Salary: £33,000 - 65,000 per year Requirements: Strong analytical and troubleshooting skills. Significant experience managing enterprise-scale digital systems. Deep understanding of networking and systems management. Proven track record delivering security or service improvements. Able to self-start and drive change through to completion. Effective knowledge-sharing and ability to hand over to BAU teams. Experience contributing to cyber security certification projects. Experience with penetration test remediation and vulnerability management (desirable). Knowledge of Zero Trust approaches (desirable). Familiarity with incident detection/response processes (desirable). Experience integrating risk/security data into reporting or automation tools (desirable). Microsoft engineering certifications, MCSE, or ITIL certification (desirable). Responsibilities: Interpret and apply security standards (Cyber Essentials, CAF, NIST, NCSC) to define remediation actions. Lead or support security improvements across Azure and on‑prem environments. Configure, optimise, and manage Microsoft Defender and related endpoint, identity, and cloud security tools. Identify and report security non‑compliance, recommending technical fixes. Prepare Change Requests and implementation plans for approval boards. Implement and test security solutions, documenting outcomes for audit and traceability. Collaborate with engineering, architecture, development, and operations teams to resolve security issues. Contribute to automation and SecOps improvements via scripting, pipelines, and IaC. Produce clear technical documentation and handover materials for BAU teams. Support continuous improvement of security assurance and configuration baselines. Technologies: Azure Cloud Support ITIL Security DevOps VMware Windows More: We are a public sector organization seeking an experienced Senior Infrastructure & Cloud Engineer to support a major security uplift programme within a large, enterprise-scale environment. You will be part of our dedicated cyber security team, focusing on delivering improvements aligned to security accreditation and assurance frameworks, including Cyber Essentials and Zero Trust principles. This is a 12-month contract with competitive pay, and we emphasize collaboration and continuous improvement within our team. Join us in making a significant impact on our security landscape. last updated 12 week of 2026