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Jeffry Johar

Jeffry Johar

Jeffry is an expert in containerization and cloud computing. He works primarily with Podman, Docker, Kubernetes, VMware TKGI, and Red Hat OpenShift. He is also a seasoned systems administrator for Linux and Unix (HP-UX, AIX). He’s now picking up on public cloud services such as AWS and GCP, together with IaC (Infrastructure as Code) technology such as Terraform and AWS CloudFormation.

Experience

DevOps Engineer, Telekom Malaysia, Malaysia, 2009–2022. Implemented and operated platform-as-a-service systems by using Docker, Podman, VMware TKGI, Kubernetes, Velero, Portainer, Harbor, Gitlab, and Jenkins. Implemented centralized monitoring and logging for Kubernetes by using Prometheus, Grafana, Elastic Search, Logstash, Kibana, and Dynatrace. Implemented and operated a virtualized data center by using VMware vSphere, vRealize Operation and VMware NSXT. Implemented and operated RHEL, CentOS, Debian and Ubuntu. Implemented and operated SAP ECC6 and SAP WAS Java 6.

Systems Engineer, iPerintis, Malaysia, 2008–2009. Operated SAP ECC6, older SAP ABAP and Oracle RDBMS systems on HP-UX and Windows.

Systems Engineer, Proton, Malaysia, 2005–2009. Operated SAP ECC6, older SAP ABAP and Oracle RDBMS systems on RHEL. Operated Java-based ERP systems on Tomcat and RHEL.

System Engineer, DRB Hicom IT/​Open Source Competency Center, 2003–2004. OS maintainer for Komnas 2020 (A Red-Hat-based Linux OS). KDE Programmer and RPM Packager.

Firmware Design Engineer, Lucas Automotive/​TRW, 2002–2004. Embedded C and Assembly programmer.

R&D Engineer, Digital Aura, 2000–2002. Embedded C programmer for Hardware Driver and PLC hardware.

Education

  • VMware Certified Professional, Data Center Virtualization, 2022.
  • ITIL4 Foundation, 2022.
  • MS, Software Engineering, Universiti Teknologi Malaysia, Kuala Lumpur, 2007.
  • BS, Computer Engineering, California State University, Chico, California, 1999.

Personal

Jeffry is married to his wife, Norasikin Nasarudin. Together they have two daughters and two sons. His main hobby is learning different languages and research words’ etymologies. As of today he’s studied Arabic (good), Korean (starting), and Mandarin (few words).

He’s also picking up guitar as a hobby, and has an ESP-LTD electric guitar. Previously he was into photography, but he has lost interest since his Nikon D70s broke.

Jeffry also has a personal blog in Malay, Malay Technical Blog.