Python jobs in United Kingdom

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The closing date for this vacancy is 28 November. However, we encourage candidates to submit their applications as early as possible and not to wait until the published closing date. National Grid’s recruitment periods can and may vary. We reserve the right to remove this advert or close it to further applications at any point during the recruitment process.

At National Grid, we keep people connected and society moving. But it’s so much more than that. National Grid supplies us with the environment to make it happen. As we generate momentum in the energy transition for all, we don’t plan on leaving any of our customers in the dark. So, join us as a Python Software Engineer, and find your superpower.

Reporting to the Head of Software Engineering, this is a fantastic opportunity for a skilled and forward‑thinking Python Software Engineer to play a key role in designing, building, and managing cutting‑edge software platforms and systems—both cloud‑based and on‑premise.

You’ll be at the heart of our development operations, using Python to drive automation, performance optimisation, and resilience across diverse environments. From SaaS platforms to internal tooling, your work will ensure our systems are scalable, secure, and aligned with industry best practices.

This role is ideal for someone who thrives in a collaborative environment, enjoys solving complex technical challenges, and is passionate about delivering high‑quality, reliable software solutions through Python.

• Design and deploy scalable, high‑performance software using Python, aligned with long‑term business goals
• Optimise performance and reliability of distributed systems to ensure uptime and efficiency
• Build automation for configuration, provisioning, and deployment to reduce manual effort
• Implement robust security protocols and ensure compliance with industry standards
• Lead incident resolution and root cause analysis to maintain system stability
• Collaborate with QA, DevOps, and IT teams to troubleshoot and enhance performance
• Analyse system capacity and plan for future scalability
• Maintain clear, concise documentation to support knowledge sharing and operational continuity

• Strong experience in Python, with solid scripting skills in Bash or PowerShell
• Strong experience with AWS and cloud infrastructure (Azure/GCP a bonus)
• Skilled in containerisation, automation, and orchestration tools (e.g. Docker, Kubernetes)
• Hands‑on with CI/CD pipelines and modern DevOps practices
• Deep understanding of distributed systems, networking, and compute resource management
• Proven ability to troubleshoot complex issues and deliver fast, effective solutions
• Knowledge of security frameworks and compliance standards (ISO27001, NIST, GDPR)
• Familiar with monitoring and logging tools like Splunk, Grafana, ELK
• Strong analytical mindset and problem‑solving skills
• Comfortable working in fast‑paced environments and managing complex projects
• Clear communicator, able to collaborate across teams and explain technical concepts with ease
• Creative thinker who tackles challenges with energy and innovation

A competitive salary between £55,000 – £67,000 – dependent on capability.

As well as your base salary, you will receive a bonus based on personal and company performance and a competitive contributory pension scheme where we will double match your contribution to a maximum company contribution of 12%.

You will also have access to a number of flexible benefits such as a share incentive plan, salary sacrifice car and technology schemes, support via employee assistance lines and matched charity giving to name a few.

At National Grid, we work towards the highest standards in everything we do, including how we support, value and develop our people. Our aim is to encourage and support employees to thrive and be the best they can be. We celebrate the difference people can bring into our organisation, and welcome and encourage applicants with diverse experiences and backgrounds, and offer flexible and tailored support, at home and in the office.