Description
PROFESSIONAL SUMMARY: Over 8.6 Years of experience in IT industry comprising of LINUX/UNIX - System & Network Administration, Engineering, and VMWare along with the Scripting languages such as bash, Korn, python, C/C++, and Perl. * Redhat Certified System Administrator (RHEL 7) - 100% Score. * Extensive experience in Installing, upgrading and configuring Ubuntu, CentOS, Redhat Linux-5.x, 6.x, 7.x, Solaris, SUSE, HP-UX, IBM-AIX. * Strong knowledge on hardware servers, such as SunFire 25K, M5000, M8000, 6900, 6800, 4900, 4800, HP Blade System c7000, DL 380, 580, Dell PowerEdge M600, R900, 2900, 2950, and IBM P550, P570 and P590. * Experience in performing multiple major Operating System & kernel upgrades for High-Performance Computing cluster and In charge of coordination for all major system outages, planned & unplanned. * Experience in coordination with Facilities & other Administrators to move all systems to replace the Data Center floor. * Experience in installation and configuration of various services - DNS, DHCP, NFS, and Send mail, Apache Web Server, Samba, LDAP, SSH, HTTP, RPM package management and administering Active Directory and group policies. * Install, upgrade and manages packages via RPM and YUM package management. Extensive experience on Kickstart installation in Linux, Jumpstart installation in Solaris. * Extensive exposure towards creating and managing user accounts, system security, performance tuning, scheduling the jobs, change management, Documents and procedures on Linux. * Experience working in RAID Configuration, Veritas Cluster Server, Veritas Volume manager, Logical Volume Manager and Veritas Net Backup. Worked effectively in Configuring and Managing monitoring tools like Nagios, Cloudwatch. * Experience in installing, troubleshooting and performance tuning of various Application Servers, such as WebSphere, Web Logic, Tomcat, Apache, JBoss, and Oracle. * Experience in Installing and configuring the Red Hat Satellite Server and experience in automation using Shell Scripting. * Experience Configuring and maintaining virtual server environment using VMware ESX/ESXi, vCenter, vSphere. Experience in Virtualization using VMWare ESX 3.x/4.x/5.x and build Linux and Windows VMs. * Experience in configuring Kickstart servers to automate installation. Expertise in Linux Utilities: KICKSTART, SSH, FTP, AUTOFS, Quota Management, wrappers, User Management, Process Management, Memory Management, and Text processing tools, Log Management, Package Management, Disk Management and Swap Partition/Files Management. * Experience in Installation, configuration of Samba, Web Sphere & Web Logic Application Servers using Chef. Deployed a centralized log management system and integrated into Chef to be used by developers * Experience on compiling, installing and configuring software in Linux and UNIX including Apache web servers, MySQL database servers and Tomcat. * Experience in programming of C/C++ including thread synchronization multithreading, multi-processing, concurrency control, and TCP/IP Socket Programming. * Strong Knowledge on Implementing the Continuous Delivery pipeline with Docker, Jenkins and GitHub and AWS AMI's. * Experience in writing Python, Shell Script and Perl programs to perform test case automation. * Well-exposure on Implementing and designing new projects based on messaging (SMS), these projects were developed in Java (J2EE), .net and Python for scripting. * Coordinated with SAN Team for storage allocation and Disk Dynamic Multipathing. Worked on Various SAN Products, such as Net App, EMC Symmetric, Hitachi data systems. * Strong ability to write, debug Shell Scripts and troubleshoot any issues generated while building, deploying and in production support. * Extensive experience in using of Splunk 5.x and 6.x product, Distributed Splunk architecture and components including search heads, indexers and forwarders. * Created PowerShell scripts to perform alerting, reporting, monitoring and routine maintenance for domain resources. * Worked on SplunkDB Connect configuration for Oracle and MySQL. * Experience in creating Reports and Dashboards in Splunk 6. Equipped with good knowledge on Parsing, Indexing, and Searching concepts of Splunk. * Involved in configuring and integrating the servers for different environments to automatically provision and configuration management of Linux instances using CM/ Provisioning tool puppet and Chef. * Designed end to end automation of infrastructure and continuous delivery of the applications by integrating Puppet modules, and Chef-Cookbooks& Recipes. * Strong knowledge on Multiple AWS instances, setting up the security groups, Elastic Load Balancer, and AMIs, Auto scaling to design cost effective, fault tolerant and highly available systems. Responsible for setting up Amazon EC2 instances, virtual private cloud (VPCs), and security groups. * Resolving escalated tickets, performance problems and creating Root Cause Analysis (RCA) document on Severity level issues. * Good Interpersonal Skills, team-working attitude, takes initiatives and very proactive in solving problems and providing best solutions.
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