Systems Administrator

- Support cyber programme activities, delivering infrastructure changes aligned to recognised security frameworks (e.g., E-CAF) - Improve system patching and secure configuration in line with vulnerability management standards - Drive system hardening best practices, including development and deployment of gold build standards - Retrofitting security controls to existing systems - Investigate and resolve incidents and problems, ensuring minimal disruption to business-critical systems - Support the roll out and configuration of security technologies, including network intrusion detection systems and Endpoint Detection & Response (EDR) - Collaborate on documentation for secure management of IT and security tooling within an OT environment - Ensure robust User Acceptance Testing (UAT) prior to system releases - Strengthen Identity & Access Management processes, including Joiner/Mover/Leaver workflows - Support implementation and ongoing management of Active Directory, including identity governance - Manage system changes within an ITIL-based framework - Work with internal teams and third-party suppliers to implement cyber and physical security controls - Deliver work in line with governance standards, project timelines, cost, and quality expectations - Able to work in a collaborative, multi-disciplinary environment