Principal Security Engineer Jobs in San Francisco, CA

21 - 40 of 283 Jobs

Senior Application Security EngineerJob Title - Senior Application Security Engineer

RobloxCompany Name - 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

Associate Cybersecurity Engineer - Network Security MonitoringJob Title - Associate Cybersecurity Engineer - Network Security Monitoring

Visa Inc.Company Name - 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

Senior Full Stack Engineer, Security ProductsJob Title - Senior Full Stack Engineer, Security Products

DigitalOceanCompany Name - DigitalOcean

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San Francisco, California, USA

Full-time

Dive in and do the best work of your career at DigitalOcean. Journey alongside a strong community of top talent who are relentless in their drive to build the simplest scalable cloud. If you have a growth mindset, naturally like to think big and bold, and are energized by the fast-paced environment of a true industry disruptor, you'll find your place here. We value winning together-while learning, having fun, and making a profound difference for the dreamers and builders in the world. We are see

Senior Software Engineer - Cloud SecurityJob Title - Senior Software Engineer - Cloud Security

Snowflake Inc.Company Name - Snowflake Inc.

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Menlo Park, California, USA

Full-time

Where Data Does More. Join the Snowflake team. In this position you are expected to design, plan, and implement solutions that improve and verify the security posture of Snowflake products. Projects focus on building a platform that makes it easy to deploy and maintain security services, unifying security experience for developers, increasing developer autonomy as it pertains to security, detecting security vulnerabilities, secure-by-default solutions, and leveraging data to drive security outc

(USA) Principal, Software Engineer, Information SecurityJob Title - (USA) Principal, Software Engineer, Information Security

Walmart Inc.Company Name - Walmart Inc.

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Remote or Bentonville, Arkansas, USA

Full-time

Position Summary What you'll do About the Role As a Principal Software Engineer on our AI Security team, you will be a hands-on technical leader helping shape how we build, secure, and scale AI systems across the company. You will review and evolve our AI security standards, assess internal AI projects, and apply your deep technical background and threat landscape awareness to drive meaningful improvements to our security posture. This role requires a unique blend of security expertise, syst

Senior Software Engineer- Security and Vulnerability ManagementJob Title - Senior Software Engineer- Security and Vulnerability Management

Visa Inc.Company Name - Visa Inc.

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Foster City, California, USA

Full-time

Information Security EngineerJob Title - Information Security Engineer

I.T. SolutionsCompany Name - 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

Principal Security ResearcherJob Title - Principal Security Researcher

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

We are unable to sponsor as this is a permanent full-time role A prestigious company is looking for a Principal Security Researcher. This principal will reverse engineer malicious binaries to find ransomware samples. The principal must have experience with languages such as Python, Ruby, C++, Rust, and cryptographic algorithms. Responsibilities: Reverse engineer malicious or unknown binaries to find insights and intelligence in ransomware samples and threat actor toolkitsUse and develop tools

Security EngineerJob Title - Security Engineer

AIT Global, Inc.Company Name - AIT Global, Inc.

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Third Party

Job Title: Security Engineer Location: Remote Job Summary: We are seeking a highly skilled and hands-on Security Engineer with 8 years of experience in Palo Alto Networks, Cisco firewalls, and cloud-native firewall solutions (AWS, Azure, Google Cloud Platform). This role involves designing, implementing, and maintaining secure network infrastructures across hybrid environments, with flexibility to support critical operations during weekends when needed. Key Responsibilities: Configure, manage,

EndPoint Security Staff Engineer Rust C++Job Title - EndPoint Security Staff Engineer Rust C++

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

We are unable to sponsor for this permanent full-time role Position is bonus eligible Prestigious Enterprise Security Services Company is currently seeking a EndPoint Security Staff Engineer with Rust and C++ experience. Candidate will help lead the design and development of our cross-platform endpoint agent. This role is instrumental in shaping both the technical architecture and future direction of our Windows, Linux, and macOS protection capabilities. Responsibilities: Own the technical visio

(USA) Principal, Systems and Infrastructure Engineer, Information SecurityJob Title - (USA) Principal, Systems and Infrastructure Engineer, Information Security

Walmart Inc.Company Name - Walmart Inc.

