Support Engineer Mainframe Developer

ASHWIN KUMAR K

Mainframe Developer & Support Engineer

Phone: +91-636******* Email: ***************@*****.***

Location: Chennai - 600097

LinkedIn: linkedin.com/in/ashwin-kumar-b701102b5

PROFESSIONAL SUMMARY

Detail-oriented Mainframe Developer & Support Engineer with 3 years of experience in application development, system maintenance, and production support within the banking and financial services domain. Proficient in COBOL, JCL, DB2, CICS, and IBM utilities. Demonstrated success in improving system performance, maintaining high availability, and proactively resolving critical incidents. Strong in cross-functional teamwork, technical troubleshooting, and adherence to SDLC and Agile methodologies.

TECHNICAL SKILLS

Mainframe Technologies: COBOL, JCL, CICS, DB2, VSAM, IMS

Programming Languages: Java, Python, SAP ABAB

Database Management: SQL, DB2, IMS, COBAL, CA Endeavor

Tools & Utilities: IBM Utilities, TSO/ISPF, Batch Processing, Service now

Version Control: Git

Cloud Platforms: Google Cloud Platform, Microsoft Azure

Methodologies: Agile, SDLC

Soft Skills: Analytical Thinking, Collaboration, Problem Solving

PROFESSIONAL EXPERIENCE

Mainframe Developer & Support Engineer

Client: MasterCard & Citi Bank

Provide 24/7 production support for Mainframe applications, monitor and resolve job failures, develop job schedules, Batch processing, support COBOL/DB2 programs.

Monitor, troubleshoot, and resolve job failures and abends using CA7.

Handling Change Request for Scheduling and CTAP Approvals.

Coordinate with development and QA teams to implement production changes.

Performing Pre-Requisite & CICS Refresh for Stress testing.

Scheduling, Triggering and clearing abends for batch running jobs.

Monitoring and worked snow queue for change tasks, request and incidents.

Performing package promotion/demotion, approve & revert in cman.

Reporting CICS & MQ status, job counts for regions and Weekly productivity report.

Worked on Production release activity to send Skinny and SLA reports to respective teams.

Handled Cutover and Codedrop activities.

EDUCATION

Bachelor of Engineering (B.E.) in Information Technology

Sri Krishna College of Technology, Coimbatore — 2018 - 2022

CGPA: 7.5 / 10

CERTIFICATIONS

Google Cloud Platform - Associate Cloud Engineer

Microsoft Azure - AZ-900 (Fundamentals), DP-900 (Data Fundamentals)

Mainframe Certifications: IBM Mainframe Level 1, CICS Level 2

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