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Application Support & Database Administrator

2-4 Years
SGD 6,000 - 7,000 per month
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  • Posted 11 days ago
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Job Description

Position Overview

Seeking an experienced Application Support Engineer with strong database administration expertise to take ownership of critical enterprise applications and infrastructure. This role requires a versatile technical professional capable of supporting multi-platform environments while ensuring high availability, security compliance, and operational excellence.

24 months contract, renewable

Primary Responsibilities

Application & Infrastructure Management

  • Take full ownership of multiple enterprise application products including WebSphere, IBM MQ, QlikSense, SharePoint, and Pega platforms
  • Monitor, maintain, and optimize IT systems and application assets throughout their lifecycle
  • Perform OS-level and application-level patching across Windows and Unix/Linux environments
  • Implement and manage operational housekeeping, archival processes, and backup/recovery procedures

Database Administration

  • Administer and maintain Oracle 19c and MS SQL Server database environments
  • Monitor database performance and optimize using Oracle AWR reports
  • Implement and manage Oracle Golden Gate (OGG) replication solutions
  • Execute backup, recovery, and disaster recovery procedures

Architecture & Integration Support

  • Participate in application architecture design sessions with development teams
  • Provide technical input on integration points including web services, IBM MQ interfaces, and SFTP connectivity
  • Support the design, setup, and configuration of fault-tolerant and highly available systems
  • Understand and support enterprise 3-tier architecture implementations

Security & Compliance

  • Implement government-level security hardening standards and best practices
  • Conduct vulnerability assessments and remediation activities
  • Maintain security posture across all managed systems and applications
  • Ensure compliance with organizational security policies and procedures

Operational Support

  • Troubleshoot complex application and infrastructure-related problems
  • Provide onsite support during critical incidents, including after-hours availability
  • Define and implement operational processes and standard operating procedures
  • Collaborate with cross-functional teams to resolve technical issues efficiently

Required Qualifications

Technical Skills

  • Minimum 2 years of hands-on experience in Oracle 19c database administration
  • Proficiency in Windows and Unix/Linux server administration
  • Strong understanding of enterprise 3-tier architecture
  • Basic networking knowledge and troubleshooting capabilities
  • Experience designing and configuring fault-tolerant, highly available systems
  • Familiarity with government-level security concepts, hardening techniques, and vulnerability assessment

Professional Competencies

  • Strong analytical and problem-solving abilities
  • Operational mindset with commitment to service excellence
  • Ability to work independently and manage multiple priorities
  • Excellent communication and collaboration skills
  • Flexibility to provide after-hours support when required


Additional Technical Skills

  • Scripting proficiency in Bash, Python, or PowerShell
  • Practical experience with Oracle Golden Gate (OGG)
  • Familiarity with Oracle AWR report analysis and performance tuning
  • Knowledge of virtualization, containerization, and cloud computing infrastructure
  • Understanding of web application architecture from end-user interaction to backend systems
  • Experience with IT security hardening and vulnerability assessment tools

Methodology & Process

  • Familiarity with Agile development processes and SDLC support tools
  • Experience defining and implementing operational processes and procedures

More Info

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Job ID: 142385081