SUMMARY

• More than 6 years of expertise in administrating, configuring, managing and developing debian and CentOS based Linux distributions.
• Extensive experience in taking initiatives including system administration and data center projects.
• Very good experience with DevOps tools, Virtualization and Cloud Architecture.
• Experience with managing Unix and Linux Server infrastructure which is available most of the time.
• Experience with TCP/IP networking.
• Good knowledge of AWS (Amazon Web services), Puppet automation tool and VMware vCAC.
• Experience in managing more than 100 servers with petabytes of data.
• Working experience with virtualization and cloud infrastructure which is available most of the time including VMwere, Xen and AWS.
• Experience in administration of Source control management such as Git and Subversion (SVN).
• Experience working with build and release automation tools such as Jenkins with unit test plug - in Maven.
• Good Understanding of Network topologies such as LAN, WAN, VPN and Firewalls.
• Good experience in networking, Operating Systems and Application level security. Also involved in the design of the custom protection architectures.
• Advance knowledge of various Linux distributed OS such as BSD, Solaris, openSUSE and also Windows and Mac OS.
• Experience with automated build and release process, monitoring, maintaining and controlling software configurations in secured environment.
• Very good Programming and Scripting experience with Python, Linux Shell Scripting, Bash and C. Proficient in tcl, latex, postscript as well.
• Good experience with providing network security with no intrusions, adware and spyware on any network systems.
• Expertise on AWS cloud platform by providing scalability and flexibility with EC2(Elastic Cloud Computing), VPC(Virtual Private Cloud), ELB(Elastic Load balancer), Route53, S3(Simple Storage Service) and custom monitoring metrics via CloudWatch.
• Experience in installing, configuring, upgrading, highly available security administration. Experience with Database modeling across Clustered environments.
• Good hands on experience in writing and debugging stored procedures, complex queries, triggers, functions and troubleshooting issues in SQL.
• Experience on improving the performance of SQL queries by significant usage of the indexes and various hints.
• Experience in configuring Kickstart Servers and booting the images using PXE in Red hat Linux (RHEL).
• Experience in Volume management, Disk management, Software RAID solutions, file system tuning and growing.
• Experience working with Virtualization technologies such as Xen and VMware ESX.
• Excellent knowledge of Client/Server architecture, OSI layers and TCP/IP networks.
• Good knowledge in administrating and supporting the CM tools which includes subversion and CVS on Unix environments.
• Experience in source control management concepts such as branching. Merging, labeling/Tagging and integration.
• Experience in implementing and supporting highly available solutions such as database mirroring, clustering, log shipping and replication.
• Excellent communication skills, enthusiastic with the drive and determination to do whatever it take to get the job done.

TECHNICAL SKILLS

Operating Systems: Red Hat Linux, Solaris, Ubuntu, openSUSE, Fedora, CentOS, Windows (XP, vista, 7, 8,10), Mac, HP-UX

Protocols: TCP, IP, UDP, SSH, TELNET, DNS, DHCP, FTP, SMTP, POP3, SNMP, RIP, OSPF, OpenFlow

Programming Languages: Python, C, Perl, C++, Java (Proficient), Linux Shell Scripting

Network Troubleshooting Tools: ping, nslookup, traceroute, netstat, Wireshark

Cloud Technologies: AWS (EC2, S3, Route53, Dynamo DB, CloudWatch, IAM, EBS, CodeDeploy, VPC), Microsoft Azure, Xen Virtualization, Puppet, Chef, Jenkins

Versioning Tools: Git, Subversion (SVN), CVS

Database: Oracle 10.x, MySQL, SQL Server

Hardware: Cisco Catalyst Switches, Sun Fire (6800/4800/25 K/F15K), Cisco UCS Blades, Ultra Enterprise 6000/5000, F5 Load balancers, VMware ESX

Web Technologies: Tomcat, Apache, Web Sphere, Sun Cluster 2.x and 3.x, Netscape/iPlanet Server, MQSeries

PROFESSIONAL EXPERIENCE

AWS DevOps Engineer

Confidential, Richardson, Texas

Responsibilities:

• Experience managing Ubuntu, Red Hat Linux and Windows Virtual servers on AWS EC2 using Open Source Puppet server.
• Experience in designing and deploying AWS Solutions using EC2, S3, EBS, Elastic Load balancer (ELB), auto scaling groups and OpsWorks.
• Experience optimizing volumes and EC2 instances and created multiple VPC instances.
• Experience working with IAM in order to create new accounts, roles and groups.
• Experience in designing and implementing continuous integration system using Jenkins by creating Python and Perl scripts.
• Experience involving configuring S3 versioning and lifecycle policies to and backup files and archive files in glacier.
• Experience creating, managing and deploying CloudStack using AWS OpsWorks.
• Worked with configuring Elastic load balancers with EC2 groups.
• Participated in configuring and monitoring distributed and multiple platform servers using Puppet. Used Puppet server and workstation to manage and configure nodes.
• Experience working on User admin groups, maintaining account and monitoring system performance using Nagios and Tivoli.
• Co-ordinate with developers with establishing and applying branching using SVN( Subverison) and Git Source control.
• Experience working with TCP/IP networking.
• Experience in configuring and maintaining LAMP stack on production and staging servers.
• Experience in writing python scripts on server side for web support for LAMP.
• Experience in creating alarms and notifications for EC2 instances using CloudWatch.
• Experience working with MySQL Server in creating, deploying and managing reports in a production environment.
• Experience configuring and managing F5 Load balancers.

