PROFESSIONAL SUMMARY:

• Around 8 years of IT Infrastructure experience in System Administration and Production Support of various applications on AWS, Private Cloud, and Red Hat Enterprise Linux, Centos, SunSolaris,andWindows environments.
• Experienced in Installations, Upgrades, Patches, Configuration, performance tuningonUNIXand systemsoftware & hardware.
• Supported Private Cloud & Heterogeneous environments with 2000+ instances, 5000+ servers’ configurations and also experience working on implemented security groups.
• Supported AWS Cloud environment with 160+ AWS instances and configured Elastic IP & Elastic Storage and also experience working on implemented security groups.
• Managing, troubleshooting and resolving Incidents/Issues as per the Service Level Agreement (SLA, RCA) with frequent updates.
• Enterprise architectural leadership to develop proof of concept (POC) and relevant document, feasibility analysis and technical research by following Agile and Lean Methodologies.
• Experience in Package management using RPM, YUM, SATELLITE and UP2DATE in Red Hat Linux.
• Implemented and architected Open source tools, web content and URL filtering mechanism.
• Experience in Creating and maintaininguser accounts, profiles,security, rights, disk spaceandprocess monitoring.
• Efficiency in installing, configuring and implementing the LVM, andRAIDTechnologies using various tools likeVeritas volume manager,Solarisvolume manager.
• Writing CGI, Perl, Bash scripts, queries, Statements to customize reports and Tasks as per the requirement.
• Experience in installation, configuration and administration of Apache/Tomcat/I planet/Web logic/web sphere.
• Experience with Virtualization technologies like installing, configuring, VMware vSphere. Creation, management,Administration and maintenance of virtual servers and clients
• Sound knowledge on Hyper - V, ESX and ESXI Architecture, guest OS installation, setting up of VM priorities,Cloning and Snapshots.
• Strong understanding of VMware Networking concepts like creation of vSwitch, different types of port groups, NIC Teaming and VLAN. Worked with VMware Update Manger to update VM’s and hosts with the latest patch release
• Experience in building the VMware vCenter server and managing the ESX hosts.
• Experience in P2V and V2V conversion by using VMware Converter.
• Experience with VMware vRealize Orchestration (VRO), VMware vRealize Automation (VRA), PowerCLI
• Experience in installing, configuring and troubleshooting VMware View Composer, View Connection Manager
• Experience in areas of designing, implementing, configuring and supporting SAN (Storage Area Network), NAS (Network-attached storage)/Backup solutions in enterprise environment.
• Manage and maintain VMware virtual infrastructure, including hosts, clusters, LUNs, Update Manager, HA and DRS
• Experience in Installing, configuring and maintaining, KICKSTART, SFTP, DNS, DHCP, and Samba.
• Experience in Install and configuration of Web hosting administrationHTTP, FTP, SSH, & RSH
• Experience in Amazon EC2 setting up instances, virtual private cloud (VPCs), and security groups
• Creating, cloning Linux Virtual Machines, templates using VMware ESXi & Virtualization environments.
• Experience in Installation of VMware ESX server and creation ofVMs and install different guest OS.
• Experience in Installation and configuration of Zonesand ContainersinSolaris10 environment.
• Experience Installation, configuration and managing of Devops master server and also experience in updating and creating modules and pushing them to puppet clients.
• Experience in Implementation of Continuous Delivery framework using Jenkins, Ansible & GIT in Linux environment.
• Experience in DevOps Support(Puppet/Chef)/Monitoring
• Experienced in implementing Ansible, Splunk, Puppet, Docker, Chef, Git.
• Considerable knowledge and understanding on Kubernetes, MesOS, Openstack
• Supported AWS Cloud environment with 100+ AWS instances and configured Elastic IP & Elastic Storage and also experience working on implemented security groups.
• Expertise on Bugzilla,Jira, Atlassian applications, Fisheye & Stash
• Installation, administration, maintenance and support of Jenkins
• Knowledge on message queuing services like IBM MQ, Active MQ, MSMQ, RabbitMQ.
• Experience in MySQL, SQL, and Oracle databases.
• Resolving system errors and crashes, huge file sizes, file system full errors.
• 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.
• Excellent analytical, problem solving, communication and interpersonal skills.
• Capable of quickly learning and delivering solutions as an individual and as part of a team.
• Implementation of Weblogic, VERITAS and Red hat Clusters.
• Experience in handling all kinds of change requests (CR's), Critical Patch Update (CPU), Data Patching and Migrations in environments like SIT, UAT, PROD
• Monitoring and troubleshoot backups and schedule cron jobs, batch jobs.
• Installation and configuration of Splunk for log analysis of Nagios
• Experience in setting up instances in cloud, virtual private cloud (VPCs), and security groups Installation, administration, maintenance and support of Microsoft Active directory(AD)

