Senior Systems Administrator

Salary: £40,000 - 47,000 per year

Requirements:

• Proven track record in systems administration across Windows and macOS environments
• Hands-on skills across Microsoft 365, Entra ID, and Intune/device management
• Strong understanding of Active Directory, Group Policy, DNS, DHCP, and core Microsoft infrastructure services
• Demonstrable experience with Hyper-V/virtualisation, backup solutions, disaster recovery planning, and resilience testing
• Solid networking knowledge, including LAN, WAN, VLANs, VPNs, and firewalls
• Ideally have PowerShell skills and a strong grasp of automation
• Desirable experience with Linux, Terraform or Ansible, Teams telephony, IIS, and disaster recovery simulations

Responsibilities:

• Act as a subject matter expert for Windows, macOS, Active Directory, Group Policy, DNS, DHCP, and Microsoft infrastructure services
• Administer and improve Microsoft 365, including Exchange Online, Teams, SharePoint, and Entra ID
• Manage modern endpoint environments across Windows 10/11, macOS, and iOS using Intune
• Support and maintain Hyper-V virtualisation, storage, and backup platforms
• Lead 2nd and 3rd line escalations, root cause analysis, and preventative improvements
• Drive patching, system hardening, and vulnerability remediation
• Contribute to internal IT upgrades, migrations, and wider improvement initiatives
• Keep technical documentation, runbooks, and asset records accurate and up to date
• Provide mentoring, guidance, and knowledge-sharing with junior IT colleagues

Technologies:

• Active Directory
• Ansible
• Hyper-V
• Support
• LAN
• Linux
• macOS
• Microsoft 365
• PowerShell
• SharePoint
• Terraform
• Windows
• iOS
• Office 365
• Security

More:

We are a fast-growing, globally reaching SaaS company with a strong reputation in our domain. We offer a hybrid working model, with around 3 days per week in the office in central Glasgow or central Edinburgh. We provide a comprehensive benefits package including annual and spot bonuses, a generous holiday allowance, flexible working, healthcare, progression, recognition rewards, and a supportive working environment where staff are at the centre.

last updated 31 week of 2026