Senior Systems Administrator

Salary: £41,000 - 81,000 per year

Requirements

• We require 6+ years of desktop and/or server support experience.
• We require experience designing network architectures, including LAN/WAN networking and Windows Servers.
• We require experience troubleshooting network configuration and hardware issues.
• We require experience troubleshooting server hardware issues.
• We require knowledge and experience with Microsoft Server and Workstation technologies.
• We require knowledge and experience with Office 365 and Azure.
• We require excellent written and oral communication skills.
• We require the ability to explain technical information to non-technical people.
• We require excellent customer service skills.
• We require strong problem-solving skills with the ability to prioritise and coordinate multiple tasks.
• We require the ability to work independently and as part of a team.
• We require the ability to follow documented processes and escalate unclear variables appropriately.
• We require flexibility to work after hours when necessary or participate in an on-call rotation if applicable.

Responsibilities

• We analyse and document unfamiliar client and server network environments to determine the quickest path to incident resolution.
• We perform rapid analysis of workstation and server incidents and identify root causes.
• We support a wide range of diverse computing environments across multiple business sectors.
• We develop client standards based on our best practices and evaluate client needs.
• We troubleshoot and research server-level and network-level issues independently.
• We review escalation notes and resolve complex technical issues efficiently.
• We resolve incidents involving mail applications and Office 365.
• We troubleshoot firewall issues, including SSLVPN, site-to-site VPN, and access rules.
• We assess backup and disaster recovery solutions to help ensure data retention and uptime.
• We resolve client/server connectivity issues in line with standard operating procedures.
• We perform data restores at both individual file level and company-wide level.
• We support remote access incidents, including Citrix and Terminal Services.
• We handle incidents escalated from Systems Engineers.
• We provide remote client support and work closely with end users.
• We collaborate with our engineering team to support our growing client base.

Technologies

• Azure
• Citrix
• Firewall
• Hardware
• Support
• LAN
• Network
• Office 365
• VPN
• Windows
• Cloud

More

We are seeking a technical Systems Administrator to join our engineering team and support our growing client base through remote client support and hands-on technical problem solving. This permanent role is based in Nottinghamshire, with at least three days in the office and flexible hybrid working. You will work in a collaborative environment where strong customer service, technical depth, and the ability to communicate clearly with both technical and non-technical stakeholders are essential. Please contact us for full details.

last updated 19 week of 2026