Senior Infrastructure Engineer

Looking for a Senior Infrastructure Engineer role where you can genuinely take ownership of a secure, high‑impact environment?

You’ll join a technology business operating in the defence sector, delivering secure systems across multiple platforms – with security, resilience and compliance being central to everything they do.

• Windows Server 2019/2022 administration
• Microsoft 365 management
• Hyper‑V, VMware and Proxmox virtualisation
• Cisco and Palo Alto firewall support
• Linux systems
• Patch management and vulnerability remediation
• Backup and disaster recovery
• Infrastructure documentation and ISO compliance

Alongside standard BAU responsibilities, you’ll also get involved in project work, including spinning up VMs, firewall configuration and improving internal platform security.

• Strong Windows Server experience
• Active Directory, DHCP, DNS, Group Policy
• Firewall configuration experience
• Solid networking fundamentals (routing, switching, NAT, VPN)
• Exposure to Linux

Location:

Tewkesbury – due to the nature of the industry and environment, the requirement is 5 days a week on site. Salary: £50k‑£55k

Security clearance (SC) is required. You must be a UK national and eligible to obtain clearance.

If you’d like to work in a secure, technically interesting environment where your infrastructure expertise genuinely matters, apply today or contact Big Red Recruitment for a confidential discussion.

We are an equal opportunity recruitment company. This means we welcome applications from all suitably qualified people regardless of race, sex, disability, religion, sexual orientation or age. We are particularly invested in Neurodiversity inclusion and offer reasonable adjustments in the interview process. Reasonable adjustments are changes that we can make in the interview process if your disability puts you at a disadvantage compared with others who are not disabled.

If you would benefit from a reasonable adjustment in your interview process, please call or email one of our recruiters.