principal security engineer Jobs in california

121 - 140 of 439 Jobs

Senior Security Engineer, Offensive SecurityJob Title - Senior Security Engineer, Offensive Security

RipplingCompany Name - Rippling

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Remote

Full-time

About Rippling Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle in a single system. Take onboarding, for example. With Rippling, you can hire a new employee anywhere in the world and set up their payroll, corporate card, computer, benefits, and even

Systems Engineer Vulnerability Security / Contract / RemoteJob Title - Systems Engineer Vulnerability Security / Contract / Remote

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Remote or Boston, Massachusetts, USA

Full-time

We are partnering with a leading healthcare organization in New York City to build a Vulnerability Remediation Tiger Team. This is a 6-month engagement focused on addressing critical vulnerabilities across a massive and complex IT environment, spanning on-premise systems, cloud infrastructure, and networking. This is an opportunity to be part of a fully supported, high-priority Tiger Team reporting directly to the CISO's office. You'll work in a fast-paced, Scrum-style environment with the abili

Senior Enterprise Security Engineer (InfoSec)Job Title - Senior Enterprise Security Engineer (InfoSec)

PaloAlto NetworksCompany Name - 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

Senior Staff Software Engineer (Cloud NW & AI Security)Job Title - Senior Staff Software Engineer (Cloud NW & AI Security)

PaloAlto NetworksCompany Name - PaloAlto Networks

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Santa Clara, California, USA

Full-time

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

TikTokCompany Name - 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

Application Security Engineer/ Hybrid in Atlanta & Dallas 2-3 days/ 6 Month Contract to HireJob Title - Application Security Engineer/ Hybrid in Atlanta & Dallas 2-3 days/ 6 Month Contract to Hire

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Los Angeles, California, USA

Full-time

A global tech-driven organization in hiring a hybrid Application Security Engineer on a 6-month contract-to-hire basis. This role is based in Dallas or Atlanta and offers a flexible hybrid setup. You'll help secure modern cloud applications running across AWS, Azure, or Google Cloud Platform. This is a hands-on opportunity to shape security in a fast-moving product environment. You'll lead threat modeling, code reviews, and guide secure development across global teams. Ideal for someone with a s

Sr. Security BI EngineerJob Title - Sr. Security BI Engineer

VeearCompany Name - Veear

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Oakland, California, USA

Contract

The Senior analyst will provide support to advance security risk reduction across the Enterprise. This position will work closely with internal leaders and subject matter experts while interacting with other stakeholders across the Company to build visuals, dashboards and other products to support security program Conducts analysis on variances, forecasts and risk reduction trends. Monitors and reports on operational, productivity and efficiency metrics and scorecards. Works closely with our

Security Engineer Graduate (BRIC Anti-Automation) - 2026 Start (BS/MS)Job Title - Security Engineer Graduate (BRIC Anti-Automation) - 2026 Start (BS/MS)

TikTokCompany Name - TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A221739 Apply to this job Share this listing: Responsibilities Anti-Automation Solutions (AA) is part of Business Integrated Risk Control(BRIC) 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 con

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

TikTokCompany Name - 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

Sr Staff Software Engineer (NGFW System Infrastructure and Platform Security)Job Title - Sr Staff Software Engineer (NGFW System Infrastructure and Platform Security)

PaloAlto NetworksCompany Name - PaloAlto Networks

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Santa Clara, California, USA

Full-time

Senior Security EngineerJob Title - Senior Security Engineer

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

Senior Security Engineer Salary: Open + Bonus + Stock Options Location: Remote *We are unable to provide sponsorship for this role* Qualifications Product security or endpoint-focused consulting, with hands-on testing of Windows-based agents or EDR/AV productsExperience building fuzzers or integrating existing fuzzing frameworks for native codeExperience and capability in building automated test harnesses from the ground upStrong Windows OS internals knowledge, especially user-mode hooking and W

Sr. Network Security EngineerJob Title - Sr. Network Security Engineer

McKesson CorporationCompany Name - McKesson Corporation

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Remote or Irving, Texas, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien

Security Access Control EngineerJob Title - Security Access Control Engineer

Allied UniversalCompany Name - Allied Universal

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Livermore, California, USA

Full-time

Overview Join Allied Universal Technology Services, a global leader in transforming the security industry. We integrate advanced technology - video surveillance, electronic access control, alarm monitoring and augmented solutions with physical security to help people feel safe. Whether you're an installation technician, service technician, engineer, or project manager, you'll discover rewarding opportunities to grow your career as part of a valued team. Apply today and be phenomenal-build a me

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

TikTokCompany Name - 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

Senior Network Security Engineer - TOP SECRET Clearance w/SCI Eligibility RequiredJob Title - Senior Network Security Engineer - TOP SECRET Clearance w/SCI Eligibility Required

American Systems CorporationCompany Name - American Systems Corporation

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Ridgecrest, California, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. U.S. Citizenship Required for the purposes of obtaining/holding a U.S. security clearance Responsibilities AMERICAN SYSTEMS is seeking a Senior Network Security Engineer with 5-7 years of hands-on experience to support secure in

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

TikTokCompany Name - 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

Cyber Systems Security Engineer Staff - Skunk Works - Level 4Job Title - Cyber Systems Security Engineer Staff - Skunk Works - Level 4

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Palmdale, California, USA

Full-time

Job Description The Cyber Systems Security Engineer Staff will be responsible for leading a team of fellow engineers in the designing, assembly, integration, and maintenance of System Integration Lab (SIL), particularly focusing on network planning, hardware installation, software integration support, verification, and validation of system functionality. In addition to designing and building the SIL the applicant will be responsible for ensuring the SIL is NIST/RMF/JSIG compliant and assist in

Security Solutions Engineer llJob Title - Security Solutions Engineer ll

Allied UniversalCompany Name - Allied Universal

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Santa Ana, California, USA

Full-time

Senior Security Engineer, Endpoint SecurityJob Title - Senior Security Engineer, Endpoint Security

Snowflake Inc.Company Name - Snowflake Inc.

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Remote or Menlo Park, California, USA

Full-time

Where Data Does More. Join the Snowflake team. Responsible for designing, implementing, and maintaining endpoint security solutions with a specific emphasis on browser security. Leads efforts to identify vulnerabilities, implement remediation strategies, and ensure compliance with security policies and regulations. Performs security assessments of company products that may include vulnerability and risk assessments, threat analysis, and security code reviews to identify potential design and imp

Senior Software Engineer, Security ProductsJob Title - Senior Software 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