Penetration testing Jobs in San Francisco, CA

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Penetration Testing / SCA

Xoriant Corporation

Remote

Contract, Third Party

Primary Duties: Deliver secure code review assessment on programming languages such as Java, C#, JavaScript & SQL Analyze and identify security vulnerabilities in source code using both automated and manual static analysis tools and techniques Train and assist developers in writing secure software and remediating existing vulnerabilities Develop and review custom vulnerability description, business impact and remediation content Develop, research and recommend open source tools assisting in

Offensive Security Engineer, Penetration Testing

Stripe

Remote

Full-time

About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies-from the world's largest enterprises to the most ambitious startups-use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of you

Technical Cybersecurity Analyst-Federal

United Global Technologies

Menlo Park, California, USA

Contract

Job Summary We are seeking a highly skilled and motivated Technical Cybersecurity Analyst to join our Cybersecurity team. The ideal candidate will bring hands-on experience across multiple cybersecurity domains including Vulnerability Management, Incident Response, and Penetration Testing. This role requires a proactive and analytical thinker with a strong technical foundation to detect, respond to, and prevent cyber threats. Key Responsibilities Vulnerability Management: Conduct regular vulner

Security Engineer

Retool

San Francisco, California, USA

Full-time

ABOUT RETOOL Nearly every company in the world runs on custom software: Gartner estimates that up to 50% of all code is written for internal use. This is the operational software for refunding orders, underwriting loans, onboarding employees, analyzing transactions, and providing customer support. But most companies don't have adequate resources to properly invest in these tools, leading to a lot of old and clunky internal software or, even worse, users still stuck in manual and spreadsheet flo

Security Engineer / Pentester

Brilliant Infotech Inc.

Remote

Contract

Job Title: Security Engineer / Pentester Job Location: New York, NY - Remote Duration: 12+ Months (Extendable) Must-Haves: Strong experience in penetration testing across hybrid environmentsDeep knowledge of Google Cloud Platform security (IAM, Compute Engine, GKE, Cloud Functions, Cloud SQL, Pub/Sub, etc.)Proficiency in:Network penetration testing (MITM, LLMNR/NBT-NS, RCE, lateral movement)Web app/API testing (OWASP Top 10, logic flaws, API fuzzing)Exploitation frameworks (Metasploit, Cobalt St

Lead Product Security Engineer

DocuSign Inc

San Francisco, California, USA

Full-time

Company Overview Docusign 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 people's lives. With intelligent agreement management, Docusign unleashes business-critical data that is trapped inside of documents. Until now, these were disconnected from business systems of record, costing businesses time, money, and opportunity. Using Docusign's Intelligent Agreem

Internship, Red Team Security Engineer, Vehicle Software (Fall 2025)

Tesla Motors

Palo Alto, California, USA

Full-time

This position is expected to start around August or September 2025 and continue through the Fall term (ending approximately December 2025) or continuing into Winter/Spring 2026 if available and there is an opportunity to do so. We ask for a minimum of 12 weeks, full-time and on-site, for most internships. Our internship program is for students who are actively enrolled in an academic program. entry level candidates seeking employment after graduation and not returning to school should apply for

Penetration Tester with Source Code Analysis

Alkaeus

Remote

Contract

Penetration Tester with Source Code Analysis Remote Must Have: Seeking candidates with solid expertise in Manual web application penetration testing and Manual secure code review.Expertise is performing Manual Test Case Scenarios is a must.Identification of Vulnerabilities in Source Codes manually is a must.Not Looking: We are not looking for tool dependent SAST and DAST resources.False positives review post SAST & DAST tool-based scanning will not be considered.Key Areas: Perform manual securi

Application Security Engineer/Remote/FT

Motion Recruitment Partners, LLC

Remote or Boston, Massachusetts, USA

Full-time

Job Description We're looking for an Application Security Engineer for a fully remote full-time position. Preference will be given to people in the New England/Greater Boston area. You will be embedding security throughout the SDLC. You will be secure coding, penetration testing and vulnerability scanning across diverse application environments. Our client is a leader in their industry and a household recognized name. They were at the forefront of the industry and played a big role in shaping ho

Internship, Security Engineer, Applications Engineering (Fall 2025)

