Senior Database Administrator at unlimit

unlimit

Belgrade·4h ago

SeniorFull-timeAWSTerraformPostgreSQLMySQLMongoDB

Salary Range

$132,600 - $179,400 /year

Estimated

This salary is estimated based on similar roles. The actual salary may vary.

About the Role

We are looking for a Database Administrator to support and evolve our production database landscape across PostgreSQL, Oracle, and AWS-managed database services. This is a hands-on technical role focused on reliability, performance, availability, security, and automation of mission-critical databases.

Key Responsibilities

→Administer and support production environments across PostgreSQL, Oracle, Aurora/RDS, MongoDB, and DocumentDB
→Ensure high availability and disaster recovery readiness (replication, backups, PITR, failover testing)
→Perform performance tuning, query optimization, and capacity planning
→Implement and maintain backup/restore procedures and upgrade strategies
→Monitor database health and define meaningful alerts and dashboards
→Improve operational processes through automation and Infrastructure as Code
→Support secure access models and enforce governance standards
→Participate in incident response and root cause analysis related to database systems
→Contribute to database standards, documentation, and operational runbooks
→Support developers with schema design, indexing strategies, and performance troubleshooting

Requirements

✓5+ years of hands-on experience in database administration or database engineering
✓Strong expertise in PostgreSQL: replication (physical/logical), partitioning, performance tuning, PgBouncer / RDS Proxy, vacuum strategy, pgvector
✓Strong experience with Oracle: backup/restore, AWR/ASH diagnostics, Data Guard, patching and upgrade strategies
✓Production experience with AWS data services: Aurora (Postgres/MySQL), RDS (Postgres/Oracle), DocumentDB, MongoDB
✓HA/DR design and PITR implementation experience
✓Solid understanding of database security: encryption at rest/in transit, RLS (Postgres) / VPD (Oracle), IAM and least-privilege models, secrets management (KMS / Vault)
✓Experience with Infrastructure as Code (Terraform) for database provisioning
✓Experience with monitoring and observability tools (CloudWatch, Performance Insights, AWR, pganalyze/PMM or similar)