PROFESSIONAL SUMMARY:

• Around 8 years of IT experience in System Builds, OS Installs, Application Installs, Performance Tuning, Networking, Capacity Planning and Automation on Unix Servers. Has experience with the Cloud, as well as DevOps Build/Release Management, automation development for Linux systems.
• Expertise in configuration Management tools like Chef and Puppet, CI/CD with Jenkins. 
• Extensively worked on Jenkins for continuous integration and for End - to-End automation for all build and deployments. 
• Experience with creating and publishing  Docker  containers.
• Used build utilities like MAVEN for building of jar, war and ear files.
• Experience with Installation, Configurations, maintenance and support on OpenStack, OpenStack services (Nova, Neutron, Swift, Keystone, Glance. Automate all the Openstack installations and configurations via Ansible and Chef Automation.
• Provisioning and optimizing of compute, network, and storage services with OpenStack through dashboard, command-line and API utilities.
• Troubleshooting any part of the lifecycle services within the Openstack including log files, message queues, database, compute hardware, and network connectivity.
• Deploying the Openstack components on multinode with High availability environment.
• Installing, configuring and testing the Openstack keystone, glance, cinder, Heat, swift, nova and neutron.
• Implementing automated local user provisioning in instances created in Openstack cloud.
• Deploying Virtual servers particularly for the application using KVM/VMware and managed them using Sphere.
• Worked with Rest API’S for hosts and LXC containers management.
• Live Upgrade of Openstack Releases without downtime.
• Experience in monitoring, managing and resource pool using commands poolstat, vmstat, prstat, and mpstat.
• Extensive experience in UNIX performance monitoring and kernel tuning and Load balancing to ensure stable performance.
• Experience in Major and Minor Upgrades of Linux, Solaris.
• Widely worked for administering the web and application servers.
• Experience with the firmware upgrades, security patches Installations, Upgrades and Package Configurations.
• Day to day administration of the Development environment and Test environment systems.
• Provided 24X7 supports on pager rotation basis.
• Helped to establish standards, policies and procedures for all aspects of Unix Server environment (e.g., administration, configuration, documentation, etc).
• Manage virtual and physical cloud resources as required with an overall objective of improving the scalability, reliability, performance, and availability of the cloud infrastructure.

TECHNICAL SKILLS:Operating Systems: RHEL 5.x, 6.x, Ubuntu 14.04 LTS, VMware ESXi

Server Hardware: HP DL360/380/580, HP C7000 Chassis, HP DL 180/360/380/580 SL4540.

Configuration Management: Ansible, Chef and Git

Scripting Languages: Shell, Bash, Python

Databases: Oracle Databases 9i/10g/11g, Oracle 10g, 11g RAC

PROFESSIONAL EXPERIENCE:

Confidential

DevOps & Cloud Engineer

• Experience with OpenStack services such as Nova, Neutron, Swift, Ceilometer, Horizon, Glance, Keystone, Orchestration and Cinder - Openstack Ansible Project.
• Installation and Configuration of Openstack Ansible Juno Release
• Live upgrade of Juno to Kilo release in Openstack.
• Deploying the OpenStack components on multinode with High availability environment.
• Manage and troubleshoot the Nova Compute and Controller Services.
• Installed and configured Chef and developed recipes for automated infrastructure deployment of applications.
• Created Jenkins Pipeline involving several Downstream/Upstream Job Configurations based on dependencies from other applications & based on Release methodologies.
• Installed, configured and administered CI tools like  Jenkins  and for automated builds. Managed artifacts generated by  Jenkins.
• Integration of Automated Build with Deployment Pipeline. Currently installed Chef Server and clients to pick up the Build from  Jenkins  repository and deploy in target environments (Integration, QA, and Production). 
• Setting up  Jenkins  master, adding the necessary plugins and adding more slaves to support scalability and agility. 
• Developed build and deployment scripts using MAVEN as build tools in  Jenkins  to move from one environment to other environments. 
• Worked in Deploying, scaling and killing an application on a  Docker  Container.
• Deployed and tested playbooks in  Docker  containers before pushing changes in Git.
• Design  architecture to deploy from a physical environment to Cloud. 
• Manage and troubleshoot the Neutron networking service.
• Creating bridge networks for internal and external access.
• Configuration of Virtual Network and Storage.
• Creation of Instances, snapshots, templates and use them based on the requirement.
• Experience in using OpenStack Command line Interface to create and configure instances, networks, images, flavors, containers, volumes, accounts and tenants.
• Configuring and manage the users and services with the Keystone Identity service.
• Configure and manage the Swift Object Storage Service and Glance Image service.
• Administration of Tenant Level Quotas in Openstack.
• Implemented and automated local user provisioning in instances created in OpenStack cloud.
• Used Ansible as DevOps tools and Git as SCM tool to automate the deployment of infrastructure.
• Server Builds using Kickstart and Satellite Server for RHEL/CENTOS 6 & 7.
• Automation and System configuration Management using Chef and Ansible.
• Install and Configure VMware Guest Image templates.
• Used Nagios for Monitoring and Alerting.
• Scripted the PCI Requirements for bringing servers into Compliance.
• Troubleshooting Performance and Latency Issues.
• Work with Vendors on Hardware Failures, coordinating the replacement of fault hardware.
• Trained and Supported Offshore teams on New Processes and any new issues.
• Change Management Using Remedy.
• Documented all the processed or any new implementations in Confluence.
• Trained on Agile Methodologies.
• On-Call Support on a rotation basis.

