Cyber Security Engineer — £550 – £650/day Inside IR35, London

We're seeking a hands-on Cyber Security Engineer to embed Secure by Design principles across technology programmes while helping improve and optimise a suite of enterprise security platforms.

This is an excellent opportunity for a security professional who enjoys working across architecture, engineering and delivery teams, influencing projects from inception through to deployment while providing practical, pragmatic security guidance.

✅ Secure by Design & Security Assurance ✅ Security Architecture & Design Reviews ✅ Threat Modelling & Risk Identification ✅ Microsoft Security Stack (Identity, Endpoint, Cloud & Monitoring) ✅ Security Platform Configuration & Support ✅ Security Standards, Controls & Governance ✅ Vendor & Security Tool Management ✅ Stakeholder Engagement Across Engineering & Delivery Teams

Embed security into projects and programmes from day one Conduct security design reviews and lightweight threat modelling Drive security assurance throughout the delivery lifecycle Enhance configuration, adoption and effectiveness of security platforms Support onboarding and implementation of new security tooling Act as a key liaison between Security, Architecture, Engineering and Delivery teams Develop practical standards, templates and guidance to improve secure-by-design outcomes Manage platform-related requests, vendor engagement and continuous improvement initiativesIdeal Background

Strong experience delivering Secure by Design outcomes within complex enterprise environments Experience reviewing solution architectures and identifying pragmatic security controls Hands-on experience with Microsoft security technologies Exposure to cloud, infrastructure, applications and integration security Experience supporting or administering security tooling and platforms Ability to operate independently and quickly add value in a fast-paced environmentDesirable

Security Architecture or Engineering background IAM technologies such as One Identity, Delinea or StrongDM Experience within regulated, utilities, energy or critical infrastructure environmentsA great opportunity for a delivery-focused security contractor to influence major technology initiatives, improve security engineering practices and help drive a Secure by Design culture across a large and complex organisation.

GCS is acting as an Employment Business in relation to this vacancy

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