SUMMARY

• Over 7 years of IT experience as System Administrator incorporating implementation, administration and Application - product support with expertise in automation of Centos, RHEL, Ubuntu and Windows Server and with Three years of experience on AWS through Continuous Integration (CI) & Continuous Deployment/Delivery (CD) and Automation of Infrastructure as Code under Devops Culture in an Agile Environment.
• Experience on migrating applications using Amazon Web Services, Microsoft Azure.
• Designed, implemented and deployed Cloud Based Applications by using the Amazon EC2, VPC, CloudWatch, S3, CloudFront, SES, SNS, RDS, EBS, Cloud Formation, Cloud Search, Route53, IAM.
• Responsible in designing and deploying automated processes in a LAMP environment
• Administered and Implemented CI toolsHudson/Jenkins,Bamboo, Build forge, Visual Studio,Team Foundation Server (TFS)and Anthill Pro,Fortifyfor automated builds
• Experienced in installation, configuration, usage and management on AWS (Amazon Web Services), Jenkins and GIT for application servers.
• Deployed Docker Engines in Virtualized Platforms for containerization of multiple apps.
• Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub and AWS AMI’s
• Experience with Virtualization technologies like installing, configuring, VMware vSphere. Creation, management, administration and maintenance of virtual servers and clients.
• Experience in Implementing Server Virtualization using VMware for Redhat Linux
• Experience in using VMware vMotion to move VM's from One Datacenter to another Datacenter.
• Experience in working with configuration Management tool - Ansible, has setup Ansible projects and configured the playbooks for the microservices.
• Experience in using Setup & configure virtual networks in a vSphere environment using ESXi and Veeam Backup and Replication.
• Migrate production hosts from Suse to CentOS, including tuning of kernel, filesystems, VMware (ESXi) allocations, SAN/disk layouts, and authoring several custom tools to facilitate troubleshooting and monitoring of SMS/SIP/XMPP applications
• Installed and configured an automated tool Chef, Puppet that included the installation and configuration of the master, agent nodes and an admin control workstation.
• Experience working with Puppet Enterprise and Puppet Open Source and did Integration of Puppet with Apache and Passenger.
• Experienced in Setup the Chef Infrastructure for the environment for software configurations management.
• Managed On-site OS/Applications/Services/Packages using Chef as well as AWS for EC2/S3/Route53 & ELB with Chef Cookbooks.
• Extensive experience in building and deployment of the application by using build tools like ANT, Maven.
• Used Jenkins as a build tool to create build packages. Created build and deployment jobs in Jenkins for various components.
• Experience in using version controller tools like Tortoise SVN, Subversion, GIT.
• Managed all the bugs and changes into a production environment using the JIRA tracking tool and configured various workflows, customizations and plugins for the JIRA bug/issue tracker.
• Expertise in using Nagios and Splunk for Monitoring/Network Monitoring/Log Trace Monitoring.
• Expertise in Scripting with either Bash, Shell, Perl, Ruby, Python programming for Automation of Activities and builds, deployment of Java applications on bare servers or Middleware tools.
• Installation, Configuration and Management of RDBMS and NoSql tools such as SQL Server 2008/2012/2014, MySQL, DB2, PostgreSQL, MongoDB and Cassandra.
• Installation and configuration of Veritas Storage Foundation Suite::Veritas Volume Manager, Veritas File System, Veritas Cluster Server and Oracle and experienced in RAID configurations.
• Conducted performance testing of Apache and Tomcat management services.
• Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for WebSphere Application Server and also expertise in setting up security for single sign on and SSL
• Experience with key networking technologies and protocols, including TCP/IP, VLANs, WCCP, BGP, OSPF, QoS, and policy-based routing
• Hands on experience in Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client’s requirement.
• Configured Various Network services such asLDAP, NFS, NIS, DNS and SendmailinRedHat Linux.
• Configured VPN Tunneling, LDAP authentication for SVN for secure site and Patches update using binary source.
• Good working experience with RedHat Satellite Server for upgrading and patching Linux Servers.
• Installed, upgraded and configured RedHat Linux 5.x and 6.x using kickstart installation and SUSE Linux Servers manually.
• Experienced with Package management using RPM, YUM and UP2DATE in Redhat Linux.
• Working knowledge of Microsoft SCCM/SMS, Install Shield Admin Studio, IIS, DNS/TCP/WINS, Windows Registry, and Active Directory.
• Setup and Performance tuning with the command tools like sar, top, vmstat, netstat, tcpdump, iostat
• Day to day administration of the Development environment and Production and Test environment systems. 24x7 on-call support
• Day to day job included but not limited to handling Tickets, Monitoring, Troubleshooting and maintenance
• Strong desire to learn new technologies with positive attitude.