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Remote or Denver, Colorado, USA

Full-time

Position Summary Are you ready to lead the charge in transforming our infrastructure? As a Principal, Systems and Infrastructure Engineer at Walmart/VIZIO, you will play a pivotal role in designing, building, and maintaining scalable and secure infrastructure. This is a unique opportunity to drive the migration and modernization of critical applications and systems, ensuring seamless transitions and minimal downtime. What you'll do About the Team: The Walmart/VIZIO Team is dedicated to levera

Senior Security Engineer, Threat DetectionJob Title - Senior Security Engineer, Threat Detection

Snowflake Inc.Company Name - Snowflake Inc.

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Dublin, California, USA

Full-time

Where Data Does More. Join the Snowflake team. Snowflake has developed a world class cloud data platform that is effective, affordable and accessible to all data users. You will be responsible for helping to enhance Snowflake's Threat Detection Program and extending the reach and impact of Threat Detection here at Snowflake. The ideal candidate will seek to gain a strong understanding of the Snowflake Product and Corporate environment to create and optimize detections that mitigate risks identi

Lead Security Engineer - Cryptography DeveloperJob Title - Lead Security Engineer - Cryptography Developer

JPMorgan Chase & Co.Company Name - JPMorgan Chase & Co.

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Palo Alto, California, USA

Full-time

Job Description Take on a crucial role where you'll be a key part of a high-performing team delivering secure software solutions. Make a real impact as you help shape the future of software security at one of the world's largest and most influential companies. As a Lead Security Engineer- Cryptography you will help leverage innovative cryptography at JPMorgan Chase. As a member of the Emerging Technologies Security group within the Cybersecurity & Technology Controls organization, you will wor

Principal Security ResearcherJob Title - Principal Security Researcher

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

Principal, Security Researcher Salary: Open + Bonus + Stock Options Location: Remote *We are unable to provide sponsorship for this role* Qualifications Strong capabilities in reverse-engineering Windows binaries and applications.Strong familiarity with Windows development practices, low level operating system concepts, and networking.Proficiency with development in scripting languages such as Python or Ruby.Proficiency with development in compiled languages such as C, C++ and/or Rust.Experience

Senior Security Engineer, Application SecurityJob Title - Senior Security Engineer, Application Security

Postman, Inc.Company Name - 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,

Application Security EngineerJob Title - Application Security Engineer

Vaco by HighspringCompany Name - 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

Software Engineer, Security FoundationsJob Title - Software Engineer, Security Foundations

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

Senior Network Security Engineer - DGX CloudJob Title - Senior Network Security Engineer - DGX Cloud

NVIDIA CorporationCompany Name - NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

NVIDIA is looking for a Sr Network Security Engineer who will design and implement security best practices for on-premise and cloud access, keeping in mind boundaries that securely enable NVIDIA business verticals such as Graphics Drivers to Autonomous Vehicles and Artificial Intelligence to Deep Learning frameworks for internal and external consumption. This includes the use of deploying and maintaining various aspects of infrastructure security including, but not limited to, stateful firewalls

Enterprise Security EngineerJob Title - Enterprise Security Engineer

Strava, Inc.Company Name - Strava, Inc.

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San Francisco, California, USA

Full-time

About This Role Strava is the app for active people. With over 150 million athletes in more than 185 countries, it's more than tracking workouts-it's where connection, motivation, and personal bests thrive. No matter your activity, gear, or goals, Strava's got you covered. Find your crew, crush your milestones, and keep moving forward. Start your journey with Strava today. Our mission is simple: to motivate people to live their best active lives. We believe in the power of movement to connect

Senior Security Software Engineer, Network SecurityJob Title - Senior Security Software Engineer, Network Security

RobloxCompany Name - Roblox

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San Mateo, California, USA

Full-time