Senior Database Administrator - AWS, Aurora, RDS

Investigo Change Solutions; Greater London; Hybrid; GBP 84,000 - 114,000; Full time

Job summary

Investigo Change Solutions in London seeks a Senior Database Administrator with Active SC Clearance to lead design, operation and optimization of critical AWS-based databases, including Aurora, RDS and PostgreSQL. This hands-on role requires strong architecture and production support experience, with a focus on resilience and recoverability.

You will drive performance tuning, data reconciliation, and tooling alignment with Terraform/CloudFormation, CI/CD practices, and production standards.

Qualifications

• Active SC Clearance held by a government agency within the last 6 months.
• Experience leading architecture and delivery of enterprise AWS database solutions.
• Design scalable, resilient database platforms with disaster recovery strategies.
• Strong SQL development and query tuning skills.

Responsibilities

• Lead architecture, design and delivery of enterprise AWS database solutions using Aurora, RDS and PostgreSQL.
• Design scalable, resilient, and highly available database platforms with DR strategies.
• Drive database performance through SQL development and tuning.
• Manage upgrades, patching, security, monitoring, and backups.
• Collaborate with cloud and development teams on governance and automation.

Skills

Active SC Clearance

AWS Aurora

Amazon RDS

PostgreSQL

SQL performance tuning

Data modelling

Tools

Terraform

CloudFormation

Job description

Senior Database Administrator - Active SC Clearance

£538 per day - Inside IR35

London/Hybrid

4 months initially

We are seeking a highly experienced Senior DBA with expertise in AWS Aurora, Amazon RDS and PostgreSQL to lead the design, operation, optimisation, resilience, and recovery of critical database platforms. The successful candidate will be a hands-on technical expert, actively involved in architecture decisions, database design, performance tuning, data reconciliation, and operational support.

Key Requirements

• Active SC Clearance held by a Government agency used within the last 6 months.
• Lead the architecture, design and delivery of enterprise AWS database solutions, with a focus on AWS Aurora, Amazon RDS and PostgreSQL.
• Design scalable, resilient and highly available database platforms, including schema design, data modelling, indexing, replication and disaster recovery strategies.
• Drive database performance optimisation through SQL development, query tuning, execution plan analysis and configuration improvements.
• Manage database operations including upgrades, patching, security, monitoring, capacity planning, backup and recovery processes.
• Troubleshoot complex production issues, perform data reconciliation and integrity validation, and lead root cause analysis of data discrepancies.
• Collaborate with architects, developers and cloud teams to support technical governance, infrastructure automation (Terraform/CloudFormation), CI/CD practices, and the production of technical standards and documentation.