Arshan D Shwaruf
Bengaluru
Summary
Senior zOS System Programmer with 9 years of experience specializing in IBM z/OS upgrades and ISV product installations. Demonstrated success in enhancing system performance and streamlining operations through strong problem-solving skills and extensive knowledge of IBM utilities. Managed critical upgrades effectively, ensuring seamless service delivery and high client satisfaction. Key areas of my expertise includes
- Software upgrades
- System maintenance
- Technical documentation
- Customer support
- z/OS maintenance
- System performance tuning
- Disaster recovery planning
- ISV product installation
- Problem diagnosis
- Mainframe incident support
- Software upgrade planning
- Disaster recovery
- ISV License Management
- zOS Upgrade
Overview
9
9
years of professional experience
Work History
Senior zOS System Programmer
ATOS Global IT Solutions
Bangalore
11.2024 - Current
- Upgrading zOS from 2.4 to 3.1, enhancing system performance.
- Performed zOS maintenance RSUs 2501, 2503, 2505, and 2508 to ensure system stability.
- Installed ISV products including EJES, IBM File Master, IBM Debug for zOS, and IBM Fault Analyzer.
- Customization of system definitions for improved functionality and fine-tuning.
- Planned and implemented disaster recovery test exercises for operational resilience.
Mainframe zOS System Programmer
Al Rajhi Bank
Riyadh
10.2023 - Current
- Maintained stable system performance during bank payroll processing through effective technical support.
- CPU capacity planning & implementation in real time based on the workload
- Diagnosed and resolved anomalies in z/os systems to prevent service disruptions.
- Coordinated license applications for ISV products including BMC, MACRO4, and PKWARE.
- Implemented best practices for z/OS and ISV product usage to enhance operational efficiency.
- Planned and executed software upgrades and maintenance for IBM and ISV solutions like BMC.
- Provided 24x7 mainframe incident support, ensuring minimal downtime.
- Developed disaster recovery plans to safeguard against potential system failures.
- Utilized hands-on expertise in JES2, sysplex configuration, USS, SMPE, and NON-SMPE installation.
zOS Mainframe System Programmer
Ensono LLC
Chennai
08.2022 - 10.2023
- Configured external passphrase setup for Compuware Topaz Workbench, enabling application teams to log in successfully.
- Conducted definition tuning for zAdviser setup, facilitating production environment integration with CMSC and SMF.
- Implemented QuickGen feature in Production systems, streamlining security data reporting for the security team.
- Diagnosed BMC AMI Console Viewers connectivity issues, identifying root causes and providing effective solutions.
- Deactivated IAM system level interface in Production, ensuring all files utilized VSAM instead of IAM storage.
- Executed ENFSNMP Monitor setup, overcoming network complexities to establish operational SNMP trap communication.
- Coordinated fresh ICSF and HIS setup for newly onboarded clients, ensuring successful implementation.
- Upgraded Xpeditor for TSO to version 17.02, restoring compatibility with Xpeditor for CICS.
Infrastructure Engineer - Mainframe
Tata Consultancy Services (TCS)
Chennai
03.2021 - 08.2022
- Executed upgrade and maintenance planning for WPS Analytics, ensuring timely delivery within stringent timeframe.
- Coordinated with application and development teams to integrate updated base code into existing environment.
- Planned and executed Infogix ACR upgrade, adapting critical load balancing applications to historical base code.
- Customized TWS Audits product for improved analysis and reporting quality in z/OS environment.
- Administered Vanguard product upgrades, enhancing cybersecurity features for z/OS policy administration.
- Drafted comprehensive upgrade plans for CL/Supersession, facilitating implementation of High Availability Option.
- Identified and rectified VSAM index errors, recovering damaged datasets and implementing preventative measures.
- Managed ISV products' upgrades and maintenance, including Vanguard, TWS Audits, WPS Analytics, Infogix, and CL/Supersession.
Mainframe System Programmer
IBM India Pvt.Ltd
Bengaluru
10.2016 - 03.2021
- Executed planning and scheduling for CA MIM Resource Sharing upgrades and maintenance delivery. This enhanced CPU ZIIP usage, reducing total mainframe computing costs.
- Customized ASG JCLPREP product to improve JCL quality and minimize system downtime.
- Upgraded CA PDSMAN PDS Management 7.7, eliminating out-of-space issues.
- Implemented SADMP via Auto IPL process, reducing manual intervention and timeframe risks.
- Conducted periodic system health checks to maintain optimal performance.
- Diagnosed and resolved system-related anomalies affecting customer service continuity.
- Provided 24x7 mainframe incident support, ensuring compliance with SLA expectations.
Education
PGDM - Business Analytics
Reva university
Bangalore, India09.2023
M.A. - English Literature
Alagappa University
Tamilnadu05.2022
BE - Computer Science and Engineering
Arunachala College of Engineering For Women
Kanyakumari, Tamil Nadu05.2016
Technical Skills
Transaction Processing: IMS,DB2,CICS
Runtime Environment: zOS 1.13,2.2,2.3,2.4,2.5,3.1,REXX,CLIST,JCL,TSO/ISPF, JES2, JES3
Mainframe Networking: TCP/IP, VTAM
IBM Mainframe Session: Vista, Bluezone
Software Installation/Maintenance: SMPE, zOSMF
Security Systems - ACF2, IBM RACF
Job Output management: IBM SDSF, IOF, EJES
Change management: Serena Changeman, CA Endevor
Job management: ASG Zeke, Control M, CA7
JCL validation: JCLCHECK, JCLPREP, ASG PRO JCL
Storage: MIM, CA1
Output management: Systemware JHS, ASG View Direct, CA VIEW/SAR, Seasoft $AVRS, Control V
Performance Tuning: SMF, RMF, SCRT Reporting
Languages
- English
- Tamil
- Malayalam
Personal Details
- Father's Name: K.Dhilip Kumar
- Date of Birth: 01/12/95
- Nationality: Indian
Accomplishments
- Spot recognition for aiding sysprog teams to streamline installation jobs, offload process
- Recognized in Manager's Choice Award - 2019 1H Program
- Bestowed with Client Rockstar award Unmatched Client Dedication
Timeline
Senior zOS System Programmer
ATOS Global IT Solutions
11.2024 - Current
Mainframe zOS System Programmer
Al Rajhi Bank
10.2023 - Current
zOS Mainframe System Programmer
Ensono LLC
08.2022 - 10.2023
Infrastructure Engineer - Mainframe
Tata Consultancy Services (TCS)
03.2021 - 08.2022
Mainframe System Programmer
IBM India Pvt.Ltd
10.2016 - 03.2021
PGDM - Business Analytics
Reva university
M.A. - English Literature
Alagappa University
BE - Computer Science and Engineering
Arunachala College of Engineering For Women
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