Senior Infrastructure Engineer (Platform/DevOps)

Apply before 11:55 pm on Sunday 18th October 2026

This vacancy is using Success Profiles (opens in a new window), and will assess your Behaviours, Strengths and Experience.

Key Dates (dates are indicative only and could be subject to change)

• Virtual drop-in Q&A session: Monday 5th October 12:00 - 12.45
• Closing date: 18th October 2026
• Sifting: w/c 19th October 2026
• Technical assessment: w/c 2nd November 2026
• Interview: w/c 16th November 2026

An initial sift of applications will be carried out to create a shortlist.

Write a CV - tell us about your employment history, including key responsibilities, projects worked on and achievements specifically relevant to the role responsibilities and experience required as detailed above.

Write a Personal Statement - please write 1000 words telling us, using examples, how you meet the following experience criteria from the personal specification:

As part of your application, we would like you to provide a personal statement outlining a presentation or demonstration of your work. If shortlisted for the next stage, you will be expected to deliver the presentation or demonstration to the panel based on this submission.

This will assess the following criteria from the person specification:

Expert knowledge in:

• Terraform and Cloud technologies (preferably AWS)
• Continuous Integration / Continuous Delivery Tooling and Principles(e.g., Concourse)

Please provide a 1000 word, structured outline of a presentation or demonstration based on a real example from your experience on the following topic:

• Describe a time when you used Terraform to provision multiple resources within a cloud environment (AWS or Azure) using a CI/CD pipeline.

Your outline should clearly cover:

1. Terraform implementation

• Version used
• State file management approach
• Key provisioning considerations

2. Security considerations

• How sensitive data and credentials were managed

3. Disaster Recovery and backup

• Use of Infrastructure as Code for recovery
• Backup approaches (e.g. snapshots, replication)

4. Rollback and deployment resilience

• Approach to handling failed deployments
• Resilience Principles (self-healing infrastructure)

5. CI/CD pipeline

• Tooling used
• Key stages/steps in the pipeline and how they supported deployment

Important information

• The content of your presentation must be your own work, please refer to our AI guidance under 'Things you need to know' section.
• Please do not include any sensitive or confidential information.
• We have provided prompts to support you in writing your personal statement.
• We'd encourage you to use the full word count, and to give us clear examples and evidence of the different elements of the essential minimum criteria.

Once the advert has closed, we will sift applications - this involves reading through them all, please bear with us as this can take some time.

We may raise the score required if we receive a high number of applications.

We're committed to being diverse and inclusive, so please make your application anonymous by removing all identifying personal information (such as your name and age) from your personal statement.

At sift we may choose to take through the highest performing candidates to the next stage. If, after the final stage is completed and roles are unfilled, we may proceed to invite lower scoring candidates to interview.

Please note: In the case of many applications, before conducting a full sift as described above, the panel will conduct a pre-sift assessing all applications against the following Experience criteria: Expert knowledge in Terraform.

Candidates successful at sift will progress to the assessment stage, where you will be asked to deliver the presentation or demonstration you outlined in your application.

This will be a 30-minute session conducted via Microsoft Teams.

Full details will be emailed across to successful candidates after they have booked their assessment slot.

Please note: the Assessment will show as "Interview 1" in your Civil Service Jobs account.

The assessment stage will be assessing the following Experience: Expert knowledge in Terraform and Cloud technologies (preferably AWS) and CI/CD tools (e.g., Concourse).

Companies House uses a blended interview technique, allowing us to find out more about you. We use the Success Profile framework and at interview we will use Success Profiles assessing the Behaviours listed in the advert, and Strengths. Please note: the Interview will show as "Interview 2" in your Civil Service Jobs account.

• Successful candidates from the Sifting stage will be invited to a virtual interview.
• A reserve list may be held for up to 12 months from which further appointments may be made for the same or similar roles.
• If after the interview you are not found appointable at the advertised grade, you may be offered the lower grade role if you are considered to meet the skills, experience and behaviours for the lower level. The benchmark for appointing to the lower grade is set at the start of each campaign.
• All offers will be made in merit order.

Our recruitment process is underpinned by the principle of recruitment based on fair and open competition with decisions made based on merit, as outlined in the Civil Service Commissioners' Recruitment Principles.

