SalaryPeak

Junior Database Administrator

JOBSTER PRIVATE LTD.
Singapore 2+ years Posted Mar 16, 2026

Salary Range

SGD 48,000 - SGD 60,000 /year

SGD 4,000 - SGD 5,000/month

Skills Required

Scalabilityout-of-hours supportHigh AvailabilityETL specificationEnvironment ManagementPL/SQL DeveloperDesign database architecturesDatabase SecurityDatabase AdministrationQuality ModelsApplication DeploymentData Conversion

Job Description

Key Responsibilities

·       Design the database’s architecture and modelling strategies to ensure that the database is secure, scalable and performs reliably.

·       Work with the application development team to define the application data model and work on tuning and optimizing database related operation.

·       Be point of contact to principal vendors for software and hardware.

·       Provide production support and responsible for the resolution of database related issues and duty rotation for after-office-hours support.

·       Provide support on to application team on database related matters (e.g. data patching, application deployments, extracting data from database for reporting)

·       Plan and strategize data mapping for migration of data from legacy systems to support the deployment of the project, ensuring no data loss during conversion.

·       Review data mapping/conversion/integration specs between systems to ensure appropriate mapping quality and adherence to modelling strategies.

·       Ensure timeliness and accuracy of data sync during co-existence with legacy systems.

·       Develop and maintain database-related codes / scripts such as data sync scripts, data masking scripts, stored procedures etc.

·       Ensure database services and servers availability.

·       Install and configure Database and associated products.

·       Provide operational support including:

o   Ensuring database patches are performed in accordance with the patch release cycle.

o   Troubleshoot and remediate security vulnerabilities reported by security scan.

o   Reviewing and maintaining of database accounts.

o   Monitoring and optimising database performance, such as optimising queries, creating indexes etc.

o   Capacity planning.

o   Configuring backup on database.

o   Ensuring database is hardening in accordance with Authority standards.


What we are looking for

·       Past track records with Oracle/MSSQL/DB2/MySQL/Postgres/Maria/Mongol databases including setting up and managing the environment.

·       Experience in setting up and managing databases in a high availability active-active setup will be added advantage.

·       Knowledge in PL/SQL scripting will be added advantage.

·       Knowledge in working with ETL and data co-existence technology with legacy systems will be added advantage.

·       Knowledge with DB audit and security will be added advantage.

·       Knowledge with data masking products will be added advantage.