A well-established IT services environment is looking for a sharp, hands-on Senior Support Engineer to take ownership of infrastructure, support, and security across a fast-paced client environment. This role suits someone who thrives under pressure, enjoys solving complex problems, and takes pride in keeping systems stable, secure, and performing at a high level. Key Responsibilities Act as the escalation point for technical support issues and resolve incidents efficiently. Maintain and optimise Windows server environments and endpoint infrastructure. Manage Active Directory, Group Policies, and endpoint security. Administer Microsoft Intune and Microsoft 365 environments. Configure and maintain networks including VLANs, VPNs, and routing. Manage and support pfSense firewalls and UniFi environments. Implement and maintain backup and disaster recovery solutions. Ensure systems meet security, patching, and compliance standards. Maintain accurate documentation and support audit readiness. Lead infrastructure upgrades, migrations, and improvement projects. Manage vendors, licensing, and IT assets across their lifecycle. Requirements Strong Windows Server administration experience. Proven pfSense firewall experience. Solid networking knowledge including VLANs, VPNs, and routing. Experience with Microsoft Intune and Microsoft 365. Strong backup and disaster recovery experience. Exposure to security best practices and compliance environments. Ability to manage full infrastructure across hardware, software, and cloud. Strong documentation, organisation, and governance discipline. Clean criminal record. What We’re Looking For A problem-solver who takes ownership and delivers results. Strong communicator who can engage both technical and non-technical stakeholders. Highly organised with strong attention to detail. Comfortable working in a fast-paced, multi-client environment. Team player who contributes and shares knowledge. Someone who enjoys learning and staying ahead of technology trends. Working Environment Fully onsite role based in Somerset West. Monday to Friday. Occasional after-hours support when required. Interview process includes a practical technical assessment.