> Markdown version of [/jobs/ext/1478612-senior-security-engineer-team-lead](https://www.wearedevelopers.com/jobs/ext/1478612-senior-security-engineer-team-lead). 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). --- # Senior Security Engineer (Team Lead) - **Company:** Claranet Limited - **Location:** Leeds, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Computing Platforms, Cyber Security, Intrusion Detection and Prevention, Python (Programming Language), Windows PowerShell, Security Information and Event Management, Data Ingestion, HybridCloud - **Published:** July 29, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2897579937-2 ## About the Role * Significant experience in security engineering and platform management * Strong leadership experience managing technical teams * Deep knowledge of Microsoft Defender and SIEM platforms (e.g. Sentinel) * Experience in hybrid cloud and on-prem environments * Strong understanding of security architecture and frameworks * Experience in regulated environments (e.g. financial services) * Strong stakeholder and client engagement skills * Experience with automation and scripting (PowerShell, Python, etc.) Desirable: * Experience with vulnerability and exposure management tools * Knowledge of security frameworks (NIST, ISO 27001, CIS) * Relevant security certifications (e.g. CISSP, AZ-500, SC-100) ## Description The Senior Security Engineer (Team Leader) is responsible for leading a dedicated security engineering team, combining hands-on platform engineering with technical leadership and people management. You will own security platform architecture, act as the primary escalation point for complex issues, and ensure platforms remain secure, resilient, and compliant within a regulated environment., * Act as technical lead for security engineering and platform architecture * Serve as primary escalation point for complex and major incidents * Provide technical leadership and mentoring to engineers and analysts * Line manage and develop the security engineering and analyst teams * Own platform maintenance, configuration, and lifecycle management * Ensure security platforms are integrated across hybrid environments * Oversee patching, upgrades, and platform performance * Drive platform improvements and engineering enhancements * Support detection engineering, tuning, and platform optimisation * Lead automation and SOAR initiatives to improve efficiency * Collaborate with SOC providers on SIEM governance and data ingestion * Ensure platforms meet regulatory and compliance requirements * Maintain engineering documentation, standards, and governance * Represent engineering in client governance and audit activities * Coordinate cross-team resolution of complex technical issues ## Related Videos - [When React Meets Reality: Building a Real-Time Control Room for Autonomous Vehicles](https://www.wearedevelopers.com/videos/2091-when-react-meets-reality-building-a-real-time-control-room-for-autonomous-vehicles) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) - [You can’t hack what you can’t see](https://www.wearedevelopers.com/videos/41-you-can-t-hack-what-you-can-t-see) - [Build Delightful Mobile Experiences with Kotlin, Realm, and Atlas Device Sync](https://www.wearedevelopers.com/videos/694-build-delightful-mobile-experiences-with-kotlin-realm-and-atlas-device-sync) ## Related Articles - [Events like RSAC Get You CISOs. Developers Decide What Actually Gets Deployed.](https://www.wearedevelopers.com/magazine/693-events-like-rsac-get-you-cisos-developers-decide-what-actually-gets-deployed) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)