Infrastructure Engineer

# Infrastructure Engineer Job Req  Date: 31 Dec 2025

Function:
Security Unit:
Business

Location:

Cheltenham, Cheltenham, United Kingdom Salary:
Competitive Salary + Benefits
** Recruiter:
Krystle James
**** Career Grade: E
**** Internal Closing Date: 05/01/26**#BTSEC
25

Security isn’t always the first thing that comes to mind when you think of BT, but when it comes to keeping everyone safely connected, We Are The Protectors. We deal with thousands of cyber-attacks every day, so that millions of people can safely go about their daily lives and run their businesses.
We deliver vital work at scale, with real breadth and impact. We connect for good.  You'll be joining a specialist security team that is a trusted partner to governments worldwide, protecting critical national infrastructure and committed to the safety and security of our nation and global communities. Our mission focused work is innovative, inspiring and technologically challenging in a way that makes every day different and stimulating.

We provide the opportunity to work on rare projects, with exciting tools and brilliant people. Everyone has access to unparalleled professional and personal development opportunities and your contribution is always valued.##
** Why this job matters
** We are looking for an experienced Infrastructure Engineer to join a multi-disciplined Engineering team that supports, and delivers transformations for, a critical large-scale on-prem Cybersecurity  your role, you’ll use your technical skills to design, develop, test and support the infrastructure that forms the foundations of our vital services. In this ever-changing environment, you’ll work on interesting and challenging problems, that stretch you and provide the opportunity to work on the latest technologies.
** This job role can be based in London, Ipswich or Cheltenham. Onsite (Office- based 5 days per week). Monday-Friday 37.5 hours per week. You will need to be eligible to obtain DV Clearance before starting this role. You will need to have lived in the UK for 10+ years to be eligible.**##
** What you’ll be doing
*** Support the maintenance of existing IT infrastructure. This could include:  + System administration tasks  + Automating repeated manual tasks  + Troubleshooting issues  + System health monitoring  + Developing monitoring solutions to identify system inefficiencies  + Patching vulnerabilities
* Be hands on in the transformation/modernisation of existing infrastructure, or creation of new. This could include:  + Evaluating new technologies against requirements  + Developing proof of concepts  + Using your expertise to support the system architecture design
* Identify and contribute to the improvement of inefficient ways of working
* Actively contribute and engage in knowledge sharing activities
* Engage with and support users of the Platform## Essential Skills
* Infrastructure Architecture/Design
* Infrastructure Configuration
* Troubleshooting* Programming/Scripting
* Performance Monitoring## What we'd like to see on your CV Experience in:
* ** Operating Systems:
** Linux
* ** Networking** (Design, Configuration, Testing, Security):
Dell Networking, Cisco ASA, Juniper SRX
* ** Storage solutions:
** Ceph, iSCSI, Dell Power Vault
* ** Virtualisation:
** VMware, Proxmox
* ** Host provisioning:
** Foreman, PXE boot
* ** Scripting:
** Bash, Python
* ** Monitoring:
** Check

MK, Prometheus, Grafana
* ** Infrastructure as Code:
** Puppet, Ansible
* ** Dev Ops & CI/CD :
** Git, Jenkins## Benefits
* Competitive salary
* BT Pension scheme, minimum 5% Employee contribution, BT contribution 10%
* On-call allowance (Depending on job role requirements)
* 25 days annual leave (not including bank holidays), increasing with service
* Huge range of flexible benefits including cycle to work, healthcare, season ticket loan
* World-class training and development opportunities
* From January 2025, equal family leave:  receive 18 weeks at full pay, 8 weeks at half pay and 26 weeks at the statutory rate. It’s for all parents, no matter how your family is made up.
* Enhanced women’s health support: including help with menopause symptoms, cancer screenings, period care and more.
* 24/7 private virtual…