Arun Kumar Chauhan

Experience

• 

  Fibcom India Ltd

  Jan 2009 - Mar 2010

  Ex. Engeener

  • Installation and administration of Solaris 10.• Applying OS patches. Package administration.• Managing local disk devices, Disk Partitioning.• Oracle10g installation and administration on Linux platform.• Setup CVS and CVS mirror Environment for ESW/NMS stored procedures that increased efficiency of version control on Linux.• Setup SVN and SVN mirror Environment for FPGA stored procedures that increased efficiency of version control on Linux.• Installation and configuration of rational clear case server.• Administration of A1000 and EMC storage. Show less

• 

  Mahindra Comviva

  Mar 2010 - Jan 2011

  Sr. Engeener

  • Installation and administration of Solaris 10.• Applying OS patches. Package administration.• Managing local disk devices, Disk Partitioning.• Configuring network Interface.• Configuring and administration of NFS server.• Deployment of new software from our development group to our various servers with a minimum of user-visible downtime (normally we manage to achieve none at all).• Working with development team to test and debug production outages and issues.• Managing Backups using both flavours and generic specific like Tar and cpio commands and restoring on taps and Hard disk.• Provided support on telecom product USSD.• Keeping the machines stable and other routine system administration tasks. Show less

• 

  Fibcom India Ltd

  Jan 2011 - Feb 2013

  Sr. Engineer

  • Installation and administration of NMS (Network Management System) on Solaris 10.• Administration of Sun Spark T2000, T5120 Server, SunFirev125.• Managing user account and groups on Solaris.• Raid Configuration on Solaris 10.• Installation and configure of PHP with Mysql.• Configuring and administration of NIS server.• Monitoring Server performance and trouble shooting on Linux platform.• Managing Backups using both flavours and generic specific like Tar and cpio commands and restoring on taps and Hard disk.• Using the TCP/IP applications such as Telnet, SSH, and FTP.• Managing and configuring Squid Servers.• Configuring and administration MySQL/Oracle10g database on Linux. • Configuring Apache, PHP, PERL, MYSQL and JAVA package on Linux platform.• SAP production, quality and development server administration.• Maintaining EMC and A1000 storage• Configured Cisco router and switch to resolve network related issue.• Troubleshooting Hardware & software related issues on NMS Servers. Show less

• 

  HCL Technologies (Infrastructure Services Division)

  Feb 2013 - Mar 2015

  Technical Specialist

  Served as a Technical Specialist for the Infrastructure Operations Team supporting servers across all datacentre in US.• Configuring and administration of NFS server.• Managing user account and groups on AIX.• Configuring and administration of NFS server and autofs.• Mksysb and osync troubleshooting.• Lpar and VIO concepts through hmc.• Day to day administration of the Development, Production and Test environment systems• Installation and Configuration of Network Installation Manager (NIM), configuring the NIM master and assigning the clients and taking the mksysb of the NIM client on the NIM master• Restoring the server from the mksysb image and bringing up the server• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.• Experienced in monitoring system performance on slow servers and check the errpt and also status of the system using utilities such as TOPAS, SAR, NMON, VMSTAT and IOSTAT.• Installation and configuration of Bugzilla on Linux.• User accounts, Swap management and Quotas management on Linux and Solaris.• Making platform specific software repository using RPM. Show less

• 

  Vodafone

  Mar 2015 - Apr 2019

  Served as a Manager(Sr. Consultant) for the Infrastructure Operations Team supporting servers across 4 data datacentre in Europe.• Build, test, and deploy scalable, high available OpenStack Private cloud environments on Vodafone cloud environments.• Manage OpenStack infrastructure upgrade, expansion, scaling, troubleshooting, and debugging in most challenging and complex environments• Train customers and team mate for all shapes, size in order to maximize ecosystems for their business, setting them up for optimal conditions to best service their customers. • Installation and Configuring of Red Hat Linux Operating System.• Compilation and Up gradation of Kernel and OS patching on Linux platform.• Handling Critical servers/project for payment card interface.• Maintaining Veritas Volume Manager (VxVm).• Maintaining Veritas cluster (VCS) and Redhat Cluster.• Managing virtual servers(VMware)• Maintaining Logical Volume Manager (LVM).• Worked on oracle virtual box and VMware work station.• Worked on Problem Management Incident.• Raised case and follow up vendor for hardware/software fault. Show less

  • Manager

    Jul 2018 - Apr 2019

  • Deputy Manager

    Jul 2017 - Jul 2018

  • Assistant Manager

    Mar 2015 - Jul 2017
• 

  T-Systems ICT India Pvt. Ltd.

  Apr 2019 - Sept 2024

   Integration of OpenStack with Ceph cluster. Advanced neutron with mechanism driver-OVS, Type Driver-VXLAN, GRE and VLAN. Manage OpenStack infrastructure upgrade, expansion, scaling, troubleshooting, and debugging in most challenging and complex environments.  Managing and configure cloud forms appliance. Integration and managing of Red hat OpenStack Platform as a cloud provider with CloudForms 4.0. Integration and managing of Red Hat virtualization as an Infrastructure Provider with CloudForms 4.0. Integration and managing of OpenStack Neutron as a network provider. Managing and integration of OpenShift in CloudForms 4.0 as a container provider. Managing tenants, users, groups, chargeback rates, cloud forms reports and alerts. Analyzing metrics with cloud forms intelligence, managing resource policies. Configuration and troubleshooting of OpenShift environment. Managing Service accounts, user/ group policies, Security Context constraints. Creating pods using GitHub, Docker registry, template. Managing application deployments. Controlling access to OpenShift resources. Allocating Persistent storage to pods. Installation and configuration of Metrics subsystem. Creating routes and exposing access to the application installed on pods. Show less

  • Senior Principal Engineer

    Jan 2022 - Sept 2024

  • Technical Architect

    Apr 2019 - Apr 2022
• 

  Volkswagen Group Technology Solutions India

  Sept 2024 - now

  Senior Consultant