Jun 2023 – Dec 2025 · 2 yrs 6 mos · Toronto, Ontario, Canada · Hybrid

• I played a pivotal role in advancing Java Security on IBM Z, focusing on innovative solutions and robust functionality.
• Owned and maintained SAF/JAAS components, preparing them for GA readiness for Java 21 and 25.
• Conducted root cause analysis to debug defects, resolving complex issues using advanced tools.
• Served as Scrum Master, enhancing team efficiency through effective sprint planning and backlog refinement.

Jul 2022 – Jun 2023 · 11 mos · Toronto, Ontario, Canada · Hybrid

• Delivered Level 2 support for IBM Java on z/OS, showcasing technical depth and problem ownership.
• Specialized in JZOS security components, providing assistance with access and runtime troubleshooting.
• Managed high-priority incidents while ensuring strong communication within SLAs.
• Fostered collaboration across teams to enhance resolution processes and improve service delivery.

Mar 2021 – Jun 2022 · 1 yr 3 mos · Toronto, Ontario, Canada · Remote

• Monitored and processed batch and online applications across multiple platforms, ensuring 24/7 operational support.
• Oversaw production batch job flows using ZEKE and MVS/ISPF for comprehensive process validation.
• Identified and resolved issues in real-time, maintaining high availability and minimizing service disruptions.
• Actively managed production incidents and environment changes to uphold system integrity.

Jun 2019 – Oct 2019 · 4 mos · Thunder Bay, Canada · On-site

• Supported the migration of legacy client database files from mainframe systems to cloud infrastructure, ensuring data integrity.
• Reviewed business requirements and technical documentation to align mainframe data structures with cloud migration goals.
• Collaborated with cross-functional teams to facilitate a smooth transition and enhance operational efficiency.

Jul 2015 – Jun 2017 · 1 yr 11 mos · Bengaluru, Karnataka, India · On-site

• Worked with IBM Mainframe CICS and ISV products, performing installations, upgrades, and maintenance on the z/OS operating system.
• Designed and enhanced CICS modules, ensuring optimal performance, scalability, and maintainability.
• Developed a transaction-pulling module that reduced system workload by 30%, improving overall efficiency.
• Provided on-call and end-user technical support, ensuring rapid incident response and system uptime.
• Conducted quarterly Disaster Recovery (DR) exercises for IBM clients to validate business continuity readiness.
• Managed incidents, changes, and service requests through Maximo and ServiceNow platforms.
• Achievements:
• 🏆 Client Appreciation: Recognized for successfully handling a critical Severity 1 issue for a major banking client.
• 🌟 Best Performer: Awarded for exceptional performance during IBM training.

Jul 2014 – Aug 2014 · 1 mo · Chennai, Tamil Nadu, India · On-site

• Designed and developed an algorithm for bioinformatics analysis of protein sequences, enabling detection of specific amino acid patterns from large protein databases in under five minutes.
• Utilized Java and C++ to implement high-performance data processing and optimization techniques.