Environment: Docker, Jenkins, RHEL 6.2,6.5,6.6,6.7&7.0 including CENTOS, Ansible HP DL360, DL380, DL580, SL4540.

Confidential

Sr. Linux/ DevOps Consultant.

• Installation, Configuration & Upgrade of Linux and Solaris operating systems.
• Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart process & performed Kickstart to install OS on Linux boxes.
• Created User, Groups and File Systems as per database requirements.
• Configured and troubleshooting NFS, NIS, NIS+, DNS, DHCP, FTP, LDAP, and Samba, Apache servers in Linux Servers.
• Performed Memory and Swap management to improve optimization and performance of the servers.
• Experience in installing, configuring the Volume/File system management using Veritas Volume Manager, Logical Volume Manager (LVM), Solaris Volume Manager (SVM), ZFS Filesystem Management and VERITAS File System.
• Experienced in User and Group administration and security issues.
• Performed upgrades of Packages and Patches in Solaris and Linux.
• Configured IPMP, NIC Bonding and Link aggregation in Solaris, Linux and HP-UX.
• Designed and Performed Custom Jumpstart Installation over network and created, maintained install server, boot server and profile server.
• Regular disk management like adding and replacing hard drives in existing servers and workstations. Creating partitions according to requirements, creating new file system or growing existing one over the hard drives and managing the file system.
• Worked on VMware, Installed and monitored with various virtual environments with ESX and Virtual Center.
• Installed Linux on VMware virtual servers using Virtual Client Infrastructure Console and Virtual Media.
• Patched different software using RedHat Package Manager and YUM.
• Upgraded Linux Kernel using YUM.
• Configured NFS Servers, Diskless clients and Auto clients and auto mounted the file systems using direct and indirect maps. Also setup entries in /etc/dfs/dfstab in Solaris share file systems and mounted the disks onto the client systems.
• Performed all LVM and file system tasks like creation of Logical volume and file system, Mount a file system, Modifying size of a Logical Volume and file system, Removing a file system.
• Monitoring system performance and capacity working on reconfiguration

Environment: Solaris 10, Redhat Linux(6.2,5.6,5.5), Oracle10g, 11.2.1,11.2.2, Apache, Jboss,Tomcat.

Confidential 

System Administrator.

• Installation, Configuration Red-Hat and CentOS.
• Automated Installations on DL360/380 series machines using Custom Kickstart.
• Blade Logic Agent Installation and Job scheduling.
• Shell Scripting for routine system activities.
• SAR for system metrics like CPU, Mem, IO stats.
• Enabling Cron and Jobs using Crontab.
• Yum configuration, updates, rpm installs.
• Day to day trouble shooting for end users on UNIX, resolving tickets through Remedy.
• Helped to establish standards, policies and procedures for all aspects of Unix server environment like administration, documentation and configuration.
• Setting up Oracle Rac environments for installation for Oracle 10g, 11.2.1,11.2.2.
• Worked on knowledge bonding the interfaces in Linux Environments for Oracle RAC Cluster.
• Managing file system, meta devices, zpools, and mirroring for high availability.
• Good knowledge on tuning kernel parameters for Oracle RAC.
• Extensive experience on firmware upgrades on HP HW.
• Responsible for upgrades to Red Hat Linux and Software packages and maintained them in accordance with established policies, procedures and service level agreements.
• RHN licensing.
• Worked on HP Performance Manager to monitor performance and report activities such as performance, memory usage and peak performance.

