Database Administrator

Salary: £55,000 - 60,000 per year

Requirements

• Proven expertise managing PostgreSQL and MariaDB/MySQL databases
• Experience with NoSQL databases
• Experience with cloud database services (AWS)
• Deep understanding of relational database concepts, normalization, and SQL optimization
• Proficiency in SQL and query optimization across multiple database platforms
• Experience with database replication, clustering, and high availability configurations
• Familiarity with backup and recovery tools specific to each database platform
• Understanding of database security principles and access control mechanisms
• Experience with monitoring tools and performance analysis techniques
• Knowledge of version control systems (Git) for managing database code and scripts
• Experience with database automation, CI/CD pipelines and tooling

Responsibilities

• Work with teams across the Technology department to install, configure, maintain, and upgrade our database servers across development, testing, and production environments
• Monitor database health and perform routine maintenance tasks including index optimization, table maintenance, and schema modifications
• Work with Development and Data Engineering teams to optimize performance and cost of data pipelines
• Manage database capacity planning and storage allocation to ensure adequate resources for current and future needs
• Proactively manage databases, ensuring application and operational performance needs are met
• Implement and maintain high availability solutions including replication, clustering, and failover configurations
• Document database architectures, configurations, procedures, and policies
• Implement appropriate security controls to ensure databases and data are protected
• Ensure database backup, validation, and disaster recovery capabilities are in place and rehearsed
• Provide insight and recommendations on the adoption and consolidation of database-related technologies
• Be part of the 24x7 on-call rota to provide out-of-hours support for our critical systems

Technologies

• AWS
• CI/CD
• Cloud
• Git
• Support
• MariaDB
• MySQL
• NoSQL
• PostgreSQL
• SQL
• Security
• MongoDB

More

Gigaclear is a growing Fibre Broadband (FTTP / FTTH) company, developing our fibre-to-the-premises broadband infrastructure to some of the most difficult to reach areas of the UK, empowering those communities with broadband to rival any city. We foster a collaborative, engaging culture that empowers staff to grow and maximize their skills. Our rewards and benefits include a generous employer pension with up to 8% matched contribution, income protection and life assurance, 25 days holiday plus bank holidays, health cash plan with 24/7 remote GP access, and unlimited access to online training and development content. We value our employees and promote a flexible working environment as well as health and wellbeing initiatives.

last updated 19 week of 2026