Linux System Administrator

Experience Summary • Over 6+ years of experience in Installation, configuration, administration, trouble shooting and providing support in Red Hat Enterprise Linux, Fedora Core and SUSE Linux. • Knowledge on Tidal enterprise scheduler. • Knowledge on Amazon cloud. Certifications • RedHat Certified Engineer(RHCE) • Red Hat Certified Security Specialist (RHCSS) • RedHat Certified Virtualization Administrator(RHCVA) • Certificate number is 110-769-700 Qualification • B.Tech. in Information Technology, First Class from Jawaharlal Nehru Technological University (2003-2007) Professional Summary: • Working as Sr Linux Administrator for ValueLabs, Hyderabad from Jun 2012 to till date. • Worked as a Sr Systems Engineer for GSS Infotech, Hyderabad from Aug 2010 to Jun 2012. • Worked as a Technical Consultant for Complete Open Source Solutions, Hyderabad from Jun 2008 to Aug 2010. Responsibilities: • Travelled to USA to work with client. • Installing datatrax(Product of Infotrax) servers to clients. • Installing and updating datatrax licenses. • Configured Nagios to monitor local/remote machines. • Troubleshooting the tickets triggered to RT and Jira. • Working experience on production support environment. • Building & Break fixing the Linux servers. • Root Cause Analysis (RCA) creation for severity one level tickets. • Kernel upgradation. • Installation linux servers through kick start. • LVM and logical volume creating, size extending & reducing • Documenting technical issues. • Configured Virtual Network interface • Process management (stopping, starting, refreshing). • User management (creating users, assigning permissions). • Security management (assigning file/directory permission) • Installing TIDAL Enterprise scheduler. • Scheduling jobs/job groups using TIDAL. • Dependancy job scheduling. • Creating custom calenders, alerts. • User management in TIDAL • Provided support to a various clients using Tidal enterprise scheduler • TIDAL administration. • Installing and terminating Amazon instances in different regions. • Taking application backup to S3 buckets using s3cmd • Attaching & deattaching EBS volmes to EC2 instances. • Installing apache tomcat • Installing and configuring Nagios monitoring tool • Configuring windows machines to monitor using Nagios. • Configured switch port monitoring using Nagios • Basic shell scripting. • Server patching using yum. • Installing packages using yum and rpm. • Configured secure apache(https). • Installed and configured Nagvis. • Provided KT to Level 0/1 support guys on Linux issues. Technical Skills: • Installation of Red Hat Linux server and workstations. • Installation and configuration of services like Samba File server,Apache web server, FTP server • Configured Linux box as software router. • Remote server administration using SSH • Automating the system tasks using Crontab and shell scripts. • Kernel upgradation. • Job scheduling using crontab & Cisco TIDAL. • Knowledge on Mysql basics. • File transfer across systems using ftp. • Working with Amazon API keys to secure S3 buckets • SVN repository configuration. • Package management using rpm and yum. • Managing amazon images and snapshots. • Worked on public key authentication using puttygen. • DHCP & DNS configuration • Squid proxy server configuration. • Sendmail and Postfix server configuration. • Nagios and Nagvis configuration. • Kickstart server configuration. • LVM, RAID 0,1 and 5 setup. • Knowledge on Amazon cloud. Personal Details: Name : P Kalyan Kumar Date of Birth : 17th AUG 1986 Sex : Male Passport number : F5694694 Visa : USA B1 Marital Status : Married Nationality : Indian Permanent Address : Pragathi Nagar, Hyderabad Kalyan Kumar P