TECHNICAL SKILLS

Operating Systems: RHEL/Centos 5.x/6.x/7, Ubuntu/Debian/Fedora, Sun Solaris 7/8/9/10, Windows Server 2003/2008/2012

Build/Automation Tools: Puppet, Chef, Ant, Maven, Jenkins, Hudson & Bamboo, TFS

Languages: Shell, Bash, Perl, Ruby and Python scripting

Databases: MySql, MongoDB, Cassandra,Kafka,PostgreSQL, SQL Server

Web/App Server: Apache, IIS, HIS, Tomcat, WebSphere Application Server, JBoss

Bug Tracking Tools: JIRA, Fisheye, Crucible, Rally, Remedy and IBM Clear Quest, Bugzilla, HP Quality Center.

Version Control Tools: Subversion, GIT, Tortoise SVN, Visual SVN

Web Technologies/Programming Languages: Servlets, JDBC, JSP, XML, HTML, .Net, Java Script, coreJava/J2EE, Groovy, C, C++, Ruby, Perl scripting, Python, Shell scripting.

PROFESSIONAL EXPERIENCE

Confidential, NY

Windows Admin/ VM ware admin/ DevOps Engineer

Responsibilities:

• Rapid-provisioning and configuration management for Ubuntu using Cloud Formation and Chef on Amazon Web Services
• Launching and configuring ofAmazon EC2 Cloud Serversusing AMI s Linux/Ubuntu
• Manage operations for Email Security Service (cloud-based spam filter, millions of messages/day)
• Worked on Installation/Configuration/Administrated VMware ESXi 5.1/5.5 & 6.0 and migrated existing servers into VMware Infrastructure
• Prepare specs for new infrastructure and VMware servers, disk storage, and network switches, routers, firewalls, and VPN's.
• Leverage vRealize Orchestrator workflows and plug-ins to extend the capabilities of VMware vCloud Suite and the vSphere platform.
• Involved in VRO Workflows to automatically resolve operational issues.
• Created Virtual Machines using VMware tools to maintain multiple VM’s on single physical machine.
• Implemented VMware ESX server to provide multiple virtual hardware platforms while keeping hardware costs and energy consumption down.
• Implemented a centralized logging system using logstash configured as an ELK stack (Elasticsearch, Logstash, and Kibana). This allowed us to gather and visualize an average of 500,000 logs per ten minutes from our production systems.
• Translating client requirements into cloud solutions, help them migrate the existing applications towards Azure and able to give guidance on best practices.
• Worked on creating Docker Images for application environments.
• Involved in running Multiple Tomcat Instances as Containerized App Servers using Docker.
• Led adoption of Docker and modern Chef best practices allowing Operations to function more like a PAAS, with less configuration management overhead.
• Configured syslog messages, parses them and streams the data to Apache Kafka.
• Involved in creating software which monitors consumer lag within Apache Kafka clusters.
• Developed Chef cookbooks/recipes to automate infrastructure deployment
• Configuredyumrepository server usingChefonRHEL 5,6in VMware environment
• Lead the rewrite of a massive Chef code base to make cookbooks composable and testable, and to facilitate the migration from Ubuntu to CentOS
• Implemented Chef best-practices to facilitate a more natural cookbook development work flow
• Create a set of Salt states to automate the setup process for new developers, turning a multi-day setup into a 30 minute process that is repeatable
• Worked with Ansible to develop scripts to automate deployment of physical and virtual R&D environments
• Wrote Python Scripts to Monitor Variety of Services & Perl Scripts with Hash/Arrays to Insert/Delete/Modify content in multiple servers
• Developed scripts in Ruby to package log files and send them to a remote server
• Developed complex Ruby on Rails Web application to extract data from emails, automatically and manually and display the data in HTML and XML for end users.
• Worked with sites hosted on AWS using technologies such as Apache, Nignx.
• Designed and coded portions of the REST Web services applicationwritten inGroovy/Grails
• Involved in the code migration from TFS, CVS and Star team to Subversion repository.
• Used Fortify Tool on the command line to run the source analyzer on the project source files & Fortify Manager on the file to explore the results of the analysis.
• Helped move a third part application from Windows platform to RedHat Linux.
• Install RedHat OpenStack with packstack utility and create instances with the horizon web front end.
• Creating the file systems using RedHat volume manager and performing the health check on regular basis for all Linux servers.
• Creating customized Kickstart profiles for each server and making ISO to build the server
• Designing and implementing CI (Continuous Integration) system: configuring Jenkins servers, Jenkins nodes, and Hudson. Responsible for User Management and Plug-in Management for Jenkins
• Used Maven and Ant scripts as build frameworks/scripts.
• Planned and performed the upgrades on Linux and AIX operating systems and hardware maintenance on HP and POWER servers like increasing memory, disk, replacing failed hardware.
• Performance Tuning and Management for Linux/AIX server and working with the application/database team to resolve issues.
• Take the overall responsibility for the JIRA configuration and be the go-to person for any JIRA issues, enhancements or best practice question
• Created analytical matrices reports, dash boards for release services based on JIRA tickets

