Senior IT Engineer | Fyfield, Oxfordshire | Full Time (office-based) | £50,000 business/performance-related bonus Our client is a well-established IT solutions provider with over 30 years' experience supporting several hundred sites nationwide. Known for technical excellence, innovation, and strong customer relationships, they are now seeking a Senior IT Engineer with a strong focus on Networking and Firewalls to join their growing Fyfield-based team. You will play a key role in delivering new projects and installations, maintaining existing infrastructure, and providing both remote and on-site support. This is a hands-on, senior-level position that involves network design, security, troubleshooting, documentation, and mentoring junior engineers. Please note- You must live within a commutable distance of our client's Fyfield office and be able to work in an office-based role. Are you the right person for the job? 4–5 years' experience in a similar senior IT/networking role Strong customer-facing skills with the ability to build long-term client relationships Cisco routers and switches TCP/IP networking, routing, and IT security Firewall configuration, management, and reporting (Fortinet) Windows Server administration Virtualisation (Hyper-V, clustering) Active Directory & Azure AD Microsoft technologies: Azure, Office 365, Intune Windows 10/11 and Apple device support (MDM: Intune, Apple, Meraki) Backup, disaster recovery, and monitoring Microsoft SQL Server experience (advantageous) Excellent written and verbal communication skills Able to commute to and work from the Fyfield office What will your role look like? Design, implement, and maintain scalable and secure network solutions Configure, manage, and support firewalls (Fortinet) and Cisco networking equipment Monitor network performance, troubleshoot complex issues, and manage capacity planning Ensure systems are monitored, backed up, patched, and secure Lead and manage network projects and upgrades Provide on-site and remote end-user support where required Maintain high-quality documentation, diagrams, and reports (WUG, SolarWinds, IT Glue) Support and mentor junior engineers and coordinate field engineers Work closely with senior management and other teams to deliver projects on time What's on Offer Company pension Private healthcare Group life insurance Employee discounts Flexible working schedule Profit-share eligibility after 12 months' service What's next? It's easy! Click “APPLY” now! We can't wait to hear from you! Your data will be handled in line with GDPR