or Part-time Contr...
Adversarial Ai Offensive Security Engineer
Mercor
About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco our investors include Benchmark General Catalyst Peter Thiel Adam DAngelo Larry Summers and Jack Dorsey. Position: Red Team Specialist Type: Full-time or Part-time Contract...
Adversarial Ai Red Team Security Engineer
Mercor
About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco our investors include Benchmark General Catalyst Peter Thiel Adam DAngelo Larry Summers and Jack Dorsey. Position: Red Team Specialist Type: Full-time or Part-time Contract...
Software Engineer (security)
Cloudflare
About UsAt Cloudflare we are on a mission to help build a better Internet. Today the company runs one of the worlds largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and...
Senior Security Engineer
Abnormal
About the RoleAbnormal AI is seeking a Senior Security Engineer to ensure Abnormals FedRAMP environment operates securely resiliently and efficiently. This role focuses on security operations engineering with responsibilities spanning CI/CD pipelines access management patch management change reviews...
Senior Security Engineer Detection And Response
Klaviyo
Klaviyo is looking for a Senior Security Engineer to add to our growing Detection and Response (D&R) Team. This is a hands-on technical role that involves building and maintaining secure reliable and scalable detection and response systems to enhance our security observability capabilities. This rol...
Senior Security Engineer Detection And Response
Klaviyo
At Klaviyo we value the unique backgrounds experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements....
Security Engineer Intern (summer 2026)
Cloudflare
About UsAt Cloudflare we are on a mission to help build a better Internet. Today the company runs one of the worlds largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and...
Security Engineer Intern (summer 2026)
Cloudflare
About UsAt Cloudflare we are on a mission to help build a better Internet. Today the company runs one of the worlds largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and...
Principal Security Engineer (cryptography & Pki)
Cloudflare
About UsAt Cloudflare we are on a mission to help build a better Internet. Today the company runs one of the worlds largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and...
Senior Software Engineer (security)
Cloudflare
About UsAt Cloudflare we are on a mission to help build a better Internet. Today the company runs one of the worlds largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and...
Senior Application Security Engineer
Chime Financial
About the roleWe are looking for a Sr. Full Stack Application Security Engineer with deep expertise in mobile application security to join our Product Security team. This role is hands-on and impact driven. You will work directly with mobile backend and platform engineering teams to identify prevent...
Senior Application Security Engineer
Chime Financial
About the roleWe are looking for a Sr. Full Stack Application Security Engineer with deep expertise in mobile application security to join our Product Security team. This role is hands-on and impact driven. You will work directly with mobile backend and platform engineering teams to identify prevent...
Senior Lead Security Engineer, Cloud Infrastructur...
Klaviyo
As a Lead Security Engineer youll be a vital part of the Infrastructure Security Team focusing on strengthening the security posture across Klaviyos entire technology environment developing security architectures and repeatable patterns and mentoring colleagues and junior security engineers. Unlike...
Senior Security Risk Manager
Docusign
Company OverviewDocusign brings agreements to life. Over 1.5 million customers and more than a billion people in over 180 countries use Docusign solutions to accelerate the process of doing business and simplify peoples lives. With intelligent agreement management Docusign unleashes business-critica...
Founding Security Engineer
Promise
Company Overview Promise modernizes how government agencies and utilities support people in financial difficulty. We build technology that makes it simple for residents to receive benefits engage with assistance programs set up flexible payment plans and stay on trackwhile helping agencies increase...
Lead Security Engineer
Fieldguide
About UsFieldguide is establishing a new state of trust for global commerce and capital markets through automating and streamlining the work of assurance and audit practitioners specifically within cybersecurity privacy and financial audit. Put simply we build software for the people who enable trus...
Senior Security Engineer (detection & Response)
Scribd
Scribd Inc. is on a mission to advance human understanding. Our four products Scribd Slideshare Everand and Fable help billions of people across the globe move beyond access and into insight application and expertise.Culture at Scribd Inc.We support a culture where our employees can be real and be...
Security Engineer Intern (summer 2026)
Cloudflare
About UsAt Cloudflare we are on a mission to help build a better Internet. Today the company runs one of the worlds largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and...