MOUNICA CH

Email: ac4qix@r.postjobfree.com

Contact: 984-***-****

Skilled Professional with 8 Years of involvement in IT industry containing Strong foundation in Linux/Unix &Network Administration, VMWare, CI/CD (Continuous Integration/Continuous Deployment) process, Software Configuration Management (SCM) and Cloud Management all inside that suites the necessities of a domain under DevOps Culture.

Involvement in Server framework advancement on AWS cloud, broad utilization of VPC, EC2, Cloud Formation, Cloud Front, Elastic Cache, Elastic Beanstalk, Cloud Watch, SQS, IAM, SNS, EBS, ECS, S3, Security Group, Auto Scaling, Dynamo DB, Route53, IoT, API Gateway, AWS Lambda, AWS RedShift and Cloud Trail.

Embedded Experience in Configuring windows Azure Services like PaaS, IaaS and dealt with storages like Blob (Page and Block), SQL Azure Azure Load Balancer, Service Fabric, managed the virtual networks and Azure AD. Authorized Azure Resource Manger templates, deploying Azure using Agile methodology.

Strong hands-on with the Cloud Networks Data Plane and Control Plane teams, to design and implement Quality Engineering subsystems and tests for OpenStack Nova Networks, Neutron, and Quark at the data plane via API levels.

Worked extensively with Terraform, such as Infrastructure as code, Execution designs, Resource Graphs, Change Automation. Also, designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.

Responsible for containerization efforts and migration of Java apps to OpenShift Container Platform.

Experience in using Docker and setting up ELK with Docker-Compose and Docker Swarm. Used Docker Mesos to abstract data center resources and to elastically scale the applications and underlying infrastructure. Installed Docker Registry for local upload and download of Docker images and even from Docker hub. Empowered application developers with Kubernetes for Docker container orchestration for Development environments.

Built Jenkins pipeline to drive all microservices builds out to the Docker registry and then deployed to Kubernetes, created pods and managed using Kubernetes.

Extensively used Ansible and Ansible Tower tool in Development and testing environments.

Composed Recipes and Cookbooks and uploaded them to Chef-server, managed policies and metadata of nodes, managed On-site OS/Applications/Services/Packages utilizing chef as well as AWS for EC2/S3/Route53 & ELB with Chef Cookbooks and Checked them using Test Kitchen tool as well as knife.

Implemented Puppet client software on RHEL 6.x servers and worked with providing SSL certification. Composed custom Modules and Manifests, downloaded pre-written modules from puppet-forge.

Worked with Ansible playbooks for virtual and physical instance provisioning, configuration management, patching and software deployment on AWS environments through automated tools, Ansible custom pipeline.

Administered and Engineered Jenkins, Bamboo and Hudson for managing weekly Build, Test and Deploy chain, SVN/GIT with Development, Testing and Production Branching Model for weekly releases.

Experience in using Tomcat, JBOSS, WebLogic, Nginx and WebSphere servers for deployments.

Composed and implemented Subversion and GIT metadata. Setting up continuous integration and formal builds using Bamboo with Artifactory repository.

Evaluate, install, test, configure, maintain, tune, and troubleshoot Solaris, Red Hat Linux, HP-UX, Ubuntu, Debian, Windows operating system software.

Mastered in setting up SSH, SCP, SFTP connectivity between Linux hosts. Installation, configuration and maintenance DNS, NIS, NFS, CIFS, FTP, NIS, Samba Server, LDAP, remote access, security management, system troubleshooting skills.

Installing RedHat Linux ES 4.x/5.x using kickstart and applied security polices for hardening the server. Used Veritas Volume Manager, Solaris Volume Manager, LVM for Volume Management. Experienced with VxFS, ZFS, UFS, ext3, ext4 file systems.

Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, and MySQL databases in both development and production.

Experienced in deploying virtualization tools like Vagrant, VMware, VirtualBox, Citrus Xen and Windows Hyper-V.

