Prasad Nallam
Belle Mead
Summary
Experienced IT Infrastructure Operations Analyst with over 10 years of strong background in Mainframe and HP Nonstop (Tandem) production environments, including BASE24, POS/ATM Switching, and critical banking systems support. Strong hands-on experience with mainframe tools and technologies including CA ESP, CA-7, JES2, JES3, TSO/ISPF, SDSF, IMS, CICS, JCL, and Netcool. Also skilled in Problem Management and incident resolution. Performed various roles throughout my career as a specialist in mainframe server performance, including z/OS upgrades, service delivery, system maintenance, and resolving critical production issues.
Overview
12
12
years of professional experience
Work History
Engineer
ANZ Banking Group (Operations & Technology)
08.2017 - 05.2025
- Supported 24/7 Mainframe and Tandem operations for BASE24, ATM/POS transaction systems
- Handled batch job monitoring, resolved abend issues, and followed up with application teams
- Monitored ATM loads, Prognosis alerts, and Web ViewPoint events for system anomalies
- Performed password management, elevated access provisioning, and BASE24 key loads
- Maintained shift handover documentation, incident logs, and root cause details
- Troubleshot EMS logs, system faults, and escalated high-severity incidents via ServiceNow Conducted BASE24 command executions, ATM configuration changes, and log analysis
- Environment: CA7/Ca11, Solve, Console Monitoring, Netview, Mainframe Control-M, AS400, Robot, EOTS, Splunk, OM9, Data Protector, Ctrl -M, HMC
Production Support Analyst
Accenture Services
10.2015 - 01.2017
- Well-versed in production control operations and scheduling processes.
- Monitored all mainframe batch jobs, fixed abends, investigated long-running jobs, and resolved batch loop-back issues.
- Ensured timely completion of batch cycles by holding, force completing, rerunning, and scheduling jobs for the next workday.
- Provided technical second-level product support for company applications.
- Tracked trouble tickets and resolved escalated support incidents efficiently.
- Responded to technical support queries and implemented fixes for application problems.
- Monitored batch cycles across daily, weekly, monthly, quarterly, and yearly jobs; reported job statistics to clients.
- Collaborated with cross-functional teams to proactively address support issues.
- Created and maintained comprehensive documentation for supported applications.
- Coordinated with application teams to resolve technical support issues.
- Held jobs during weekend maintenance windows to support system updates.
- Scheduled jobs according to user requests
- Environment: CA-ESP, BMC Remedy, GUI, Netcool, SAP
Data Center Operator
Hewlett Packard India Pvt Ltd
06.2013 - 10.2015
- Responsible for the day-to-day system operation, support, monitoring, incident management and ensuring overnight SLAs are met.
- Escalation point for HPI & Technology Incidents & Managed P3’s
- Escalation point for Emergency Changes.
- Temporary User Access Management (TUAM) provides elevated access for support when required to perform fixes & changes across all platforms and regions.
- Removal of unproductive demand across all platforms including spurious alerting, unknown CI’s, left over jobs after decommissioning. Repetitive known incidents. Creating KB articles
- Unix/Windows – Monitor and respond to alerts and incidents. Raise and escalate incidents. Monitor batch utilizing Control-M, Manage and rerun all backups via Data protector, monitor OM9. User requests. Monitor Interlink and escalate if required. Capture OVO logs for reporting. Gather Data protector & Control-M stats for reporting.
- Network outages - monitor using Eye of the storm, investigate & escalate if not recovered.
- Manage the coordination, documentation and tracking of critical service requests, ensuring rapid and complete request fulfillment.
- Monitor, Control and perform all scheduled activities on Data Center Systems and remote application servers
- Identification of long jobs running in Control M.
- Work proactively with the Applications, Systems and Database teams to continually optimize the batch job streams and improve the job performance.
- Environment: Control M
Education
Bachelor of Technology -
JNTU Hyderabad
Mallareddy College Of Engg05-2012
Skills
- Password management
- Log analysis
- Proactive approach
- Training and mentoring
- Scheduling
- ITIL framework
- IT compliance
- System maintenance
- Multitasking Abilities
- Problem-solving abilities
- Troubleshooting and Diagnostics
- Batch job monitoring
- Incident management
- Access provisioning
- Command execution
- System troubleshooting
- Production control
- Technical support
- Documentation management
- Change management
- Cross-functional collaboration
- Problem solving
- Root cause analysis
- Vendor coordination
- Network security
- Service level agreements
- System monitoring
- Cross-functional communication
- Asset management
- Data center infrastructure
- ITIL processes
- Customer support
- Disaster recovery
- Server maintenance
- Data center operations
- Disaster recovery planning
- Infrastructure management
- Root-cause analysis
- Problem-solving
- Diagnose network problems
- Call triaging
- System administration
- Analytical thinking
- IT infrastructure
Employment Summary
- Working as Engineer in ANZ, Bangalore from August '17 to May 2025.
- Worked as Senior System Operator in Accenture Services Pvt. Ltd, Bangalore from Oct '15 to August’2017
- Worked as Mainframe Operations Professional in HP, Bangalore from Jan JUN’13 to OCT 2015
Timeline
Engineer
ANZ Banking Group (Operations & Technology)
08.2017 - 05.2025
Production Support Analyst
Accenture Services
10.2015 - 01.2017
Data Center Operator
Hewlett Packard India Pvt Ltd
06.2013 - 10.2015
Bachelor of Technology -
JNTU Hyderabad
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