Senior Application Support Engineer

Job Close: Jul 30, 2026

  • Full Time

  • Technology

Phnom Penh

JOB RESPONSIBILITIES

Application Support & Operations

  • Provide L2 application support for assigned banking systems with focus on availability, performance, and data integrity
  • Analyze and resolve incidents, including root cause analysis and permanent fixes
  • Support business-critical payment, collection, and digital banking processes
  • Ensure timely resolution of production issues in accordance with SLA and business priorities

Incident, Problem & Change Management

  • Manage and participate in Incident, Problem, and Change Management processes in line with ITIL best practices
  • Perform root cause analysis (RCA) and drive preventive measures
  • Coordinate with vendors, development teams, and infrastructure teams during incidents and changes

Monitoring & Observability

  • Proactively monitor systems using Kibana, Grafana, and Zabbix
  • Analyze logs, metrics, and alerts to identify performance degradation or risks
  • Define and improve monitoring dashboards, alerts, and operational runbooks

Data & Technical Analysis

  • Use SQL to analyze application data, transactions, and operational issues
  • Support reconciliation, reporting, and investigation of failed or delayed transactions
  • Assist business and compliance teams with technical analysis and evidence collection

Documentation & Continuous Improvement

  • Maintain support documentation, SOPs, and knowledge base articles
  • Identify opportunities for process automation and operational improvements
  • Support onboarding of new applications into production support

Communication & Stakeholder Management

  • Communicate clearly with business users, vendors, and internal teams
  • Provide incident updates, impact assessments, and post-incident reports
  • Participate in audits and regulatory reviews related to IT operations

JOB REQUIREMENTS

Experience

  • Minimum 5+ years of experience in Application Support / IT Operations
  • Experience in banking or financial services is a strong advantage
  • Proven experience supporting mission-critical systems in production environments

Technical Skills

  • Hands-on experience supporting will be a plus:
    • Collection / loan management systems
    • Payment systems (including Bakong and/or SWIFT)
    • Mobile / digital banking applications
    • Contact center platforms
  • SQL skills for troubleshooting and data analysis
  • Understanding of API-based integrations
  • Ability to troubleshoot API issues using tools such as Postman or similar for API testing
  • Understanding of Backend architecture (applications server, databases, integrations) and Frontend concepts (web/mobile apps, users flows, client-side issues)
  • Experience creating automation scripts to improve support efficiency (PowerShell, Python, etc)
  • Experience with monitoring and observability tools:
    • Kibana
    • Grafana
    • Zabbix

IT Service Management

  • Solid understanding of ITIL framework
  • Practical experience with:
    • Incident Management
    • Problem Management
    • Change Management

Language & Communication

  • English (Upper Intermediate) - mandatory
  • Ability to communicate complex technical issues in a clear, structured manner

Soft Skills

  • Strong analytical and problem-solving mindset
  • High sense of ownership and responsibility
  • Ability to work under pressure in a production environment
  • Team-oriented, with strong collaboration skills
  • Attention to detail and focus on operational risk

APPLY NOW

Interested candidates are invited
to send a cover letter and CV to Wing at: jobs@wingbank.com.kh
Are you ready to be part of Wing? There are a number of rewarding career options available. Successful applicants receive a competitive salary based on work experience, education, and potential. Employees can also expect a yearly raise and bonus, and enjoy benefits like access to a 24-hour hospital, surgical and personal accident insurance, good working conditions, and human resources policies in compliance with the Cambodian Labor Law.
Apply Now