Strong experience utilizing Jenkins/Hudson for enterprise scale infrastructure configuration, creating required scripts using Python for java applications deployments and collaborated Ant and Maven to build Jar, war, tar and ear artifacts.

Extensive hands-on with scripting languages like Python, Perl, PHP, Bash.

Utilized MySQL, MongoDB, DynamoDB and Elasticache to perform essential database administration.

Associated in assisting the Unix and Splunk administrators to deploy Splunk across the UNIX and windows environment. Have Technical Expertise on Nagios, New Relic, Graylag, Graphene. Knowledge of implementing, administering and monitoring Oracle DB, NoSQL, Java and tomcat-based applications.

Configured and managed an ELK stack, setup the Elastic search ELK Stack to collect, search and analyze log files across the servers. Evaluated system logs using ELK software stack.

Experience with Atlassian tools such as Bit bucket, JIRA, Confluence, Bamboo.

Involved in utilizing Ticketing & Bug tracking tools like JIRA and used SonarQube for automated code review.

Great communicative, interpersonal, and leadership abilities with capacity to work effectively in both autonomous and group work situations.

Cloud

AWS, Azure, Open Stack.

Configuration Management tools

Chef, Puppet, Ansible

CI/CD & Build Tools

Jenkins, Hudson, Bamboo, ANT, Maven

Version Control tools

GIT, Subversion

Monitoring Tools

Nagios, SPLUNK, ELK, New Relic, Graylog, Graphene, Zabbix.

Languages

C, C++, JAVA, J2EE

Databases

Oracle DB, MySQL, NoSQL, MongoDB, DynamoDB, Elasticache.

Application servers

Web Logic 8.x, 9.x, 10.x, Apache Tomcat 5.x/7.x, Red Hat JBOSS 4.22.GA, WebSphere /4.x/5.x6.x/7.x/8.x & SAMBA

Containers Tools

Docker, Docker Compose, Docker swarm, Docker Mesos, Kubernetes, Openshift.

Operating Systems

Linux (Red Hat 4/5/6/7, CENTOS & SUSE), Solaris 11/10/9, HP-UX 11.23, 11.31, (4.3/5.x/6.x/7.x), Ubuntu 12/13/14, Windows NT /2000/2003, DEBIAN.

Scripting Languages

Python, Ruby, Perl, PHP, Bash, Power shell.

Virtualization Tools

VMware, Windows Hyper-V, Virtual box, Vagrant, Citrix Xen.

Atlassian Tools

JIRA, Confluence, Bitbucket, Bamboo.

Networking/Protocol

TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/TFTP, SAMBA

Volume Manager

VERITAS Volume Manager, Solaris Volume Manager, veritas with Linux.

Sr. Cloud Engineer November 2016 - Present MasterCard – St. louis, MO

Responsibilities:

Created and executed an agile SDLC and refinement of SCM using AWS cloud services such as EC2, auto-scaling and VPC that handled load bursts. Setting up databases in AWS using RDS, DynamoDB, Cloud Front, Elastic Beanstalk, storage using EBS, S3 bucket and configuring instance backups to Glacier archives, and configured AWS Redshift for data Warehousing.

Created subscriptions and topics using SNS and SQS based services and developed Container Auto Recovery by using AWS ECS to recover unhealthy containers.

Delivered environment mapping in AWS that included Active Directory, LDAP, AWS IAM roles for AWS API Gateway platform. Executed Micro Services with AWS EC Docker/Kubernetes for code building and packaging.

Developed microservice onboarding tools leveraging Python and Jenkins for easy creation and maintenance of build jobs and Kubernetes deploy and services.

Used Chef, deployed and configured ELK for log analytics, full text search, application monitoring in integration with AWS Lambda and Cloud Watch.

Composed JSON and YAML format Cloud Formation templates that depicts all the AWS resources needed to deploy to run the application.

Transformed current Terraform modules that had version conflicts to empower controls and missing potency. Also, had written Templates for AWS infrastructure as a code using Terraform to build staging and production environments.

