Middle/Senior Application Production Support Engineer - Banking

Level: Senior
Domain: Banking / Fintech
Location: District 4, HCMC
Working Hours: Monday - Friday, [protected info]
Type: Full-time
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JOB OVERVIEW
We are looking for a Senior Application Production Support Engineer to support business-critical banking applications.
The role focuses on production support, incident investigation, troubleshooting, SQL/data analysis, RCA, and coordination with internal teams and vendors to maintain application stability.
Note: This is primarily a Production/Application Support role, not a full-time Software Development position. Candidates are not expected to know the Bank's systems before joining; the ability to learn unfamiliar systems through documentation, investigation, and vendor/technical team collaboration is important.
KEY RESPONSIBILITIES
Provide L2/L3 production support for banking applications, including monitoring, troubleshooting, incident handling, and issue resolution.
Investigate application issues using logs, error messages, system flows, SQL/data analysis, and available technical documentation.
Perform or support Root Cause Analysis (RCA) for recurring or high-severity incidents.
Coordinate with Development, Infrastructure, Database, Security teams, and external vendors to investigate and resolve issues.
Participate in technical calls with vendors to understand system behavior, identify missing information, and follow up on solutions.
Support application releases, deployments, patches, and production changes following Bank policies and approval procedures.
Maintain and update SOPs, troubleshooting guides, system flows, incident records, and technical documentation.
Monitor recurring issues and recommend improvements to application stability and support processes.
REQUIREMENTS
5+ years of experience in Application Support, Production Support, Software Support, Technical Support, or similar technical roles.
Experience supporting business-critical applications; Banking/Fintech experience is preferred.
Strong MS SQL / SQL skills for data investigation and troubleshooting.
Good understanding of application architecture, APIs/Web Services, system integration, and data flows.
Working knowledge of .NET/C# applications; familiarity with Angular, JavaScript, jQuery, or related technologies is a plus.
Understanding of SDLC, Incident Management, Problem Management, and Change Management.
Strong analytical and troubleshooting skills with a structured approach to unfamiliar systems.
Good English communication skills for working with regional teams and vendors.
Comfortable working in a strict, process-driven banking environment, including security policies, approval workflows, documentation, and controlled production changes.
BENEFITS
Competitive salary.
13th-month salary based on actual working time at INNOTECH.
Annual health check-up and company activities.
Laptop and monitor provided.
Performance bonus plan.
Annual company trip, sports activities, and year-end party.
Learning and certification support.