Lead Security Engineer Jobs in San Francisco, CA

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Senior Security Engineer, Application Security

Postman, Inc.

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San Francisco, California, USA

Full-time

Who Are We? Postman is the world's leading API platform, used by more than 40 million developers and 500,000 organizations, including 98% of the Fortune 500. Postman is helping developers and professionals across the globe build the API-first world by simplifying each step of the API lifecycle and streamlining collaboration-enabling users to create better APIs, faster. The company is headquartered in San Francisco and has an office in Bangalore, where it was founded. Postman is privately held,
Posted 60+ days ago | Updated 2 hours ago

Principal Security Engineer, Detection and Response

Roblox

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San Mateo, California, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op
Posted 60+ days ago | Updated 2 hours ago

Security Engineer

Robert Half

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Oakland, California, USA

Contract

Description About the Role: We are seeking a Security Engineer to join our Infrastructure Security Engineering team. In this role, you will help secure our cloud-native systems by building scalable, automated security solutions and working closely with cross-functional teams to drive the security posture of our environment forward. What You'll Do: Build and deploy homegrown security tooling to detect, report, and remediate infrastructure vulnerabilities.Use Terraform to enforce security baseli
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Posted 9 days ago | Updated 11 hours ago

Associate Cybersecurity Engineer - Network Security Monitoring

Visa Inc.

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Foster City, California, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 1 day ago | Updated 2 hours ago

Senior Security Software Engineer, Network Security

Roblox

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San Mateo, California, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op
Posted 60+ days ago | Updated 2 hours ago

Information Security Engineer

I.T. Solutions

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Walnut Creek, California, USA

Contract

Information Security Engineer (only on W2 - No sponsorship offered) Location: On site 4 days/week in Walnut Creek, CA Type: Contract Length: 3 months to start, likely extensions or FTE Conversion Responsibilities This is a hands-on, highly technical position within a fast-paced environment, reporting to the Senior Manager of Information Security at our technology center of excellence in Walnut Creek, CA. We are building the Information Security Program, and you will have great experience buildi
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Posted 34 days ago | Updated 3 days ago

Red Team Security Test Engineer

Request Technology, LLC

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Remote or Chicago, Illinois, USA

Contract

We are unable to sponsor for this 6+ month contract role Prestigious Financial Company is currently seeking a Red Team Security Test Engineer. Candidate will help plan, design and execute security red team related activities (e.g., Intelligence Gathering, Network/Operating System/Application Penetration Testing, Web Application Penetration Testing, Mobile Application Testing, Social Engineering, Basic Emissions/Signals Testing, Physical Security Testing, Command and Control (C2) Infrastructure
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Posted 13 days ago

Security Engineer

Oxford Global Resources

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Remote

Contract

Security Engineer (Operational) Location: Remote (Eastern time zone hours) Duration: 6 months+ Job Description: Our client in retail needs a highly skilled and motivated Security Engineer with a strong operational background is needed to join their dynamic security team. This role is pivotal in safeguarding critical systems and data, ensuring the integrity, confidentiality, and availability of infrastructure and applications. The role requires hands-on experience with security tools and platform
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Posted 5 days ago

Information Security Engineer

Protingent, Inc.

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Remote

Full-time

Position Title: Information Security Engineer Position Description: Protingent Staffing has an exciting direct hire opportunity for a Information Security Engineer with our client located in Great Neck, New York Job Description: We are seeking an Information Security Engineer working remotely from the Eastern Time Zone.This position provides leadership and in-depth expertise in all security aspects surrounding the implementation and operation of Information Technology solutions to improve the
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Posted 5 days ago

Firewall Security Engineer - Remote / Telecommute

Cynet Systems

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Remote

Contract

Job Description: Candidate must have experience in Azure cloud. Minimum experience required - 10 years. Expertise level on cloud knowledge should be 40% and Firewall knowledge should be 60%. Expertise on PALO ALTO Firewall. Expertise on load balancer (WAF). Responsibilities: Cloud network expertise: virtual networks, hybrid connectivity, firewalls, DNS, and network threat management. Cloud security along with the ability to support compliance with industry security standards. Research and archit
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Posted 2 days ago

Network Security Engineer - Remote / Telecommute

Cynet Systems

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Remote or Cary, North Carolina, USA

Contract

Job Description: Client Configuration and troubleshooting of IPSEC site-to-site VPNs. Client Ability to read, understand and troubleshoot complex routing issues. Client Strong understanding of networking in a multi-data center environment. Client Works with minimal guidance; seeks guidance on only the most complex tasks. Client Communicate effectively with leadership, peers, project managers, clients, and stakeholders. Client Flexible work schedule with ability to make after-hours changes. Clie
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Posted 4 days ago | Updated 4 days ago

