Software Engineer (System)

XCELLINK PTE. LTD.; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

XCELLINK PTE. LTD. seeks a seasoned Software Engineer (System) with strong Database Administration expertise to ensure reliability, availability, security, and performance of critical database environments.

You will design, implement, monitor, and maintain database systems, optimize performance, and support HA/DR strategies across Windows/Linux environments. ERWIN experience and cloud DB familiarity are highly valued.

Qualifications

• Degree in Computer Science, IT, Engineering, or a related discipline.
• Minimum 5 years of hands-on Database Administration experience.
• Experience administering DB2 (v10+), Oracle (v11+) and/or PostgreSQL (v14+).
• Exposure to SQL Server and MySQL is a plus.
• Strong tuning, backup/recovery, and DR/HA knowledge.
• Experience with ERWIN or equivalent data modelling tools.
• Proficient in SQL, PL/SQL, stored procedures, and shell scripting.
• Experience with cloud database platforms and multi-OS environments.

Responsibilities

• Design, implement, administer, monitor, and maintain database systems and infrastructure.
• Manage database performance tuning, capacity planning, and health monitoring.
• Perform backup, restoration, recovery, and disaster recovery activities.
• Troubleshoot and resolve incidents within SLAs.
• Develop and maintain SQL, PL/SQL, stored procedures, and automation scripts.
• Support database design, development, and data modelling.
• Collaborate with app, infra, and vendor teams to implement changes.
• Review daily ops reports and identify potential risks or performance issues.

Skills

Database administration

SQL

PL/SQL

Performance tuning

Shell scripting

Data modelling

Cloud databases

Analytical thinking

Communication skills

Education

Bachelor's degree in Computer Science/IT/Engineering

Tools

ERWIN

Oracle Database

DB2

PostgreSQL

MySQL

Job description

We are seeking an experienced Software Engineer (System) with strong Database Administration expertise to support and maintain enterprise-scale systems. The successful candidate will be responsible for ensuring the reliability, availability, security, and performance of critical database environments.

Key Responsibilities

• Design, implement, administer, monitor, and maintain database systems and infrastructure.
• Manage database performance tuning, optimization, capacity planning, and health monitoring.
• Perform database backup, restoration, recovery, and disaster recovery activities.
• Troubleshoot and resolve database incidents, alerts, and service requests within established SLAs.
• Develop and maintain SQL, PL/SQL, stored procedures, and automation scripts.
• Support database design, development, and data modelling activities.
• Work closely with application, infrastructure, and vendor teams to resolve issues and implement changes.
• Review daily operational reports and proactively identify potential risks or performance issues.
• Ensure database environments comply with operational and security standards.

Requirements

• Degree in Computer Science, Information Technology, Engineering, or a related discipline.
• Minimum 5 years of hands-on Database Administration experience.
• Experience administering DB2 (v10+), Oracle Database (v11+) and/or PostgreSQL (v14+).
• Exposure to SQL Server and MySQL will be an advantage.
• Strong experience in database performance tuning, troubleshooting, backup and recovery.
• Knowledge of High Availability (HA) and Disaster Recovery (DR) solutions.
• Experience in data modelling using ERWIN or equivalent tools.
• Proficiency in SQL, PL/SQL, stored procedures, and shell scripting.
• Experience with cloud database platforms and environments.
• Familiarity with Windows, Linux, AIX, and Solaris operating systems.
• Knowledge of fare collection systems, EMV, or PCI DSS will be an added advantage.
• Strong analytical, problem-solving, and communication skills.