MUFG Investor Services

Financial Services

SeniorDatabaseReliabilityEngineer

London, United Kingdom FULL TIME
The Brief

“Senior Database Reliability Engineer at MUFG Investor Services. Skills: Database Reliability Engineering, Infrastructure-as-Code, AWS, Terraform, SQL, Automation. Provision and manage AWS RDS instances entirely through Terraform. Own database reliability”

Industry & Context.

Financial Services
Problems you'll solve

Debug a production slow query using EXPLAIN ANALYZE and fixed it; Think 'how do automate this' before 'how do do this manually'

Eligibility Requirements

On-call rotation

What They're Looking For.

Must Have

SQL — complex queries, performance tuning, indexing, EXPLAIN plans, AWS — RDS Aurora, Secrets Manager, IAM, CloudWatch, VPC networking for databases, KMS encryption, Terraform — writing and maintaining modules, state management, remote backends, version pinning, Scripting — Python or Bash for automation, operational tooling, and migration scripts, CI/CD — GitLab CI or using pipelines for infrastructure changes and database migrations, Observability — experience with Datadog, CloudWatch, or Prometheus/Grafana for database metrics and alerting, Linux — comfortable with system-level troubleshooting in production environments

Nice to Have

PostgreSQL — deep knowledge: vacuuming, autovacuum tuning, replication (logical/streaming), pg_stat views, extensions, PgBouncer or RDS Proxy — connection pooling configuration and tuning, Kubernetes — understanding how workloads connect to databases, sidecar patterns, secrets injection, Database migrations — zero-downtime schema migrations with tools like Flyway, Liquibase, or custom scripted approaches, Financial services or regulated environments — familiarity with audit logging, data residency requirements, PCI DSS / SOC 2 controls, AWS Aurora Global Database — cross-region replication, disaster recovery patterns

What You'll Do.

Provision and manage AWS RDS instances entirely through Terraform

Own database reliability

Set up alerting on slow queries

connection pool saturation

Automate database operations

Secure the data layer

Contribute to the platform by building reusable Terraform modules

Participate in on-call rotation

Respond to database incidents

Implement permanent fixes to prevent recurrence

How You'll Work.

Team & Collaboration

Partner with application teams to ensure databases are correctly provisioned, optimised, and monitored; Build reusable Terraform modules for database provisioning that application teams self-serve from the platform

Free ATS check

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