TECHNICAL SKILLS:

Operating Systems: Linux (RedHat, CENTOS) 4 / 5 and 6, OEL 5/6 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, Confidential DL series, IBM X series Sun Fire 6800/4900/3800, Sun Fire 490/280, v880/v890Networking: TCP/IP, NIS, NFS, FTP, DNS, DHCP, Samba, Apache, SMTP, SSH, IP-Tables

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

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

Backup Management: TAR, cpio, dd, commvault, Netbackup

Other Technologies: Nagios, ZendPHP, OpenLDAP, AD, CVS, Subversion, apache, apache tomcat,lightpd,mysql,bind,dhcp,tfp,kickstart,puppet,chef,openstack,aws,jenkinsldap,opennas,sendmailProtocols: TCP/IP, UDP RIP, OSPF,BGP,SNMP, SMTP, TELNET,RPC

PROFESSIONAL EXPERIENCE

Confidential, Topeka, KS

Sr. AWS/DevOps Engineer

Responsibilities:

• Installed and configured several hundred Red Hat, solaris etc. in cloud, VMware ESXi 4.1, 5& 5.5 & 6 Virtual Environment.
• Configured Red Hat Cluster Nodes for any legacy applications and verified the daily health check on the Cluster Nodes.
• Installing and configuring RedHat /CentOS 6.X using kick start servers in physical and virtual server environment
• Responsible for installation, Configuration and administration of Oracle10g/11g database on SCO UNIX, Linux and Windows 2003 Servers and also an integral part of the backup and recovery.
• 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, Ansible & GIT in Linux environment.
• Expertise DevOps Support (Ansible), writing playbooks and modifying attributes.
• Expertise DevOps Support Ansible, Puppet, Chef, experience in POC implementations.
• Installation, Configuration, upgrade and administration support of Jenkins.
• Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using satellite servers.
• Implemented rapid provisioning and life cycle management for Redhat 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 instances for projects in Cloud with solutions, Auto scaling groups.
• Used IAM to create new accounts, roles and groups
• Proficient in providing support on the deployed Red Hat Enterprise Linux & Sun Solaris servers from both operating system level and application Level.
• 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.
• Familiarity with Java-based server applications & logging framework
• Implementation of Amazon SQS in the AWS cloud.
• Familiar with AWS CLI API, cloud formation.
• Monitoring and troubleshoot backups and schedule Cron jobs.
• Experience in scripting using BASH & PERL, PYTHON, Mail Server, Samba Server, and Apache Server.
• Patch management of servers and maintaining server's environment in Development/QA/Staging/Production.
• Resolving assigned remedy tickets and remedy tools in Development/QA/Staging/Production.
• Implemented AWS solutions using E2C, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups
• Worked in Private Cloud Environments (Private Cloud) for implementations and BAU operations.
• Installation, configuration of Jenkins for Continual integration.
• Installation and configuration and setup of Dockers container environment.
• Managing, troubleshooting and resolving Incidents/Issues as per the Service Level Agreement with frequent updates.
• Handled PREQ and RFQ from customers and delivering infrastructure and project setups according to the requirements
• Daily tasks include resolving Service requests raised by customers on priority basis, raising (Normal/Emergency) Change requests as per requirement, and updating the changes in Centralized Inventory.
• Monitoring System Performance of Virtual memory, System events, Swapping, Disk utilization, CPU utilization taking appropriate action.
• Using VMware vCenter, created Datacenter Environment by creating VMware clusters, adding ESX hosts in the clusters, and implemented HA and DRS
• Installed and configured windows 2008/2008R2/2012/2012R2 server and Red Hat Linux, Centos servers
• Installing, configuring and troubleshooting VMware View Composer, View Connection Manager
• Performed Snapshots, Cloning, Cold Migrations and Hot Migrations

