Database Administrator (Oracle, SQL)

ERP21 PTE LTD; Singapore; On-site; SGD 70,000 - 90,000; Full time

Job summary

A leading technology firm in Singapore is seeking an experienced Database Administrator skilled in Oracle and SQL server management. The successful candidate will oversee database performance optimization, manage backups, and ensure smooth operations of database systems. Experience with Azure, AWS, and adherence to best practices in database security is essential. This role demands strong analytical, communication, and problem-solving skills, along with the ability to work independently and in a team environment. Government sector experience is highly desirable.

Qualifications

• At least 5 years of Oracle and SQL Database support administration.
• Experience in database backup and disaster recovery implementation.
• Proven experience working with high-tech environments.

Responsibilities

• Perform database optimization and analysis.
• Create and manage database backups.
• Monitor database performance and resolve incidents.

Skills

Database Analysis

Database Performance optimization

Database Migration

Database security implementation

Automation of database operations

Documentation skills

Analytical and problem-solving skills

Education

Bachelor’s Degree in IT/IS/Computer Science

Tools

Oracle 12c/19c

Microsoft SQL Server 2016-2022

Azure

AWS

Job description

Overview

The Database Administrator must be a Certified Oracle Database Administrator and Microsoft SQL Administrator in administration and troubleshooting, in a 24x7 enterprise setting (inclusive of manual discovery or post actions from automatic alerts). Incumbent is expected to perform projects, solutioning and Level 2/Level 3 database related issues and be experienced in the following areas, but not limited to the following competencies:

• Database Analysis
• Database Performance analysis, fine tuning and optimization
• Database Migration, database patches
• Database security features implementation (hardening)
• Automate the build, operation, backup, restore, and monitoring of databases used across.
• Technical database documentation
• Daily health checks on the database, implement monitor scripts (shell, power script)
• Verification of database status and integrity during application upgrade or maintenance

Database housekeeping/optimization activities including but not limited to:

• Highlight and ensure sufficient data growth.
• Create/reallocate DB files, tables, indexes, rollback segments, (auto)extent management and other database objects.

Providing advice to Operations Manager and Customers on database related issues as well as new technology and innovations. Create best practices for cloud database operations.

Responsibilities

Documentation

• Document daily checks and status update.
• Develop and update all necessary DB documentation (including checklist, deployment rollout document, operations manual and relevant changes to configuration settings) and DR setup.
• Report monthly on database size and DB Uptime and Performance.
• Generate ad-hoc non-standard reports for incident/problem investigations, DB capacity planning or audit purposes.

Database Management

• Create new DB creations, database network configuration, determine/adhere to guidelines for database structures and file layout, review and enhance scripts and procedures, proper management of transaction and redo/archive logs.
• Assist in database purging and collaborate with Solutions Team to define the purging policy for each individual system, database re-indexing and database tuning, if required.
• Review daily on log irregularities and follow-up actions.
• Maintain regular database maintenance schedules.
• Monitor the performance to discover and detect from on-start the possible system anomalies which may impact business operations. This shall include system resource usage, Basic CPU utilization, Disk I/O, Basic network I/O, memory utilization of database buffers, shared pool, memory cache, inefficient SQL, long running queries, in-doubt transactions, temporary table space usage, job query analysis, lock and latch analysis, alert log errors, availability of required start-up services/components for low disk space/archive logs, blocking locks, core dump, interfaces and batch jobs.
• Monitor backups, recovery and replication for successful completion.
• Data Management.
• Monitor object fragmentation, invalid objects and extent of failure detection.
• Perform Disaster Recovery (DR) for all the critical systems and ensure successful rebuilt of Production or DR servers, if necessary.

Incident/Problem Management

• Incident detection and confirmation of production database systems shall include timely escalation to the Managed Helpdesk, and performing the DBA onsite services on physical database facilities, to rectify the incidents with root cause analysis in order to ensure permanent resolution.
• Verify and validate databases backup, recovery and replication status.
• Review, improve and document the database administration and operational guide on new or revised processes and procedures regularly.
• Work with customers/clients, service desk and third-party solutions vendor to resolve on the disrupted service and rectify the database integrity for the users promptly, to minimize business impact. This shall include applications that are undergoing upgrades.
• Assist the Operations and Project Lead on the issues related to database in daily operations or new projects implementation.
• Any other ad-hoc duties as required or assigned.

Requirements

• Bachelor’sDegree in Information Technology/Information Systems/Computer Science/Business IT or equivalent
• At least 5 years of Oracle and SQL Database support administration.
• Must be Subject Matter Expert on databases, preferably Oracle 12c,19c, Oracle RAC, Microsoft SQL databases 2016, 2017, 2019, 2022, Azure, AWS.
• Preferable with government sector experience.
• Experience in database backup and disaster recovery implementation.
• Good knowledge of Windows and UNIX operating systems.
• Good understanding of a services business in a high-tech environment from a supplier, integrator or operator’s perspective.
• Demonstrated leadership ability and achievement oriented.
• Must be able to work independently with minimal supervision.
• Strong analytical and problem-solving skills, combined with ability to provide quick resolution toproblems.
• Effective verbal and written communication skills.
• Customer service oriented and an effective team player.