Job Title: Database Administrator (DBA)
Employment Type: Full-Time
Work Type: Hybrid
Location: Colombo
Position Overview
We are looking for a Database Administrator (DBA) to manage both relational and non-relational databases in a high-availability, production-grade environment.
In this role, you will play a key part in ensuring data integrity, system stability, and optimal database performance across enterprise systems.
Key Responsibilities
- Design, implement, and maintain relational and non-relational databases (e.g., Oracle, PostgreSQL, MariaDB)
- Perform database installation, configuration, and upgrades (Oracle 11g/12c/19c, MariaDB, etc.)
- Manage high-availability and disaster recovery environments, including Oracle RAC, ASM, and Data Guard
- Optimize database performance through SQL tuning, AWR/ADDM analysis, and indexing strategies
- Execute backup and recovery operations using RMAN, Data Pump (expdp/impdp), and related tools
- Monitor and troubleshoot database incidents to ensure system uptime and SLA compliance
- Collaborate with developers, analysts, and DevOps teams to support application database requirements
- Provide technical support for both production and internal environments
- Stay up to date with emerging database technologies and recommend improvements
Required Qualifications
- Oracle Certified Associate (OCA) and/or Oracle Certified Professional (OCP) certification (required)
- 1–3 years of experience as a Database Administrator, with a focus on Oracle
- Strong experience with Oracle Database 11g/12c/19c, including RAC, ASM, Data Guard, and RMAN
- Solid SQL skills and experience in performance tuning
- Experience working in Linux environments (e.g., Red Hat, Rocky Linux, Oracle Linux)
- Hands-on experience with Data Pump, schema refresh, tablespace, and user management
- Willingness to participate in on-call rotation and support production environments when needed
Preferred Qualifications
- Experience with PostgreSQL or MariaDB (production or migration projects)
- Exposure to NoSQL databases such as MongoDB, Cassandra, or Redis
- Familiarity with cloud database platforms (AWS RDS, GCP Cloud SQL, Oracle OCI)
- Basic scripting skills (Shell/Bash) for automation
- Experience with monitoring tools such as OEM, Nagios, or Datadog
- Knowledge of Oracle GoldenGate for real-time data replication
Language Requirements
- Proficient in English (written and verbal)