Confidential, LITTLE ROCK, ARKANSAS

Linux Admin / Cloud Admin / DevOps Engineer

Responsibilities:

• Proficient in using all Amazon Web Services including EC2, EBS, IAM, S3, ELB.
• Maintaining Multi zone databackuponAmazon EC2 S3Locally maintaining data archives using daily/weekly/monthly log rotate scheme
• Managing application in the cloud and creating instances
• Actively engage in building robust ETL solution using Informatica Cloud to harness the best practices in a typical SQL Server environment.
• Involved in developing custom images on Cloud usingAWS imagesand on ESX using Templates and involved in building physical servers usingKickstartPXE Boot and Jumpstart
• Used Perl and the VMware API to facilitate common virtual machine operations within VMware Virtual Center.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using puppet.
• Worked on Physical to Cloud Migration in AWS. Used Puppet for Monitoring system and automation.
• Managed Nginx patches, data backup, security changes and network configuration
• Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Ansible, Puppet, or custom-built .designing cloud-hosted solutions, specific AWS product suite experience.
• Managing RedHat and Windows systems with Puppet in a secure, controlled environment.
• Performed Hiera lookup in puppet module using YAML.
• Tasked with creating custom plugins to monitor the health of puppet clients as well the puppet master server
• Managed puppet control repositories for branching, merging, and tagging, resolved merging issues
• Wrote custom puppet modules for managing the full application stack (Tomcat/httpd/MySQL/Java)
• Involved in java coding for deploying applications on Tomcat Server.
• Developed automation scripting inPython (core)usingPuppetto deploy and manage Java applications across Linux servers.
• Developed and improved upon Puppet recipes and rules for efficient and reliable deployment and maintenance
• Installed and configured monitoring tools Nagios for monitoring the network bandwidth and the hard drives status.
• Experience in monitoring of servers using monitoring toolsNagios and ImprovedNagioshealth check scripts
• Involved in migration of data from one server to another server over the network using Bash and Perl scripting.
• Automated script creation using Jenkins & PowerShell for record management.
• Wrote Powershell scripts for automating tasks and process for end to end automation
• Automated application deployment from TFS using build templates that trigger Powershell scripts.
• Maintained Continuous integration effort with Subversion, TFS along with scheduled builds
• Developed Powershell modules in C# and Powershell featuring commandlets to interface with Secret Server and SQL.
• Built a multi-datacenter,geographically redundant, python Web-service to support millions of write-heavy requests per day,backed by a similarly redundant Cassandra cluster
• Involved with the Customer care and Deployment teams in trouble shooting and fixing day-to-day problems of the applications in production on 24/7 schedule.
• Installed and configured DCHP server to give IP leases to production servers.
• Hands on experience in Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client’s requirement on Redhat Linux/Debian Servers.
• Installation, configuration and maintenance of Debian/Redhat, Centos and Suse Servers at multiple Data Centers.
• Building Redhat/SUSE Linux servers by using VMware ESXi 4 x/5 x and also involved in channels and pushing the packages in Redhat Satellite Server
• Responsible for image installation/configuration procedure,KickstartforRed Hat Linuxonx86architecture.
• Managing RedHat and Windows systems with Puppet in a secure, controlled environment.
• Performance monitoring using Sar, Iostat, top, VMstat and MPstaton servers and also logged to munin monitoring tool for graphical view.
• Involved in installing packages with yum and rpm
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Involved in back up, firewall rules, LVM configuration, monitoring servers and on call support
• Used Jenkins as a build tool to create build packages
• Experienced in installation, configuration, usage and management on AWS (Amazon Web Services), Jenkins and GIT for application servers
• Provided Support for over 2000 Unix servers and workstations running Solaris, HP-UX, AIX and Linux.

