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# Cyber Security Engineer (OUTSIDE IR35)

- **Company:** GCS Ltd
- **Location:** Brixton, UK (Remote available)
- **Salary:** £91,000.0 - £104,000.0
- **Contract:** Temporary contract
- **Skills:** Microsoft Windows, Amazon Web Services, Microsoft Azure, Cloud Computing Security, Cyber Security, Data Security, Multi-Factor Authentication, Identity and Access Management, Microsoft Security Essentials, PCI Data Security Standards, Windows PowerShell, Azure Active Directory, Security Information and Event Management, Software Vulnerability Management, Microsoft InTune, Bicep, Microsoft Sentinel, PSN, Terraform
- **Published:** July 16, 2026
- **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2875232030-2

## About the Role

* Experience working as a Cyber Security Engineer within an enterprise environment.
 * Good knowledge of Microsoft 365 and Azure security.
 * Experience with Microsoft Intune and Microsoft Defender.
 * Understanding of Identity & Access Management, including Microsoft Entra ID, MFA and Conditional Access.
 * Experience supporting or configuring SIEM platforms (Microsoft Sentinel or similar).
 * Knowledge of endpoint security and vulnerability management.
 * Experience working within Azure and/or AWS environments.
 * Basic PowerShell scripting skills.
 * Experience delivering technical projects and working with multiple technology teams.
 * Strong communication skills with the ability to produce clear technical documentation.

Desirable Experience

Experience in any of the following would be beneficial but is not essential:

 * Microsoft Purview, DLP or Information Protection.
 * Zscaler (ZIA/ZPA).
 * AWS Security.
 * Infrastructure-as-Code (Terraform, Bicep or ARM Templates).
 * Experience within the UK Public Sector or another regulated environment.
 * Knowledge of UK GDPR, PSN or PCI DSS.

## Description

Cyber Security Engineer - Microsoft 365 & Azure, A leading public sector organisation is looking for a Cyber Security Engineer to support a major cyber security improvement programme.

Working alongside the Cyber Security, Infrastructure and Platform teams, you'll help deliver a range of security enhancements across Microsoft 365, Azure and AWS, strengthening the organisation's overall security posture while improving identity, endpoint, cloud and data protection capabilities.

This is a fantastic opportunity for someone who enjoys hands-on engineering and wants to be involved in delivering meaningful security improvements across a large enterprise environment., * Deliver security improvement projects across Microsoft 365, Azure and AWS.

 * Implement and enhance security controls across identity, endpoint, cloud and data protection.
 * Configure and support Microsoft Intune, Microsoft Defender, Microsoft Purview and related Microsoft security technologies.
 * Assist with SIEM configuration, alert tuning and security monitoring.
 * Support Identity & Access Management improvements, including MFA, Conditional Access and Microsoft Entra ID.
 * Work closely with Infrastructure, Platform and Service Desk teams to plan and implement security changes.
 * Assist with vulnerability management and endpoint security improvements.
 * Support cloud security initiatives across Azure and AWS.
 * Produce clear technical documentation and operational handover documentation.
 * Work collaboratively with internal technical teams to ensure successful delivery of security initiatives.


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