Network Infrastructure Engineer

Job Req ID: 60934

Posting Date: 10th August 2026

Function: Networks

Location: Ipswich 4 Days Onsite

Salary: Competitive With Great Benefits

About the role

Our internal Networks unit is responsible for designing, building and running the networks and technology platforms that BT, and our customers, rely on.

Across our fibre, mobile, Wi-Fi and core networks, BT is a connectivity powerhouse, leading the world in the adoption of converged, automated, programmable network technologies. Bringing together network strategy, transformation, and the modernisation of our mobile and fixed network assets - along with direct partnering with Enterprise, Global and Consumer on leading edge, converged services and experiences – our Networks division designs, builds and runs the technology platforms that BT, and our customers, rely upon every day.

In Networks, we play our part, every day, to make this true. We are responsible for the heart of BT, making sure our networks stay reliable, resilient, secure, and ahead of changing demands.

Our networks – both fixed and mobile – play an essential role in our 30 million customers’ lives, their businesses, and the economies of the 180 countries we operate in. We’ve built a team of the world’s best communications technology experts. Our engineers have achieved extraordinary things: constantly upgrading and reimagining the network to stay ahead of the game, innovating using the latest network cloud, AI, virtualisation and advanced optical tech to build and maintain our world class global infrastructure.

• Every year, we file more than 100 new inventions to keep BT, our customers and the UK at the cutting edge.
• Thanks to our investments, we were able to satisfy peak demand in our core network of 22.7 Tb/s in 2020, a 30% increase over the same period in 2019.
• In the past year, average download speeds on our broadband network increased by more than 15% despite this huge increase in demand for bandwidth.
• In the UK, 96 % of people can now receive superfast broadband at more than 30Mbps.
• On mobile we’ve seen a 36% increase in data usage over the last 12 months, with highest recorded peak on 18th March – a throughput peak of 802Gb/s for Europa League football.

Every day, we work to give BT customers the fastest, best connected networks there are, supporting truly world class solutions and services. Put simply, we make the network... work.

The Environment Professional is part of a multi-skilled engineering team, responsible for the reliable operation and continual improvement of the Gemini model environments. They have engineering and power skills that allow them to deliver reliable, energy efficient and customer-focused solutions.

What you’ll be doing

• Strong environment knowledge for new build GRT’s across platforms maintained by GemEvo.
• Ensures customers are kept informed throughout the lifecycle of any build work undertaken.
• Services new build GRT’s across platforms with support from others when required.
• GRT SLA breach management – monitors and manages GRT queue to ensure customer satisfaction.
• Carries out all network hardware installations to the agreed standards outlined by GemEvo and the vendor.
• Proficient in the use of tools and systems used to carry out new build GRT’s.
• Proposes and implements ways to improve environment build processes within Gemini Evolution.
• Expected to input ideas for new solutions and recommendations to facilitate Gemini lab consolidation program and new model planning.
• Responsible for providing support for all environmental alarms, seeing issues through to resolution and communicating updates and outcomes.
• Collates network and environment monitoring data to achieve rapid response to faults and identify trends.
• Ensures all scheduled maintenance routines on model equipment, e.g. filter cleaning/replacements are completed as per vendor specifications.
• Manages local stores items including spares and consumables and places Purchase Orders using Ariba/Candex when required.
• Follows vendor specified processes for the advanced replacement of faulty equipment.
• Raises courier bookings to enable equipment shipping both nationally and internationally.
• Supports the wider GemEvo team to increase their knowledge and overall contribution.
• Organises material and data for documentation, knowledge transfer and training to successfully land new solutions into Gemini Evolution.
• Drives own technical growth, proactively identifying opportunities to support career development.
• Supports GemEvo leadership initiatives.
• Ensures H&S and best working practice policies are adhered to and identifies opportunities to improve and implement new ways of working.
• Responsible for model environments ensuring best practice standards are upheld.
• Collaborates with teams across the business, adhering to policy, regulatory requirements, and standards of best practice.• Strong awareness of and adherence to TSA.• Schedule and carry out automated equipment power downs.

Essential Skills / Experience

• Customer-focused approach, with experience supporting users across the GRT lifecycle. Committed to delivering a high-quality experience and ensuring services meet customer expectations and business outcomes.
• Problem solving and troubleshooting expertise, with proven ability to diagnose and resolve logical network issues using structured approaches, taking ownership through to resolution and minimising service impact.
• Strong engineering experience in data centre/model environments with robust knowledge of IP network infrastructure and troubleshooting.
• Team contribution and knowledge sharing, with a track record of working effectively both independently and as part of a team. Recognised for supporting others through coaching, mentoring, and sharing best practice.

Desirable Skills / Experience

• Continuous improvement mindset, actively identifying opportunities to improve processes, ways of working, and technical capability, with a commitment to ongoing personal and professional development.
• Requirements and delivery management capability, including capturing, analysing, and prioritising requirements, alongside managing personal workload to deliver against agreed timelines, SLAs, and customer demand.
• Strong communication and collaboration capability, with experience building effective working relationships across technical teams and stakeholders. Able to influence outcomes, manage conflict constructively, and contribute to a culture of collaboration, continuous improvement, and pride within the Gemini Evolution environment.
• Relevant technical certifications, or demonstrable progress towards industry-recognised qualifications in power and infrastructure.
• Operational delivery and workload management, with experience managing competing priorities in a dynamic environment. Able to balance reactive and planned work while maintaining predictable and reliable delivery.
• Qualified in 18th Edition (BS 7671) with DC power accreditation, and proven capability in planning and delivering DC installations.
• Competent in conducting on-site risk assessments and maintaining compliance with ISO standards (14001 and 45001).

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.