L2 Application Support Engineer

TRINITY CONSULTING SERVICES PTE. LTD.; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

TRINITY CONSULTING SERVICES PTE. LTD. is seeking candidates for an application support role based in Singapore. Applicants should have a diploma or higher in Computer Science or IT and at least 3–5 years of relevant experience supporting production systems.

Ideal candidates will be experienced in application log analysis, Linux/Unix environments, and familiar with cloud platforms like AWS services. They should also possess problem-solving skills and understand incident management practices.

Qualifications

• Diploma or higher in Computer Science, Information Technology, or a related field.
• Minimum 3–5+ years of relevant experience in application support or systems support.
• Experiences supporting production systems in a high-availability environment.

Job description

• Diploma or higher in Computer Science, Information Technology, or a related field.
• Minimum 3–5+ years of relevant experience in application support, systems support, or operations roles.
• Experiences supporting production systems in a high-availability or mission-critical environment.
• Strong hands‑on experience with:
  • Application log analysis and monitoring tools (e.g. AWS CloudWatch, Grafana, ELK, GoogleAnalytics, etc)
  • Linux/Unix environments
• Working knowledge of cloud platforms (e.g. AWS services such as ECS, Lambda, S3, RDS).
• Basic database knowledge (MySQL, PostgreSQL) for health checks and simple queries.
• Basic knowledge on REST APIs, system integrations and authentication design
• Understanding of incident, problem, and change management processes.
• Familiarity with ticketing and incident management tools (e.g. Jira, PagerDuty).
• Strong analytical and troubleshooting skills.