Developed web service using Windows Communication Foundation and JAVA to receive and process XML files and deployed on Microsoft Azure.

Administered complete Office 365 environment for local and remote users including Exchange, Lync, Office and local on premises Active Directory syncing with Azure AD (ADFS), configured SSO and multifactor Authentication.

Generated Azure OMS Hybrid Automation PowerShell Runbooks to automate the creation of testing and QA environments using vSphere.

Created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and Managed releases of Helm packages.

Virtualized the servers on AWS using the Docker, created and packaged microservices using Docker files and version control to accomplish Continuous Delivery objective, also used Docker with Nginx.

Implemented docker-maven- plugin in maven pom.xml to build docker images for all microservices and later used Docker file to build the docker images from the java jar files.

Designed a patch process, wrote ansible playbooks for patching OpenShift -RHEL and fixing bugs for open shift.

Involved in migration of Artifactory from docker registry. Developed a python script that allows access tokens of Artifactory to send images from docker registry and from ECS clusters.

Worked on deployment automation of all the microservices to pull image from the private Docker registry and deploy to Docker swarm cluster using Ansible.

Administered Production, Development and Test environment's carrying Windows, Ubuntu, Red Hat Linux, SUSE Linux, Centos and Solaris servers via Virtual Box.

Have done various POCs to build and test configuration scripts before implementation of implementing CI/CD. Working with setting up ELK using CHEF cookbooks and integrating with current AWS environment.

Constantly addressed the needs of our clients and upgraded our Chef Automate pipeline, coding and making more features accessible. Utilized JFrog Artifactory as repository for various software and packages for deployment to infrastructure using Chef.

Composed Chef Cookbooks for different DB configurations to modularize product configuration and used Chef for server provisioning for Tomcat, Oracle DB, MySQL, Windows applications, infrastructure automation in a SaaS environment and versioned them on GIT repositories and Chef Server.

Took advantage of Jenkins for enterprise scale infrastructure configuration, creating required scripts in Python and checking out the code from GIT and use Maven pom.xml to build Jar, war, tar and ear artifacts.

Performed Cloning, modifying, updating the GIT repos and push back to the Bitbucket. Imported and managed multiple corporate applications into GIT repositories and give access rights to the authorized developers.

Deployed J2EE applications in an agile environment and further automated the entire process. Build scripts using MAVEN build tools in Jenkins to move from one environment to other environments.

Constructed Web pages using PHP, Oracle DB, MYSQL to show information about several GIT repositories using Stash Rest API, Python and shell script.

Installed, configured, supported and troubleshooted Unix/Linux Networking services and protocols like NIS, LDAP, DNS, NFS, DHCP, FTP, SSH and SAMBA.

Examined the VMcore dumps, system logs, data accumulated from Splunk, VMware on everyday premise to troubleshoot the mission critical issues.

Worked with JIRA templates for allotting permissions for users. Evaluated and managed Confluence add-ons and macros. Documented troubleshooting, installation and server’s information in confluence and bitbucket.

Performed Disk mirroring and RAID implementation using VERITAS Volume Manager and Linux Volume Manager.

Performed user administration; startup and shutdown scripts; crontabs, file system maintenance and backup scripting and automation using shell scripting (BASH) and Perl for Red Hat Linux systems.

Environment: J2EE, AWS, Azure, Docker, Kubernetes, OpenShift, Chef, Ansible, Maven, Jenkins, Shell, Perl, Python, XML, PowerShell, WebSphere Server, JBOSS, SMABA, Nginx, Apache Tomcat, LDAP, Sonar, GIT, JFrog, VERITAS, SPLUNK, JIRA, Confluence, Agile Methodology, JAVA, UNIX and LINUX.

Sr. DevOps Engineer January 2016 – November 2016

Centene Corporation - Atlanta, GA

Responsibilities:

Contributed applications running in private cloud developed using OpenStack and public cloud in AWS environments. Automated cloud deployments using Ansible, Python and AWS Cloud Formation Templates.

