Role: Senior IT Engineer Location: On-site, Abingdon, Oxfordshire Salary : Up to £60,000 performance bonus Ready to step up in your IT career? Our client — a trusted technology partner for over 30 years — is expanding and looking for a Senior IT Engineer with strong networking expertise to join their growing team. They deliver responsive, high-quality IT solutions to 400 sites nationwide, and pride themselves on exceptional customer service and long-term client partnerships. This role is ideal for a confident, customer-focused engineer who enjoys variety, ownership, and hands-on technical work. What you’ll do • Lead and deliver new installations, upgrades, and infrastructure projects • Provide expert on-site and remote technical support • Troubleshoot complex networking issues and maintain system performance • Implement robust network security and apply patches/firmware • Plan capacity, optimise performance, and support future growth • Mentor junior engineers and contribute to internal best practices • Maintain accurate documentation, diagrams, and reporting • Support project management, scheduling, and cross-team collaboration What you’ll bring • 4–5 years in a similar role • Strong communication and relationship-building skills Proven experience with: • Cisco routers & switches • Networking & security (TCP/IP, Fortinet firewalls) • Windows Server (2016–2022), Active Directory, Azure AD • Azure, Office 365, Intune • Windows 10/11, Apple devices, MDM (Intune/Apple/Meraki) • Hyper-V virtualisation • Backup, DR, and general infrastructure management • SQL experience is a bonus Why join? • Company pension • Private healthcare & life cover • Employee discounts • Flexible schedule • Profit-sharing after 12 months If you're a skilled engineer who thrives in a fast-paced, customer-driven environment, this is a fantastic opportunity to make a real impact.