Senior Infrastructure Engineer

Salary: £40,000 - 45,000 per year

Requirements:

• 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.
• Ability to troubleshoot and resolve complex database, application, and infrastructure issues using a structured and analytical approach.
• Experience working effectively in distributed teams, using collaboration tools and technical documentation to diagnose and resolve issues remotely.
• Understanding of CI/CD principles and experience developing and maintaining automated deployment pipelines using tools such as Concourse.
• Experience supporting production services, including incident management, root cause analysis, problem management, and service improvement activities.
• Ability to communicate complex technical concepts clearly to both technical and non-technical stakeholders.
• 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.

Responsibilities:

• Use PL/SQL, database administration, and data development expertise to support and enhance the data platforms that underpin our 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 reliable delivery of database and infrastructure changes.
• Investigate, diagnose, and resolve incidents within agreed service targets.
• Perform root cause analysis and implement corrective actions to improve service reliability.
• Support migration of on-premises services to public cloud platforms and contribute to the wider technology transformation programme.
• Promote Infrastructure as Code, automation, and DevOps best practices to improve operational efficiency and system resilience.
• Develop and maintain Oracle PL/SQL packages, data components, and bulk data products that underpin customer-facing systems.
• Support live production databases by investigating customer queries, producing data extracts and statistics, and creating data-fix scripts to implement bulk database updates.

Technologies:

• AWS
• CI/CD
• Cloud
• DevOps
• Git
• Incident Management
• Support
• Oracle
• PostgreSQL
• SQL
• Security

More:

We are Companies House, and our Database Development team sits within our Infrastructure Engineering profession, delivering the data platforms and services that support our critical systems, including the Companies House Service (CHS). The role is based in our Cardiff office, with the option to be aligned to our Edinburgh office if closer to you, and we offer a hybrid working arrangement as standard; remote contracts may be considered in exceptional circumstances. We provide a flexible and welcoming culture that supports a healthy work-life balance and wellbeing, alongside a benefits package that includes flexible working with no core hours, 30 days annual leave, 8 bank holidays, 1 privilege day, and enrolment into the Civil Service Pension scheme with an average employer contribution of 28%. We value collaboration, knowledge sharing, continuous learning, innovation, and diversity, and we welcome applications from underrepresented groups and Welsh speakers.

last updated 35 week of 2026