SUMMARY

• Seeking assignments in System Administration along with cloud computing with a highly reputed & technology oriented
• Professional Synopsis Certified System Administrator (REDHAT), for RedHat Enterprise Linux, SCO - UNIX, Centos, Ubuntu, Fedora, Solaris, Windows 2008, Windows 2012 having gained a rich experience of 12+ years in troubleshooting, identifying problems and developing innovative solutions.
• Cloud Computing & Over Subscription.
• Worked on Public cloud computing platform like AWS, Hybrid clouds like Openenebula. Created RHEL, CentOS, SLES, Solaris 10, Windows 2008 Virtual instances on various virtualization platform like AWS, Opennebula, VMWARE and Citrix Xenserver.
• Efficient in monitoring the system resources and taking appropriate actions.
• Adept in analyzing information system needs, evaluating end-user requirements, identifying & troubleshooting problems as well as developing innovative solutions for complex information systems management.
• Strong communication, collaboration & team building skills with proficiency at grasping new concepts quickly & utilizing the same in a productive manner.

TECHNICAL SKILLS

• User Management.
• Disks and File systems management (LVM).
• Patch Management.
• Backup Management.
• Cluster Management.
• Network Management.
• DNS
• Email Hosting.
• VMware
• Amazon AWS
• Cloudstack
• Citrix Xenserver
• Shell Scripting

PROFESSIONAL EXPERIENCE

Confidential, Atlanta, Georgia

Linux Administrator

Responsibilities:

• Responsible for Installation, Configuration Management, Maintenance and Systems Development of Red Hat, Ubuntu Linux.
• Experience in development and configuration experience with software provisioning tools like, Puppet and Ansible.
• Good understanding of Docker Configuration Management Tool.
• Installation, Configuration and administration of DNS, LDAP, NFS, NIS, NIS
• Performed standard system administration tasks, such as patching, software and hardware upgrades, troubleshooting and problem resolution
• Recovering Linux with rescued booting mode
• Installing and configuring various services like DNS, DHCP, NFS, Send mail, Apache Web Server, NIS, Samba, SSH, Telnet, http, RPM Package Management, YUM.
• Building and deploying new Linux servers with pixie and configuring with ansible.
• Monitored Network services using NAGIOS.
• Setting up and maintaining Domain Names System (DNS) servers.
• Creating users with root's privileges and also users with limited root's privileges called the sudo users.
• Performed day to day LINUX/UNIX administration such as user accounts, logon scripts, directory services, file system shares, and permissions etc.
• Setup NFS and Samba File sharing setup on Linux and Windows servers
• Troubleshooting issues with Puppet Master and Agent.
• Configuring servers with Puppet Master and Agent tool
• Install and patch Apache, Tomcat 6, Tomcat 7

Confidential

Linux Administrator

Responsibilities:

• Working on Server Build Linux and Window servers for clients of US, UK, India, Australia, China, Europe on multiple platforms VMware.
• Manage datacenter IBM Softlayer, Viawest, Rackspace and Virtela regarding Server related issues.
• Manage Linux and Window Server issues like disk addition, extend partitions, add swap memory, increase CPU and memory, move VM from one data center to another.
• Working on Server Request for change process and Root Cause Analysis (RCA) process.
• Configuration of Active directory and LDAP Integration.
• Day to day Ticket based support for all customers.
• Worked on VMWARE client 5.5, 5.0 for maintaining VMs.
• Server Migration from one datacenter to another. Physical to Virtual server and Virtual to Virtual server.
• Cloud Management.
• Managed the server in day to day maintenance.
• Install and configure Database Oracle, My Sql server on Windows.
• Manage Icinga and zabbix for server Monitoring.
• Server Decommission Process.
• Manage server using Rundeck application.
• Server Patching during Quarterly Reboot.
• Manage customer like Microsoft, Pepsi, Confidential, Boler, Air Command Australia, Arthrex, Atlas Healthcare, Autoliv Thailand, Comvita New Zealand, Honeywell, Nexteer Automotive, Omron, Phenox Ireland Limited, Polaris, Takata Automotive, Watts Water Technologies Etc.

Confidential

Linux Administrator

Responsibilities:

• Creation of RHEL, CentOS VM instances for clients in the UK & India on multiple platforms VMware, AWS
• Day to day Ticket based support for UK clients - ABI-Barbour and NUS (National Union of Students)
• (o/s: Solaris 10 and RedHat Enterprise Linux 6 and 6.2)
• Worked on VMWARE client 5.5, 5.0 for maintaining VMs.
• Worked on SNELSERVER and OVH datacenter and create VMs on that & managed by VMWARE client 5.5.
• Managed the server in day to day maintenance, Daily Report activity.
• Level three tasks on MySQL, Apache, Tomcat, Installed SSL Certificates.
• Day to day Ticket based support for UK clients.
• Manage EC2 VMs on AWS
• Cluster Management using Scalr

Confidential

Linux Administrator

Responsibilities:

• Creation of RHEL, CentOS VM instances for clients in the USA, EUROPE & India on multiple platforms VMware, Open nebula, openstack, Citrix Xenserver.
• Worked on hypervisors- KVM QEMU, ESXi, Xen
• Managed the server in day to day maintenance, OS patching, Daily Report activity.
• Level three tasks on MySQL, Apache, PHP, java hosting, Installed SSL Certificates.
• Day to day Ticket based support for clients -Vistaar US and Vistaar India.
• Day to day Ticket based support for clients Bacardi US (Client).

Confidential

Linux Administrator

Responsibilities:

• I was involved in Maintenance and Updating below web portals.
• Involved in creation and maintenance of Canada immigration project. Like setup of server, installed and configure application server and database server. Support US client
• Setup online job portal project. Creation VM on AWS and give support to Asian clients
• Day to day Ticket based support for clients US and Singapore.
• Detailed monitoring of Amazon EC2 instance of Linux live, stage and Testing server.

Confidential

Linux Administrator

Responsibilities:

• And Linux Proxy Server O/S: RedHat Linux Enterprise 5.3
• Setup Postfix mail server with nice Squirrel Mail having all modern utilities, Disclaimer, Amavis, Squid proxy server (Bandwidth management through Squid) and Squid Guard, BIND Domain Name Server and MySQL database server. Implemented Open Source solution to e-mail server, using Postfix as MTA, Spamassasin, ClamAV and Amavisd. Having unlimited e-mail accounts for free with spam filtering and Antivirus capabilities without any cost of software or Operating System.
• Electric Billing and Customer Support System:-I was involved in the development project of Electric Billing System on Unix based Platform, used flat file system. O/S: - Sco UNIX, Shell scripting.
• Result Processing System for Ministry of Labour Bureau Govt. of India. The software is for different levels of examination generate the merit list of successful candidates of various categories. O/s: - Sco Unix, Linux Enterprise server 5.0
• Pay-roll system for post graduate institute of medical science & research having a large database of employees. The system generates the monthly pay-slips and calculates in advance. I was in team of development for this pay-roll system. O/S: - Sco UNIX,
• NCPUL (J & K) Project: It is using for publishing the result of NCPUL exams and also Employees Information System. O/S: RedHat Linux 5.0, MySQL server.