John Charlas

I

SENIOR TECHNICAL CONSULTANT

Infrasoft Technologies Ltd

Dec 2022 - Current (3 years 7 months)

• Analysed IT infrastructure needs to determine project scope and resources. • Translate technical specifications for systems into products requirements and internal documents. • Researched customer technical specifications and requirements with technical architects by doing POC for inhouse and Vendor based applications on Prem/AWS/Azure/IBM cloud. • Created and managed highly available Kubernetes clusters on Azure/AWS/IBM Cloud resulting in 50% reduction in deployment time and 30% cost savings. • Improved the reliability of the systems by implementing self-healing and auto-scaling capabilities using Kubernetes. • Solid understanding of principles of Continuous Integration, Continuous Deployment, and Cloud Implementations with demonst

LEAD SYSTEMS ENGINEER

U3 Infotech

May 2022 - Dec 2022 (8 months)

• Installed and configured Rancher based kubernetes environment. • Designing and implementing application infrastructure with developers. • Automate manual day to day operational works like Deployments and restarts. • Design self-healing and resiliency patterns • Design and Implementing Nagios core servers and clients for proactive monitoring. • Creating dashboard inJira and Running scurm with development team along with infra teams. • Developing Terraform codes for infra hosted in Azure. • Designed and developed automated solution to build docker images using docker file and pushing into Azure container registery. • Designed and maintained Multitenancy kubernetes environment. • Designed and developed EKS/ECS/ALB/NLB/S3 in AWS.

S

SENIOR WEB SERVICES SPECIALIST

Standard Chartered Bank Sdn Bhd,

May 2013 - May 2022 (9 years 1 month)

• Experienced in Installing, Configuring, Tuning and Upgrading the middleware products like IBM WebSphere, IBM http server, JBoss, Tomcat, JbossFuse, apache http, ibm mq and Axway on Solaris, Linux and AIX. • Configured and used hybrid clustering (horizontal and vertical) to make use of efficient resources on a single system to provide hardware, failover and load Balancing using ODR's, F5's and Alteon's. • Successful implementation of Workload Management (WLM) using OS clustering techniques like Veritas by integrating with Middleware products . • Knowledge in Web Server administration which includes installation, configuration and troubleshooting of web Servers. • Experienced in end-to-end delivery process like designing the infra for

SENIOR SYSTEMS EXECUTIVE

Cognizant Technology Solutions

Mar 2010 - Sep 2010 (7 months)

• Shell Scripting • Transferring files from different environment like UNIX to Windows without password • Monitoring and troubleshooting Jobs • Scheduling scripts in cron to monitor batch jobs

PROJECT ENGINEER

Wipro Technologies

Jun 2007 - Mar 2010 (2 years 10 months)

• Installation and configuration of Master/Slave/Client BoKS Software in UNIX and Linux • Creation and modification of users • Linux OS administration like filesystem creation using VXVM. VCS clustering • Initial level Veritas NetBackup troubleshooting • Knowledge of Installing, Configuring and Managing vSphere Environments • Conversion of Physical and Virtual Environments to VMware Virtual Environments.

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