ÆON Thana Sinsap (Thailand) Public Company Limited (AEONTS)

Application Support

ÆON Thana Sinsap (Thailand) Public Company Limited (AEONTS)  •  Bangkok, TH (Onsite)  •  1 month ago
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Job Description

We are looking for a proactive and detail-oriented Application Support (L1) to join our IT Operations team. The role is responsible for providing first-level support for business applications, troubleshooting incidents, and ensuring system availability. The candidate will work closely with L2/L3 support and development teams to resolve issues efficiently and maintain service quality.

Key Responsibilities

  • Provide first-level support for application-related issues and service requests
  • Monitor application performance and system health (alerts, logs, dashboards)
  • Perform incident triage, analysis, and initial troubleshooting
  • Escalate complex issues to L2/L3 teams with proper documentation and logs
  • Investigate issues using SQL queries, logs, and system monitoring tools
  • Support API-related troubleshooting using tools such as Postman and Swagger
  • Validate API requests/responses and assist in integration issue resolution
  • Execute basic data validation and correction in databases when required
  • Follow standard incident management and SLA processes
  • Maintain proper documentation of issues, solutions, and known errors
  • Participate in on-call support or shift rotation if required

Requirements

Skills & Qualifications

  • Bachelor’s degree in Computer Science, IT, or related field
  • 0–3 years of experience in Application Support / IT Support / Operations
  • Basic knowledge of SQL (querying, joins, data validation)
  • Familiarity with REST APIs and API testing tools:
  • Postman
  • Swagger (OpenAPI)
  • Basic understanding of system architecture and integration concepts
  • Strong analytical and problem-solving skills
  • Good communication skills (written and verbal)
  • Ability to work under pressure and meet SLA timelines

Technical Skills

  • Database: SQL (SELECT, JOIN, basic troubleshooting)
  • API Tools: Postman, Swagger
  • Monitoring/Logs: Basic log analysis (application/server logs)
  • Others (optional but a plus):
  • Ticketing tools (ServiceNow, Jira, etc.)
  • Knowledge of web applications (HTTP status codes, JSON, XML)
ÆON Thana Sinsap (Thailand) Public Company Limited (AEONTS)

About ÆON Thana Sinsap (Thailand) Public Company Limited (AEONTS)

ÆON Thana Sinsap (Thailand) Public Company Limited (AEONTS) is a Financial Services company located at 388 Exchange Tower 27th floor, Sukhumvit, Klongtoey, Bangkok, Thailand.

Industry
Finance & Insurance
Company Size
201-500 employees
Headquarters
Bangkok, TH
Year Founded
1992
Website
co.th
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