Linux System Engineer

Confidential, WA

Responsibilities:

• Experience working with various Unix Servers which includes Red Hat, OpenSUSE and Solaris distribution and provided administration and support.
• Good Working knowledge of creating Virtual machines for Red hat Linux and Solaris on VMware ESX (Hypervisor) and also administering them with the Virtual Infrastructure client.
• Experience performing disk volume management using Logical volume management (LVM) and also creating of ZFS, UFS (Universal Flash Storage), ex3 file systems.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Experience installing different applications such as WebLogic, Oracle 10g, Sun Java Web system server, Apache and Tomcat.
• Experience performing regular update to the patching for Debian and CentOS based Linux distributions.
• Good working knowledge of providing Oracle Database security, capacity planning and its analysis.
• Experience providing performance tuning and troubleshooting of the different applications and also handled the issues out of the ticketing systems in Remedy.
• Experience working with the Remedy projects and resolved issues regarding tickets which assigned to either to the individual or in the team.
• Experience in performing application management on servers using Nagios and BMC tools in order to provide 24 * 7 support.
• Experience working with the backup and recovery of File systems with the help of Veritas Netbackup.
• Experience involves shell scripting (bash and ksh) to automate the system administration jobs.
• Experience decommissioning of the servers or service groups which includes removal of DNS Service and also take full back-up of file system removal.

Linux System Administrator

Confidential, St. Louis, MO

Responsibilities:

• Experience installing Oracle 10g on the Sun Servers which runs Solaris 10 plus previous versions and Red Hat Linux environment.
• Experience upgrading and configuring Linux packages on various Linux OS distributions.
• Experience working with Storage environment which includes working with SAN teams and the environment includes brocade switches, EMC Symmetrix DMX 4 which delivers scalable capacity and performance and SUN Storedge 9980 family arrays.
• Experience involved in building Linux over Kickstart installation method to automatically perform unattended OS installation and configuration.
• Experience in creating resource pools to hierarchically partition available CPU and memory resources of a standalone host ESX/ESXi.
• Experience working with logical domains (LDOMs) on Sun T2000 Servers.
• Experience working with the Veritas volume manager. Implemented RAID and created disk groups, logical volumes using VxVM on Solaris OS.
• Experience involved with using Logical volume manager (LVM) on IBM AIX power systems.
• Experience working with Sun Volume manager in order to mirroring the root disks.
• Experience working with LAMP to configure Mantis Bug Tracking tool and Wordpress Blog Software.
• Worked on User, Group management and also with the security policy management for all the servers which mainly includes Windows and Unix OS.
• Experience working with modifying and creating scripts for daily system administration.
• Analyze the performance of CPU resources, memory, disk spacing from the commands such as prstat, vmstat, sar and iostat.

System Administrator

Confidential

Responsibilities:

• Experience working with Solaris 10 and earlier versions including advanced troubleshooting.
• Experience in creating zone which is a virtual OS environment within single instance of the Solaris OS for efficient resource utilization.
• Experience working with other Linux distributions such as Red Hat and OpenSUSE for troubleshooting purpose.
• Experience with the Linux Shell Scripting (bash, ksh) to automate system administration tasks.
• Working knowledge of IBM AIX Unix OS to run applications on IBM Power systems.
• Experience in designing System requirements and Storage requirements.
• Good Knowledge of TCP/IP networking and Firewall Concepts.
• Experience installing Veritas volume manager and configuring disk groups, volume groups and made logical volumes to manage the storage resources.
• Experience in creating, resizing and managing Journaled File System (JFS) upon receiving request from users with Veritas volume manager and Logical Volume management.
• Experience in working with the patch and package administration to keep all the servers up-to-date.
• Experience installing and configuring SSH (Secure Shell) encryption in order to access securely on IBM AIX OS and Red hat Linux.
• Experience working with HP-Omniback Data protector to get back up of more than 20 Servers.
• Experience with the Web and Application Servers such as WebLogic, Tomcat and Apache.
• Experience in monitoring system activities such as CPU, memory, disk spacing and swapping to prevent any performance issues.
• Experience in troubleshooting server related issues on a daily basis in terms of hardware, OS, network and applications.

Junior System Administrator

Confidential

Responsibilities:

• Experience installing and administrating various Red hat Linux Distributions with the use of Kickstart in order to monitor, scale, maintain and plan the capacity of Servers.
• Experience in managing and maintaining Active Directory on Windows Server Platform.
• Experience in managing Cygwin to use Linux commands on windows platform.
• Good Knowledge of configuring and administering network switches, routers, wireless access control devices.
• Experience installing, troubleshooting and maintaining server hardware and software.
• Working knowledge of setting up the DNS, DHCP and LDAP Services.
• Experience with backup and recovery of systems including logging, reviewing and testing.
• Experience working with IT Security team to handle responsibility of Firewall administration.
• Experience providing E-mail and network security to the computer systems.
• Oversee application of OS patches and upgrades on a regular basis, and upgrade administrative tools and utilities.
• Experience in managing virtual servers and infrastructure.
• On to the various Operating System platforms, create and troubleshoot Network file systems (NFS).
• Experience in troubleshooting the network with the help of netstat, ping, nslookup and traceroute tools.