SUMMARY

• Over 7+ years of IT Infrastructure experience as System Administratorand Production Support of various applications onRed Hat Enterprise Linux, Centos, SunSolaris,andWindows environments.
• Experienced in Installs, Upgrades, Patches, Configuration, performance tuningonUNIXand systemsoftware & hardware.
• Experience in Installing, configuring and maintaining, DNS, DHCP, Samba.
• Supported AWS Cloud environment with 160+ AWS instances and configured Elastic IP & Elastic Storage and also experience working on implemented security groups.
• Knowledge of Big data and Hadoop ecosystem and its components like HDFS, Hive, Pig, Scoop and Hbase.
• Implemented and architected Open Source web content and URL filtering mechanism.
• Efficiency in installing, configuring and implementing the LVM, andRAIDTechnologies using various tools.
• Experience Installation, configuration and managing of Puppet master server and also experience in updating and creating modules and deploying puppet clients.
• Experience in installation, configuration and administration of Apache/Tomcat/lightpd.
• Experience in Amazon EC2 setting up instances, virtual private cloud (VPCs), and security groups
• Configuring and AdministeringDNS, NIS, LAMP and LDAPRed hat/CentOSserver environment.
• Experience in Install and configuration of Web hosting administrationHTTP, FTP, SSH, & RSH
• Experience in Installing, upgrading and configuringSUNSolaris9 and 10 onSunSpark and Fire Hardware.
• Experience in SQL, MySQL, Oracle and MariaDB
• Experience in Installation and configuration of VMware workstation and VMware ESX / ESXi server and creation ofVMs and install different guest OS.
• Considerable experience in VCenter Administration.
• Creating, cloning Linux Virtual Machines, templates using VMware workstation and ESXi environments
• Experience in Creating, maintaininguser accounts, profiles,security, rights, disk spaceandprocess monitoring.
• Experience in Open stack implementation in POC environment.
• Resolving system errors and crashes, huge file sizes, file system full errors.
• Experience in Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Ability to write Shell & Perl scripting.
• Excellent analytical, problem solving, communication and interpersonal skills.
• Capable of quickly learning and delivering solutions as an individual and as part of a team.
• Experience in DevOps Support(Puppet/Chef/Jenkins/Git/Jira/HipChat).
• Installation, administration, maintenance and support of Jenkins.
• Experienced in implementing Splunk, Puppet, Docker, Chef, Git and Jenkins.
• Considerable knowledge and understanding on Docker, Kubernetes, MesOS, Open stack.
• Knowledge on message queuing services like MSMQ, RabbitMQ and Amazon SQS.
• Knowledge on web accelerations technologies like memcached, Varnish.
• Experience in ITIL process implementation, service Operations, Transition and Continual Service Improvement.
• Implementation experience of ISO 27001 and CMMi Level3 standards.
• Experience in Disaster Recovery and Business Continuity Planning in case of eventualities.

TECHNICAL SKILLS

Operating Systems: Linux (Red Hat, CENTOS) 2.1/3/4/5 and 6, Solaris 10/9/8, VMware ESX/ESXi, SLES 8,9,10 & 11, Windows NT 4.0/2000/2003/2008 , MAC OS X Lion.

Hardware: Dell PowerEdge 19XX, 29XX, R series, HP DL series, F5 Fire Pass VPN, F5 Load Balancers LTM 1600

Networking: TCP/IP, NIS, NFS, FTP, DNS, DHCP, Samba, Apache, SMTP, SSH, IP - Tables

WEB Technologies: Tomcat, APACHE 2.x, 3.x, PHP Zend

Programming, Scripting Language & Databases: MySQL, Oracle, Shell Scripting, Perl Scripting, Sed, AWK & VBScript

Backup Management: TAR, cpio, dd, CA Arc Backup

Other Technologies: Nagios, zabbix Icinga, ZendPHP, OpenLDAP, AD, CVS, Subversion, apache, apache, Tomcat, lightpd, mysql, bind, dhcp, tfp, kickstart, puppet, chef, docker, openstack, aws, jenkinsldap, opennas, sendmail, postfix, Hadoop, cloudera, Hadoop Ecosystem, Hbase, Cassandra, hive, pig, sqoop

Protocols: TCP/IP, UDP RIP, OSPF, BGP, SNMP, SMTP, TELNET, RPC

PROFESSIONAL EXPERIENCE

Confidential, Richmond, VA

Senior Build and Release/DevOps Engineer

Responsibilities:

