Salary:
£40,000 - £45,000 DOE + On-Call Allowance + Bonus + Benefits
About the Role:
We're looking for a Third Line Systems Administrator to join a dynamic managed hosting provider, acting as the final point of escalation for complex infrastructure issues. You'll play a key part in improving, automating, and optimising core systems - making a genuine impact in a business that values technical ownership and continuous evolution.
This is a hands-on, senior-level role suited to engineers with strong experience in Linux, VMware, Cisco, and infrastructure automation, ideally in a managed services or hosting environment.
Key Responsibilities:
* Serve as the final escalation point for critical infrastructure incidents and issues
* Administer and maintain Linux systems (RedHat, CentOS, Ubuntu)
* Manage virtualisation environments (VMware vSphere, ESXi, vCenter)
* Support and configure Cisco network infrastructure (routing, switching, firewalls)
* Drive improvements through automation (Bash, Python, Ansible, Puppet)
* Lead infrastructure upgrade and optimisation projects
* Work closely with internal teams and clients to ensure uptime and performance
* Contribute to disaster recovery planning, monitoring, and best practice documentation
* Participate in an on-call rota
What We're Looking For:
1. P...