Job Description
Job Title:  Senior Design and Test Engineer
Req ID:  60556
Job Function:  Engineering
Posting Start Date:  14/08/2026
Posting End Date:  23/08/2026
Division:  Networks
Job Location:  GBR Ipswich - Orion Building, GBR-Birmingham-Three Snowhill, GBR-London-BTHQ One Braham
Advertised Salary:  Competitive

Working Style: 3 days a week in office, 2 days from home

About the role

UK Fabric is the re-imagining of BTs key UK Business services, transforming our VPN, Internet and Ethernet products into fully digitised services on top of a NaaS platform. This role will take ownership of designing, co-ordinating and leading the network level migration of services from their existing platforms onto new modern strategic platforms. Ensuring a customer led approach to delivering real business benefit for BT and our customers.

What you’ll be doing

  • Understand the current and planned IPP, IPVPN, Btnet, Ethernet platforms and services and the customer impacts of migration.
  • Work with engineering development and operational teams to design, test and deliver complex end to end solutions.
  • Undertakes routine daily activities and is accountable for system design, build, testing, validation, maintenance, and ongoing support of all network infrastructure components.
  • Undertakes the implementation of new and enhanced network technology that aligns to customers’ strategic direction for enterprise and remote site connectivity.
  • Executes engineering efforts to ensue currency and supportability of networking technology.
  • Participates in technology lifecycle planning, including contributing to the development of the technology roadmaps and Network Health Assessments.
  • Delivers the required documentation, knowledge transfer and training to successfully land new solutions into the support organisation.
  • Champions, continuously develops and shares with team knowledge on emerging trends and changes in Network Engineering.

Essential Skills / Experience

  • Hands-on experience in the design, testing, and operation of networking technologies, including BGP, IPVPN, and MPLS.
  • Experience implementing and managing changes within live operational network environments, ensuring minimal service disruption and adherence to change management processes.
  • Systematic problem-solving approach, coupled with effective verbal and written communication skills.

Desirable Skills / Experience

  • Experience of full the development lifecycle from requirement capture through to deployment and in life support.
  • Experience in the deployment and maintenance of networks and working with Operational teams.
  • Ability to work across teams, to understand and communicate complex ideas and solutions.
  • Understanding / experience of BT’s Business connectivity products and solutions.
  • Experience with agile delivery.
  • Experience with gNMI, JSON, YANG and working with REST based APIs.
  • Member of a professional body e.g. Institution of Engineering and Technology
    • Cisco Certification (CCNP or higher) or vendor equivalent experience.
    • Demonstrable experience with Python (or similar) programming language.

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.
Ready to connect for good and help shape the future? Apply now

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.