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Senior Systems Administrator

Job description

Senior Windows Systems Administrator – (with Linux Knowledge) | £60,000 – £70,000 + Bonus | Hybrid – Cambridge

Are you a seasoned Windows Systems Administrator with a passion for infrastructure, automation, and cross-platform environments? We’re working with a top-tier client who is looking for a Senior Windows Sys Admin with solid Linux exposure to join their high-performing infrastructure team. This is a fantastic opportunity to work on large-scale enterprise systems and contribute to strategic technical decisions.

The Role:
As a Senior Systems Administrator, you’ll be responsible for maintaining and enhancing a complex Windows server environment while collaborating on projects involving Linux systems. You’ll be a key player in ensuring infrastructure stability, performance, and scalability across the organisation.
Key Responsibilities:
  • Manage and maintain Windows Server environments (2016/2019/2022)
  • Support Active Directory, Group Policy, DNS/DHCP, and Exchange/O365
  • Assist with Linux server administration (RedHat/CentOS/Ubuntu)
  • Implement infrastructure automation (PowerShell, Bash, Ansible, or similar)
  • Troubleshoot system issues and provide 3rd line support
  • Contribute to infrastructure projects: migrations, upgrades, and security hardening
  • Work closely with networking, cloud, and DevOps teams
Requirements:
  • 5+ years' experience in a Windows Systems Administrator or similar role
  • Strong PowerShell scripting and automation skills
  • Working knowledge of Linux systems (enough to troubleshoot, script, and support basic admin tasks)
  • Experience with virtualization platforms (VMware/Hyper-V)
  • Familiarity with monitoring tools and patch management solutions
  • Solid understanding of networking principles (TCP/IP, DNS, firewalls)
  • Exposure to cloud platforms (AWS/Azure) is a bonus