IT Security Engineer - With (Genetec) Experiance

Pull Skill Technologies

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Remote

Contract

Job Title: IT Security Engineer - Senior Start Date: 2025-07-23 Location: 2 are 100% remote and 1 onsite in Framingham, Massachusetts Duration: 6 to 12 Months Job Summary: We have an immediate opening for a technical engineer to join our Loss Prevention IT team, with key focus on Genetec applications. Using knowledge of industry best practices skills you will help to analyze, configure and deploy leading solutions to our rapidly growing Client global banners.The Loss Prevention IT Security Engin
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Posted 2 days ago

Snowflake Security / Engineer

NTT DATA Americas, Inc

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Remote or Plano, Texas, USA

Contract

NTT DATA's Client is currently seeking a Snowflake Security / Engineer to join their team in Plano, Texas!Job Description: The Snowflake Security and Automation Admin will be responsible for ensuring the security, integrity, and efficient operation of our Snowflake data warehouse environment. This role involves implementing and managing security measures, automating workflows, and collaborating with various teams to optimize data processes. The ideal candidate will have a strong background in Sn
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Posted 24 days ago | Updated moments ago

DevOps Security Engineer

Serenity Info Tech, Inc.

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Remote

Third Party, Contract

Title: DevOps Security Engineer Location: Remote Duration: 12 months Job Description: DevOps / Platform / Security Engineer with strong automation and scripting skillsBackend developers with deep PHP, JavaScript, and C# experience focused on secure legacy code remediationProven track record in securing and modernizing CI/CD pipelinesSkilled in cloud-native security and identity management, especially within AzurePrimary Skills GitHub Enterprise Cloud Deep experience managing repos, migrations,
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Posted 12 days ago | Updated 2 days ago

Senior Software Engineer, Security Platform Engineering

Snowflake Inc.

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Dublin, California, USA

Full-time

Where Data Does More. Join the Snowflake team. The Security Platform Engineering team builds the systems and tooling that empower Snowflake security to keep Snowflake the most secure Data Cloud for our customers. We solve hard problems to supercharge our threat detection, incident response, and security analytics teams as Snowflake expands into new regions. Security, reliability and quality are critical. We need smart engineers who can pick up and understand complex technical areas quickly - an
Posted 60+ days ago | Updated 2 hours ago

Senior Security Engineer

Citizens Bank

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Remote or Johnstown, Pennsylvania, USA

Full-time

Job Description This role is an Insider Threat Program Analyst working in the Data Protection and Security Program. The Program Analyst is responsible for supporting, developing, and enhancing the insider threat program. The colleague will engage with Business Units across the organization, produce metrics and documentation, and implement tools and analytic methods to mitigate insider risks. A successful candidate will: Assess existing Insider Threat capabilities, identify gaps, and develop te
Posted 10 days ago | Updated 2 hours ago

Software Engineer, Security Foundations

Meta Platforms, Inc. (f/k/a Facebook, Inc.)

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Menlo Park, California, USA

Full-time

Meta Platforms, Inc. (f/k/a Facebook, Inc.) has the following positions in Menlo Park, CA Software Engineer, Security Foundations: Responsible for developing cryptography and key management tools and solutions. Analyze and improve efficiency, scalability, and stability of various system resources. 5% domestic and international travel required. (ref. code REQ-2506-152706: $233654/year - $240240/year). Individual pay is determined by skills, qualifications, experience, and location. Compensation d
Posted 6 days ago

Platform Security Engineer

NTT DATA Americas, Inc

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Remote or Plano, Texas, USA

Contract

Company Overview: Req ID: 330434 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Platform Security Engineer to join our team in Remote, Texas (US-TX), United States (US).Who We Are: At NTT DATA America's, we are committed to hiring innovative and passionate individuals eager to contribute and grow with us.How You'll Hel
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Posted 19 days ago | Updated moments ago

Application Security Engineer

Vaco by Highspring

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Remote

Full-time

Application Security Engineer Remote (U.S.-based)Vaco is partnering with a high-growth SaaS company focused on modernizing the customer payments experience across industries. Their platform is built for scale, powering secure, API-driven payment flows that touch millions of users monthly. Following a recent funding round and continued growth, theyre looking to backfill a key AppSec position supporting secure code delivery across a fast-moving engineering org. This role is remote and reports dir
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Posted 9 days ago | Updated 5 days ago

IT Security Engineer - Lead

Navigant Consulting

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Remote or Atlanta, Georgia, USA

Full-time

Job Family: IT Cyber Security Travel Required: Up to 10% Clearance Required: None What You Will Do: Our Security Engineer Lead plays a pivotal role within the Information Security Operations group that is dedicated to supporting Security Operations and Incident Management/Response processes, SIEM engineering, Threat Hunting, Automation, Cyber Architecture, and Threat Intelligence. This position is responsible for enhancing SIEM and tool monitoring, tuning, detection, and alerting across mult
Posted 60+ days ago | Updated 2 hours ago