Lead Security Engineer Jobs in San Francisco, CA

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Security Engineer – Cloud & Vulnerability Security

Connvertex Technologies Inc.

profile San Francisco - USA

About the Role We are hiring a Security Engineer focused on Cloud Security and Vulnerability Management to secure cloud environments and manage enterprise risk exposure. Key Responsibilities Secure cloud environments (GCP AWS Azure) Monitor IAM risks misconfigurations and suspicious activity C...

15 days ago
Full Time

Security Engineer – Security Observability & Autom...

Connvertex Technologies Inc.

profile San Francisco - USA

About the Role We are seeking a Security Engineer focused on Security Observability and Automation to improve visibility telemetry and detection infrastructure across enterprise systems. Key Responsibilities Build and optimize security telemetry pipelines Onboard logs from cloud endpoint identi...

15 days ago
Full Time

Product Security Engineer

Plaid

profile San Francisco - USA

We believe that the way people interact with their finances will drastically improve in the next few years. Were dedicated to empowering this transformation by building the tools and experiences that thousands of developers use to create their own products. Plaid powers the tools millions of people...

25 days ago
Full Time

Product Security Engineer

Plaid

profile San Francisco - USA

We believe that the way people interact with their finances will drastically improve in the next few years. Were dedicated to empowering this transformation by building the tools and experiences that thousands of developers use to create their own products. Plaid powers the tools millions of people...

25 days ago
Full Time

Information 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

Ai Adversarial 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: AI Red Team Specialist Type: Full-time or Part-time Contr...

30+ days ago
Full Time

Ai Offensive 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

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

Cyber 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

Adversarial Ai 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: AI Red Team Specialist Type: Full-time or Part-time Contr...

30+ days ago
Full Time

Ai Cyber 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: AI Red Team Specialist Type: Full-time or Part-time Contr...

30+ days ago
Full Time

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: AI Red Team Specialist Type: Full-time or Part-time Contr...

30+ days ago
Full Time

Adversarial Ai Offensive 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

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

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