Reliability Engineering Specialist, Policy

Job Description

Why this job matters

Our mobile network has been number one for a decade. Mobile technologies and capability are undergoing significant digital transformation influenced by the advent of software based networks; the evolution to the next generation of services and the disruptive nature of legislation & cloud technologies. Our mobile test and innovation labs is the place where we integrate the future, as early as we can, to ensure that the future architecture and services provide EE and BT’s customers with a brilliant service from our mobile network.
The purpose of Mobile Test & Innovations Labs is to design, integrate/build, test, and deliver market-leading converged Mobile and Fixed network services. The success of the function is based upon delivering stable, best in class, converged services using the latest technologies – transforming our network with 5G and Network Function Virtualisation. We are innovators who make future services happen.

The Policy Core team support and manage the build, integration, test and operation of multiple Lab’s environments for developing and testing new services for our customers.

You will be part of a dynamic team of expert engineers ensuring that Testing, Design and Operations teams are able to use the EE Labs environments. You will contribute to build new services and refine existing services in line with our Customer Experience and Network Leadership goals. You will be working at the forefront of your domain to try out new capability before it goes to market and to reduce the manual effort in managing the network function

This role is hybrid (3 days in office) in either Borehamwood or Bristol

BPSS Clearance eligibility is required for this role

What you’ll be doing

• Own and be accountable for the build, operation & maintenance of packet core platforms in our innovation labs including inputting to delivery plans, integration of platforms.
• Collaborate with cross functional teams within
• Mobile including Design, Operations, Development, Quality Assurance & Leading technical discussions and investigations across mobile core networks.
• Support incident, change, problem, risk, and vulnerability management. Tracing network issues and investigating dataflows using network tools available (CNOM/Wireshark/NetScout)
• Drive and maintain alignment of the Test Environments with reference to the live EE network
• Champion and drive continuous improvement for the service that we offer to our key stakeholders – Test, Design and Operations. Promoting and encouraging effective automation solutions for our mobile core.
• Work co-operatively with other business communities and third parties, to improve service performance, quality, and customer experience.
• Lead the config changes with CICD pipeline and drive the successful implementation within all of the Labs environments.
• Line manage a small squad (typically 2–6 engineers) comprising L2/L3 engineers and specialists.

Skills Required for the Role

• Expert knowledge of Cloud Native Core.
• Strong understanding of 5G/LTE architecture, Policy Control Function (PCF) call flows, and protocols (BGP, PFCP, GTPv2, Diameter, SIP).
• Linux administration (OEL/RedHat), networking design/operations, MySQL DB, and Kubernetes administration/troubleshooting.
• Proficiency in Ansible, Terraform, Git, Jenkins, Python, and Unix Shell scripting.
• Familiarity with OSS tools and tracing systems (CNOM, Wireshark, Prometheus, Netscout).
• Knowledge of network security, firewall implementations, and vulnerability management.
• Experience implementing reliability engineering and automation for patching, deployment, and maintenance.
• Line management experience in an operational context, with strong vendor/stakeholder management and clear communication skills.

Experience Required for the Role

• Proven experience in a technical role within a telecom organization, managing support and maintenance of cloud core platforms.
• Hands-on experience with Linux administration and automation tools such as Terraform and Ansible.
• Practical involvement in core network deployments, feature testing, and troubleshooting.
• Strong understanding of end-to-end mobile services, Network Cloud, IP, and transport capabilities.
• Demonstrated ability to introduce automation for operational efficiency and reliability.
• Experience in line management or leading technical teams in a 24×7 operational environment.
• Excellent stakeholder management and clear communication skills.

Benefits

• On target 10% on target bonus​
• BT Pension scheme, minimum 5% Employee contribution, BT contribution 10%​
• 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.​
• 25 days annual leave (not including bank holidays), increasing with service​
• 24/7 private virtual GP appointments for UK colleagues​
• 2 weeks carer’s leave ​
• World-class training and development opportunities​
• Option to join BT Shares Saving schemes.​

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.