Senior DBA Engineer

CTOS; Petaling Jaya; On-site; MYR 120,000 - 180,000; Full time

Job summary

CTOS in Malaysia is seeking a highly skilled Database Administrator (DBA) to manage and optimize enterprise database platforms supporting mission‑critical applications, overseeing 100+ production databases across hybrid environments for performance, availability, and security.

You will perform monitoring, tuning, backups, restores, patching, and upgrades, collaborate on database design and migrations from legacy systems, and contribute to documentation and project planning.

Qualifications

• Bachelor’s degree or higher in computer science, software engineering, IT, or related field.
• Certifications in RDBMS (Oracle, MySQL, SQL Server) or NoSQL (MongoDB, Cassandra) validate database expertise.
• Cloud certifications (AWS SysOps or equivalent) are a plus.

Responsibilities

• Administer and support multiple production databases across hybrid environments.
• Monitor performance and proactively tune queries and configurations.
• Perform backups, restores, patching, and routine health checks.
• Configure HA/DR solutions for business continuity.
• Troubleshoot issues and ensure SLA compliance.
• Collaborate with developers and cross‑functional teams on design and migrations.
• Plan capacity and optimize resource utilization.
• Migrate legacy systems and manage platform upgrades.
• Develop and maintain automation scripts for DB operations.
• Create and maintain runbooks and technical documentation.
• Provide on‑call/off‑hours support when required.
• Participate in project planning and implementation activities.

Skills

RDBMS certifications

Cloud certifications

Education

Bachelor’s Degree / Post Graduate Diploma in Computer Science, IT, or related

Tools

Oracle

MySQL

Microsoft SQL Server

MongoDB

Cassandra

Job description

We are seeking a highly skilled and proactive Database Administrator (DBA) to manage and optimize enterprise database platforms supporting mission‑critical applications. This role involves overseeing more than 100 production databases across hybrid environments, ensuring performance, availability, scalability, and security. The DBA will perform proactive monitoring, performance tuning, patching, and upgrades, while collaborating with cross‑functional teams on database design, capacity planning, and migration projects- including transitions from legacy systems. The position requires strong technical expertise, analytical problem‑solving, and flexibility to support off‑hours operations when required.

The role will also be expected to contribute to technical documentation and participate in project planning and implementation.

KEY RESPONSIBILITIES

• Database management: Administer, maintain, and support diverse RDBMS and NoSQL platforms in production environments.
• Performance monitoring: Track database health, proactively identify issues, and implement corrective actions.
• Maintenance operations: Execute backups, restores, and routine health checks to ensure data integrity.
• Replication & clustering: Configure and maintain HA/DR solutions to meet business continuity objectives.
• Troubleshooting: Diagnose abnormal behaviors, resolve bottlenecks, and ensure SLA compliance.
• SQL optimization: Perform query tuning and collaborate with application teams to enhance efficiency.
• Operational support: Provide daily support via ticketing systems and incident response.
• Migration projects: Plan and execute upgrades, platform transitions, and cross‑version migrations.
• Automation: Develop and maintain scripts to streamline database operations.
• Collaboration: Partner with developers, vendors, and analysts on design and implementation.
• Capacity planning: Forecast growth, recommend resource scaling, and optimize utilization.
• Documentation: Prepare and maintain technical runbooks, procedures, and knowledge bases.

WHAT DOES IT TAKE TO BE SUCCESSFUL

Qualifications

• Bachelor’s Degree, Post Graduate Diploma, or Professional Degree in Computer Science, Software Engineering, Information Technology, or a related discipline.
• Certifications in RDBMS (e.g., Oracle, MySQL, Microsoft SQL Server) or NoSQL platforms (MongoDB, Cassandra) to validate expertise in database administration and operations.
• Cloud certifications including AWS Certified SysOps Administrator or equivalent cloud credentials will be an added advantage).

Work Experience

• 3-7 years of hands‑on experience managing production databases in enterprise or financial environments.
• Experience working in 24x7 operations environments, including incident response and SLA adherence.
• Experience planning and executing database upgrades, platform transitions, and legacy system migrations.