IT Security Engineer Jobs in San Francisco, CA

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Adversarial Ai Red Team Security Engineer

Mercor

profile San Francisco - USA

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...

30+ days ago
Full Time

Senior Security Engineer

Abnormal

profile San Francisco - USA

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...

30+ days ago
Full Time

Senior Security Engineer Detection And Response

Klaviyo

profile San Francisco - USA

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...

30+ days ago
Full Time

Senior Security Engineer Detection And Response

Klaviyo

profile San Francisco - USA

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....

30+ days ago
Full Time

Teacher, English Language Development (eld) Suppor...

Aspire Public Schools

profile San Francisco - USA

DescriptionAspire Public Schools Bay Area is now accepting applications for the school year! We are seeking passionate educators to join our team of dedicated teachers.Join Our Talent Pool!Aspire Public Schools is building a pool of exceptional candidates for future opportunities. This posting is...

30+ days ago
Full Time

Security Engineer Intern (summer 2026)

Cloudflare

profile San Francisco - USA

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...

30+ days ago
Intern

Security Engineer Intern (summer 2026)

Cloudflare

profile San Francisco - USA

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...

30+ days ago
Intern

Principal Security Engineer (cryptography & Pki)

Cloudflare

profile San Francisco - USA

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...

30+ days ago
Full Time

Senior Application Security Engineer

Chime Financial

profile San Francisco - USA

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...

30+ days ago
Full Time

Senior Application Security Engineer

Chime Financial

profile San Francisco - USA

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...

30+ days ago
Full Time

Senior Lead Security Engineer, Cloud Infrastructur...

Klaviyo

profile San Francisco - USA

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...

30+ days ago
Full Time

Founding Security Engineer

Promise

profile San Francisco - USA

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...

30+ days ago
Full Time