Deployed LAMP based applications in AWS environment, including provisioning MYSQL- RDS and establish connectivity between EC2 instance and MySQL-RDS via security groups.

Involved in designing and deploying applications utilizing all the AWS stack including Route53, Dynamo DB, SNS, SQS, LAMBDA, Code Deploy, focusing on high-availability, fault tolerance and auto-scaling in AWS CF Templates.

Configured AWS IAM Groups and Users for improved login authentication. Created AWS RDS Aurora DB cluster and connected to the database through an Amazon RDS Aurora DB Instance using the Amazon RDS Console.

Automate the process of creating EC2 instances using cloud formation/Jenkins and installed software using ansible playbook in them. Developed JSON templates with ansible script to fully automate the process with Jenkins job.

Constructed private cloud infrastructure of OpenStack, deploying through Chef and maintaining them in production. Additionally, tested OpenStack environment i.e. Nova, Swift, Cinder, Neutron, Horizon, Keystone, & Glance.

Settled issues identified with OpenStack components Mysql/Percona DB, RabbitMQ, Repose, HAProxy and Horizon by considering consistency tests along all final services and implementing service related metrics.

Created OpenStack Heat Templates for launching VM's to be used as Jenkins Slave nodes for individual jobs.

Implemented multi-tier application provisioning in OpenStack cloud, integrating it with Chef. Adding vSphere to nova compute nodes and Manage and troubleshoot the Nova Compute and Controller Services.

Exercised Kibana 4 for accessibility of dashboards for cloud operations that helped monitor the performance of OpenStack components and provided SSL encryption for client requests as well as requests to and from Elasticsearch.

Worked with Terraform features such as IaaS, Execution plans, Resource Graphs, Change Automation.

Worked to setup Jenkins as a service inside the docker swarm cluster to reduce the failover downtime to minutes and to automate the docker containers deployment without using configuration management tool.

Implemented Docker to provision slaves dynamically as needed. Created and maintained Docker files in Source Code Repository build images. Handled Docker images primarily for middleware installations and domain configurations.

Implemented a continuous Delivery Pipeline with Docker, Jenkins and GitHub to build a new Docker container automatically using Jenkins when a new GitHub branches are created.

Installed and supervised Middleware tools through Ansible such as WebSphere Application Server 7.x/8.x, JBOSS GA7/EAP6, Apache, Tomcat, Active MQ and other web-oriented applications.

Designed Implementation of SAML solution for Java and PHP Technology stacks to be provisioned cloud environment.

Composed Ansible Playbooks with Python SSH as the Wrapper to Administer Configurations of OpenStack infrastructure and Test Playbooks on OpenStack instances using Python.

Managed both enterprise as well as on premises chef server and installed chef client using bootstrap script and created run list using terraform module for chef provisioner.

Configured nodes express applications in production environment by Configuring with Nginx and Ansible Web servers.

Developed build and deployment scripts using ANT as build tool and automated the build and deploy processes using Jenkins. Configured SSH, SMTP, Build Tools, and Source Control repositories in Jenkins.

Extensively worked on Jenkins/Hudson, Build Forge for continuous integration for all build and deployments.

Setup GIT repo server to keep the source code for code management. Implemented rapid-provisioning and life-cycle management for Ubuntu Linux using Chef, and custom Ruby/Bash scripts.

Develop metrics, dashboards, and advanced filters in Jira to provide end-users with performance metrics and status reports. Atlassian Confluence was primarily used for documenting the work we do and publishing the release notes.

Scripted in multiple languages on UNIX, LINUX, and Windows - Bash, Shell, Perl script and developed applications in python for numerous platforms.

Implemented and support Splunk Indexers, Indexing and Field extractions using Splunk IFX, Forwarders, light weight forwarders and Splunk web for Splunk 5.x or search heads for Splunk 5.x/6.X to analyze data from various layers Load Balancers, Web servers.

Performed Linux kernel memory upgrades and swaps area. RedHat Linux Kickstart Installation Sun Solaris Jumpstart Installation. Configuring DNS, DHCP, NIS, NFS in Sun Solaris and other Network services.

