งาน Bank of Ayudhya Public Company Limited 40 ตำแหน่ง

Job Description

The Service Support Engineer (Tier 3) provides advanced technical support for the bank’s

core digital platforms, including Mobile Banking and Internal Web Applications. This role

acts as a critical escalation point for resolving complex system issues across Windows,

Linux, and Cloud environments (AWS/Azure). You will be responsible for ensuring the

24/7 availability of banking services, managing critical Job Scheduling operations, and

collaborating with Developers to maintain the integrity of the bank’s digital infrastructure.

Key Responsibilities:

• Banking Application Support: Provide Tier 3 support for Mobile Banking

(iOS/Android) and Internal Web Applications. Monitor system performance,

identify bugs, and troubleshoot application-level errors.

• Job Scheduling & Operations: Oversee and execute critical banking tasks via

Windows Task Scheduler and Linux Crontab. Ensure all scheduled jobs (e.g., end of-day processing, data synchronization) run accurately and on time.

• Cloud & Infrastructure Monitoring: Maintain the health and security of services on

AWS (EC2, S3) or Azure (VM, Storage). Manage IAM roles and assist in secure

software deployments and system patching.

• Advanced Troubleshooting: Analyze complex issues related to System Logs,

Database Connections, and Network Latency that a.ect banking transactions.

Perform Root Cause Analysis (RCA) in collaboration with Developer and Security

teams.

• Automation & Scripting: Develop and maintain PowerShell, Bash, or Python

scripts to automate routine banking operations and backup processes to minimize

human error.

• Documentation: Create and update Knowledge Base entries and Troubleshooting

Guides to ensure compliance with banking audit standards.

• Troubleshoot and analyze issues, including mobile application (iOS/Android),

across UAT and PVT environments to ensure successful golive- readiness.

Job Qualifications

• Education: Bachelor’s Degree in Computer Engineering, IT, Computer Science, or a

related field.

• Experience: 3 years up of experience in IT Support, System Administration, or

Banking Operations. Interest in Mobile App Support and Cloud Infrastructure is

essential.

• Technical Proficiency:

• Foundational knowledge of Windows Server, Linux CLI, and Web

Application architecture.

• Understanding of Mobile Banking systems and how APIs/Web Services

interact with the backend.

• Familiarity with Job Scheduling logic (Cron jobs/Task Scheduler).

• Basic understanding of Cloud Computing (Certifications like AWS Cloud

Practitioner or Azure Fundamentals are a plus).

• Ability to write basic scripts (PowerShell, Python, or Bash) and basic SQL

queries for data investigation.

Advanced Diagnostics: Proficient in using tcpdump and Wireshark for

packet-level analysis to trace API flows and resolve complex integration

issues between internal systems and third-party partners.

Network Fundamentals: Strong grasp of TCP/IP, DNS, and SSL/TLS

protocols, essential for debugging connectivity and authentication (OAuth2)

issues in production environments.

• API Observability: Skilled in analyzing network tra.ic to identify latency

bottlenecks and transmission errors that application logs might miss.

• Experience building automation tools or workflow automations using

Microsoft Power Automate, n8n , or Copilot Studio is a plus.

• Good communication skills and ability to manage cross-functional tasks.

• Demonstrate strong analytical and technical troubleshooting skills,

including the ability to analyze logs, trace API flows, and resolve mobile

(iOS/Android) issue