Senior Infrastructure Engineer (Database Development)

Location: Crown Way, Cardiff, UK; 1 Sibbald Walk, Edinburgh EH8 8FT, UKSalary: 41,509 - 52,509 per yearEmployment: FlexibleCategory: ITPosted: 2026-08-18Valid to: 2026-09-08Employer: Companies HouseJob summaryAs a Senior Infrastructure Engineer (Database Development) at Companies House, you will support, maintain, and develop the organisation's current and future data services. Working primarily with Oracle and PL/SQL technologies, you will contribute to the delivery of both public-facing and internal services, while knowledge of PostgreSQL would be advantageous. You will be involved in database development, administration, and support across development, testing, and end-to-end environments. The role offers the opportunity to play a key part in the ongoing transformation of Companies House services. Working within the Database Development team, you will develop and maintain data components, bulk data products, and Oracle PL/SQL packages that underpin customer-facing systems, including the Companies House Service (CHS). You will also support live production databases by investigating customer queries, producing data extracts and statistics, and creating data-fix scripts to implement bulk database updates. Watch this video to find out more about working in Digital at Companies HouseCompanies 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 at work. We 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%. Find out more about what a great place Companies House is to worklease 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 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. You could also be aligned to our Edinburgh office if this is closer to you. However, remote contracts may be considered as an exception whereby commuting to one of these office locations is not reasonably practicable. Job descriptionAs a Senior Infrastructure Engineer (Database Development) you will: Use PL/SQL, database administration, and data development expertise to support and enhance the data platforms that underpin Companies House services. Collaborate with analysts, customers, developers, and support teams to deliver high-quality data solutions. Work in an Agile environment across multiple projects to support and improve core business systems. Install, configure, and maintain solutions in line with technical standards and Change Management processes. Develop and maintain automated deployment and release pipelines using Concourse CI/CD to support the reliable delivery of database and infrastructure changes. Investigate, diagnose, and resolve incidents within agreed service targets. Perform root cause analysis and implementing corrective actions to improve service reliability. Support the migration of on-premises services to public cloud platforms and contributing to the wider technology transformation programme. Promote Infrastructure as Code, automation, and DevOps best practices to improve operational efficiency and system resilience. This role combines database development, database administration, CI/CD automation, operational support, and cloud transformation work, providing opportunities to influence the evolution of critical public services. We are looking for an experienced Senior Infrastructure Engineer, who meets the technical specifications outlined here: Infrastructure engineer - Government Digital and Data Profession Capability FrameworkYou can read more about a career in Digital and Data within the Civil Service in the Government Digital and Data Candidate Information Pack.About the team:The Database Development team is part of the Infrastructure Engineering profession and plays a key role in delivering the data platforms and services that support Companies House's critical systems. The team develops and maintains Oracle databases, PL/SQL solutions, data integrations, and bulk data products that underpin both internal services and customer-facing systems, including the Companies House Service (CHS). Working in Agile teams, you'll collaborate with engineers, analysts, architects, and service specialists to deliver secure, reliable, and scalable solutions. As part of our digital transformation programme, the team is modernising legacy platforms and increasing automation through CI/CD pipelines, providing opportunities to work with modern engineering practices while supporting business-critical national services. We foster a collaborative and supportive culture that encourages knowledge sharing, continuous learning, and innovation. You'll have the opportunity to influence technical decisions, develop your skills, and contribute to services used by millions of people across the UK. Person specificationWe’re looking for the following skills:Has proven experience working within a multidisciplinary technical team, delivering database and infrastructure solutions in complex enterprise environments. Significant commercial experience developing Oracle database solutions using PL/SQL, including stored procedures, packages, functions, triggers, performance optimisation, and data modelling. Can troubleshoot and resolve complex database, application, and infrastructure issues, using a structured and analytical approach to problem solving. Has experience working effectively in distributed teams, utilising collaboration tools and technical documentation to diagnose and resolve issues remotely. Understands CI/CD principles and has experience developing and maintaining automated deployment pipelines using tools such as Concourse. Has experience supporting production services, including incident management, root cause analysis, problem management, and service improvement activities. Can communicate complex technical concepts clearly to both technical and non-technical stakeholders. Demonstrates a proactive approach to automation, continuous improvement, and adoption of DevOps and Infrastructure as Code practices. Experience administering Oracle databases (19c), including backup and recovery, performance monitoring, security management, and troubleshooting. Experience working with version control systems such as Git and supporting CI/CD pipelines using Concourse or similar tooling. Experience supporting and maintaining business-critical production systems within a structured IT service environment. Experience working within Agile delivery teams using Scrum methodologies and contributing throughout the software development lifecycle. Knowledge of cloud platforms (AWS) and migration activities, particularly the transition of on-premises services to public cloud environments. Experience writing and optimising SQL queries, data extracts, reporting solutions, and bulk data processing routines. Knowledge of PostgreSQL and cloud-native database technologies would be advantageous. BehavioursWe'll assess you against these behaviours during the selection process:Changing and ImprovingWorking TogetherManaging a Quality ServiceDelivering at PaceTechnical skillsWe'll assess you against these technical skills during the selection process:PL/SQL experienceBenefitsAlongside 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 [email protected] 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?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. The team for this role is based in our Cardiff office, and a hybrid employment contract will be provided as the standard offering. You could also be aligned to our Edinburgh office if this is closer to you. However, remote contracts may be considered as an exception whereby commuting to one of these office locations is not reasonably practicable. Things you need to knowArtificial intelligenceArtificial 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 detailsThis 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: Has proven experience working within a multidisciplinary technical team, delivering database and infrastructure solutions in complex enterprise environments. Significant commercial experience developing Oracle database solutions using PL/SQL, including stored procedures, packages, functions, triggers, performance optimisation, and data modelling. Can troubleshoot and resolve complex database, application, and infrastructure issues, using a structured and analytical approach to problem solving. Has experience working effectively in distributed teams, utilising collaboration tools and technical documentation to diagnose and resolve issues remotely. 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. 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. There will be an activity as part of the interview process. This will be a scenario-based task assessing the Technical Skill:PL/SQL experience. Candidates who are invited to interview will be provided with further details. The lead criteria to distinguish between tied candidates will be Technical Skill:PL/SQL experience. 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 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) Closing date: 7th September 2026Sifting: from 8th September 2026Interview: w/c 21st September 2026SponsorshipCompanies 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 ClearanceSuccessful 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 VettingPre-Employment CheckingIn 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.SecuritySuccessful 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 requirementsThis job is broadly open to the following groups:UK nationalsnationals of the Republic of Irelandnationals of Commonwealth countries who have the right to work in the UKnationals 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 2020Turkish nationals, and certain family members of Turkish nationals, who have accrued the right to work in the Civil ServiceFurther information on nationality requirements (opens in a new window)Working for the Civil ServiceThe 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 InclusionThe 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 informationThis 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 applicantsJob contact : Name : Georga ColemanEmail : [email protected] teamEmail : [email protected] informationWe 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 [email protected] in the first instance. If you are not satisfied with the response you receive you can contact the Civil Service Commission . [email protected] Service Commission, Room G/8, 1 Horse Guards Road SW1A 2HQ