AI / Machine Learning Engineer
Job Title: AI / Machine Learning Engineer
Req ID: 59770
Job Function: Software Engineering
Posting Start Date: 17/06/2026
Posting End Date: 01/07/2026
Division: Networks
Job Location: GBR Belfast - Riverside Tower, GBR Bristol - Assembly, GBR Glasgow - Alexndr Bain Hse, GBR-Birmingham-Three Snowhill, GBR-London-BTHQ One Braham, GBR-Manchester-New BaileyAdvertised Salary: Competitive + great benefits
Job Req ID: 59770
Posting Date: 17/06/2026
Function: Software Engineering
Location: London, Birmingham, Bristol, Belfast, Glasgow, ManchesterSalary: Competitive + great benefits
Working Style: 3 days a week from office, 2 days anywhere About The Role We are looking for 2* AI / Machine Learning Engineer to build and operate production‑grade AI systems, with a strong focus on agentic workflows, model deployment, and MLOps practices. The role involves taking AI solutions from concept to production, ensuring they are scalable, observable, and reliable.
You will work at the intersection of machine learning, LLM‑based systems, and software engineering, building intelligent services that run in real‑world environments.
As a team we believe in the agile principles of openness, transparency and continuous improvement, which underpin strong relationships with our business stakeholders.
There will be lots of opportunities to explore new technologies, develop new skills, innovate and grow as an engineer.
What You’ll Be Doing
- Design and implement agentic workflows, including multi‑step and stateful AI pipelines.
- Build systems that leverage large language models (LLMs) for reasoning, orchestration, and automation
- Build and expose AI capabilities through APIs and backend services
- Operate and support AI systems running on-premise and cloud
- Work collaboratively with engineering, data science, and product teams to deliver end‑to‑end solutions
- Contribute to architectural decisions and engineering best practices
- Demos and knowledge transfers to stakeholders around product developments.
- A background in machine learning and applied AI engineering
- Experience building agent‑based or agentic AI systems
- Hands‑on experience with LangChain and LangGraph
- Experience with writing code according to software engineering best practice.
- Proficiency in an object-oriented or functional programming language.
- Knowledgeable in software version control with Git or SVN.
- Experience working with cloud technologies on AWS, GCP or Azure.
- Practical experience with building on AWS.
- Experience deploying ML or statistical models into production environments.
- Experience with MLOps concepts and tooling.
- Python
- 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
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 c