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Job summary

We have an exciting opportunity for an experienced Senior Infrastructure Engineer (Database) to join our Infrastructure Engineering team. You'll play a key role in delivering, supporting, and evolving our database platforms, with a particular focus on Oracle and MongoDB technologies.

Working across cloud-based and modern database environments, including Oracle on AWS, MongoDB Atlas, PostgreSQL, and automation tools, you'll help ensure our services remain secure, resilient, and highly available. You'll be involved in database administration, performance optimisation, security, backup and recovery, monitoring, and supporting major technology and business change initiatives.

This is an excellent opportunity to work in a forward-thinking organisation that embraces cloud technologies, automation, and continuous improvement, while helping shape the future direction of our database services.

Watch this video to find out more about working in Digital at Companies House

Why choose Companies House?

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.

Our benefits include:

• Flexible working with no core hours (6am – 8pm flexible options)
• 30 days annual leave
• 8 bank holidays and 1 privilege day
• Enrolment into Civil Service Pension scheme average 28.97%
• On-site working available for peer led-learning enhancing professional experience and career progression

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

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:

Tuesday 28th July between 12:30 - 13:15

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.

lease note:

• 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.
• You will be based at either our Cardiff or Edinburgh office where you will be expected to attend on a regular basis.
• On-call duties form part of this role and will be undertaken on a rota basis once you are fully trained and and have met competency expectations.

Job description

We are looking for an experienced Senior Infrastructure Engineer to join the Database Support team. Working in an agile environment, this team supports Oracle and MongoDB database instances that underpin the core business functions of Companies House.

As a Senior Infrastructure Engineer (Database) you will be:

• Defining, building, bringing into service, operating, supporting, continually improving new and existing database technologies, to serve a variety of user needs.
• Managing database configuration, maintain system access and security, leading database upgrades and ensuring latest patches are applied.
• Managing service availability, by proactively monitoring capacity along with performance tuning using Oracle OEM to identify issues before they occur.
• Managing incidents, requests, changes and problems, providing resolutions including root cause analysis.
• Maximise the use of tools and technologies and drive continuous improvement to deliver operational excellence.

We are looking for an experienced Senior Infrastructure Engineer, who meets the technical specifications outlined here: Infrastructure engineer - Government Digital and Data Profession Capability Framework

You can read more about a career in Digital and Data within the Civil Service in the Government Digital and Data Candidate Information Pack.

On-call opportunities:

Due to the nature of this role, there will occasionally be a requirement to work overtime during weekdays and weekends. You will also be expected to participate in an on-call rota, providing essential cover to ensure services remain operational 24 hours a day, 365 days a year, including Bank Holidays.

Participation in the on-call rota will only be required once you have demonstrated the necessary skills, knowledge, and competence to undertake on-call duties confidently.

Additional payments are available for both on-call duties and approved overtime, paid in addition to your annual salary.

Person specification

We're looking for the following skills and experience that will be assessed throughout the selection process.

The successful candidate will have:

• Strong experience administering and supporting Oracle Database 19c environments, including performance monitoring, backup and recovery, routine maintenance, upgrades, and operational troubleshooting.
• Experience working with Oracle Active Data Guard, ensuring high availability, disaster recovery readiness, and replication monitoring.
• Good working knowledge of AWS Cloud services, with experience supporting database and infrastructure workloads in cloud-based environments.
• Familiarity with MongoDB Atlas, including deployment support, monitoring, and operational management activities.
• Familiarity with configuration management and automation tools such as Ansible to support deployment and operational activities.
• Experience managing database storage using Oracle ASM (Automatic Storage Management) and supporting enterprise database infrastructure.
• Proficiency in Unix/Linux administration, particularly shell scripting for automation, monitoring, and operational support tasks.
• Experience working with continuous integration and continuous delivery (CI/CD) pipelines, including tools such as Concourse or similar platforms.

Behaviours

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

• Changing and Improving
• Working Together
• Managing a Quality Service
• Delivering at Pace

Technical skills

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

• Oracle 19c Database Administration, High Availability and Disaster Recovery
• Oracle 19c Database Operations, Monitoring and Troubleshooting
• AWS Cloud Database Platform, Services and Configuration Management
• Platform Engineering and Continuous Delivery Practices (Ansible)

Benefits

Alongside your salary of £41,509, Companies House contributes £12,025 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).

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 benefits - Working for us - Recruitment (companieshouse.gov.uk) 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).

Where will you be working?

