> Markdown version of [/jobs/ext/3174884-principal-security-software-engineer](https://www.wearedevelopers.com/jobs/ext/3174884-principal-security-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Security Software Engineer - **Company:** HP - **Location:** Cambridge, UK - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Unit Testing, C++ (Programming Language), Static Program Analysis, Software Quality, Code Review, Computer Programming, System Configuration, Continuous Integration, Software Debugging, Linux, Python (Programming Language), Windows PowerShell, Security Software, Software Engineering, Systems Integration, Virtualization Technology, Software Vulnerability Management, Rust (Programming Language) - **Published:** September 21, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=675f7df47ea86c4d ## About the Role + Significant experience building, securing, and maintaining production software, ideally endpoint, security, or systems software. + Strong programming experience in C, C++, Rust, Python, PowerShell, or comparable languages. + Experience developing software for Windows and/or Linux, including operating-system, virtualisation, isolation, or other security-sensitive components. + Strong experience with code review, debugging, unit and integration testing, and modern build, continuous integration, and release workflows. + Practical experience selecting, integrating, configuring, or improving static analysis tools and resolving the issues they identify. + Ability to work effectively in a complex codebase and drive improvements to software quality, reliability, and security., + Experience applying secure software development lifecycle practices, including threat modelling, secure design, vulnerability management, and release governance. + Experience with vulnerability disclosure, severity assessment, remediation planning, and security updates. + Experience leading technical initiatives and influencing teams without direct line-management authority. Excellent written and verbal communication skills, with a collaborative and pragmatic approach. + ## Description + Lead the definition and delivery of improvements to Wolf Security's secure software development lifecycle in line with CRA expectations. + Introduce better static analysis tools, improve their integration into development and build workflows, tune rules and policies, and help teams resolve the issues they identify. + Establish approaches for triaging findings, managing false positives, tracking remediation, and measuring security improvement. + Promote security-by-design and secure-by-default principles through threat modelling, design reviews, architectural guidance, and secure coding practices. + Improve the identification, assessment, documentation, and remediation of vulnerabilities throughout the software development lifecycle. Provide technical leadership on complex security problems, make engineering trade-offs, and mentor engineers through constructive review. + What it's like As part of a highly skilled engineering team, you'll help solve complex technical challenges, scale our virtualization platform for future products, and shape the next generation of HP Wolf Security's isolation technology used by millions of endpoints worldwide.