Confidential, Virginia

Sr. Devops /AWS Engineer

Responsibilities:

• Responsible for architecting, designing, implementing and supporting of cloud based infrastructure and its solutions.
• Configured web servers (IIS, nginx) to enable caching, CDN application servers, and load balancers.
• Deployed and supported Mem cache-AWS ElasticCache.
• Involved in maintenance and performance of Amazon EC2 instances.
• Established efficient processes and scripts for change management with the aid of Chef.
• Implemented domain name service (DNS) through route 53 to have highly available and scalable applications.
• Maintained the monitoring and alerting of production and corporate servers using Cloud Watch service.
• Created EBS volumes for storing application files for use with EC2 instances whenever they are mounted to them.
• Diagnose issues with Java applications running in Tomcat or JBoss.
• Created and maintained Jenkins jobs dat execute shell script.
• Use of Docker and OpenShift to manage micro services for development and testing.
• Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub and AWS AMI’s, whenever a new github branch gets started, Jenkins, our Continuous Integration server, automatically attempts to build new Docker container from it.
• Involved in designing and developing Amazon EC2, Amazon S3, Amazon SimpleDB, Amazon RDS, Amazon Elastic Load Balancing, Amazon SQS, and other services of the AWS infrastructure.
• Implemented Security groups for Inbound/Outbound access.
• Creating and managing Development and Continuous Integration Environments using VMWare ESX, automated through Jenkins using PXE boot, Perl and the VM Ware CLI.
• Worked on Version controller like GIT and integration tools: Jenkins. Proficient in using all Amazon Web Services including EC2, EBS, EIP, ENI, ELB.
• Implemented PowerShell scripts dat automated creation of contacts from Active Directory users and updating of address books -increasing productivity and efficiency
• Created users and groups using IAM and assigned individual policies to each group.
• Created SNS notifications and assigned ARN to S3 for object loss notifications.
• Created load balancers (ELB) and used Route53 with failover and latency options for high availability and fault tolerance.
• Worked with Chef Enterprise Hosted as well as On-Premise, Installed Workstation, Bootstrapped Nodes, Wrote Recipes and Cookbooks and uploaded them to Chef-server. Managed Amazon EC2 instances with the help of chef.
• Developed automation scripting in Python (core) using Puppet to deploy and manage Java applications across Linux servers.
• Management of Unix/Linux patching execution for approximately 27,000 Linux, Solaris, Confidential -UX, AIX servers.
• Configured Security group for EC2 Window and Linux instances and for puppet master and puppet agents.
• Support JIRA Project Administration involving custom, complex projects, workflows, security schemes, custom fields etc.
• Created AWS Multi-Factor Authentication (MFA) for instance RDP/SSH logon, worked with teams to lock down security groups.
• Setup specific IAM profiles per group utilizing newly released APIs for controlling resources within AWS based on group or user.
• AWS data backup (snapshot, AMI creation) techniques, along with data-at-rest security within AWS.

Environment: AWS EC2, IAM, CLOUD WATCH, CLOUDFORMATION, Docker, JIRA, Chef, GIT, PUPPET, Jenkins, VMware, LINUX

Confidential

Linux/VMware Engineer

Responsibilities:

• Creating and assigning users and groups.
• Configure the LVM in Linux server for easy disk management.
• Installing, Configuring, Troubleshooting & Maintaining Linux, Unix, Solaris Servers locally & remotely.
• Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, and UAT/Staging.
• Monitoring System Process, Memory and disk usage using Linux command utilities.
• Managing User and Group Account, Setting up and configuring the Quotas, applying User Permissions.
• Linux File System Management, Preparing Partition on Disk and Managing Swap Space.
• Configured and enabled SSH, SCP services for access from remote terminals.
• Linux, Unix, Solaris Performance Monitoring Tools.
• Routeing connection between local and remote system and server.
• Creating space to users.
• Adding proxy entry on server.
• Adding route entry on Linux Unix and Solaris server.
• Managing apache and tomcat applications.
• Hands on Experience in Red hat Enterprise Linux network installation.
• Configuring servers such as WEB, Mail, and File servers on Linux machine.
• Linux, Unix, Solaris users and File permissions.
• Booting systems into different run levels for troubleshooting and system maintenance.
• Installation packages in Linux, Unix, Solaris.
• Expertise in Installation, Configuration VMware, Hyper-V virtual server and Oracle VM virtual Box.
• Installation and Configuration of Active Directory.
• Managing User Accounts, Groups & Organizational Units.
• Installation, Configuration and Maintaining Web Server.
• Working on tickets using ticketing tool Service Desk.
• Exchange 2003 and Exchange 2010, 2013 installation and administration.
• Installing Unix based operating systems.
• Working in a 24x7 Support environment, where we support Internal and External requests in a Unix, Linux & Solaris Environment.

Environment: Solaris 8/9/, Red HatLinux4/5, Sun Fire V95, IBM 225Series, SUN BLADE X6270, SUN BLADE X6250, Sun Ultra 20, Sun v210, Sun v240 Sun T5120, Sun Fire 120, Ibm x series 345.

Confidential

Linux Administrator

Responsibilities:

• Installation, configuration and update REDHAT LINUX 5.x, 6.x, SUSE LINUX 9/10.
• Upgraded REDHAT LINUX from 3.9 to AS 5.2 on 41 PROD nodes successfully.
• Creating File systems, Partition and managing disk quotas. System Backup/ Restore both in Linux/Windows platforms.
• Worked as an On-Call support for 400-node environment on a rotation basis for a week in a month for 24X7 hours.
• Implemented NFS, DHCP, SAMBA, HTTP, FTP, PXE BOOT and Confidential Service Center for administrative and project requirements.
• Monitored the hardware daily in Insight Manager for all the nodes in the environment and worked with vendors for issues with hardware.
• Setup files system quota, created users, manage user permissions and maintain User on Red hat Linux, SUSE and AIX.
• Used bash, awk, sed and Perl to automate most of the daily activities like log monitoring, log rotation and purging, proactive systems monitoring including disk error detection.
• Utilized Perl and BASH to create an object-oriented environment for booting and configuring the systems.
• Configured RAID Level 1 on OS drives with Sun Solstice Disk suite and VERITAS Volume Manager 5. 0
• Implemented and administered High Availability Cluster RedHat Cluster Suite / Veritas Cluster, failover scenarios, and load balance.
• Scheduling full and incremental backups using NetBackup on daily, weekly and monthly basis. Managed Disks and File systems using LVM on Linux and Installation of Oracle Database Server.
• Assisting with the software integration, including turning software builds into RPM packages. Responsible for troubleshooting, end user and application problems
• Designed, developed, and implemented MSI libraries/MFC applications to create Web Sites, virtual directories, establish IIS permissions and set IIS properties, set NTFS permissions, create MTS packages with permissions.
• Proficient in configuring JumpStart and KickStart servers to initiate installation of Solaris and RedHat Linux on several machines at once.
• Troubleshooting and analysis of hardware and software failures for various UNIX servers and involved in disk configuration and disk crash recovery using format and fdisk.
• Responsible for DNS and Configured DNS Servers and Clients, troubleshooting system and DNS issues.
• Developed scripts for automating administration tasks like customizing user environment, and performance monitoring and tuning with nfsstat, netstat, iostat, vmstat and administered tasks like taking backups, expanding file system disk space, creating NFS mounts.

Environment: Red Hat Linux (RHEL 4/5), Logical Volume Manager, Global File System, Red Hat Cluster Servers, Oracle, DNS, NIS, NFS, Apache, Tomcat.