Lead Infrastructure Engineer; Platform​/DevOps - Companies - G7

Lead Infrastructure Engineer (Platform/Dev Ops) - Companies House - G7

£53,540- £57,250 with an additional DDaT allowance of £4,350 - £11,000 available.
Published on 30 December 2025

Remote working (anywhere in the UK)

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We are looking for an enthusiastic
Lead Infrastructure Engineer (Platform/Dev Ops)with great leadership and technical skills and a drive to improve. This role is a unique opportunity as you will be part of a team delivering Platform Infrastructure and systems to the highest standards and implementing the Dev Ops culture and principles across the business.

To find out more about this opportunity and the team you will be joining, use the links below to join our virtual, drop-in Q&A session on:

Please send any questions you may have for the team by 8pm on Tuesday 6th January 2026 to recruit

Companies House offers a flexible and welcoming culture that promotes a healthy work life balance as well as a proactive approach to wellbeing that allows us to be our best  recognise that people are the key to our success so offer a fantastic benefits package including flexible working with no core hours, 30 days annual leave, 8 bank holidays and 1 privilege day as well as enrolment into the Civil Service Pension scheme with a contribution rate averaging 28%.

• Companies House cannot offer Visa sponsorship to candidates through this campaign
• Security Clearance is an essential requirement for this campaign. You'll need to have been in the UK for at least 3 out of the last 5 years to be eligible to apply for SC.
• The team for this role is based in our Cardiff office, and a hybrid employment contract will be provided as the standard offering. However, remote contracts may be considered as an exception whereby commuting to the office location of your team is not reasonably practicable.
• The nature of this post may occasionally require you to do overtime during the week and at weekends.

The position will be focussed on building and maintaining Infrastructure to enable the organisation to deliver rapidly and reliably deploy and innovate for our customers. A Lead Infrastructure Engineer will work our development teams, ensuring work is delivered to the standards set out in our best practice guides. The role requires the candidate to lead on various streams of work and provide technical support to Infrastructure engineers across the organisation.

You may be required to undertake line management responsibilities in this position: this will be discussed with the successful candidate. Previous management experience is desired but not essential as training can be provided.

You will be responsible for delivering the infrastructure and tooling to support a continuous delivery approach within Companies House. You will be user and service focused ensuring that value is delivered through improvement and automation of platform services. Working in a team of infrastructure specialists and engineers, a Lead Infrastructure Engineer builds, administers, supports, and maintains solutions as directed and according to departmental policy.

Most of the time will be spent working with the delivery teams on carrying out the infrastructure work on development projects. This will include answering any queries regarding environment, configuration, and CI/CD processes.

At this role level, you will:

• Ensure services are integrated, delivered, and operated as required.
• Work with technical architects to translate architectural designs into operations.
• Design and develop infrastructure as code, source code repositories, and Continuous Integration/Continuous Delivery pipelines to execute change on Cloud environments.
• Lead and support colleagues in non-functional requirements, ensuring availability, security, capacity, and performance for the platform and/or service.
• Transform technical requirements into an effective Dev Ops toolchain…