I am an experienced IT professional with more than 7 years of experience as an IBM Mainframe Operator and 16 years as an IBM TWS Operations Scheduling and Support.
My strong technical knowledge and outstanding interpersonal skills enable me to interact with a wide range of clients.
I am a mature team worker and adaptable to all challenging situations, able to work well both in a team environment as well as using own initiative.
I am able to work well under pressure, adhere to strict deadlines and flexible about working hours and can work shifts.
My strong customer service and communication skills, combined with my work experience, make me an asset to the organization.
Core Functional Knowledge/ Skills
• Client Excellence Orientation
• Initiative
• Teamwork
• Analytical thinking
Competencies
• Support of mainframe operating system and associated utilities & management software
• Research
• Change Management
• Documentation – drafting procedures, information, processes, creating reports and
keeping logs for compliance and auditing purposes.
• Software Installation
• Systems Testing
Technical Experience
- z/OS / MVS / JES2
- JCL
- TSO
- TWS for z/OS
- IBM Connect Direct
- TWS Batch implementation
- IBM Top Secret (Security)
- Basic knowledge UNIX, SAP, Windows
- Problem, Change and Incident Management (ITIL processes)
| Last Resume Update | March 25, 2025 |
| Address | Johannesburg, South Africa |
| charlesncsalima@gmail.com | |
| Phone Number | 0782936807 |
Experience
IBM TWS Operations Scheduling and Support
• Implement and schedule requests for batch processing and scheduling in mainframe.
• Mainframe batch process support and consulting for production and testing environments
• Mainframe testing and production scheduling – IBM TWS for mainframe (z/OS)
• Respond to outages and implement follow up procedures.
• Use IBM Job Control Language (JCL) files, and FTP for the delivery of batch processing and scheduling of system resources.
• Provides solutions to a variety of technical problems of moderate scope and complexity.
• Implement approved requests for Operations support on special projects.
• Running of batches on Mainframe and configuring and upgrading of software on Unix
• Maintain TWS calendars and periods.
• Create event trigger and special resources.
• Scheduling Connect Direct jobs on a one-time, recurring or continuous basis.
• Investigating Connect Direct file transfer alerts with failures and handling processing errors
• Monitor and ensure Connect Direct provides assured delivery, high-volume, and secure data exchange within and between the systems.
• Installation and implementation of software package updates for production and testing environments
• Schedule and modify job application in TWS Current Plan and database.
• Error analysis and error handling
• Incident Management
• Customize batch that uses IBM Connect Direct as designed for batch processing and scheduling in mainframe
• Observation of IBM TWS batch process
• Create guidelines and procedures for the batch users including operators.
• Participate in daily / weekly meetings and change meetings.
• Audit TWS environment
• Update, add, remove and amend users with z/OS security (Top Secret)
Education
Diploma in Visual Basic Programming & Microsoft Access