Site Reliability Engineering Professional

Job Req ID: 60547

Posting Date: 14th July 2026

Function: Service

Location: London, Sheffield or Birmingham

Salary: Competitive

About the role

This role is key to supporting a key customer by delivering and enhancing network tooling, automation, and lab infrastructure that underpin mission-critical services. As part of BT's commitment to building the best networks and delivering top-tier service across Europe, you’ll directly contribute to our ambition to be number one for Service. Your work will help drive continuous improvement and innovation, supporting not just our customers, but our colleagues, communities, and the country.

Please note you must either hold or be eligible for SC (Security Clearance) to be an eligible candidate for this role.

What you’ll be doing

• Supporting the implementation and optimisation of CI/CD pipelines, automation frameworks, and Infrastructure as Code (IaC) solutions using Cloud, Git, and container technologies.
• Maintaining and enhancing monitoring tools to maximise system uptime, performance, and reliability, while actively contributing to improvements in Site Reliability Engineering practices and workflows.
• Installing, configuring (including networking), administering, troubleshooting, and managing virtual machines, along with integrating tools via APIs.
• Investigating and resolving technical issues assigned by the Tools Manager, and participating in technical meetings, change advisory boards, and service reviews as needed.
• Creating and maintaining high-quality technical documentation - covering processes, procedures, and work instructions - in line with internal standards and quality frameworks.

Essential Skills / Experience

• Hands-on experience with server operating systems, both Windows Server and Linux, plus advanced knowledge of VMware environments (including vCenter); experience with network change implementations supporting incident resolution and project delivery.

• Demonstrated ability to create detailed, consumable documentation for tooling deployments, automation (including CI/CD), recovery, testing, and implementation planning.

• Solid scripting and development skills across a range of technologies including Python, PowerShell, HTML, JavaScript, SQL, XML, REST, SOAP, and experience developing operational procedures, processes, and scripts.

Hands-on experience with server operating systems, both Windows Server and Linux, plus advanced knowledge of VMware environments (including vCenter); experience with network change implementations supporting incident resolution and project delivery.

Demonstrated ability to create detailed, consumable documentation for tooling deployments, automation (including CI/CD), recovery, testing, and implementation planning.

Solid scripting and development skills across a range of technologies including Python, PowerShell, HTML, JavaScript, SQL, XML, REST, SOAP, and experience developing operational procedures, processes, and scripts.

Desirable Skills / Experience

• Proven track record of working effectively within ITIL-aligned environments, with hands-on experience using ITSM platforms such as ServiceNow, and a deep understanding of service management best practices.

• A collaborative working style, with experience engaging suppliers and cross-functional teams to drive solutions, service improvements, and successful project outcomes.

Proven track record of working effectively within ITIL-aligned environments, with hands-on experience using ITSM platforms such as ServiceNow, and a deep understanding of service management best practices.

A collaborative working style, with experience engaging suppliers and cross-functional teams to drive solutions, service improvements, and successful project outcomes.

Our Package

Tailored benefits make a real difference. That’s why we offer a comprehensive range to support your growth, wellbeing, and everyday life. You can design the package to suit you and your lifestyle. Your core benefits include:

• 10% on target annual bonus
• Access to an online private GP 24/7 for you and your immediate family
• Market-leading paid carers leave with up to 2 weeks off
• Equalized maternity, paternity, and adoption leave – 18 weeks’ full pay and 8 weeks’ half pay
• Discounted EE and BT products, including mobile and broadband
• Market leading Pension scheme – 5% from you and 10% from us
• Holiday purchase scheme

You can select additional benefits, including healthcare, dental, gym memberships and more when you’re ready.

Flexible Working
This role offers a 3 together, 2 wherever working model. This means you are required to be at your contractual location 3 days a week with 2 flexible days per week.

BT Group is the UK’s leading communications group and the holding company behind some of the country’s most recognised brands – including BT, EE, Openreach and Plusnet. Our purpose is as simple as it is ambitious: we connect for good. Our customers include consumers, small, medium and large businesses, public sector organisations and other communications providers.

BT Group’s role is about setting direction, unlocking value and creating the conditions for our brands and businesses to thrive.

Having come through the most capital-intensive phase of our fibre investment, our focus now is on what comes next – simplifying how we operate, using technology and AI to work smarter, and organising ourselves to serve customers better and grow sustainably. Group teams shape strategy, policy, brand, capital allocation and transformation, helping the whole organisation perform at its best.

We have a singular culture that unites all our people: we are customer-first challengers, who are committed, clear and connected. These behaviours unite us as one team to deliver for our colleagues, our customers, our stakeholders and the country. Joining BT Group means working at the heart of a business that matters to the UK, with the opportunity to shape decisions, influence outcomes and help set the future course of one of the country’s most important companies.