Site Reliability Engineer

Job Req ID: 50579

Posting Date: 2nd September 2025

Function: Engineering

Location: Birmingham Snowhill

Salary: Competitive + great benefits

Please note this role requires SC (Security Clearance), which will require a minimum of 5 years working history in the UK to be eligible.

Why this job matters

As a Site Reliability Engineer supporting HMRC, you play a crucial role in ensuring the reliability, scalability, and performance of critical network tooling and automation systems. Your work enables BT to deliver high-quality, secure, and efficient connectivity solutions that directly support HMRC’s operational and strategic objectives. From managing complex lab environments and virtualised networks to implementing automation and monitoring tools, your contributions will help streamline operations, improve service continuity, and drive continual service improvement across a mission-critical government network.

What You’ll Be Doing

• Provide tooling, network and lab support for the HMRC network estate across multiple monitoring and automation products.
• Installation, configuration (including Networking), administration and troubleshooting, as well as deployment and management of VMs. (VMware vCenter 7 experience preferable).
• Contribute to Continual Service Improvement.
• Receiving of new project implementations and designs to live support.
• Technical Authority review of proposed changes to ensure quality and reduce risk.
• Lead and Manage Investigations allocated by the Network Tooling Manager.
  
  

The Skills You’ll Need

Continuous Improvement

Network Testing

Network Configuration

Ansible

Continuous Integration/Continuous Deployment Automation & Orchestration

What we'd like to see on your CV

• Experience and understanding of working in a support environment and on government and large-scale complex networks and tooling implementations
• Excellent understanding of LAN, WAN, VPN and wireless networking
• Extensive experience of hands-on technical tools
• ITIL Service Management Foundation certified
• Knowledge of network virtualisation techniques such as EVE-NG or CML.
• Scripting such as Python, Javascript, powershell, SOAP, XML & XSLT
• SNMP/MIBS/OID/CDP/OSPF/Automation & Integration/Ansible
  
  

With over 175 years of heritage, BT is now the flagship business brand of BT Group. We’ve brought together our best people and capabilities into a B2B powerhouse serving 1 -2 million business customers internationally.

We’re a global leader for secure connectivity and collaboration platforms for businesses of all shapes and sizes, from big household names and government departments, right through to sole traders and new start-ups. But it’s not just the technology that matters, it’s what it can do to help them build stronger, smarter, more secure businesses.

We value diversity and inclusion and believe in making a positive impact. We connect for good by championing digital inclusion and equipping people, businesses, and communities with digital skills to thrive.

As a member of our team, you will be part of an organisation that celebrates difference, fosters innovation and provides you with opportunities to be your best. With millions of businesses relying on us daily, joining BT means you can be part of a diverse and multi-skilled team that makes a significant impact to society.

A FEW POINTS TO NOTE:

Although these roles are listed as full-time, if you’re a job share partnership, work reduced hours, or any other way of working flexibly, please still get in touch.

We will also offer reasonable adjustments for the selection process if required, so please do not hesitate to inform us.

DON'T MEET EVERY SINGLE REQUIREMENT?

Studies have shown that women and people who are disabled, LGBTQ+, neurodiverse or from ethnic minority backgrounds are less likely to apply for jobs unless they meet every single qualification and criteria. We're committed to building a diverse, inclusive, and authentic workplace where everyone can be their best, so if you're excited about this role but your past experience doesn't align perfectly with every requirement on the Job Description, please apply anyway - you may just be the right candidate for this or other roles in our wider team.