MUFG Investor Services
Senior Database Reliability Engineer
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Database Reliability Engineer
About the Role
We are looking for a Database Reliability Engineer to join our team. This is not a traditional DBA role — you are a DevOps engineer who happens to have deep SQL and database knowledge. You think in code, manage infrastructure via Terraform, and treat database provisioning, patching, and performance as an engineering problem — not a manual task.
You will own the database infrastructure layer across our AWS environments: provisioning, scaling, observability, and reliability — all through Infrastructure-as-Code. Our current estate includes SQL Server running on Windows EC2 instances. You will partner with application teams to ensure databases are correctly provisioned, optimised, and monitored without becoming a gatekeeper.
MUFG Investor Services is a trusted partner to many of the world’s largest public and private funds, providing asset servicing and operational solutions built for alternatives. With over $1 trillion in client assets under administration, we offer fund administration, banking, payments, fund financing, foreign exchange overlay, corporate and regulatory services, custody, business consulting, and more. Operating from 17 locations worldwide, we help clients mitigate risk, enhance efficiency, and navigate the operational complexities of today’s investment management landscape. As a division of Mitsubishi UFJ Financial Group (MUFG), one of the world’s largest financial institutions with approximately $3 trillion in assets, we combine deep expertise with the strength and stability of a leading financial institution.
Responsibilities
You Will:
-
Provision and manage AWS RDS instances entirely through Terraform:
- Parameter groups
- Subnet groups
- IAM authentication
- Secrets rotation
- Multi-AZ deployments
- Read replicas
-
Own database reliability:
- Design runbooks
- Define Service Level Objectives (SLOs)
- Set up alerting for:
- Slow queries
- Connection pool saturation
- Replication lag
- Disk growth
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-
Automate database operations:
- Schema migrations
- Backup validation
- Failover drills
- Patching via CI/CD pipelines
-
Improve performance:
- Partner with development teams on EXPLAIN ANALYZE
- Query tuning
- Indexing strategies
- Connection pooling (PgBouncer/RDS Proxy)
-
Secure the data layer:
- Enforce encryption at rest/in transit
- IAM authentication
- Credential rotation via AWS Secrets Manager
- Least-privilege access patterns
-
Contribute to the platform:
- Build reusable Terraform modules for database provisioning
- Support application teams via a self-service platform
-
Participate in on-call rotation:
- Respond to database incidents
- Drive Root Cause Analysis (RCAs)
- Implement fixes to prevent recurrence
Qualifications
Essential
- Strong SQL expertise:
- Complex queries
- Performance tuning
- Indexing
- EXPLAIN plans
- AWS mastery:
- RDS Aurora
- Secrets Manager
- IAM
- CloudWatch
- VPC networking for databases
- KMS encryption
- Terraform proficiency:
- Writing and maintaining modules
- State and remote backend management
- Version pinning
- Scripting:
- Python or Bash for automation, operational tooling, and migration scripts
- CI/CD pipeline experience:
- GitLab CI or equivalent
- Infrastructure and database migration automation
- Observability expertise:
- Datadog, CloudWatch, or Prometheus/Grafana for database metrics and alerting
- Comfort with Linux system-level troubleshooting in production
Good to Have
- Deep PostgreSQL knowledge:
- Vacuuming and autovacuum tuning
- Replication (logical/streaming)
- pg_stat views
- Extensions
- Connection pooling experience:
- PgBouncer or RDS Proxy tuning
- Kubernetes understanding:
- Workload-database connections
- Sidecar patterns
- Secrets injection
- Database migrations:
- Zero-downtime schema migrations with tools like Flyway, Liquibase, or custom scripts
- Familiarity with regulated financial environments:
- Audit logging
- Data residency requirements
- PCI DSS/SOC 2 controls
- AWS Aurora Global Database expertise:
- Cross-region replication
- Disaster recovery patterns
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What We Don’t Want
To be clear, we are not looking for:
- Traditional Oracle/MSSQL DBAs relying on GUI-based administration
- Engineers who manage databases manually rather than through code
- Candidates focused primarily on "advising" rather than building and operating
Ideal Candidate Mindset
You will thrive here if you:
- Have written Terraform to provision an RDS cluster—not just clicked through the console.
- Have debugged a production slow query using EXPLAIN ANALYZE and fixed it.
- Immediately think "How do I automate this?" before opting for manual solutions.
- Are comfortable being on-call and leading database incident response.
- Want to build platform capabilities other engineers self-serve, rather than becoming a bottleneck.
Benefits & Culture
Take a look at our careers site and you’ll find everything you’d expect working with one of the fastest-growing businesses at one of the world’s largest financial groups. But we stand out due to our vibrant culture:
- Connected team
- Love of innovation
- Laser focus on clients
So, why settle for the ordinary? Apply now for your next Brelliantly Different opportunity with MUFG Investor Services.
We appreciate all applications, but only those proceeding to the interview stage will be contacted. MUFG is an equal opportunity employer.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
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