Postgres SQL DBA

Location:

Wokingham, UK – 2 days/week onsite (expenses covered)

Clearance: BPSS & SC required before start

Duration: 6 months (likely extension)

Sector:
Critical National Infrastructure

We are supporting a critical infrastructure organisation in their search for an experienced Postgre

SQL Database Administrator (DBA) to support and enhance a distributed, cloud-native EDB PGD environment. This is a highly sensitive role requiring both BPSS and SC clearance prior to onboarding. You’ll play a central role in maintaining the performance, availability, and reliability of a geographically distributed Postgres setup, running on Kubernetes and Open Shift clusters. The system is part of a wider, business‑critical platform, demanding strong engineering focus and proactive operational excellence.

• Proactively identify and resolve performance bottlenecks
• Enhance database high availability using EDB Postgres Distributed (PGD)
• Troubleshoot issues and outages across a multi‑cluster Open Shift setup
• Lead query tuning with tools like EXPLAIN, _statements, and index optimisation
• Manage capacity planning for CPU, memory, storage, and IOPS

• Improve observability tooling: manage metrics, dashboards, and alerts
• Monitor database health and respond to issues (replication lag, disk I/O, memory pressure)
• Manage and test backup and disaster recovery strategies (DR playbooks, failover in ORT)
• Optimize connection pooling to support high‑volume applications
• Collaborate with Dev Ops and application squads during schema changes and deployments

• Drive database enhancements aligned with platform upgrades and product evolution
• Ensure consistency and integrity across distributed database instances
• Support strategic data initiatives with deep Postgre
  
  SQL and Kubernetes expertise

• Strong hands‑on experience as a Postgre
  
  SQL DBA, ideally with EDB PGD or equivalent distributed Postgres set‑ups
• Experience running Postgres in Kubernetes/Open Shift environments
• Deep knowledge of Postgre
  
  SQL internals, performance tuning, and replication strategies
• Proven ability to work in high‑availability, high‑security environments
• Familiarity with observability stacks and database performance tooling
• Strong troubleshooting skills and an automation‑first mindset
• UK‑based with valid BPSS and eligible for SC clearance (or already cleared)

Opportunity to support a high‑profile, mission‑critical platform. Influence modern database architecture in a multi‑cloud, containerised environment. Contract with strong extension potential and excellent day rate. Work alongside experienced engineering teams in a security‑conscious, forward‑thinking environment.