SUMMARY:

• Over 7+ years of experience on DevOps, Red Hat Enterprise Linux, Oracle linux, Ubuntu Linux, Fedora Linux.
• Experience and Familiar with Virtualization technologies like installing, configuring, administering VMware ESX/ESXi and Citrix Xen Server/openstack. Created and managed VMs (virtual server) and also in the maintenance of the virtual server.
• Understanding of networking concepts, (IE. Configuration of networks, router configuration and wireless security, TCP/IP, VPN.
• Experience in Installing, configuring and maintaining Web Sphere& Web Logic Application Servers, Nagios.
• Experience with Dockers and Vagrant for different infrastructure setup and testing of code.
• Actively involved in configuring puppet open source with several third parties applications.
• Supported AWS Cloud environment with 200+ AWS instances and configured Elastic IP & Elastic Storage and also experience working on implemented security groups.
• Experienced in Amazon EC2 setting up instances, virtual private cloud (VPCs), and security groups.
• Handling day - to-day User Administration tasks like adding, deleting and modifying user data and documenting all user data in a centralized location.
• Experience working in customizing the Kickstart and Jumpstart scripts to automate the installation of various servers used for various internal projects.
• Working Knowledge on using and developing Shell, Perl and python scripts used to automate day-to-day administrative tasks.
• Responsible for OS maintenance activities like upgrading the OS, updating the services and third party software’s.
• Automated Deployment of security standards to largely distributed servers of varying OS via puppet.
• Installation and configuration of Web Application servers like Apache, Tomcat and Web logic.

TECHNICAL SKILLS:

Operating Systems: Linux (RedHat, CENTOS & SUSE), Solaris 10/9/8, HP-UX 11.0, 11.11, IBM AIX (4.3/5.x), HPUX11i V1, V2 & V3, VMware ESX, SLES 8,9,10 & 11, MAC OS X 8/9.x/10.x.

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

WEB Technologies: Tomcat, APACHE 2.x, 3.x, Jboss, Web Logic (8/9/10) & Web Sphere 4.0/5.0

Programming, Scripting Language & Databases: RDBMS, MySQL, Oracle, Sybase, MSSQL, C, UNIX Bash & Shell Scripting, Perl Scripting, Python, Ruby, HTML, VB

Backup Management: Veritas Netbackup 4.x/5.x/6.x, Ufsdump, Ufsrestore, TAR, cpio, dd, Tivoli, Symantec Netbackup 7.x

Third Party Software: VERITAS Volume Manager, VERITAS Cluster Service (VCS), HP Service Guard, Sun Cluster, EMC Storage, RAID Technologies, SSL, Splunk, Puppet, Jenkins, GIT

Protocols: TCP/IP, UDP RIP, OSPF, EIGRP, IGRP, SNMP, SMTP, TELNET

PROFESSIONAL EXPERIENCE:

Confidential, Charlotte, NC

DevOps Engineer

Responsibilities:

• Installation and configuration of Red Hat Linux, oracle Linux, on new server builds as well as during the upgrade.
• Administer and Maintain Source Code Repositories including GIT, Subversion and TFS.
• Support concurrent development process with standard Branching and Merge of application source code.
• Experience with VMware vSphere ESXi 5.5
• Used Puppet Enterprise edition for configuration management.
• Wrote shell scripting to automate task all across servers through Puppet.
• Actively involved in configuring puppet open source with several third parties applications.
• Designed and implemented fully automated server build, management, monitoring and deployment solutions spanning multiple platforms, tools and technologies including Jenkins Nodes/Agent, Chef, Puppet, Android, VMware, Amazon EC2
• Built and managed a large deployment of Ubuntu Linux instances systems with Chef Automation. Wrote recipes, tools, shell scripts, and monitoring checks.
• Participated in the migration planning, developing, testing and moving the migration process onto full-fledged production network
• Help customers build scalable, resilient, and high-performance applications and services on AWS
• Migrated the bulk of the company’s production systems to AWS
• Experience in installing, integrating, tuning and troubleshooting Apache and Tomcat application server.
• Manage system installation, troubleshooting, maintenance, and performance tuning, managing storage resources, network configuration to fit application and database requirements.

Environment: OEL 5.x/6.x, RHEL 5.x/6.x, Cent OS 5.x/6.x, Windows Servers 2k8r2/2012, ESXI 5.1/5.5, VMware VCenter & Vsphere, Jenkins. Puppet, GIT, LVM, Samba Winbind 3.x, Centrify, NFS, NIS, JDK 5.x/6.x/7.x, DIG, netstat, lookup, tcpdump, Bash, Shell, Tomcat and Apache,

Confidential, San Diego, CA

DevOps Engineer

Responsibilities:

• Experience in vSphere 4.1, 5.0, 5.1 /ESXi 4.1, 5.0, 5.1deployment and management.
• Advance Scripting skills in Perl and Bash Shell.
• Installation and configuration of Web /Application Server Tomcat and Apache
• Extensive usage of cloud server instances and storage from Amazon web services (AWS) to enable client web applications.
• Worked on installation and configuration of DevOps tool Puppet.
• Used puppet to automate the applications across the environment.
• Wrote various puppet manifests for deployment, automation.
• Worked with Dockers and Vagrant for different infrastructure setup and testing of code.
• Worked on Launching Amazon EC2 Cloud Instances using Amazon Images (Linux/ Ubuntu) and Configuring launched instances with respect to specific applications.
• Supported 200+ AWS cloud instances running Ubuntu, Redhat and Windows environments.
• Worked on the configuration of server monitoring tool like Nagios.
• Wrote CHEF recipes for automated uDeploy agent installs/updates, uDeploy agent relays install/update and configuring the same with the uDeploy server.
• Responsible in building and startup shell scripts, managing the automation of CRON jobs
• Responsible production support of LDAP, Domain users, Users and groups and given appropriate permissions, shares and privilege to access LAN and Domain environment.
• Manage Virtual Machine Clones and Templates, plan and implement VMware Fault Tolerance
• Participated in the migration planning, developing, testing and moving the migration process onto full-fledged production network.

Enivornment: RHEL 4/5, kickstart, usfdump, NFS< VERITAS Volume Manager, Web Sphere, Web Logic, Jboss, Tomcat, DNS, netstat, nslookup, DIG, SMTP, MYSQL, RDBMS, samba Winbind, LAMP, Kron, Bash.

Confidential, Lansing, MI

Devops System Engineer

Responsibilities:

• Created and modified Veritas Cluster Service Groups and managed switchover from node to node and just as importantly, from interstate primary and DR sites
• Troubleshooting day-to-day server related issues and problems in terms of operating system, applications and network
• Management of enterprise puppet environments. Maintaining test and production catalogues and writing reusable modules for use in configuration management.
• Worked with Chef recipes/cookbooks which involved installing, updating, Oracle 11g, ucDeploy agents, 7zip, updating CentOS, controlling load balancers, updating LDAP servers and many more etc.
• Installation of VMware ESX3.5.x4.0x infrastructure on Dell Power Edge Server and administration of VMs
• Design, integration and management of Amazon Web Services cloud solutions. Provisioning of EC2 instances, built via puppet, and integrated into local area offices in 5 time zones. Amazon RDS, VPC construction, Security Group policies, IAM, Route 53, CloudFormation, S3, Glacier, OpsWorks.
• Experience in installing, integrating, tuning and troubleshooting Apache and Tomcat application server.
• dasfa Managing IT department's LAMP stack and configuration management.
• Install and configure SSH to enable secure access to the servers.
• Modified the Linux kernel to add tracing probes for Configuration access tool.
• Environment, Command line, Current working directory, root directory, executed command.
• Experience in Shell scripting bash to automate system administration jobs

Enivornment: RHEL 4/5, Solaris  8/9, IBM AIX 4/5, AIX 4.x, SUN  E10K, M4000/M500, E4500/5000, E35000, Hitachi 9980v, ESX 4.x, kickstart, usfdump, NFS< VERITAS Volume Manager, Web Sphere, Web Logic, Jboss, Tomcat, DNS, netstat, nslookup, DIG, SMTP, MYSQL, RDBMS, samba Winbind, LAMP, Kron, Bash.

Confidential, Minneapolis, MN

Linux System Administrator

Responsibilities:

• Administered, maintained Red Hat 4.0, 5.0 AS, ES, CentOS 5.3/5.4 troubleshooting hardware, operating system, applications & network problems and performance issues.
• Installed, configured and maintained CentOS servers.
• Deployed latest patches for, Linux and Application servers, performed Red Hat Linux Kernel Tuning.
• Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on AIX and Linux servers.
• Migrated database applications from Windows 2000 Server to Linux server.
• Implementation of Samba to help printing and file sharing in the mixed Environment.
• Installing and setting up Oracle9i on Linux for the development team.
• Provided production support of Apache and JBoss including installation, configuration, and management and troubleshooting.
• Implemented virtualization using VMware in Linux on HP-DL585 and IBM-z/VM series.
• Linux kernel, memory upgrades and swaps area and performed Red hat Linux Kickstart installations
• Implemented day-to-day tasks in Red Hat Linux that include upgrading rpms, kernel, HBA driver, configuring SAN Disks, multipathing and LVM file system.
• Created users, manage user permissions, maintain User & File System quota on Red Hat Linux, CentOS and AIX.
• Worked on Webservers; JBoss, Tomcat 5.x/4.x/3.x & Apache Server 2.x/1.x.
• Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.
• Developed Korn and Bash shell-scripts to automate routine activities.
• Data Warehousing and System Backup using tar, cpio for local systems and Veritas Netbackup for enterprise wide backup and recovery.
• Manage systems using remote consoles like ILO for HP Hardware
• Setup network printers and installed client/server applications. Defined/setup network protocols, Network File Services (NFS), and Network Information Services (NIS) in Linux and AIX systems.
• Network trouble-shooting using 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc.
• Provided support by 24x7 shift rotation basis and pager support.

Environment: Red Hat Linux 4.0,5.0 AS ES, CentOS 5.1/5.2/5.3,AIX HP-DL585, HACMP, Netbackup, SAN Storage, 4.5.5, Oracle 9i, Samba, NT/2000 Server, Websphere, Web Logic 8.1, VMware ESX 2.x,Tomcat, Apache Server 1.x,2.x,Jboss 5.0