You will be based at either our Cardiff or Edinburgh office where you will be expected to attend on a regular basis. We are currently using a hybrid approach to the way we work which provides opportunities for you to be adaptable in the way you work so that you can achieve a healthy balance between your work and home life. The degree of choice you have will depend on your role and your day-to-day work activities. Your manager will agree regular patterns of attendance with you, however you may be required to make yourself available to attend the office more frequently when required to meet business needs.

As the wider Infrastructure Engineering team is currently based in Cardiff, there may be occasions where you are required to attend the Cardiff office for team collaboration, meetings, or other business needs, regardless of your contractual office location.

Things you need to know

Artificial intelligence

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.

Selection process details

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

What will the process look like?

Stage 1 – Sift

An initial sift of applications will be carried out to create a shortlist. This will be based on the evidence provided for the following Success Profile elements: Experience.

In your application form we’d like you to:

Write a CV: tell us about your employment history, including key responsibilities and achievements.

Write a Personal Statement of 1000 words: tell us, using examples, how you meet the following criteria:

• Strong experience administering and supporting Oracle Database 19c environments, including performance monitoring, backup and recovery, routine maintenance, upgrades, and operational troubleshooting.
• Experience working with Oracle Active Data Guard, ensuring high availability, disaster recovery readiness, and replication monitoring.
• Good working knowledge of AWS Cloud services, with experience supporting database and infrastructure workloads in cloud-based environments.
• Familiarity with MongoDB Atlas, including deployment support, monitoring, and operational management activities.

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.

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.

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.

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 will proceed to invite lower scoring candidates to interview.

Please note:In the case of a large number of applications, before conducting a full sift as described above, the panel may conduct a pre-sift assessing all applications against the following Experience criteria: Strong experience administering and supporting Oracle Database 19c environments, including performance monitoring, backup and recovery, routine maintenance, upgrades, and operational troubleshooting.

Stage 2 - Interview

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 and Technical Skills listed in the advert.

Successful candidates from the sift stage will be invited to a virtual interview, which will be conducted using Microsoft Teams.

The lead criteria to distinguish between tied candidates will be Technical Skill: Oracle 19c Database Administration, High Availability and Disaster Recovery

A reserve list may be held for up to 12 months from which further appointments may be made for the same or similar roles.

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 on the basis of merit, as outlined in the Civil Service Commissioners’ Recruitment Principles.

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

• Online drop-in session: 28th July 2026
• Closing date: 3rd August 2026
• Sifting: from 4th August 2026
• Interview: w/c 17th August 2026

Sponsorship

Companies House cannot offer Visa sponsorship to candidates through this campaign. Companies House holds a Visa sponsorship licence but this can only be used for certain roles, and this campaign does not qualify. Should you apply for this role and require sponsorship, your application may be rejected, and any provisional offers of employment withdrawn.

Security Clearance

Successful candidates must pass a Baseline Personnel Security Standard (BPSS) check before they can be appointed.

BPSS is an entry level security check. It uses the Police National Computer (PNC) to make sure a candidate has no convictions. The check returns evidence of any current criminal record and un-spent convictions under the Rehabilitation of Offenders Act 1974.

Successful candidates must meet the security requirements for Security Check (SC) before they can be appointed.

The requirement for SC clearance is to have been present in the UK for at least 3 of the last 5 years. Failure to meet the residency requirements will result in your security clearance application being rejected.

Further information on National Security Vetting

Pre-Employment Checking

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.

Security

Successful candidates must undergo a 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

This job is broadly open to the following groups:

• UK nationals
• nationals of the Republic of Ireland
• nationals of Commonwealth countries who have the right to work in the UK
• nationals of the EU, Switzerland, Norway, Iceland or Liechtenstein and family members of those nationalities with settled or pre-settled status under the European Union Settlement Scheme (EUSS) (opens in a new window)
• nationals of the EU, Switzerland, Norway, Iceland or Liechtenstein and family members of those nationalities who have made a valid application for settled or pre-settled status under the European Union Settlement Scheme (EUSS)
• individuals with limited leave to remain or indefinite leave to remain who were eligible to apply for EUSS on or before 31 December 2020
• Turkish nationals, and certain family members of Turkish nationals, who have accrued the right to work in the Civil Service

Further information on nationality requirements (opens in a new window)

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

Contact point for applicants

Job contact :

• Name : Georga Coleman
• Email : gcoleman@companieshouse.gov.uk

Recruitment team

• Email : recruitmentch@companieshouse.gov.uk

Further information

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