Environment: OpenStack, AWS, Git, Ant, Jenkins, Ansible, Chef, Maven, WebSphere 7.x/8.x, JBOSS GA7/EAP6, Apache, Tomcat, Vsphere, Putty, Java, PHP, J2EE, RHEL, SLES, Sonar, Python, BASH, Shell, Ruby, Perl, Kibana 4, Splunk 5.x/6.x, Elasticsearch, Jira, Confluence.

Site Reliability Engineer June 2013–December 2015

Celgene – Summit, NJ

Responsibilities:

Developed and maintained integration and Release processes. Engaged in research of the project application architecture to resolve Build, compile, and test issues.

Created Python Scripts to Automate AWS services which include web servers, ELB, Cloud front Distribution, database, EC2 and database security groups, S3 bucket and application configuration. Created AMI and used it multiple times.

Created and Configured IAM Users/Roles/Policies to grant fine-grained access of AWS resources to users. Utilized Amazon Route53 to manage DNS zones and assigned public DNS names to elastic load balancers IP’s.

Monitored the server’s performance, CPU Utilization, disk usage etc. by creating alarms in AWS Cloud Watch service.

Configured nodes express applications in production and pre-production environment by Configuring with Nginx and Ansible Web servers.

Involved in Configuration Automation and Centralized Management with Ansible and Implemented Ansible to manage all existing servers and automate the build/configuration of new servers. All server’s types where fully defined in Ansible, so that newly built server could be up and ready for production within 30 minutes of OS installation.

Broadly worked on Puppet to configure the servers, deploy software, and orchestrate continuous deployments or zero downtime rolling updates. Managed and configured more than 100+ nodes in different cluster environments, ITEST, QA3, QA5, PDC and SDC using Puppet configuration management tool.

Utilized different plug-ins to broaden the base functionality of Jenkins to deploy, integrate tests and show reports.

Automated deployment modules of WebLogic, WebSphere applications and configuration settings using a combination of PowerShell scripts and Puppet.

Updated Splunk application from 5.0.7 to 6.1 and furthermore have mastery in configuring Forwarders on Splunk. Developed multiple shell scripts for system monitoring and converting raw data into Splunk format.

Outlined test cases and test plans, built up an embedded data driven test automation framework in Linux/Python.

Using Puppet Enterprise to Manage Application configurations in both a large VMware environment, as well as a new SOA environment - built completely.

Designed SCM tools with Bamboo and accomplished triggers in GIT. Integrated Build dependencies and dependency blocking strategy in Bamboo. Provided KT sessions for the beginners on Source code management tools like GIT.

Implemented OS installations, OS Upgrades, and Server Patching by constructing PXE and DHCP server using Kickstart Configuration and by using Red Hat Satellite server. Worked on creating user accounts, user administration, local and global groups on RedHat Linux platform.

Automated the WebSphere build with zero downtime implementation using python, shell script and PERL and deployed using Jenkins (and required plugins).

Experience in setting up Upstream and Downstream Jobs Jenkins and Hudson. Worked with Jenkins Pipelines.

Installation, configuration and maintenance DNS servers, Mail servers, FTP servers, NFS, NIS, LDAP and Microsoft Active Directory & Samba Web servers on Sun Solaris, Linux platforms.

Created build and deployment scripts using Ant and Maven as build tools in Jenkins to move into different environments and to create new jobs and branches through Jenkins.

Collaborated with tools like Nagios and Zabbix for performance monitoring and analyzing health status of services.

Maintained high availability by configuring Redis Sentinel service to watch failover procedure for GitLab HA.

Provide recommendations on best practices, standardization and leveraging processes within the Jira platform.

Administered Linux servers for several functions including managing WebSphere, Apace/Tomcat server, mail server, MySQL, Oracle DB build and firewalls in both development of JAVA and PHP applications and their production.

