全职 Database Administrator with AWS 工作, 薪水 up to SGD 5,800, OPENSOURCE TECHNOLOGIES PTE. LTD. Islandwide (Singapore) 公司招聘中 - Ricebowl

Job Description

We are looking for an experienced Database Administrator (DBA) with strong hands-on experience in Oracle, MySQL, PostgreSQL, and IBM DB2 databases across both AWS cloud and on-premises/EC2 environments. The candidate should have strong expertise in Oracle RAC, Data Guard, ASM, AWS RDS/Aurora, DB2 administration, Fix Pack and Java upgrades, ILMT compliance, database performance tuning, backup/recovery, security, patching, and high-availability/DR solutions.

Key Responsibilities

• Administer and support Oracle, MySQL, PostgreSQL, and IBM DB2 databases.

• Manage AWS RDS Oracle, RDS/Aurora MySQL, and RDS PostgreSQL environments.

• Manage DB2 and MySQL databases hosted on AWS EC2.

• Perform database installation, configuration, upgrades, patching, maintenance, and troubleshooting.

• Monitor database availability, performance, capacity, and resource utilization.

• Perform database backup, recovery, restore testing, and disaster recovery activities.

• Manage database users, roles, privileges, authentication, and security controls.

• Perform database performance and SQL tuning.

• Support production deployments, maintenance activities, incidents, and change requests.

Qualifications

Oracle DBA Skills

• Oracle Database 19c administration.

• Oracle RAC, Data Guard, and ASM.

• RMAN backup and recovery.

• Oracle performance and SQL tuning.

• Oracle patching, Release Updates (RU), and upgrades.

• Data Guard switchover/failover and DR activities.

• RAC and ASM troubleshooting.

• Oracle security, auditing, users, roles, and privileges.

MySQL Skills

• MySQL 5.7/8.0 administration.

• AWS RDS/Aurora MySQL administration.

• MySQL administration on AWS EC2.

• Backup and recovery.

• Replication and high availability.

• Performance monitoring and SQL tuning.

• User and privilege management.

• MySQL patching, upgrades, and vulnerability remediation.

• Troubleshooting connectivity, locking, replication, and performance issues.

PostgreSQL Skills

• PostgreSQL administration, preferably versions 17

• AWS RDS PostgreSQL administration.

• Backup and recovery using pg_dump/pg_restore and physical backups.

• Streaming replication and high availability.

• PostgreSQL performance and SQL tuning.

• PostgreSQL patching and major-version upgrades.

• User, role, and privilege management.

IBM DB2 Skills

• IBM DB2 database administration on AWS EC2/Linux.

• DB2 installation, configuration, maintenance, and troubleshooting. - DB2 Fix Pack upgrades and security patching.

• DB2 Java/JDK upgrades and compatibility management.

• DB2 backup, recovery, restore, and DR activities.

• DB2 HADR and high-availability configuration.

• Troubleshooting DB2 database and application connectivity issues.

• Review IBM security advisories and perform vulnerability remediation.

IBM ILMT & License Compliance

• Manage and support IBM License Metric Tool (ILMT) requirements.

• Monitor DB2 software inventory and license usage.

• Maintain IBM licensing and compliance documentation.

• Support ILMT audits and provide required compliance evidence.

• Coordinate with infrastructure/licensing teams for IBM software compliance. - Ensure DB2 Fix Pack and Java/JDK versions meet organizational security and compliance requirements.

AWS / Cloud Skills

• Hands-on administration of: - Amazon RDS for Oracle

• Amazon RDS/Aurora MySQL

• Amazon RDS PostgreSQL

• MySQL and DB2 on Amazon EC2

• AWS backup and restore.

• CloudWatch monitoring and alerting.

• AWS security and database monitoring.

• AWS KMS, Secrets Manager, and IAM concepts.

• Database migration and cloud modernization experience.

• Understanding of AWS high availability, Multi-AZ, backup, and DR architecture.

Security & Compliance

• Database vulnerability assessment and remediation.

• Security patching and database version upgrades.

• Database auditing and logging.

• Password and privileged account management.

• Support security compliance and audit requirements.

• Review vendor security advisories for Oracle, MySQL, PostgreSQL, DB2, and Java.

• Maintain evidence for security, backup, patching, and compliance activities.

Security Clearance

Due to project requirement Need Cat 2 Clearance