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Open nowPosted today

DATABASE ADMINISTRATOR

OPUS IT SERVICES PTE LTD

Pay
SGD 5,000 – SGD 10,000 a month
Where
Singapore
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Your applicationOpen nowDATABASE ADMINISTRATOROPUS IT SERVICES PTE LTD · Singapore

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The clock on this job

Early applications get read.

12.4% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.4%7 days
  4. 20.0%14 days
  5. 35.5%30 days
  6. 58.6%60 days
This job: posted today

The posting

Responsible for the availability, performance, security, andintegrity of the system’s production and non-production databases, primarilyIBM Db2 and PostgreSQL. Supports application teams, infrastructure teams, andvendors to ensure databases are stable, recoverable, and meet agreed SLAs.

Key Responsibilities:

Administration & Operations

Install, configure, upgrade, and patch Db2 and PostgreSQLinstances (on-premises, VM, or cloud, e.g. AWS RDS/Aurora PostgreSQL)

Monitor database health, capacity, and performance, and acton alerts

Manage users, roles, privileges, and access controls

Perform routine maintenance such as reorg, runstats, vacuum,reindexing, and storage management

Support L2/L3 incidents and problem management, includingroot cause analysis

Performance & Optimisation

Analyse and tune slow queries, indexes, execution plans, andconfiguration parameters

Work with developers on schema design, query optimisation,and data model changes

Plan capacity and recommend scaling or archiving strategies

Security & Compliance

Apply database hardening, encryption (at rest and intransit), and audit logging

Remediate database vulnerabilities and apply securitypatches per policy

Support audits and provide evidence for compliancerequirements

Change, Release & Migration

Review and execute database changes and deployments throughchange management

Support data migration, version upgrades, and cloudmigration activities

Maintain runbooks, standard operating procedures, anddatabase documentation

Vendor & Stakeholder Coordination

Coordinate with vendors (e.g. IBM) on support cases andlicensing

Report on database performance, availability, and capacityin service reviews

Qualifications:

Diploma or Bachelor’s degree in IT, Computer Science, or arelated field (or equivalent experience)

4-7 years of hands-on DBA experience in productionenvironments

Strong experience with both IBM Db2 (LUW) and PostgreSQL

Proven experience in backup and recovery, replication,HA/DR, and performance tuning

Experience with Linux (RHEL preferred) and shell scripting

Preferred certifications: IBM Certified DatabaseAdministrator (Db2), PostgreSQL certification (e.g. EDB), AWS CertifiedDatabase Specialty, ITIL 4 Foundation

Skills:

Strong SQL skills and database internals knowledge

Scripting and automation (Bash, Python, Ansible) for routinetasks

Familiarity with monitoring tools (e.g. Prometheus, Grafana,CloudWatch, pgAdmin, Db2 monitoring tools)

Working knowledge of cloud platforms (AWS) and containerisedenvironments

Familiarity with ITSM tools (e.g. ServiceNow) and changemanagement processes

Strong troubleshooting skills, attention to detail, andclear communication

Calm and effective under pressure during incidents

Posting text belongs to the employer. Removal requests: contact us.

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