Job Description
Role: Senior Infrastructure Engineer Location: Abingdon, OxfordshireSalary: Up to £55,000 + performance-related bonusType: 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 Senior IT 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