MAINFRAME OPERATIONS – SUBJECT MATTER EXPERT (SME)
ARUNKUMAR VASUDEVAN
Kyndryl
Brno-Medlanky
1
Language
1
Certification
7
years of professional experience
Experienced Mainframe professional with 7 years in enterprise environments, specializing in Mainframe Operations and CICS Administration. Expertise in IBM CICS Transaction Server management, production incident resolution, and operational improvements. Currently serving as a Mainframe Operations SME, providing technical guidance and documentation while enhancing service delivery and cross-functional collaboration. Committed to ensuring production stability and minimizing downtime.
Work History
MAINFRAME OPERATIONS – SUBJECT MATTER EXPERT (SME)
1 Year 11 Months- Provide Subject Matter Expert support to the Mainframe Operations team, ensuring smooth day-to-day operational activities.
- Resolved operational queries for team members while ensuring adherence to established Mainframe support procedures.
- Support team members in resolving operational queries and following established Mainframe support procedures.
- Conducted knowledge-sharing sessions on Mainframe operational processes, procedures, workflows, and best practices, enhancing team expertise.
- Successfully delivered knowledge transfer sessions to multiple team members and new joiners.
- Deliver knowledge-sharing sessions covering Mainframe operational processes, procedures, workflows, and best practices.
- Developed and updated operational documentation, knowledge articles, and process-related materials to support consistent service delivery.
- Contributed to smoother onboarding and knowledge transition activities.
- Guide team members in understanding production support responsibilities, incident handling procedures, and operational standards.
- Helped strengthen team capabilities through technical guidance and continuous knowledge sharing.
- Defined essential functions and roles within the team.
- Highlighted significant successes and contributions to team goals.
- Provided expert guidance on Mainframe Operations support tasks.
- Ensure operational activities are performed in accordance with established procedures and SLA commitments.
- Key Achievements
- Supported consistent operational service delivery through documentation, process awareness, and collaboration.
CICS ADMINISTRATOR
2 Years 5 Months- Provided operational support and administration for IBM CICS Transaction Server environments.
- Resolved CICS-related incidents and service requests within agreed SLA timelines.
- Coordinated CICS upgrade activities, including preparation, implementation, and post-change support, ensuring smooth transitions.
- Participated in CICS TS 5.6 upgrade activities for several customers, gaining practical experience in CICS version upgrade procedures.
- Collaborated with z/OS, DBA, and infrastructure teams to investigate and resolve CICS-related issues, enhancing system reliability.
- Participated in CICS upgrade activities, including preparation, implementation, and post-change coordination.
- Facilitated creation and coordination of CICS upgrade change requests, streamlining the upgrade process.
- Assisted in creating and coordinating CICS upgrade change requests.
- Contributed to successful change preparation through prerequisite reviews and collaboration with technical teams.
- Collaborated with z/OS, DBA, infrastructure, and other technical teams to investigate and resolve CICS-related issues.
- Took ownership of assigned tasks and responsibilities during changes, upgrades, and service requests.
- Defined essential functions necessary for CICS administration.
- Highlighted significant contributions to CICS upgrades.
- Completed all mandatory technical education and training within the required deadlines.
- Key Responsibilities
- Key Achievements
- Completed CICS TS 6.1 upgrade education delivered by our internal CICS/MQ expert.
- Successfully created a new CICS region in a sandbox environment following the training.
- Developed technical knowledge of CICS administration, region management, and operational procedures.
MAINFRAME OPERATIONS ENGINEER
2 Years 11 Months- Provided operational support for enterprise Mainframe environments.
- Executed routine Mainframe monitoring and operational checks, ensuring production system stability.
- Monitored batch processing and supported production workload execution.
- Investigated operational alerts, facilitating timely incident resolution.
- Collaborated with technical teams to troubleshoot and resolve Mainframe-related operational issues.
- Followed established operational procedures and service management processes.
- Key Responsibilities
Education
Bachelor of Engineering (B.E.) - Mechatronics Engineering
Skills
IBM CICS Transaction Server (CICS TS)
CICS Administration
CICS Operations
CICS Transaction Server Operations
CICS Region Administration
CICS Region Creation (Sandbox Environment)
CICS upgrade support
CICS Performance Monitoring
CICS investigation
Mainframe Operations and Administration
Mainframe Technologies
z/OS support
Production Support and Monitoring
Mainframe Batch Monitoring
IT operations
Production Monitoring
Incident management
Problem management
Change management
ITIL processes
SLA management
Technical documentation
Technical Documentation
Technical Training
Onboarding Support
Team Support and New Joiner Onboarding
Team coordination
Stakeholder collaboration
Operational Support
Program control
Mainframe Cloud Solutions
Certification
- Microsoft Certification
- Microsoft Certified: Azure Fundamentals
- IBM CICS Transaction Server – Foundation Program
- CICS TS 5.6 – CICS Explorer Fundamentals
- CICS TS 5.6 – CICS Transaction Server Introduction
- CICS TS 5.6 – Concepts and Operation Assessment
- CICS TS 5.6 – Controlling CICS Transaction Server Operations
- CICS TS 5.6 – Program Control and Communication
- CICS TS 5.6 – Storage and Transient Data
- CICS TS 5.6 – CICS Command Simulation
- IBM MQ Training
- Introduction to IBM MQ
- MQ for Application Programmers
- Additional Professional Development
- CICS TS 6.1 Upgrade Education
- Mainframe System Administrator – CICS Foundation Program
- Mandatory internal technical and operational training
LANGUAGES
English – Fluent
ADDITIONAL INFORMATION
- Over 7 years of experience in enterprise Mainframe environments.
- Experience supporting international customer environments at Kyndryl.
- Experience delivering knowledge transfer to multiple Kyndryl clients, team members, and new joiners.
- Strong analytical, troubleshooting, and problem-solving abilities.
- Customer-focused approach with strong ownership and accountability.
- Comfortable working in 24x7 production support environments.
- Committed to continuous technical learning and operational excellence.
Personal Information
Title: SENIOR MAINFRAME SUPPORT ENGINEER | CICS ADMINISTRATOR | MAINFRAME OPERATIONS SME
Timeline
MAINFRAME OPERATIONS – SUBJECT MATTER EXPERT (SME)
Kyndryl
12.2024 - CurrentRead More
CICS ADMINISTRATOR
Kyndryl
07.2022 - 12.2024Read More
MAINFRAME OPERATIONS ENGINEER
IBM/Kyndryl
08.2019 - 07.2022Read More
Kumaraguru College of Technology
Bachelor of Engineering (B.E.) from Mechatronics Engineering
Read More