Senior Infrastructure Engineer (Database Development)

Companies House; Cardiff; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

30 days annual leave

Civil Service Pension with employer 28

Flexible and mobile working

Seasonal flu jabs

Generous family leave

Cycle to Work scheme

Job summary

Companies House is seeking a Senior Infrastructure Engineer (Database Development) to support, maintain and develop data services using Oracle and PL/SQL. PostgreSQL knowledge is a plus as you help deliver public-facing and internal systems.

You will work within the Database Development team across development, testing and end-to-end environments. You will also support live production databases by investigating queries, producing data extracts and statistics, and creating data-fix scripts for

Qualifications

• Proven experience with Oracle PL/SQL development and data services.
• Knowledge of PostgreSQL considered advantageous.

Responsibilities

• Develop, administer and support data services across development, testing and production environments.
• Investigate customer queries, produce data extracts and statistics, and create data-fix scripts for bulk updates.
• Support live production databases as part of the Database Development team.

Tools

Oracle

PL/SQL

PostgreSQL

Job description

As 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.

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Why join us? Here’s what you’ll enjoy:

• 30 days annual leave + 8 bank holidays + 1 privilege day
• Civil Service Pension with an average 28% employer contribution (worth £12,025 for this role!)
• Equality, diversity & inclusion at the heart of everything we do
• Flexible and mobile working for a great work-life balance
• Seasonal flu jabs
• Generous family leave – maternity, paternity, adoption & shared parental
• Cycle to Work scheme

If you have any questions about the role or process, please reach out to [e-mail].

This role closes on Monday 7th September 2026 at 23.55pm.

Please 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.
• A hybrid employment contract will be provided as the standard offering. However, remote contracts may be considered as an exception whereby commuting to our Cardiff or Edinburgh office location is not reasonably practicable.

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