Senior IT Technician

JOB DESCRIPTION

The Group currently has a vacancy for a highly experienced Senior IT Professional who takes ownership of complex, escalated technical challenges across the network, server and end-user environments. The individual requires a deep, hands-on technical background and should be comfortable working collaboratively (sometimes independently) on high-impact issues and permanently resolving problems through root cause analysis. He/she will also have to:

• Training and support of userbase on IT Systems
• Maintaining mail infrastructure (Postfix, Sendmail, Exim), including Antispam/Antivirus policy, DNSBL configuration, SMTP protocol troubleshooting, and mail routing
• Configuring and administering Fortinet firewall estates (policy configuration, VPN, security profiles, high availability)
• Configuring and maintaining Mikrotik network infrastructure, including routing and inter-site connectivity and troubleshooting
• Wireless network deployment and troubleshooting
• Providing advanced technical support for critical desktop and server issues
• Actioning Service Desk ticket queues, ensuring SLA compliance and quality of escalated resolutions
• Producing technical documentation and knowledge base procedures
• Identifying opportunities for and implementing automation and scripting to reduce manual workload across the team
• Configuring IP camera/CCTV infrastructure, including network integration
• Ensuring completion of daily operational checklists and reporting status to the IT Manager
• Proactive monitoring and capacity/performance management of connected devices and inter-branch connectivity
• Performing Root Cause Analysis on recurring or high-impact incidents, implementing permanent resolutions through root cause analysis
• Undertake travel to sites to perform installations and maintenance as required
• Creating, deploying, and administering Windows Server environments (2016–2025), including DHCP, DNS, Active Directory configuration, Group Policy, and forest/domain administration
• Deploying and maintaining Hyper‑V virtualization infrastructure, including host configuration, guest provisioning, and server migrations
• Administering Biometric Access Control systems, including integration and troubleshooting

• Minimum 12 years' experience as an IT professional, with a track record of resolving escalated issues and supporting end-users across face‑to‑face and remote channels
• Minimum 8 years' experience configuring, implementing, and maintaining corporate LAN & WAN environments
• Advanced proficiency with Microsoft Windows (10, 11) in a distributed environment
• Advanced proficiency with Microsoft Office (2016 - 2024) and Office 365, including deployment and administration
• Proven experience deploying and administering Windows Server (2016 - 2025)
• Strong knowledge of hardware/software configuration, installation, and lifecycle management
• Advanced troubleshooting, diagnostic, and problem‑solving skills, with a focus on root cause analysis on complex issues
• Experience leveraging AI tools (e.g. Claude AI) to improve IT operations, support, or documentation workflows
• Strong networking expertise, including switch and router configuration.

• A security-first mindset, with a strong focus on safeguarding networks, systems, and data across the organization
• Ability to liaise professionally and confidently with vendors and colleagues at all levels, including senior stakeholders
• Strong interpersonal skills with the ability to guide and advise team members
• Hard‑working, self‑motivated, and able to take ownership of complex problems through to resolution
• Ability to work independently on escalated issues as well as collaboratively within a team
• Willing and able to work overtime and be available for…