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# Software Engineering Specialist - Network Modelling

- **Company:** BT Group
- **Location:** Ipswich, UK
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Cloud Computing, Software Quality, Encodings, Databases, Continuous Integration, Identity and Access Management, Linux System Administration, Ansible, Single Sign-On, Software Engineering, SQL Databases, Systems Integration, Virtual Machines, Web Applications, Cloud Platform System, Delivery Pipeline, Wired Networks, Containerization, Kubernetes, Api Design, Terraform, Software Version Control, Data Pipelines, Docker, Legacy Systems
- **Published:** July 12, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=40d72a72887db9fa

## About the Role

* Experience working with on-prem or private cloud environments, including hosting applications across virtual machines and internal platforms (rather than purely public cloud)
 * Experience working with Linux-based environments, including troubleshooting and system-level tasks
 * Ability to design and work with databases (e.g. SQL, schema design)
 * Awareness of security best practices, including identity and access management and secure application development

Desirable Skills / Experience

 * Experience building or consuming APIs.
 * Knowledge of containerisation (e.g. Docker, Kubernetes).
 * Familiarity with Infrastructure as Code (e.g. Terraform, Ansible).
 * Interest in algorithms, optimisation, or modelling problems.
 * Experience modernising or migrating legacy systems to cloud-based architectures.

## Description

This role sits at the heart of how we plan and evolve the UK's core network - the infrastructure that keeps people, businesses and critical services connected every day.

Today, powerful modelling and optimisation tools help shape decisions across our network, but they're largely accessed through specialist teams. We're now transforming that approach - moving to a modern, cloud-based platform that makes these tools more accessible, scalable and impactful across the wider organisation.

As a Software Engineering Specialist, you'll play a key role in that transformation. You'll help modernise how network modelling is delivered, enabling teams to move faster, make better decisions, and focus on higher-value, forward-looking work.

This is an opportunity to combine software engineering with real-world impact - contributing to decisions that shape national-scale infrastructure.

What you'll be doing

 * Designing and building a web-based application that brings network modelling and optimisation tools into a modern, accessible platform
 * Transforming existing desktop-based tools into scalable, cloud-hosted solutions used across Fixed Networks
 * Setting up and maintaining cloud infrastructure, including virtual machines, databases and secure environments
 * Developing APIs, data pipelines and integrations to bring together multiple data sources into a single modelling environment
 * Embedding secure-by-design principles, including identity access management and single sign-on for sensitive data
 * Improving code quality, automation and deployment pipelines to support reliable, scalable delivery
 * Enhancing and evolving existing modelling tools as they are migrated - enabling richer capability, improved performance and new use cases
 * Contributing to future network modelling, simulations and optimisation work as the platform evolves, * Strong understanding of modern software engineering practices (e.g. CI/CD, automation, version control, testing)


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