Senior ML Architect & MLOps Leader

London Stock Exchange Group; Greater London; On-site; GBP 80,000 - 120,000; Full time

Job summary

NLP PEOPLE is searching for a Principal Machine Learning Engineer in Greater London. In this pivotal role, you'll provide technical leadership across the full lifecycle of machine learning systems while architecting production-grade ML solutions. You will work with AWS SageMaker, lead teams on MLOps strategies, and ensure systems adhere to governance standards. This is a hands-on, technical position ideal for those with deep expertise in ML frameworks such as PyTorch and TensorFlow, as well as experience in deploying scalable architectures.

Qualifications

• Proven track record architecting and delivering production ML systems at scale.
• Deep expertise with AWS SageMaker and complementary AWS services.
• Strong thought leadership in MLOps automation and model lifecycle management.

Responsibilities

• Define the end‑to‑end ML architecture for the matching platform.
• Lead adoption of best‑in‑class MLOps patterns and tools.
• Architect automated training, deployment, and retraining pipelines using AWS SageMaker.

Skills

AWS SageMaker

Python

Machine Learning frameworks (PyTorch, TensorFlow, XGBoost)

MLOps automation

Explainability systems

Drift detection

Education

Bachelor's in STEM

Masters or PhD in STEM (optional)

Job description

NLP PEOPLE is searching for a Principal Machine Learning Engineer in Greater London. In this pivotal role, you'll provide technical leadership across the full lifecycle of machine learning systems while architecting production-grade ML solutions. You will work with AWS SageMaker, lead teams on MLOps strategies, and ensure systems adhere to governance standards. This is a hands-on, technical position ideal for those with deep expertise in ML frameworks such as PyTorch and TensorFlow, as well as experience in deploying scalable architectures.