Installed and administrated LAN/WAN and two HP-UX (HP9000) based servers for all the showrooms used for retailing purpose and warehouses around the globe using LVM, NFS, Disk Mirroring, Raid-5, Routers, EMC management for Symmetrix.

Environment: Linux, Sun Solaris, HP-UX, Kickstart, Git, SVN, Ant, Maven, Jenkins, Hudson, Ansible, Puppet, WebLogic, WebSphere, Apache/Tomcat, DNS, FTP, NFS, RPM, LDAP, AD, SAMBA, Nagios, Zabbix, Putty, Java, PHP, Python, Shell, PERL, JIRA, LVM, RAID, PowerShell.

Build and Release Engineer October 2012 – May 2013

Basha Research Corporation (BRCORP) – Hyderabad, INDIA

Responsibilities:

Expertized in SDLC Phases with clear-cut focus on the build and release of quality software. Experienced in Agile/Scrum, most recently Continuous Integration (CI) and Continuous Deployment (CD) practices.

Design, Implement and maintain Windows, UNIX (Solaris), Linux (CentOS, Ubuntu) systems in a mixed environment.

Expertise in Puppet Administration tool, which acts as a puppet dashboard for managing puppet profiles, modules, classes and top scope variables.

Skilled in Puppet Promotion tool, to promote code/puppet modules across the environments in an organization.

Configured secure HTTP for SVN source control, and back-end communication with SQL Database and manage user access to SVN repositories. Build and Release software baselines, code merges, branch and label creation in Subversion and GIT, worked as migration lead to perform migration from Subversion to Git via Bit Bucket (DVCS).

Expertise in ANT as build tools on Java projects for the development of build artifacts on Designed and implemented GIT metadata including elements, labels, attributes, the source code.

Solid experience utilization Jenkins for enormous business scale establishment and application organizations and pulling the code from GIT and utilizing Ant to construct Jar, war and ear ancient rarities.

Explored on managing code quality of java applications using SonarQube while checking in the code to GitHub.

Installed and assembled GIT server and repositories. Further created hooks to trigger Jenkins projects to do automated deployment of puppet modules to puppet server and then trigger puppet agents on the nodes.

Composed python and shell scripts to do all CI/CD using Jenkins, Git in GitHub, to access the databases to retrieve and archive data and to improve application security.

Installed and assembled GIT server and repositories. Further created hooks to trigger Jenkins projects to do automated deployment of puppet modules to puppet server and then trigger puppet agents on the nodes.

Managing and architecting large Servers and monitoring its applications through Nagios and Zabbix. Administered Apache and Nginx web servers and queering several RDBMS servers like Oracle DB, SQL, MySQL for data integrity.

Maintained artifacts storage under snapshots, application releases in Nexus repository management and performed lot of POC's (proof of concept) for different features of the application to achieve best results.

Documented each new client's current JIRA and Confluence configurations to create a baseline before we began implementing upgrades and modifications.

Hands on experience on patching and updating of Linux servers from the Satellite Servers, RedHat Network (RHN) satellite server and Solaris servers from the centralized repository and using Patch Update Manager.

Environment: Windows, Linux, Unix, Puppet, HTTP, SVN, Oracle DB, SQL DB, MySQL, GIT, GitHub, Jenkins, ANT, SonarQube, Python, Shell Script, Nagios, Zabbix, RedHat Network Satellite Server, Solaris Servers, Nginx, JAVA, NEXUS, JIRA, Confluence.

Linux/Unix Administrator March 2011 –September 2012

SP Software Limited – Hyderabad, INDIA

Responsibilities:

24x7 administering, establishment and execution of server patching and upgradation on more than 500 servers including HP-UX, Solaris and RedHat Linux servers over network- kickstart- (NFS, FTP and HTTP) and Virtualization

with VMware ESX server 3.5, 4.0 VMware workstation, virtual box and XEN, REDHAT VMWare vSphere ESXi 5.x/4. X.

Introducing and designing Apache and supporting them on Linux production servers. Troubleshooting Linux network, security related issues using traceroute command and mtr, capturing packets using tools such as Iptables, firewall, TCP wrappers, NMAP.