Tesla Motors

Fremont, California, USA

Full-time

Consider before submitting an application: This position is expected to start around September 2025 and continue through the Fall term (approximately December 2025) or into Spring 2026 if available and there is an opportunity to do so. We ask for a minimum of 12 weeks, full-time and on-site, for most internships. Our internship program is for students who are actively enrolled in an academic program. entry level candidates seeking employment after graduation and not returning to school should ap

Principal Application Security Engineer

Roblox

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

Security Engineer, Energy

Tesla Motors

Palo Alto, California, USA

Full-time

We are hiring a Security Engineer to fortify the platform that powers our Energy IoT applications. These applications provide real-time monitoring, optimization, control for our flagship Tesla Energy products: Powerwall, Megapack, Solar Roof, Supercharger, Autobidder, and Virtual Power Plants. Security Engineering builds and operates tools to enhance the security and reliability of our energy software platform and infrastructure, including web applications, APIs, and embedded devices. If you enj

Software Engineer, Device Security

Johnson & Johnson

Remote or Santa Clara, California, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m

DevSecOps (Security) Engineer

Ziply Fiber

Remote

Full-time

At Ziply Fiber, our mission is to elevate the connected lives of our communities every day. We are delivering the fastest home internet in the Northwest, with a focus on areas traditionally underserved by mainstream internet companies. And as our state-of-the-art fiber network expands in WA, OR, ID and MT, so does our need for team members who can help us grow and realize our goals. We may be building internet, but we are reaching real people. We strive to build relationships and provide custom

Sr. OT Security Engineer, Infrastructure Engineering

Tesla Motors

Palo Alto, California, USA

Full-time

At Tesla, we believe that security is a collaborative partnership where we work together to educate, build, and run secure applications and infrastructure. Tesla is continuously pushing the boundaries of innovation in transportation, energy generation and storage, self-driving, AI, hardware, and software. The Industrial Security team is responsible for working with every single team within the company to enable them to build applications and infrastructure with security in mind. On this team, on

Director of IT Security Fusion Center (SOC and Incident Response)

Gilead Sciences, Inc.

Remote or Foster City, California, USA

Full-time

At Gilead, we're creating a healthier world for all people. For more than 35 years, we've tackled diseases such as HIV, viral hepatitis, COVID-19 and cancer - working relentlessly to develop therapies that help improve lives and to ensure access to these therapies across the globe. We continue to fight against the world's biggest health challenges, and our mission requires collaboration, determination and a relentless drive to make a difference. Every member of Gilead's team plays a critical ro

Cyber Engineer Advisor (BurpSuite)

Eliassen Group

Anywhere, US

Contract

Description: Own your career as a Cyber Engineer Advisor with us. Here, you'll have the opportunity to build strong lines of cyber defense using cutting-edge technologies. Your work in cyber security with us will have an impact on securing our clients' missions and ensuring we anticipate the threats of tomorrow. As a Cyber Engineer Advisor you will help ensure today is safe and tomorrow is smarter. Our work depends on Cyber Engineer Advisor joining our team to enhance our technical Security co

Vulnerability Assessment Analyst (WASA/MASA)

SAIC

Remote

Full-time

Job ID: 2505499 Location: REMOTE WORK, VA, US Date Posted: 2025-05-12 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description Duties: Perform security assessments against web and mobile applications for vulnerabilities, security misconfigurations, and compliance-related concerns Utilizes a variety of industry standard securi

Principal Product Security Engineer (REMOTE)

Stryker

Remote or Portage, Michigan, USA

Full-time

Work Flexibility: Remote Product Security is driven to make healthcare better by ensuring that Stryker designs, develops, and maintains industry leading cyber secure products for our customers. We are seeking a highly skilled Secure Product Lifecycle Expert to ensure the security of our medical devices across their entire lifecycle. This role is critical in embedding robust security practices into our software development lifecycle (SDL), overseeing post-market security management, and integrat

Product Security Engineer

Techno-Comp, Inc.

Remote

Third Party, Contract

Job Title: Product Security Engineer Work Location: Hilliard, OH (Remote) Duration: Long Term Job Description: What you will be doing The Clients Product Security Team ensures security by design product engineering and architecture for both consumer and business products. As a Product Security Engineer, you will work to conduct security assessments on both Consumer and Business products and solutions. You will help to create, define, and implement security controls and tooling in conjunction wi