Jaco Kruger

Mainframe Specialist at Benta Arabia Consulting Ltd.

Saudi Arabia

About

I am an MVS Specialist with over 24 years’ experience providing comprehensive system programming support for z/OS and z/VM environments. This include installation, customization, maintenance, troubleshooting and performance tuning of IBM Mainframe Servers, z/OS, z/VM, Parallel SYSPLEX and numerous ISV products. Additional areas of expertise are MQSeries, RACF, SMP/E and Disaster Recovery planning and execution.

Experience

  • Mainframe Specialist at Benta Arabia Consulting Ltd.
    Jan 2022 - Present · 4 yrs 6 mos

    I am currently a Mainframe Specialist with Benta Arabia Consulting Ltd. I am assigned to Riyad Bank in Saudi Arabia as an Mainframe Specialist My main functions are z/OS and z/VM responsibilities • Assist with z/OS and z/VM installation, maintenance, migration and support • Assist with Parallel SYSPLEX implementation and support • Assist with IBM z Series Hardware management, support and upgrade in primary and disaster recovery data center • Provide extensive systems-related troubleshooting using LOGREC, IPCS dump analysis, OMEGAMON/MVS, RMF and GTF traces. Also assist in solving application-related abends using IBM Fault Analyzer • Perform z/OS performance management and tuning using RMF and Omegamon/MVS • Maintain WLM policies for z/OS environments • Assist in z/VM performance management using Velocity • Assist in the performance management using IBM Application Performance Analyzer • Assist Application teams in cost saving initiatives • Assist in IBM and ISV software installation, maintenance, migration and support • Expert in SMP/E installation and maintenance skills • Assist in Mainframe configuration using HCD • Provide assistance to Mainframe Security team • Provide SME support to operations staff, application and technical teams • Train and mentor junior MVS systems programmers

  • Senior MVS Systems Programmer at Riyad Bank
    Jun 2005 - Jun 2021 · 16 yrs 1 mo

    My main functions are Head of Mainframe Infrastructure team • Manage Mainframe support staff • Customer and management liaison • Assistance in the preparation of SOWs z/OS and z/VM responsibilities • Lead person responsible for z/OS and z/VM installation, maintenance, migration and support • Lead person responsible for Parallel SYSPLEX implementation and support • Lead person for IBM z Series Hardware management, support and upgrade in primary and disaster recovery data center • Provide extensive systems-related troubleshooting using LOGREC, IPCS dump analysis, OMEGAMON/MVS, RMF and GTF traces. Also assist in solving application-related abends using IBM Fault Analyzer • Perform z/OS performance management and tuning using RMF and Omegamon/MVS • Maintain WLM policies for z/OS environments • Perform z/VM performance management using Velocity • Assist in the performance management using IBM Application Performance Analyzer • Prepare and present workload trends and growth forecasts of z/OS and z/VM environments using Excel charts/graphs • Assist Application teams in cost saving initiatives • Assist in IBM and ISV software installation, maintenance, migration and support • Expert in SMP/E installation and maintenance skills • Lead person responsible for Mainframe configuration using HCD • Provide assistance to Mainframe Security team • Design and support of cost-effective mainframe solutions • Liaison with IBM on high severity incidents • Provide SME support to operations staff, application and technical teams • Train and mentor junior MVS systems programmers