> Markdown version of [/jobs/ext/4699416-senior-it-technician](https://www.wearedevelopers.com/jobs/ext/4699416-senior-it-technician). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior IT Technician - **Company:** SG Technologies Limited - **Location:** Rainham, United Kingdom - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, CompTIA Network+, CompTIA Security+, Cyber Security, Dynamic Host Configuration Protocol, Domain Name System (DNS), Multi-Factor Authentication, Hyper-V, Information Technology Operations, Virtual Private Networks (VPN), Local Area Networks, Windows Servers, Routing, Server Administration, TCP/IP, Virtual Local Area Networks, Virtualization Technology, Windows Desktop, Wi-Fi Technology, Office365, Information Technology, Patch Management, Laptops, Network Server, Cisco, Vmware - **Published:** November 13, 2026 - **Apply:** https://www.totaljobs.com/job/senior-technical-support-agent/sg-technologies-limited-job108319174 ## About the Role * Hands-on IT support experience, including supporting networks and servers. * Strong networking knowledge, including TCP/IP, VLANs, routing, DHCP, DNS, Wi-Fi and VPN. * Experience with Windows Server, Active Directory, Group Policy and virtualisation technologies such as VMware or Hyper-V. * Good working knowledge of Microsoft 365 and Windows desktop environments. * A solid understanding of cybersecurity principles, including endpoint protection, MFA, patch management and incident response. * Strong troubleshooting and problem-solving skills, with the ability to manage competing priorities. * Excellent communication and customer service skills, with the ability to support both technical and non-technical colleagues. * The ability to work independently while collaborating effectively with remote IT teams. * Experience within a manufacturing or industrial environment, and familiarity with security solutions such as CrowdStrike and Proofpoint, would be advantageous., * A diploma or degree in IT, Computer Science, Network Engineering or a related discipline, or equivalent practical experience. * Industry certifications such as CompTIA Network+, Security+, Cisco CCNA or Microsoft certifications would be beneficial. ## Description We are looking for an experienced and proactive Senior IT Technician to take ownership of the day-to-day IT operations and support at our Rainham site, ensuring the reliability, performance and security of our IT infrastructure, network, servers, end-user devices and manufacturing systems. Working closely with local site management and the wider Corporate IT team, you will provide technical support, troubleshoot issues, implement corporate IT standards and support the delivery of IT projects and improvements. Tasks Responsibilities will include: * Managing and maintaining the site's IT infrastructure, including local networks, Wi-Fi, servers, hardware and connectivity. * Providing first-line and hands-on technical support to employees across desktops, laptops, mobile devices, printers and Microsoft 365 applications. * Maintaining the on-site server room, including server administration, virtualisation, backups and routine maintenance. * Supporting production-floor IT equipment and manufacturing systems, working closely with operational and engineering teams. * Implementing and maintaining IT security measures, including device protection, patching, access controls and cybersecurity best practices. * Assisting with security incidents, troubleshooting and recovery activities in coordination with Corporate IT. * Acting as the key liaison between the site and Corporate IT, supporting system upgrades, projects, rollouts and ongoing improvements. * Maintaining IT documentation, asset records and ensure compliance with corporate IT policies and procedures.