Environment: RHEL 5.4/5.6/5.6 including CENTOS, HP C7000 Chassis HP DL360, DL380 Oracle10g, 11.2.1,11.2.2.

Confidential

System Administrator

• Managed different Users and Groups and maintained Systems security.
• Managed Swap Space and Implemented Quotas to maintain security at User Level.
• Implemented alternate Boot Path to take back up of File System when Operating System is corrupted.
• Installed and configured Solaris Servers and implemented Client - Server model networks.
• Configured SCSI controllers for SCSI-Disks and backup tape drive for nightly backups.
• Configured Install server for Solaris 9 and Jumpstart installation of Workstations through Jumpstart server.
• Configured Terminal servers with TCP/IP address.
• Configured Thin Client on both UNIX and Windows.
• Installed Cute-FTP software on win - 2000 for file transfer between UNIX and Windows Operating Systems.
• Configured NAS box and shared the NAS device for both UNIX and Windows clients.
• Installed and Configured APACHE Web Server on SUN SPARC.
• Installed SAMBA on SUN SPARC and shared resources from Win - 98 clients.
• Installed Web Based Administration Tool (WEBMIN) on SUN Enterprise 250 Server.
• Configured Mail server using send mail (SMTP) and Fetch mail (POP3) over the Internet.
• Installed Solaris 9 on sun SPARC Server, configured File system and Raw - Devices.
• Thorough knowledge of Boot Process of Solaris on Intel and SPARC machines.
• Good knowledge in TCP/IP applications.
• Configured and Implemented NFS Server and NFS Client.
• Implemented Auto mount using NFS, Configured Cache FS over NFS.
• Implemented RAID Levels using PCI SCSI RAID Controller.
• Configured NIS and NIS + Master and Replica servers and Clients.
• Configured DNS and Set up DNS for Solaris and Windows NT.
• Configured DHCP Dynamic IP address allocation for clients.
• Configured PPP and established link between Solaris and Windows using SLIP.
• Planned and Scheduled jobs using at and cron tab commands.
• Installed various Packages and Patches on SUN SPARC and Intel Machines.
• Good knowledge on Network Installation, maintenance and troubleshooting of UNIX.
• Good knowledge on Troubleshooting and Performance Tuning of Solaris Desktop / Solaris Servers.

Environment: Solaris 10/9, Linux RHEL 5, Sun Fire V240 Server, E10K/25K, T2000, Sun Fire X2250, Sun SPARC Enterprise 1000, M4000/5000,HP DL160/180.

Confidential

Linux/ Oracle Developer.

• As a developer worked in Analysis, Design, Development, Testing and Implementation of Software Applications using Oracle Applications 11.5.x/11.0.3 spread across Implementations, Version upgrades, Data conversions and Customizations.
• Strong analytical, diagnostic and trouble shooting skills and ability to work in a fast-paced and team oriented environment.
• Extensive Programming experience in oracle 10g/9i/8i, SQL, PL/SQL and XML.
• Experience in environments requiring direct customer interaction during specification, documentation, design and development, implementation phase.
• Systems performance monitoring.
• Solaris Operating Systems Upgrade, Package installations, Updates, Patches and Software fixes.
• Configured the Send mail client side for Sun Solaris servers.
• Responsible for troubleshooting end user and application problems.
• Creating User accounts, Mail account, groups, printer etc.
• Worked closely with database administration staff to ensure optimal performance of databases, and maintain development applications and databases.
• Assembling the systems and installing operating system and application software.
• Designing computer displays to accomplish goals using flowcharts and diagrams.
• Installing Operating Systems and Application Software.
• Training for users to use the program.

Environment: Solaris 8, UNIX5.x & Windows NT 4.0 / 2000, Sun Enterprise 450/420R/250 Servers, Ultra Enterprise 2/1 Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, SPARCstation 10, Sun Sparc Ultra 1,5,10.