Senior Database Engineer

Tap Growth ai; Danauindah; On-site; IDR 300,000,000 - 540,000,000; Full time

Job summary

Tap Growth AI in Indonesia is seeking a Senior Infrastructure Engineer to own Oracle and SQL Server databases and Unix/Linux platforms supporting a Singapore data center.

You will lead stability, security, performance, and DR planning, perform expert troubleshooting, and mentor junior engineers while coordinating with cross-border application teams.

Qualifications

• Bachelor’s degree required or equivalent in CS or related field.
• 7+ years of experience as Senior DBA/Platform Engineer.
• Proven expertise in Oracle and SQL Server.
• Experience with AIX and Enterprise Linux.
• Ability to mentor juniors and coordinate cross-border teams.

Responsibilities

• Own end-to-end administration of Oracle and SQL Server platforms.
• Plan patching, upgrades, and capacity forecasting.
• Support HA/DR architectures and recovery testing.
• Analyze performance, slow queries, and blocking.
• Collaborate with application teams to implement fixes.
• Lead DR exercises and backup validation.
• Oversee OS patching and security hardening (AIX/Linux).
• Mentor junior engineers and review runbooks.

Skills

Oracle Database

Microsoft SQL Server

AIX

Linux

Performance Tuning

Backup & DR Planning

Incident Management

Cross-border Collaboration

Education

Bachelor’s degree in Computer Science or related field

Tools

RMAN

SSMS

Linux Administration

AIX Tools

Job description

WE’RE HIRING: SENIOR INFRASTRUCTURE ENGINEER (Oracle / MSSQL & Unix Operations)

Are you an experienced Database and Infrastructure Engineer with strong expertise in Oracle, Microsoft SQL Server, and Unix/Linux environments? We are looking for a Senior Infrastructure Engineer to take technical ownership of mission‑critical database and platform operations supporting a Singapore data center.

In this role, you will act as the technical owner and L3 escalation authority for Oracle Database, Microsoft SQL Server, and AIX/Linux platforms. You will be responsible for ensuring the stability, security, performance, and scalability of critical IT infrastructure while handling complex technical incidents and mentoring a Junior Engineer.

KEY RESPONSIBILITIES

• Own end-to-end administration of Oracle and Microsoft SQL Server platforms
• Plan and execute database patching, upgrades, configuration, parameter tuning, capacity planning, and growth forecasting
• Support High Availability (HA) and Disaster Recovery (DR) architectures
• Perform expert‑level database performance analysis and troubleshooting, including slow queries, locking/blocking issues, and resource contention
• Work closely with application teams to implement permanent solutions for performance issues
• Design and maintain Oracle RMAN strategies, SQL Server backup policies, retention policies, and restore validation processes
• Lead restore testing, DR exercises, backup Root Cause Analysis (RCA), and preventive actions
• Take ownership of AIX and Linux patching strategies, including risk assessment and rollback planning
• Perform advanced OS troubleshooting involving kernel, filesystem, I/O, and performance issues
• Maintain OS hardening and baseline compliance
• Lead critical P1/P2 incidents and problem management activities
• Review and approve high-risk DB/OS changes and maintenance activities
• Mentor Junior Engineers through technical reviews, runbook certification, knowledge transfer, and readiness validation

REQUIREMENTS

• Bachelor’s degree in Computer Science or a related field
• Minimum 7 years of experience as a Senior DBA, Database Engineer, or Platform Engineer
• Strong hands‑on experience with BOTH Oracle Database and Microsoft SQL Server — mandatory
• Proven experience in database performance tuning
• Strong knowledge of backup, restore, and Disaster Recovery (DR) planning
• Experience with AIX and enterprise Linux administration
• Experience supporting mission‑critical production environments
• Strong problem‑solving and troubleshooting skills
• Good documentation skills
• Strong communication skills and ability to collaborate across borders