Senior Linux Administrator & IT Advisor: Enterprise Infra Lead

Glasgow Caledonian University; Glasgow; On-site; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Professional development

Family friendly policies

Cycle to work

Onsite childcare

Job summary

Glasgow Caledonian University is seeking a Senior Linux Administrator to lead the Linux infrastructure within the Information Services Directorate. The role focuses on owning critical systems, maintaining network services, and driving automation across production environments.

The successful candidate will mentor the Linux team, troubleshoot with advanced Linux skills, and contribute to project delivery with careful planning and risk management.

Qualifications

• Senior technical lead with production IT infra support and Linux admin expertise.
• Experience deploying and running enterprise Linux distributions (Red Hat/Ubuntu).
• Administration and optimisation of Linux DNS/DHCP.
• Design observability frameworks using Nagios and Grafana.
• Engineering and lifecycle-management of automation frameworks using Bash, Perl or Python.
• Lead end-to-end Linux server upgrades and deployment planning, with risk mitigation.
• Orchestrate security patching and firewall configurations for a secure prod environment.
• Lead engineering of cloud and on‑prem Linux systems and network topologies.
• Proven track record in a senior infrastructure role delivering complex projects.
• Experience with enterprise VPNs, load balancers, and scalable provisioning.

Responsibilities

• Own and maintain the University’s Linux infrastructure and core services.
• Manage DNS, DHCP, FreeRADIUS and Linux firewalls, ensuring high availability.
• Develop and implement observability with Nagios and Grafana to monitor system health.
• Lead technical projects and provide expert guidance to the team.
• Automate provisioning and scripting using Bash, Python or Perl to reduce manual overhead.
• Plan and execute enterprise-wide Linux server upgrades and deployments.

Skills

Linux administration

DNS/DHCP

Nagios Grafana

Automation scripting

Python

BASH

Perl

Cloud & on‑prem

Firewall management

Red Hat

Ubuntu

Security patching

Network design

VPNs

Load balancers

Upgrade planning

Education

IT degree

Job description

Glasgow Caledonian University is seeking a Senior Linux Administrator to lead the Linux infrastructure within the Information Services Directorate. The role focuses on owning critical systems, maintaining network services, and driving automation across production environments.

The successful candidate will mentor the Linux team, troubleshoot with advanced Linux skills, and contribute to project delivery with careful planning and risk management.