Sai Lokesh Ganesh

I am a z/OS System Programmer with solid hands-on experience working in mainframe environments that support critical business operations. Over the past few years, I have focused on system maintenance, product installations, upgrades, license management, and large-scale migration activities. I work closely with cross-functional teams to ensure systems remain secure, stable, and up to date.

I'm known for being reliable during major change windows, and consistent in maintaining high system availability.

Analyst II Infrastructure Services - Mainframe System Programmer - DXC Technology - Chennai

(2022-06)

Working as z/OS System Programmer at DXC Technology, supporting and managing mainframe systems for clients across ANZ region.

• Supported z/OS upgrades by preparing systems, coordinating IPLs, validating products, and ensuring smooth post-upgrade stability.
• Applied and renewed product licenses.
• Completed TADz upgrades across all LPARs and handled BAU tasks like KPI submissions, TADz job runs, and SCRT missing reporting.
• Installed and configured OPSMVS, CA Common Services, CA Librarian, and Endevor v19 in ZD&T systems to strengthen test environments.
• Implemented and maintained Parmlib, APF, Linklist, and LLA updates across environments to improve system performance.
• Contributed to z/OS 2.5 compatibility checks and z14 migration activities, including pre/post-checkouts, and subsystem validations.
• Worked closely with DB2 and CICS teams for configuration changes and coordinated IPLs.
• Supported upgrades for various ISV product customizations.
• Applied maintenance for Top Secret, CA1, Easytrieve, CCS, and performed product EOS checks to stay compliant.
• Participated in Disaster Recovery drills and Daylight Savings changes, ensuring operational readiness.
• Helped decommission legacy products like XPAF.
• Created and maintained technical documentation, SOPs, and knowledge bases for smooth operations.
• Assisted in troubleshooting complex issues, coordinating with vendors, and resolving problems quickly.
• Trained and mentored new team members on installations, Parmlib updates, and BAU tasks.
• Awarded "FY24 Q2 Champ Award" for contribution to major system upgrade and maintenance activities.

B.E. - Computer Science and Engineering - Prince Shri Venkateshwara Padmavathy Engineering College (2018 - 2022)

Higher Secondary - CBSE - Sree Narayana Mission Senior Secondary School (2017 - 2018)

Senior Secondary - CBSE - Sree Narayana Mission Senior Secondary School (2015 - 2016)