Senior Network Engineer

Role: Senior Network Engineer Location: Abingdon, Oxfordshire Salary : Up to £57,000 + performance-related bonus Type: On-site, Permanent Join a well-established IT solutions provider with over 30 years' experience supporting 400+ client sites nationwide.

We're looking for a customer-focused Infrastructure Engineer with strong networking expertise to join the growing team. The Role You'll lead and support networking projects, manage infrastructure, and provide remote and on-site support.

You'll work closely with customers and internal teams to deliver secure, scalable, and high-quality IT solutions. Key Responsibilities Design, implement, and support secure, scalable network solutions across multi-site customer environments.

Lead the delivery of network and core infrastructure projects, including new installations, upgrades, and migrations. Manage and maintain on-prem and cloud infrastructure, ensuring high availability, performance, and security.

Provide senior-level support for routing, switching, firewalls, VPNs, and WAN connectivity. Administer and support Windows Server environments, virtualised platforms (Hyper-V), and associated services. Support and optimise Microsoft cloud technologies, including Azure, Azure AD, Office 365, and Intune.

Monitor infrastructure performance, capacity, and security; proactively identify risks and improvement opportunities. Implement and maintain security policies, patching, firmware updates, and disaster recovery solutions.

Act as an escalation point for complex technical issues, providing remote and on-site support where required. Produce and maintain high-quality technical documentation, including network diagrams, configurations, and procedures.

Work closely with senior management and other technical teams to define standards, policies, and best practices. Provide technical guidance, mentoring, and oversight to junior engineers and field teams. Key Skills & Experience 4-5 years in a similar senior IT/networking role Cisco routers & switches TCP/IP networking, firewalls (Fortinet), and IT security Windows Server (2016/2019/2022), Hyper-V Active Directory & Azure AD Microsoft Azure, Office 365, Intune Windows 10/11 & Apple device support (MDM/Meraki) Backup & disaster recovery solutions Strong communication and customer-facing skills SQL Server experience beneficial What We Offer Company Car Company pension Private healthcare & group life cover Flexible working schedule Employee discounts Profit-share eligibility after 12 months

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