• Installed and configured several hundred Red Hat/CentOS server on VMware ESXi 5.1 Virtual Environment.
• Configured Red Hat Cluster Nodes for any legacy applications and verified the daily health check on the Cluster Nodes.
• Installing and configuring Red Hat/CentOS 6.X using kick start servers in physical and virtual server environment
• Installing and updating packages using YUM (custom YUM servers/repositories) and Red Hat Satellite Server.
• Configured and Administered Apache, VSFTPD services, MYSQL and Tomcat.
• Participating in 24x7 production on-call support of Linux and provided technical support to users.
• Implementing a Continuous Delivery framework using Jenkins, Chef & Jira in Linux environment.
• Installation, Configuration, upgrade and administration support of Jenkins.
• Troubleshoot the build issue during the Jenkins build process.
• Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using satellite servers.
• Implementation of Chef in Dev/QA/Int and prod environments and integrated with Active Directory.
• Implemented rapid provisioning and life cycle management for Red hat LINUX using kick start.
• Implemented Puppet for IT automation tasks across server farm.
• Installation, configuration and deployment of LAMP servers.
• Installation, configuration and maintenance of Git hub.
• Expertise in security hardening (iptables/selinux) major Production Servers, and compiling, building and installing web server based Linux tools.
• Experience in performing, uploading and upgrading new firmware on the Interconnects and Chassis.
• Implemented AWS solutions using E2C, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups.
• Optimized volumes and EC2 instances.
• Used IAM to create new accounts, roles and groups.
• Created monitors, alarms and notifications for EC2 hosts using Cloud Watch and multiple AZ VPC instances.
• Familiarity with php-based server applications & Zend PHP IDE.
• Proficient in providing support on the deployed Red Hat Enterprise Linux & Sun Solaris servers from both operating system level and application Level.
• Expertise DevOps Support(Chef).
• Expertise in configuring Red Hat Cluster Nodes for any legacy applications and verified the daily health check on the Cluster Nodes utilizing clusters.
• Expertise in creating VM Templates, cloning and managing Snapshots.
• Expertise in working with MySQL databases, Apache Web server, Tomcat Application Servers.
• Troubleshooting any performance or configuration issues with MySQL and Oracle.
• Expertise in hardening, Linux Server and Compiling, Building and installing Apache Server from sources with minimum modules.
• Monitoring and troubleshoot backups and schedule Cron jobs.
• Experience in scripting using BASH & PERL, Samba Server, Apache Server.
• Patch management of servers and maintaining server's environment in Development/QA/Staging/Production.
• Installation and configuration and setup of docker container environment.
• Resolving assigned tickets in Development/QA/Staging/Production.

Environment: RHEL 4.x/5.x/6.x, Centos, Solaris, VERITAS Volume Manager 3.x/4.x, VERITAS Storage Foundation 5, VMWare ESXi 5.1, NFS, DNS, SAN/NAS.

Confidential, Santa Clara, CA

DevOps Engineer

Responsibilities:

• SupportedLinux/Solaris servers in production/stage/development environment.
• Lead a team of 12 System Administrators.
• Implemented Puppet for software deployments.
• Experience Develop new security template in VMWare for Red Hat Linux 6.5 to meet existing security standard
• Creating the automated build and deployment process for application, re-engineering setup for better user experience, and leading up to building a continuous integration system for all our products.
• REDHAT Enterprise Linux 3, 4 Installation on various servers using Kick start and configuration & support for various applications run on Linux environment.
• Report status through JIRA tickets and track work effectively
• Day to day duties for UNIX/Linux server Maintenance and Support to developer’s team for their issues with application, tuning, troubleshooting, software running on UNIX/Linux Servers.
• Installation, configuration of Jenkins for Continual integration.
• Disaster Recovery operation setup & checkup at contracting facility
• Implementation of Syslog-NG for log monitoring.
• Implemented Spacewalk for patch management.
• Installation, configuration and maintenance of apache / Cloudera Hadoop nodes.
• Automation scripts for weekly and monthly backups in Perl and shell
• Linux Server monitoring for maximum availability using Nagios monitoring tools and taking steps to keep servers up and running under 24x7 environment for maximum uptime.
• Implemented Open Stack Icehouse to provide private cloud environment.
• 24x7 support for the UNIX servers. Rotating on call pager responsibilities for Production environment.
• Importing and exporting data from HDFS. Build and Maintain the ETL Process for data movement to HDFS.
• Installed and configured Splunk for Nagios log monitoring.
• Perform development tasks using Pig, Hive and Sqoop.
• Importing and exporting the data from different RDBM systems.
• Optimize and performances tune the Hadoop environments to meet performance requirements.
• Experience in day to day production support of Hadoop infrastructure like HDFS maintenance, backups, manage and review Hadoop log files.
• Installation and Configuration of Hadoop ecosystem components.
• Monitor and add Hadoop nodes to Nagios monitoring system, enable alert mechanism.

