Application Support (L1 / L2)
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Before you apply
LocationBangkok, Bangkok, Thailand
Typefull-time
SeniorityEntry
ExperienceUp to 3 yrs
DepartmentTechnology
Company size10,000+ people
PostedOct 13, 2026 · 3w ago
Verified live2d ago
At a glanceSummarised by Seekless from the posting.
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)
Basic understanding of system architecture and integration concepts
Strong analytical and problem-solving skills
Good communication skills (written and verbal) - English & Thai
Ability to work under pressure and meet SLA timelines
Shift-based working setup (depending on the work)
Database: SQL (SELECT, JOIN, basic troubleshooting), Shellscript, Windows Server, and Integration support
Basic log analysis (application/server logs)
Ticketing tools (ServiceNow, Jira, etc.)
Experience with Electronic Document Management / Electronic Document Processing systems
Experience supporting integrated enterprise applications
Skills
SQL
Shellscript
Windows Server
ServiceNow
Jira
About the role
We are looking for a proactive and detail-oriented Application Support (L1/L2) to join our IT Operations team.
The role is responsible for support the production environment across multiple systems, covering L2 support, monitoring, troubleshooting, integration support, testing, and coordination with internal/external teams.
You will be working closely with L3 support and development teams to resolve issues efficiently and maintain service quality.
Responsibilities
Key Responsibilities
•
Provide first-level support for application-related issues, , integration, data, and configuration issues. and service requests
•
Monitor application performance and system health (alerts, logs, dashboards)
•
Perform incident triage, analysis, and initial troubleshooting
•
Escalate complex issues to L3 teams with proper documentation and logs
•
Investigate issues using SQL queries, logs, and system monitoring tools
•
Execute basic data validation and correction in databases when required
•
Follow standard incident management and SLA processes
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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)
•
Basic understanding of system architecture and integration concepts
•
Strong analytical and problem-solving skills
•
Good communication skills (written and verbal) - English & Thai
•
Ability to work under pressure and meet SLA timelines
•
Shift-based working setup (depending on the work)
Technical Skills
•
Database: SQL (SELECT, JOIN, basic troubleshooting), Shellscript, Windows Server, and Integration support
•
Monitoring/Logs: Basic log analysis (application/server logs)
•
Others (optional but a plus):
•
Ticketing tools (ServiceNow, Jira, etc.)
•
Experience with Electronic Document Management / Electronic Document Processing systems.
•
Experience supporting integrated enterprise applications.