Installed and configured RedHat Enterprise Linux AS on Intel EM64T. Installed and configured NIS, DHCP, BIND (DNS) services. Performed file system tasks using LVM, RAID and swap space concept.

Organized and maintained NFS, NIS, and TCP/IP network, configured the systems for TCP/IP Networking with the existing LAN, setting up SSH and SCP features.

Installation, Configuration and support for RedHat Satellite Server, HTTPD and for upgrading and patching Linux Servers and for Intranet specification.

Designed logical volumes, extended logical volumes for file system growth needs using LVM commands.

Executed periodic customer releases through git pushes to shared, private and public servers. Used cron tabs, automated scripts to do CI. Dealt with various merging conflicts and pushed appropriate code into GitHub repository.

Composed shell, Python and PowerShell scripts to automate manual tasks in Linux and windows environment. Kernel tuning, Writing Shell scripts for system maintenance and file management. Handled LILO to resolve server issues using rescue mode, and single user mode.

Implemented the use of Nagios tool for monitoring and analyzing the network loads on the individual machines by enforcing custom Nagios monitoring, notifications and dashboard to exhibit various metrics using Shell Scripting.

Worked with JIRA for assigning permissions to users the Release; Created Mail Handlers Schemes for JIRA.

Environment: IP tables, firewall, TCP wrapper, NMAP, Kickstart server, VMware ESX server, VMware workstation, Red Hat Enterprise Linux, HP-UX, SSH, DNS, DHCP, NIS, NFS, TCP/IP, Nagios, HTTPD, Shell Scripting, Python, PowerShell, LVM, JIRA, RedHat Satellite Server.

System Administrator May 2009 – February 2011

Genpact – Hyderabad, INDIA

Responsibilities:

Administered security patches on Linux, Windows servers and running Nessus scan on servers finding the vulnerabilities and re-compiling Linux kernel to remove services and applications that optional.

Developed UNIX and Shell, Perl Scripts for manual deployment of the code to the different environments and E-mail the team when the build is completed. Maintaining production critical servers running Solaris UNIX, Linux supporting Oracle database, DB2 and Web services.

Root causes analysis for Linux (RedHat, SUSE and CentOS), VMware; ESXi hosts, Windows, Ubuntu servers and EMC storage using log files. Performed kickstart to automate installation process for fifteen RHEL and CentOS server units and wrote bash shell script to create multiple accounts at once and a script to configure samba server on Linux for file sharing.

Regular review, clean-up, management and configuration of JIRA accounts and work closely with the different teams like LDAP, Network, and Infrastructure.

Setting up Ubuntu Workstation, connected them to Active Directory with Kerberos installing and configuring send mail.

Also, maintained and troubleshoot network infrastructure issues and TCP/IP Network services.

Utilized Sun Volume Manager, Veritas Volume Manager for Volume Management of Solaris Server and Logical Volume Manager for volume management of Linux Servers. The file systems that were used were VxFS, ZFS, UFS and ext3.

Configuring the systems for TCP/IP Networking with the existing Local Area Network. Setting up SSH and SCP features between SUN systems and other UNIX hosts (HP-UX) and Linux workstations.

Engaged broadly on Kernel Patches, Firmware Upgrades and Licensed Products for System software on all flavors of and Linux Servers.

Experienced in and maintaining an LDAP, LAMP web service environment. Preserved user account management, configured servers to register with RedHat Network (RHN) Satellite Server.

Environment: LINUX, UNIX, Solaris, Shell, Perl, Oracle Database, DB2, VMware, ESX, Window, EMC, JIRA, LDAP, AD, Kerberos, TCP/IP, RedHat, Veritas, Solaris, VxFS, ZFS, UFS, ext3, ext4, HP-UX, Tomcat, SAMBA, LAMP.

AWS-DEVELOPER ASSOCIATE (Validation Number-K33E23S12B1EQTCF)

BASIC CHEF FLUENCY BADGE

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