Principal IT Security Engineer Jobs in San Jose, CA

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Principal Network Security Engineer

PaloAlto Networks

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Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 1 day ago | Updated moments ago

IT Security Engineer

The Doyle Group

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Remote or Denver, Colorado, USA

Full-time

IT Security Engineer The Doyle Group is a proven partner for Placement and Consulting services, headquartered in Denver, CO. Our core mission is to forge genuine partnerships with our clients who seek strategic talent solutions and to assist highly skilled candidates looking for their next career opportunity. With over 30 years of industry experience, our consultative approach allows us to provide a higher level of guidance and insight, empowering our clients to secure top IT talent that fits se
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Posted 14 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 moments ago

IT Security Operations Engineer

Teksoft Systems Inc

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Mountain View, California, USA

Contract, Third Party

We're Hiring: Cyber / IT Security Operations Engineer Pittsburgh, PA or Mountain View, CA Long-Term Contract (Possible job titles) Cybersecurity Operations & Response Engineer / Security Operations & Incident Response Engineer/Cyber Defence Operations Engineer/Cloud & Security Operations Engineer/Security Monitoring & Incident Response Specialist/Cybersecurity Operations & Response Engineer Cyber / IT Security Operations Engineer to join our growing team. This is a long-term contract role base
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Posted 6 days ago

Senior IT Security Engineer (Hybrid Work Schedule)

Virginia Jobs

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Remote or Richmond, Virginia, USA

Full-time

Title: Senior IT Security Engineer (Hybrid Work Schedule) State Role Title: Salary Non-Specified Hiring Range: $121,581 - $155,000 Pay Band: UG Agency: Virginia Retirement System Location:Virginia Retirement System Agency Website:;br> Recruitment Type: General Public - G Job Duties Hybrid Work Schedule: this position will work onsite two days a week (Tuesday and Wednesday) and 3 days remotely (Monday, Thursday and Friday). VRS is seeking a highly skilled and experienced Senior IT Security Engi
Posted 60+ days ago | Updated moments ago

Principal Software Engineer (Cloud NW & AI Security)

PaloAlto Networks

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Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 21 days ago | Updated moments ago

Principal Cloud Security Engineer (InfoSec)

PaloAlto Networks

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Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 27 days ago | Updated moments ago

Principal Engineer Software (Go, Python, Security Posture Management)

PaloAlto Networks

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Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 13 days ago | Updated moments ago

Sr Principal Engineer Software (Cloud Security)

PaloAlto Networks

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Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 29 days ago | Updated moments ago

System Engineer IT and Security

Lockheed Martin Corporation

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Sunnyvale, California, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 6 days ago | Updated moments ago

Software Engineer Graduate (Privacy & Security) - 2026 Start (BS/MS)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A114038 Apply to this job Share this listing: Responsibilities TikTok Privacy & Security team is responsible for building compliant and user-friendly privacy solutions for TikTok, with the goal of building trust among TikTok users, regulators, and the public. The team is working on TikTok's privacy-related products, including user/underage protection, data access controls, data retention policies etc. We are looking for talented ind
Posted 2 days ago | Updated moments ago

Backend Software Engineer Intern (TikTok-Privacy and Security-Age Compliance) - 2026 Summer (BS/MS)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A158132 Apply to this job Share this listing: Responsibilities Team Introduction TikTok Privacy & Security Product team is responsible for building compliant and user-friendly privacy solutions for TikTok, with the goal of building trust among TikTok users, regulators, and the public. The team is working on TikTok's privacy-related products, including user/underage protection, data access controls, data retention policies, etc. We ar
Posted 3 days ago | Updated moments ago

Sr Staff Enterprise Security Engineer (InfoSec)

PaloAlto Networks

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Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 24 days ago | Updated moments ago

Security Infrastructure Engineer - USDS

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A106970 Apply to this job Share this listing: Responsibilities About the Team The Security Operations team's primary focus is on managing security and defense platforms, tools, and services that support security controls across TikTok USDS's cloud environments. Your role involves designing, engineering, and deploying infrastructure and security technologies to serve various internal customers. In order to enhance collaboration and c
Posted 7 days ago | Updated moments ago

Data Engineer Intern (TikTok-Privacy and Security-Data Infra) - 2026 Summer(BS/MS)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A02944 Apply to this job Share this listing: Responsibilities The Data Infra, Privacy & Security team is missioned to ensure the safety of company-level big data products and compliance with local principals and regulations. We are adding privacy features to TikTok tech stack, and building world-class data security & privacy framework on top big data technology. It's an emerging area where many companies and industry are heavily inve
Posted 2 days ago | Updated moments ago

Senior Enterprise Security Engineer (InfoSec)

PaloAlto Networks

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Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 26 days ago | Updated moments ago

Sr. IT Network Engineer

SUPERMICRO COMPUTER INC

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San Jose, California, USA

Full-time

Job Req ID: 26970 About Supermicro: Supermicro is a Top Tier provider of advanced server, storage, and networking solutions for Data Center, Cloud Computing, Enterprise IT, Hadoop/ Big Data, Hyperscale, HPC and IoT/Embedded customers worldwide. We are the #5 fastest growing company among the Silicon Valley Top 50 technology firms. Our unprecedented global expansion has provided us with the opportunity to offer a large number of new positions to the technology community. We seek talented, pass
Posted 37 days ago | Updated moments ago

Software Development Engineer in Test Intern (TikTok-Privacy and Security-Business Risk Integrated Control)- 2026 Summer (BS/MS)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A156302 Apply to this job Share this listing: Responsibilities The TikTok Privacy team focuses on delivering testing framework, testing and debug tools, privacy governance platform, to ensure high quality and stability of privacy projects and privacy product. We look forward to your joining. Our mission is to protect personal data and privacy for billions of users on TikTok platform, let users explore, create and connect with each ot
Posted 3 days ago | Updated moments ago

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

Gilead Sciences, Inc.

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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
Posted 60+ days ago | Updated 1 hour ago

Mobile Security Engineer Intern (TikTok-Business Risk Integrated Control-Anti Automation Solutions) - 2026 Summer (BS/MS)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A34996 Apply to this job Share this listing: Responsibilities Anti-Automation Solutions (AA) is part of Business Integrated Risk Control team. Automated fraud refers to technical methods used by hackers to perform API abuse at scale using scripts and tools. Our vision is to establish an industry-leading team with a focus on end-to-end defense-in-depth systems with privacy and business needs in mind. We are responsible for continuousl
Posted 5 days ago | Updated moments ago