Senior Infrastructure Engineer

Across government, modern infrastructure underpins the delivery of secure, resilient and scalable digital services. As organisations transition from legacy estates to cloud-first environments, the need for robust infrastructure capabilitycombining reliability, automation and securityhas never been greater. Ofgem plays a vital role in the UKs energy system, protecting consumers and enabling a more secure, fair and sustainable energy future, and strong infrastructure services are fundamental to delivering this mission.

Ofgem is on an ambitious transformation journey. Within the Digital, Data and Security Services (DDSS) directorate, we are modernising our core infrastructure, evolving from legacy environments to hybrid and cloud-native platforms. This includes strengthening our Azure capability, improving automation and embedding consistent standards across infrastructure delivery.

As aSenior Infrastructure Engineer, you will play a key role in delivering and maintaining Ofgems infrastructure services. You will work acrosslegacy,hybrid and cloud environments, ensuring systems are reliable, secure and aligned with enterprise standards. You will combine hands-on engineering with technical leadership, supporting colleagues, influencing design decisions and driving continuous improvement across the infrastructure estate.

This is a technically focused role within a fast-paced and evolving environment, offering the opportunity to work on both operational services and transformation initiatives.

Job description

You will be responsible for:

• Delivering and supporting AzureLegacy, Azure Hybrid and Azure Cloudinfrastructure environments, ensuring reliability, performance and security across services.

• Working with architects and delivery teams to translate designs into operational infrastructure solutions aligned with enterprise standards.

• Providing technical leadership and acting as an escalation point for complex infrastructure issues.

• Leading troubleshooting and root cause analysis, implementing long-term solutions to improve system stability and resilience.

• Developing automation and configuration management approaches using tools such as PowerShell, Terraform and Azure CLI.

• Supporting the adoption of modern engineering practices, including Infrastructure as Code, CI/CD and monitoring solutions.

• Managing infrastructure components across their lifecycle, including patching, backup, disaster recovery and compliance activities.

• Collaborating with vendors and third-party providers, ensuring effective delivery of infrastructure services.

• Contributing to continuous improvement initiatives across infrastructure, tooling and operational processes.

We are looking for:

A technically strong infrastructure professional who can operate effectively across both legacy and modern cloud environments. You will bring hands-on experience in Azure and hybrid infrastructure, alongside a proactive approach to problem-solving and service improvement., At Ofgem, we expect our staff to carry out their roles with honesty, fairness and openness. They should follow the Civil Service code and be free from any influence or bias. We are committed to making sure interests are recognised, declared and managed appropriately so that we can fulfil our duties as an energy regulator. Our Conflicts of Interest policy outlines the types of interests Ofgem staff must declare before onboarding, and the rules they must follow throughout employment so that we can clearly demonstrate that our decisions are not influenced by private interests.

Feedback will only be provided if you attend an interview or assessment.

Security

Successful candidates must undergo a basic (or equivalent) criminal record check.

Successful candidates must meet the security requirements before they can be appointed. The level of security needed is security check (opens in a new window) .

See our vetting charter (opens in a new window) .

People working with government assets must complete baseline personnel security standard (opens in new window) checks.

Nationality requirements Open to UK nationals only.

Working for the Civil Service

The Civil Service Code (opens in a new window) sets out the standards of behaviour expected of civil servants.

We recruit by merit on the basis of fair and open competition, as outlined in the Civil Service Commission’s recruitment principles (opens in a new window) .

The Civil Service embraces diversity and promotes equal opportunities. As such, we run a Disability Confident Scheme (DCS) for candidates with disabilities who meet the minimum selection criteria.

The Civil Service also offers a Redeployment Interview Scheme to civil servants who are at risk of redundancy, and who meet the minimum requirements for the advertised vacancy.

Diversity and Inclusion The Civil Service is committed to attract, retain and invest in talent wherever it is found. To learn more please see the Civil Service People Plan (opens in a new window) and the Civil Service Diversity and Inclusion Strategy (opens in a new window) .

Apply and further information

This vacancy is part of the Great Place to Work for Veterans (opens in a new window) initiative.

The Civil Service welcomes applications from people who have recently left prison or have an unspent conviction. Read more about prison leaver recruitment (opens in new window) .

You may come from an infrastructure, cloud engineering or DevOps background, but you will demonstrate:

• Strong experience managing Azure and hybrid infrastructure environments

• Experience with automation tools and scripting, such as PowerShell, Terraform or Azure CLI

• A solid understanding of infrastructure security, networking and operational best practice

• Experience troubleshooting complex systems and delivering sustainable improvements

• The ability to collaborate with technical and non-technical stakeholders across teams

A relevant certification such asMicrosoft Certified: Azure Administrator Associateis expected.

Experience mentoring colleagues and contributing to capability development would be beneficial., * Demonstrable experience working within infrastructure engineering teams supporting both legacy systems and modern cloud-native platforms, including exposure to Kubernetes-based solutions (Lead Criteria).

• Strong hands-on experience implementing and supporting infrastructure in Microsoft Azure, including core areas such as networking and security (Lead Criteria).
• Practical experience contributing to good DevOps practices, supporting CI/CD pipelines and infrastructure automation through tools such as Terraform.
• Previous experience maintaining operational stability while contributing to continuous improvement, ensuring infrastructure solutions align with organisational standards.
• Demonstratable ability to work across technical teams, vendors, and stakeholders to deliver reliable and scalable infrastructure services.

Holds or can obtain the following certifications or equivalent within 6 months:

• Microsoft Certified: Azure Administrator Associate

Desirable Criteria

• Coaching and mentoring junior Infrastructure engineers.

Behaviours

We’ll assess you against these behaviours during the selection process:

• Making Effective Decisions
• Working Together
• Delivering at Pace

Technical skills

We’ll assess you against these technical skills during the selection process:

• You will also be asked to conduct a technical test. Full details of the technical test will be disclosed if you progress through sift stage., This vacancy is using Success Profiles (opens in a new window) , and will assess your Behaviours, Experience and Technical skills.

Alongside your salary of 49,452, OFGEM contributes 14,326 towards you being a member of the Civil Service Defined Benefit Pension scheme. Find out what benefits a Civil Service Pension provides (opens in a new window).

Ofgem can offer you a comprehensive and competitive benefits package which includes; up to 30 days annual leave. Excellent training and development opportunities. The opportunity to join the Civil Service pension arrangements which include a valuable range of benefits. Flexible working hours and family friendly policies. Restaurant and subsidise gym (London only). Interest free season ticket loan.