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Application Support

Makro PRO

BangkokOn-site1mo ago

About the role

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) 

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