Principal Security Engineer Jobs in California

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141 - 160 of 433 Jobs

Senior SOC Security Engineer

Calendly

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Remote

Full-time

About the team & opportunity What's so great about working on Calendly's Security team? We make things possible for our customers through innovation. Calendly is seeking a Senior Security Engineer who will bring curiosity, technical knowledge and desire to up-level people around you. You will report to the Head of Security Operations and will be responsible for many of the key functions around security operations including incident response, enterprise level security and enhancing threat detect
Posted 21 days ago | Updated 6 hours ago

Security Engineer, Threat Intelligence

Dropbox Inc

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Remote

Full-time

Role Description Dropbox Threat Intelligence leverages data-driven insights to understand and counteract potential threats to Dropbox and its users. By analyzing attack patterns and threat actors, we provide actionable intelligence that supports the business in fortifying defences and enhancing security resilience. In this role you will investigate critical threats to Dropbox and our customers, profiling threat actors and uncovering the actions, techniques and objectives of these malicious acto
Posted 17 days ago | Updated 6 days ago

Information Systems Security Engineer (ISSE)

RTX Corporation

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San Jose, California, USA

Full-time

Date Posted: 2025-06-25 Country: United States of America Location: CA827: 100 Headquarters Dr San Jose 100 Headquarters Drive , San Jose, CA, 95134 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: TS/SCI Applied Signal Technology (AST) is seeking an Information Systems Security Engineer who strives for excellence and
Posted 36 days ago | Updated 6 hours 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 6 hours ago

Offensive Security Engineer, Penetration Testing

Stripe

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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
Posted 39 days ago | Updated 6 hours ago

Senior Product Security Engineer, Secure Design

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're look
Posted 37 days ago | Updated 6 hours ago

Software Engineer, UI - Security Platform

Splunk Inc.

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Tennessee, USA

Full-time

Description Role Summary Join us as we pursue our exciting vision to make machine data accessible, usable and valuable to everyone. We're committed to our work, customers, having fun and most importantly to each other's success. Learn more about Splunk careers and how you can become a part of our journey! Are you passionate about working on products that have a positive impact on the technology world? Do you enjoy building large scale applications that are running on huge data sets? Do you val
Posted 12 days ago | Updated 6 hours ago

Senior Software Engineer - BRIC Endpoint Security

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A143634B 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 co
Posted 18 days ago | Updated 6 hours ago

Security Software Engineer, Identity Infrastructure

Block Inc

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California, USA

Full-time

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams - People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more - provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture
Posted 32 days ago | Updated 6 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 19 days ago | Updated 2 hours 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 2 days ago | Updated 6 hours ago

Application Security Engineer

Aduril Industries

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Costa Mesa, California, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 49 days ago | Updated 6 hours ago

Software Engineer II in Cloud Security

Uber Corporate

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Sunnyvale, California, USA

Full-time

About the Role/Team As a Software Engineer in the Cloud Security team, you will design and build systems that secure our cloud infrastructure and services. You'll work closely with engineering and security engineers to integrate security into our development and deployment workflows. This role offers a unique opportunity to combine software engineering with hands-on security problem-solving in a fast-paced cloud environment. What the Candidate Will Need / Bonus Points \\-\\-\\-\\- What the Ca
Posted 39 days ago | Updated 6 hours ago

Staff 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 47 days ago | Updated 6 hours ago

Network Security Engineer

McKesson Corporation

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Remote or Columbus, Ohio, 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
Posted 9 days ago | Updated 6 hours ago

Senior Product Security Engineer (San Diego or Irvine)

Costar Group

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San Diego, California, USA

Full-time

Senior Product Security Engineer (San Diego or Irvine) Job Description Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the wor
Posted 57 days ago | Updated 6 hours ago

Cloud Security Engineer/ Remote/ Azure

Motion Recruitment Partners, LLC

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Remote or Boston, Massachusetts, USA

Full-time

Job Description We're looking for a Cloud 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 working to architect and implement security controls for cloud applications and infrastructure. This will be mainly in Azure but supporting an AWS environment as well. You will monitor the cloud environments for risks using Azure Sentinel or AWS GuardDuty. There is also a strong emphasis on implementing IaC proce
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Posted 60+ days ago | Updated 1 hour ago

Senior Product Security Engineer (San Diego or Irvine)

Costar Group

•

San Diego, California, USA

Full-time

Senior Product Security Engineer (San Diego or Irvine) Job Description Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world
Posted 60+ days ago | Updated 5 hours ago

Senior Security Researcher / Reverse Engineer / Malware Analyst

Request Technology, LLC

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Remote

Full-time

NO SPONSORSHIP - NO OPT's No SPONSORSHIP Senior Product Security Engineer SALARY: $180,000 - 220,000 plus 10% plus pre-IPO stock options LOCATION: remote Looking for a Security researcher proficient in reverse engineer. Experience in analyzing malware understanding of cryptography user in ransomware ability to develop tools to augment existing capabilities endpoint hardening and testing. Join a team of cyber Security Engineers focused on building products and solutions for mid-market and enter
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Posted 57 days ago | Updated 14 days ago

Application Security Engineer

Pax8

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Remote or Greenwood Village, Colorado, USA

Full-time

Pax8 is the leading cloud-based technology marketplace, simplifying the cloud journey for our partners by integrating technology, business intelligence and proactive service to deliver an unparalleled experience. Serving thousands of partners through the indirect sales channel, our mission is to build the technology marketplace of the future. We are a fast-growing, dynamic and high-energy startup organization, allowing you to make a meaningful impact on the business. Culture is important to us,
Posted 49 days ago | Updated 2 hours ago