BT Group

Senior Machine Learning Engineer

BT Group

full-time

Posted on:

Location Type: Hybrid

Location: London • 🇬🇧 United Kingdom

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Job Level

Senior

Tech Stack

AWSAzureCloudDockerGoogle Cloud PlatformPythonSQLTerraform

About the role

  • Lead, mentor, and develop your engineering team, fostering a culture of learning and collaboration.
  • Architect and build on BT’s MLOps stacks for fast, safe, and scalable ML/GenAI delivery with clear FinOps guardrails.
  • Design and implement production-grade ML/AI infrastructure, championing reusable patterns and best practices with Data Scientists, support, and engineering teams.
  • Embed FinOps, security, and data privacy into every stage of the ML/AI lifecycle.
  • Work closely with data scientists, engineers, and stakeholders to accelerate research-to-production using robust engineering practices and AI coding tools.
  • Define support strategies for long-term model health, including SLOs, drift monitoring, and feedback loops.
  • Lead deployment of LLM and GenAI services on platforms like Amazon Bedrock and Google Vertex AI.
  • Design and translate infrastructure for GenAI applications: vector databases, embeddings, retrieval/RAG, model gateways, GPU management, observability, and cost monitoring.
  • Promote experiment tracking and model management tools (e.g., Weights & Biases).
  • Ensure strong software engineering practices: code review, testing, documentation, and version control.

Requirements

  • Bachelor’s degree, MSc, or equivalent in Computer Science, Engineering, Mathematics, or related field.
  • Professional certifications in AWS, GCP, or Azure (Architect, Engineering, or ML) are highly desirable.
  • Solid experience in ML/AI engineering, cloud engineering, or MLOps
  • Deep expertise in at least one major cloud platform (AWS, GCP, or Azure); knowledge of Vertex AI or equivalent required.
  • Proven experience building, debugging, and deploying ML pipelines for large-scale, high-throughput, low-latency applications.
  • Production-level fluency managing components in Python, Docker, and deploying ML/AI services (e.g., FastAPI).
  • Supporting skills in SQL and advanced use of Terraform, Pulumi, or AWS CDK.
  • Advanced expertise in CI/CD pipelines (GitLab CI, GitHub Actions) and MLOps pipelining services (Kubeflow, TFX, Kedro, or MLflow).
  • Practical experience deploying LLMs and other AI models, with understanding of sourcing, performance, quantization, batching, inference service management, metrics, and design trade-offs.
  • Demonstrated experience managing FinOps, security, and data privacy in ML/AI systems.
  • Experience leading, mentoring, and developing a positive engineering team culture.
Benefits
  • Competitive salary
  • 25 days annual leave (plus bank holidays)
  • 10% on target bonus
  • Life Assurance
  • Pension scheme
  • Direct share scheme
  • Option to join the Healthcare Cash Plan or other benefits such as dental insurance, gym memberships etc.
  • 50% off EE mobile pay monthly or SIM only plans
  • Exclusive colleague discounts on our latest and greatest BT broadband packages
  • BT TV with TNT Sports and NOW Entertainment
  • 50% discount for friends and family on EE SIM Only plans & airtime element off a Flex Pay plan

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
ML engineeringAI engineeringMLOpscloud engineeringPythonDockerSQLTerraformCI/CD pipelinesLLM deployment
Soft skills
leadershipmentoringcollaborationcommunicationteam developmentproblem-solvingorganizational skillsculture buildingstakeholder engagementsupport strategy definition
Certifications
AWS certificationGCP certificationAzure certification
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