In line with Government guidance, successfully appointed candidates will need to provide documents for our Right to Work checks.

From June 2026, applicants who are successful at interview will be, as part of pre-employment screening, subject to a check on the Internal Fraud Database (IFD). Your personal details (name, National Insurance number, and date of birth) will be checked against the Civil Service Resourcing Extract IFD.

This check will provide information about employees who have been dismissed for fraud or dishonesty offences. This check also applies to employees who resign or otherwise leave before being dismissed for fraud or dishonesty had their employment continued.

If your details appear on this database, you will not be offered employment unless you can demonstrate exceptional circumstances. Companies House, acting on behalf of the vacancy holder, will inform you if your application is refused for this reason.

Please note: You are not eligible to apply for a role within the Civil Service if the application is made within a 5 year period following a dismissal for carrying out internal fraud against government.

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

CH - Digital Services - Infrastructure Engineering - Platform - DevOps

At Companies House we take a proactive approach to wellbeing by promoting a welcoming culture, healthy work life balance and supporting colleagues to be their best in work because we know people are the key to our success.

Give yourself the best opportunity to apply!

Join our Outreach team for an informal, drop-in 'find out more' session.

No need to register - just click on the following link to join, listen, and gain tips to help you apply:

Monday 5th October 2026 12:00 - 12.45

Cameras and microphones will be switched off.

Can't make the session? Just email our Outreach mailbox on: outreachinnovationteam@companieshouse.gov.uk and we'll share a copy of the session slides.

Find out more about what a great place Companies House is to work

We believe that our success is driven by the well-being and satisfaction of our team members at all levels of the organisation. At Companies House we're committed to providing a comprehensive benefits package that goes beyond the ordinary, ensuring your career journey with us is not only fulfilling, but also rewarding. We pride ourselves on offering a quality work-life balance with our employee wellbeing being central to our working practices.

Head to our Recruitment Careers Hub to find out more about the fantastic benefits package we have at Companies House.

We celebrate diversity...

As an equal opportunity employer, we celebrate diversity, being committed to ensuring we're representative of the citizens we serve and creating an inclusive environment. Everyone in Companies House brings something different, and so will you. To fulfil our commitment to recruiting and attracting diverse talent we welcome applications from underrepresented groups. We also welcome applications from Welsh speakers.

We are proud to be a disability confident leader. Our recruitment process is fully inclusive and we can make adjustments as needed through our process. These could include having an interview buddy, extra time at interviews/assessments and receiving interview questions in advance, to name a few.

If you require any reasonable adjustments at application stage, or if you'd like to discuss any person-centred adjustments, please contact us by emailing recruitmentCH@companieshouse.gov.uk.

Read our 'Applying under the Disability Confidence Scheme (DCS)' guide to find out how to successfully complete an application under the Disability Confidence Scheme (DCS).

• Name : Teodora Arnold
• Email : tarnold@companieshouse.gov.uk
• Email : recruitmentch@companieshouse.gov.uk

Artificial intelligence can be a useful tool to support your application, however, all examples and statements provided must be truthful, factually accurate and taken directly from your own experience. Where plagiarism has been identified (presenting the ideas and experiences of others, or generated by artificial intelligence, as your own) applications may be withdrawn and internal candidates may be subject to disciplinary action. Please see our candidate guidance (opens in a new window) for more information on appropriate and inappropriate use.

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.

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).

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..

Once this job has closed, the job advert will no longer be available. You may want to save a copy for your records.

We welcome applications in Welsh / Rydym yn croesawi ceisiadau yn y Gymraeg. Selection for appointment to the Civil Service is on merit, on the basis of fair and open competition, as outlined in the Civil Service Commission's Recruitment Principles. In accordance with the Civil Service Commissioners' Recruitment Principles, our recruitment and selection processes are underpinned by the requirement of appointment on the basis of merit by fair and open competition. If you feel your application has not been treated in accordance with the Recruitment Principles and you wish to make a complaint, you should contact infopoint@companieshouse.gov.uk in the first instance. If you are not satisfied with the response you receive you can contact the Civil Service Commission .

info@csc.gov.uk

Civil Service Commission, Room G/8, 1 Horse Guards Road SW1A 2HQ