Confidential, Midland Park, NJ

Systems Engineer

Responsibilities:

• Involved in Deploying the Redhat Linux enterprise server 5.x, 6.x versions
• Setup and refine kickstarts for new Redhat releases.
• Setup Kickstart server for quicker installation and ease of adding additional servers.
• Rapid-provisioning and configuration management for CentOS using Kickstart and Puppet
• Worked with enterprise Identity Management team to drive & certify federation requirements utilizing ADFS & SAML.
• Created Microsoft Windows Installer packages using Wise Package Studio and Admin Studio. Advertised and managed packages and collections in SCCM environment.
• Installation/Configuration of ESXi 3.5, 4.x servers and applying security patches to the ESXi servers
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 5.5 and migrating servers between ESX hosts.
• Involved in Provision VMware Datastore’s and configure storage for Virtual Machines
• Worked on monitoring tools to configure Nagios, splunk.
• Worked on configuring Alerting mechanisms with Nagios, error logging, performance monitoring
• Designing and Setting-Up the Splunk Architecture in the organization
• Development of SPLUNK Queries to generate the Report
• Creating DLP(Data Leakage Prevention) Reports through SPLUNK
• Configured network settings, resolved TCP/IP issues on RHEL 5 & 6 servers and administered NFS on Sun Solaris and RHEL 6.5
• Worked on FTP servers for sending and receiving files between local and remote servers.
• Involved with the SSL certificate missing issues and installed certificates from backups.
• Installed, integrated and tuned LDAP, Apache Tomcat, JBOSS, WebSphere and Weblogic application server.
• Involved in Kernel re-configuration & parameter tuning.
• Worked on improving the scalability and performance of the Linux NFS kernel server.
• Handled NFS client side bugfixes and backports.
• Helped write a NFSv4 server from scratch, including the underlying workqueue infrastructure, RPC layer and NFSv4 state tracking.
• Performed user account administration, created groups and add users to the appropriate group.
• Created Storage Group, Zones, Volume groups, and different RAID's using EMC Utility and responsible for backup and recovery using NetApps snapshot.
• Worked with various types of file systems, and volume management solutions: ZFS, LVM, VxVM, and SVM.
• Used Veritas File system and Veritas Volume Manager 5.0 to configure the RAID 1 and RAID 5 Storage Systems.
• Setting up NIS/NFS on RedHat servers setting up JBOSS cluster and oracle 10g cluster configuring load balancing on apache Redhat Linux 4 x/5 x/6 x
• Working with backup team for the Legato backup & Restore, Legato client Installation in the Redhat Linux server
• InitiatingBackupson daily basis and monitoring the scheduled backups

Confidential

Linux Systems Administrator

Responsibilities:

• Install, Update and upgrade the packages using with RPM,YUM and apt-get tools
• Configuration of local YUM repository for Enterprise Software Application Management.
• Performed RHEV-M 3.0 setup on RHEL6, RHEV-H installation and add to the RHEV-M.
• Adding new datacenter and cluster in RHEV-M console and ISCSI/NFS storage domain, ISO domain (NFS), export domain.
• Installed, configured and maintained multiple Red Hat Satellite Servers, and custom repositories.
• Wrote, debugged and deployed custom RPM packages, code and scripts.
• Experienced in Security hardening Firewall/SElinux major Production Servers and compiling, building and installing Web server based Linux Tools.
• Enabling SSL Security in Web Environments for IBM HTTP Server & WebSphere application Server.
• Involved in Creating and deploying LVM, resizing the logical volume and volume group, SAN migrations at host level using LVM mirroring
• Configuration and Installation of LDAP, NFS, FTP, SAMBA and POSTFIX Servers in Red Hat Enterprise Linux.
• Implemented an inexpensive load balancing and high availability solution using LVS, and spanned network VLANs through the data centers. This system load balanced main website, LDAP infrastructure, RHN Satellites, Webmail, Linux installs, and many other services.
• Performed data migration across multiple UNIX/LinuxRHEL/Solaris/HPUX servers, and Windows Servers.
• Experience in DNS, DHCP and IP addressing, administering Active Directory and group policies.
• Created change tickets for the changes made on ESX servers and guest OS
• Used VMotion to Hot and Cold migrated VM's from one ESX server to different ESX server.
• Implemented V2V and P2V conversion usingVMwareConverter.
• Build, configure and deploy VMs and templates. Completed Physical-to-Virtual (P2V), Virtual-to-Virtual (V2V) and Virtual-to-Physical (V2P) migration of Linux servers from VMware, Xen and legacy hardware.