Senior IT Infrastructure EngineerAnnual Salary: £45,000Location: AbingdonWe are seeking a Senior IT Infrastructure Engineer to work for our client based in Abingdon - This role involves the implementation and ongoing management of their IT infrastructure across both on-premises and Azure cloud environments.The ideal candidate will be a proactive professional capable of leading projects from concept to completion and ensuring the delivery of robust, secure, and scalable infrastructure solutions.Day-to-day of the role:Implement and maintain hybrid infrastructure solutions (Azure + on-prem) that meet performance, security, and compliance requirements.Manage and optimise Windows Server, SQL Server, and Azure environments including Virtual Machines, Networking, Storage, Backup, and Monitoring.Maintain and secure Active Directory, Group Policy, DNS, DHCP, and Azure AD (Entra ID) synchronisation.Ensure high availability and resilience across all servers, networks, and databases supporting business-critical applications.Deliver advanced troubleshooting and root cause analysis for complex infrastructure issues.Proactively identify opportunities for improvement, automation, and optimisation across all infrastructure areas.Maintain alignment with Cyber Essentials Plus and GDPR, implement and manage endpoint protection, patch management, and vulnerability remediation.Ensure data protection and system continuity through effective backup, disaster recovery, and business continuity planning