Data Analytics Specialist

**Data Analytics Specialist**:

- Job Req ID: 48206
- Posting Date: 18 Jul 2025
- Function: Data & AI
- Unit: Networks
- Location: Martlesham Heath, Ipswich, United Kingdom
- Salary:.

**Recruiter: Daniel McCarthy**

**Career Grade: D**

**Internal Closing Date: 1st August**

With over 175 years of heritage, BT is now the flagship business brand of BT Group. We’ve brought together our best people and capabilities into a B2B powerhouse serving 1.2 million business customers internationally.

We’re a global leader for secure connectivity and collaboration platforms for businesses of all shapes and sizes, from big household names and government departments, right through to sole traders and new start-ups. But it’s not just the technology that matters, it’s what it can do to help them build stronger, smarter, more secure businesses.

We value diversity and inclusion and believe in making a positive impact. We connect for good by championing digital inclusion and equipping people, businesses, and communities with digital skills to thrive.

As a member of our team, you will be part of an organisation that celebrates difference, fosters innovation and provides you with opportunities to be your best. With millions of businesses relying on us daily, joining BT means you can be part of a diverse and multi-skilled team that makes a significant impact to society.

**Why this job matters**
- BT's UK Converged Core and Transmission networks carry critical national services, distributing over 30Tbit/s of Broadband, Mobile Backhaul and Business Ethernet traffic to all regions of the UK. It is crucial that this growing volume is carried resiliently, yet cost efficiently using latest available routing and transmission technologies. We build network models to enable us to design detailed topology, capacity and technology evolution of the UK core. We work closely with platform and planning teams to implement these network designs, as well as to check and troubleshoot day to day performance. We analyse demand and determine routing across multiple network layers (ducts, cables, fibres and IP flows). Our approach also draws on mathematical optimisation techniques, algorithmics, programming language concepts, and other areas of computer science.

**What you’ll be doing**
- Design, configuration and maintenance of (Enterprise) Cloud based servers and services.
- Database maintenance and configuration.
- Consolidating data feeds for different aspects of infrastructure.
- Reviewing and improving quality of our code base (currently Python).
- Cultivating modern software engineering discipline and tools.
- You will also participate in building models, simulations, analyses and optimisations of future network designs. You will understand transmission and routing equipment in order to
- Design topology and capacity evolution of BT's core networks across transmission and IP layers.
- Develop short-term and long-term growth plans and routing objectives, taking into account fibre, power and space availability constraints.
- Work with platform teams to achieve architecture goals as well as providing shorter term service solutions.

**Your skills**
- You are a dedicated software developer, ideally with experience of web front-end and back-end technologies.
- You have coded in different languages applied to multiple problem domains.
- You are familiar with contemporary software engineering practice and tools.

**Additional skills relevant to the role**
- A keen interest in diverse areas of computer science.
- Appreciation of mathematical optimisation and algorithmic aspects of network modelling.
- Awareness of different language idioms and their implementations.
- Knowledge of IP and/or transmission technologies.
- Familiarity with both Unix and Windows.
- Familiarity with ‘big-data’ platforms.
- Experience building interpreters or compliers.

**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.

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