Job Description
3rd Line Data Engineering Specialist (TOA for Northern Ireland Electricity)
Req ID:  57968
Posting Start Date:  14/05/2026
Job Function:  Service
Division:  UK Business
Job Location:  GBR Belfast - Riverside Tower
Advertised Salary:  Competitive

Job Req ID: 57968

Posting Date: 14th May 2026

Function:  Service

Location: Belfast (3 days per week in the office)

Salary: Competitive 

 

Please note you must either hold or be eligible for SC (Security Clearance) & NPPV 3 Clearance for this role, which will require a minimum of 5 years working history in the UK to be eligible. 

About the role

This is an exciting opportunity to be part of a team that is shaping the future of communication and helping us become the number one service provider in the European business market. As a skilled technical engineer, you’ll deliver critical managed data services and technical support using market-leading technologies, enabling customers to achieve their business goals through secure, reliable, and innovative network solutions. We’re looking for a driven and engaging individual with a passion for technology, problem-solving, and delivering exceptional service that makes a real impact for customers, communities, and colleagues alike. 

What you’ll be doing

  • Take ownership of the end-to-end technical health of live services, ensuring stability, security, and continuous improvement throughout the customer contract lifecycle.
  • Act as the primary technical authority for customers, BT teams, and partners, providing clear guidance on complex changes, risks, incidents, and service impacts.
  • Lead the resolution of complex incidents by coordinating internal teams, suppliers, and third parties to restore service quickly and effectively.
  • Proactively manage the technical estate by identifying risks, vulnerabilities, capacity concerns, and opportunities to improve performance, resilience, and value.
  • Build trusted relationships with customers and stakeholders, using technical expertise and clear communication to influence decisions and drive successful outcomes.

 

Essential Skills / Experience

  • Technical governance and risk-based decision making, including assessing risk, interpreting technical standards, and making informed, defensible decisions.
  • Incident leadership and operational coordination, including managing live incidents, directing response activity, engaging stakeholders, and supporting timely service restoration.
  • End-to-end service understanding, including how production environments operate and how dependencies across systems, customers, and suppliers influence outcomes.
  • Automation and observability mindset, including improving operational efficiency through tooling, dashboards, alerting, runbooks, and automation.
  • Commercial awareness, stakeholder management, and professional development, including understanding SLAs and OLAs, communicating effectively across teams, coaching others, and holding relevant technical accreditation at Professional or Specialist level with ITIL knowledge.
 

 

Desirable Skills / Experience

  • Excellent understanding of network and software-defined networking data network technologies (such as, Cisco, Aruba, Juniper, Fortinet, Nutanix, AWS, Azure, etc) / emerging technologies across the full IT spectrum.
  • Experience of technically supporting a 24/7 live managed customer solution across networking technology towers, utilising a host of 3rd parties and suppliers 

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.