Principal Software Engineer - Product Security

Google Chrome Microsoft Edge Apple Safari Mozilla Firefox Principal Software Engineer - Product SecurityFull-timeEmployee Type: RegularRegion: EMEA - Europe, Middle East and AfricaWork Persona: FlexibleCompany DescriptionIt all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build a company that could do that for everyone—freeing people from busywork so they could focus on meaningful work. Today, ServiceNow is the AI control tower for business reinvention. Our ServiceNow AI platform brings together any AI, any data, and any workflow— helping 85% of the Fortune 500® work smarter, faster, and better. We're building an AI-native culture where technology and talent are unstoppable together. And we're just getting started.Join us to put AI to work for people.Job DescriptionThe OpportunityServiceNow’s Product Security organisation is building a dedicated Security R&D function — a software engineering team that builds security capabilities with the same rigour, CI/CD discipline, and quality standards as ServiceNow’s product engineering organisation. We are looking for a Sr. Staff Security Engineer to be a technical anchor on this team.Security R&D operates in two complementary modes: open contribution to product engineering — writing code alongside product teams where security expertise adds value — and developing its own security capabilities, including internal tooling, externally facing product features, AI-powered security automation, and third-party integrations.This is a new team being stood up in Petah Tikva, Israel, co-located with ServiceNow’s AI Security Research team. You will be one of the senior technical leaders shaping the team’s engineering culture, architecture decisions, and technical direction from its inception.This role reports to the Sr. Engineering Manager, Security R&D.What You Will DoLead Technical Design and ArchitectureDrive architecture and design decisions for Security R&D’s capabilities, ensuring systems are built for enterprise scale, reliability, and maintainability.Lead technical design reviews and serve as the senior engineering voice on security tooling, automation, and platform services built by the team.Define technical standards, code quality expectations, and engineering best practices for the Security R&D team.Evaluate and integrate third-party security services alongside in-house AI-powered capabilities to maximise security review coverage.Build Security Capabilities at Platform ScaleDesign and develop security tooling, automation, and platform-native services — both for internal use and as externally facing product features.Contribute code directly into ServiceNow product engineering codebases where security domain expertise accelerates delivery and improves security outcomes.Leverage ServiceNow’s unique platform advantages — Agent Framework runtime, ACL enforcement, data layer, and workflow engine — to build capabilities that external vendors cannot replicate.Collaborate with the AI Security Research team on AI agent security tooling, bringing production engineering discipline to an emerging domain.Mentor and Elevate the TeamMentor junior and mid-level engineers, raising the technical bar across the team through code reviews, design guidance, and hands-on pairing.Represent Security R&D in cross-functional discussions with product engineering leadership, demonstrating technical credibility as an engineering peer.Contribute to hiring by helping define the technical interview bar and participating in candidate evaluations.What Makes This Role UniqueBuilder-led culture: Security R&D is defined by engineering output, not advisory reviews. We build production security capabilities with the same discipline as product engineering.Dual operating model: The team both contributes directly to product engineering and develops its own security products and services.Platform...