Salary: £30,000 - 40,000 per year Requirements: Strong experience with Linux system administration (e.g., RedHat, CentOS, Ubuntu or similar) Experience with virtualisation technologies (VMware, Hyper-V or similar) Basic to intermediate networking knowledge (TCP/IP, DNS, DHCP, VLANs, firewalls) Experience supporting broader IT infrastructure environments Strong troubleshooting and problem-solving skills Ability to work both independently and as part of a team Responsibilities: Administration, maintenance, and optimisation of Linux servers Monitoring system performance and ensuring high availability Troubleshooting and resolving technical issues across Linux environments Supporting IT infrastructure projects (servers, virtualisation, storage) Assisting with networking tasks including switches, firewalls, and connectivity Contributing to system upgrades, patching, and security best practices Collaborating with wider IT teams to deliver technical improvements Technologies: Hyper-V Linux Security TCP/IP Ubuntu VMware More: We are a growing organization based in Sheffield, proud to offer an excellent opportunity for a technically strong Linux professional. Our supportive and forward-thinking environment is designed to broaden your exposure across IT Infrastructure and Networking. We offer a salary range of £30,000 to £40,000 depending on experience, along with real ownership and responsibility in a varied technical role. Join us to gain broader infrastructure and networking exposure while benefiting from opportunities for development. last updated 11 week of 2026