Senior IT Infrastructure & Systems Engineer
Role details
Job location
Tech stack
Job description
If you thrive when you're deep in technical challenges - improving reliability, fixing issues, maintaining infrastructure, and making systems better - you'll fit in perfectly here.
What You'll Do (100% Hands-On Technical Work)
You will be the technical owner of our IT systems - responsible for ensuring they run smoothly, securely, and efficiently.
Core responsibilities:
- Deliver expert support and resolve complex technical issues quickly
- Maintain and improve our Unifi network infrastructure across Fenstanton, Glasgow, Armagh, and Paderborn
- Administer our on-prem and cloud environments including:
- Azure, AVD, Azure AD, Intune, SharePoint
- Windows Server and related services (DNS, DHCP, AD)
- Oversee and maintain our business-critical systems including:
- SAP Business One, WMS (Koerber), BPA Taskcentre, routing platforms
- SQL databases, SSRS, Crystal Reports, Power BI
- Manage integrations between internal systems and 3rd-party tools
- Improve system stability, monitoring, automation and documentation
- Look after key platforms including:
- Unifi CCTV, Connect365, Yodeck, website infrastructure (WooCommerce)
- Deliver hardware/software provisioning and lifecycle management
- Ensure security best practices and continuously improve our Microsoft Secure Score
- Maintain high availability and reliability across all technology used by the business
- Identify opportunities to streamline, automate, and harden our environment
This role is not strategic, managerial, or people-focused. It is for someone who wants to remain deep in the technical trenches., To avoid any misunderstanding, this role does NOT involve:
- Line management
- Building or running a team
- Departmental strategy creation
- Budget ownership
- KPI/ SLA administration
- Project programme management
- Corporate governance frameworks
If you enjoy doing the technical work rather than managing it, you'll love this role.
Requirements
Do you have experience in SharePoint?, A purely hands-on technical role - no people management, no corporate politics, just excellent IT delivery.
Are you an experienced IT engineer who loves technical problem-solving, building robust systems, and keeping technology running smoothly - but has no interest in managing people or sitting in endless strategy meetings?
We're looking for a highly capable hands-on Senior IT Infrastructure & Systems Engineer to take end-to-end ownership of our IT environment across multiple sites. This role is for someone who enjoys doing the work, not managing others., Must-haves:
- A passion for hands-on technical engineering
- Strong experience with Microsoft/Azure environments
- Networking experience (ideally Unifi)
- Proven track record supporting server, cloud, and hybrid systems
- Solid troubleshooting instincts and a methodical approach
- Ability to work independently and take full technical ownership
- Strong communication with end-users and colleagues when issues arise
Nice-to-haves (not essential):
- Experience with SAP Business One, SQL reporting, or automation
- Background supporting multi-site environments
- Scripting skills (PowerShell, SQL etc.)