Environment: RHEL3,4,5 &6 SunUltra Sparc 60, Sun Fire, VMware, Volume Manager (VxVm) 4.1, Veritas Cluster server (VCS), Vmware ESXi5.1.

Confidential

Build and Release Engineer

Responsibilities:

• Reviews and manages Unix Operations Team workloads and supports tickets to ensure correct prioritization and progress.
• Lead 3 teams - Monitoring team, System team, Network team, and onsite infrastructure teams (30+ resources)
• Manages incident escalations and coordinates resources appropriately
• Conducts weekly team meetings and attends other meetings as required for RCA.
• Planning, installation, configuration, monitoring, and deployment of Solaris/Linux environments
• Analyzing and resolving problems with server hardware/software setup, tuning, and troubleshooting all aspects of the Sun Solaris (Solaris 10) and Linux (CentOS /Red Hat)
• Evaluating and applying security patches on Solaris and Linux servers
• Developing scripts to support task automation and monitoring activities
• Installation, configuration and fine tuning LAMP servers on Centos 5
• Installation, configuration of syslog server.
• Supporting and troubleshooting network services and protocols such as TCP/IP, DNS, NFS, FTP, SSH, Kerberos, sendmail and LDAP
• Used Logical Volume Manager for the management of Volumes including creation of physical and logical volumes on Linux
• Creating and updating detailed How-To and Best Practices guides
• Maintain 2003/2008 AD environment and deploy images through SCCM.
• Pull software and hardware inventories through SCCM queries.
• Conducting ongoing security risk assessments, including the monitoring and reporting of security and access violations
• Maintains current knowledge with respect to relevant state-of-the-art technology and makes recommendations for training
• Build servers using Kick Start, Red Hat Satellite Server/Spacewalk.
• Establishes and implements policies, procedures, and standards and ensures conformance with information systems and objectives
• Responds within defined SLA metrics to issues logged in the HPSM ticketing system
• Installation, Configuration and deployment of Apache Hadoop environment for providing POC’s for customers.
• Installed and configured puppet for updating of configuration files in Hadoop environment

Environment: RHEL/CentOS 5/6, Windows 2003/2008 AD & SCCM, Solaris9, F5 Fire pass, Juniper IDP100, Veritas Cluster server (VCS), VMware ESXi5.1, CA Arc Backup, CA Unified Asset Portfolio manager

Confidential

Release Engineer

Responsibilities:

• Implementation of projects at all stages including initiation, planning, executing & monitoring and controlling.
• Identify the risks associated with the projects and define attributes for risks for multiple projects.
• Work closely and coordinate with Northgate UK Team & Northgate Hong Kong Data Center Team.
• Coordinate with internal teams and management at Northgate USA & UK on Weekly basis.
• Work with cross functional teams - Services, Production, Technology, Business & product development.
• Setup of Open source VOIP Gateway Setups Example: Asterisk, Openser, SER
• Manage documentation at various levels.
• Installed and managed LAMP servers on HP DL series hardware.
• Plan, coordinate and perform administration, schedules maintenance and upgrades on all Linux servers.
• Planning and implementation of WAN topologies to achieve rapid, reliable communications.
• Provisioning the high available database servers using MySQL replication for all of the high available websites.
• Attend Review Meetings with Team Leads, analyze and fix problems escalated by developers.
• Implementation of Microsoft Config Manager and Centralized Forefront Antivirus Server.
• Implemented Nagios monitoring system to monitor 80+ Linux based VoIP Soft switches.
• Implemented AWStats weblog analytics of web servers, which helped SEO teams.
• Experience working with multiple databases Oracle, MySQL, and Sql Server.
• Linux Support for integration of bharatstudent.com with facebook.com. Integration allows people to login to Bharatstudent with their Facebook account, includes social plugins that enables Facebook users to comment, 'Like' all articles, videos, photos.