System / DevOps Engineer

Reporting to the Head of Systems Engineering, this is a fantastic opportunity for a forward-thinking Systems Engineer to shape the backbone of our technology landscape. You'll design, implement, and manage infrastructure across cloud and on-premise environments, supporting high-performance SaaS platforms and internal systems.

In this hands-on role, you'll drive automation, scalability, and security-ensuring our platforms are resilient, efficient, and aligned with industry best practices. Whether optimising performance or enhancing infrastructure reliability, your work will directly empower our development teams and accelerate delivery.

We're looking for someone who thrives in a collaborative, Agile environment and brings deep technical expertise to the table. You'll be a subject matter expert, mentor, and enabler-championing continuous improvement and Agile principles across the organisation.

You'll also have the opportunity to deputise for the Head of Systems Engineering when needed, and play a key role in fostering a positive, high-performance culture across Technology and the wider business.

What You'll Do

• Design and deploy scalable, high-performance systems across cloud and on-prem environments
• Optimise distributed infrastructure for uptime, reliability, and efficiency
• Build automation for provisioning, configuration, and deployment to reduce manual effort
• Implement robust security protocols and ensure compliance with industry standards
• Lead troubleshooting and root cause analysis for system and performance issues
• Collaborate with DevOps, software engineering, and IT teams to integrate and enhance solutions
• Plan for future growth by analysing capacity and scaling infrastructure accordingly
• Maintain clear documentation to support knowledge sharing and operational continuity
• Stay ahead of tech trends and integrate best practices into infrastructure strategy
• Support third-party development partners to ensure quality and alignment with design goals
• Champion Agile principles and contribute to a culture of continuous improvement

• Deep expertise in AWS and cloud infrastructure, with hands-on experience of serverless architectures, automation, and orchestration tools
• Solid grasp of CI/CD pipelines and modern DevOps practices
• Strong coding skills in Python (plus Bash or PowerShell), with a focus on automation and reliability
• Proven ability to design and manage large-scale distributed systems, including networking, storage, and compute resources
• Sharp troubleshooting instincts-able to diagnose and resolve complex system issues fast
• Strong understanding of security frameworks and compliance standards (ISO27001, NIST, GDPR)
• Experience with monitoring and logging tools like Splunk, Grafana, and ELK stack
• Excellent communicator-able to bridge technical and non-technical teams with clarity and confidence
• Analytical mindset with a knack for solving problems and turning insights into action
• Comfortable managing complex projects in fast-paced, high-impact environments
• Track record of scaling systems in cloud or hybrid setups
• Creative problem-solver who thrives on tackling challenges head-on

• Competitive Salary: circa £55,000 - £68,000 per annum (based on capability, and experience)

Additional benefits:

• 26 days' annual leave, plus 8 statutory bank holidays, with the option to buy additional holiday days and swap up to 3 bank holidays to better suit your personal needs.
• A generous pension scheme with double matching up to 6% of your salary each month. For every £1 you contribute, we'll contribute £2 - meaning a 6% personal contribution becomes an 18% total pension contribution.
• Life insurance cover of 10x your basic salary, plus employer contributions towards the cost of your Private Medical Insurance.
• Flexible benefits such as a cycle scheme, share incentive plan, technology schemes
• Access to apps such as digital GP service for round the clock access to GP video consultations and NHS repeat prescriptions, wellbeing app to support your health and fitness
• Access to Work + Family Space, providing support and resources for work and family life, including paid emergency childcare and eldercare, * This role can be based at our Warwick, Bristol, or Cardiff offices, with hybrid working - and you'll also have access to our London co-working space if that location suits your working pattern.
• Every quarter, you'll attend a 2-3 day in-person planning event held at one of our office locations.
• This role is offered on a full time basis.
• This role closes on 28th May however we strongly encourage candidates to submit their application as early as possible.

Diversity, Equity and Inclusion

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.

At National Grid, we keep people connected and society moving. But it's so much more than that. National Grid provides the environment to make it happen. As we build 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 Systems / DevOps Engineer, and find your superpower. National Grid is hiring a Systems / DevOps Engineer to join our Technology team. This role can be based at our Warwick, Bristol, or Cardiff offices, with hybrid working, and you'll also have access to our London co-working space if that fits your working pattern. Most of the time, you'll be working from home; however, every quarter you'll attend a 2-3 day in-person planning event held at one of our office locations. You'll play a key role in designing and delivering secure, scalable systems and platforms that support critical operations across our enterprise.