Site Reliability Engineering Specialist-Professional Services

Job Description

Location: Ipswich, Birmingham or London

Why this job matters

Professional Services was formed as a progressive development towards the convergence of multiple domains across BT. We pride ourselves on providing expert third line support to an extensive range of services; ensuring the required levels of availability are maintained. The team is widely recognised for getting things done, while making transformational improvements along the way. We do this by ensuring we have the right people to achieve our high ambitions.

The purpose of this role is to apply the SRE principles to major end-to-end technology introduction projects and service assurance activities on BT’s core network infrastructure. You will take the lead on complex and high impact fault resolution across multiple platforms and services. You will also build and own network automation processes to deliver flawless change to BT’s networks.

What you’ll be doing

• Builds network engineering change processes for complex end-to-end technology introduction in the live network, utilising automation & CI/CD pipelines.
• Leads on major incident resolution acting as a final technical escalation point within BT.
• Leads blameless post‑incident reviews to uncover systemic root causes and convert learnings into concrete reliability, automation, and process improvements.
• Champions a reliability‑first change culture, promoting safe deployment patterns, blameless learning, and continuous improvement across engineering teams.
• Collaborates with design & platform teams to support the implementation of flawless change into the live network.
• Acts as a subject matter expert within the network engineering domain. Applying this expertise to troubleshoot faults on our infrastructure crossing multiple platform domains.
• Embeds secure by design principles when building new change processes and solutions.
• Will champion and build effective working relationships, both internally and externally to deliver business outcomes.
• Champions the adoption of Site Reliability Engineering practices within Professional Services, driving cultural change towards automation, observability, and reduced operational toil.

Skills You'll Need To Succeed

Must have:

• A strong understanding of multi-vendor IP/MPLS networks (Nokia, Cisco, Juniper etc)
• A strong understanding of network routing protocols such as IS-IS, LDP, RSVP, segment routing, OSPF, eBGP, iBGP, MP-BGP
• A strong understanding of fundamental protocols such as DNS, DHCP & NTP
• A strong understanding of network change & incident management best practice
• A good understanding of Linux operating systems
• An intermediate level of proficiency in atleast one programming language preferably Python
• You will be confident and professional in communicating with all stakeholders, both locally and with members of the Senior Management Team.
• You will have the ability to work in a high-pressure environment.

Desired:

• Strong Python programming proficiency
• Strong understanding of IaC languages such as Ansible &Terraform
• A strong understanding of containerisation using docker, podman or a similar container engine
• Strong proficiency in building CI/CD pipelines
• A good knowledge of coding best practices including code structure, peer review & testing.

Experience you'll have

To apply for this role you will be:

• A junior network engineer with a solid grasp on network fundamentals looking to expand their knowledge, take more ownership and drive positive change for the team

OR

• A senior network engineer who has most of the skills listed and is ready to hit the ground running!

Benefits

At BT, we entertain, educate and empower millions of people every single day. We’re a brand built on connecting people – whether that’s friends, family, businesses or communities. Working here, you’ll receive an attractive salary and a range of competitive benefits, but – more than that – you’ll be joining an ambitious organisation with a culture of togetherness, collaboration and inclusivity.

• Tailored training and development opportunities to continue to build your career
• 10% on target bonus
• 25 days’ annual leave (not including bank holidays), increasing with service
• Life Assurance
• Pension scheme - If you pay in a minimum of 5% of your pensionable salary every month we will pay in 10%
• Direct Share scheme
• Option to join the Healthcare Cash Plan or other benefits such as dental insurance, gym memberships etc.
• 50% off EE mobile pay monthly or SIM only plans
• Exclusive colleague discounts on our latest and greatest BT broadband packages BT TV, including TNT Sports and NOW entertainment
• Shared Parental leave - maximum amount of leave you can share with your partner is 50 weeks

About us

BT Group was the world’s first telco and our heritage in the sector is unrivalled. As home to several of the UK’s most recognised and cherished brands – BT, EE, Openreach and Plusnet, we have always played a critical role in creating the future, and we have reached an inflection point in the transformation of our business.

Over the next two years, we will complete the UK’s largest and most successful digital infrastructure project – connecting more than 25 million premises to full fibre broadband. Together with our heavy investment in 5G, we play a central role in revolutionising how people connect with each other.

While we are through the most capital-intensive phase of our fibre investment, meaning we can reward our shareholders for their commitment and patience, we are absolutely focused on how we organise ourselves in the best way to serve our customers in the years to come. This includes radical simplification of systems, structures, and processes on a huge scale. Together with our application of AI and technology, we are on a path to creating the UK’s best telco, reimagining the customer experience and relationship with one of this country’s biggest infrastructure companies.

Change on the scale we will all experience in the coming years is unprecedented. BT Group is committed to being the driving force behind improving connectivity for millions and there has never been a more exciting time to join a company and leadership team with the skills, experience, creativity, and passion to take this company into a new era.

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.