PROFESSIONAL SUMMARY:

• Over 8+ years of experience in IT comprising of Designing, Development, Integration of DevOps tools, Build Automation, Configuration Management, Build/Release and Delivery Management, CI/CD, involving cloud infrastructure services like ( Amazon Web Services ) as well as Cloud Migration services using Cloud formation and Terraform templates.
• Extensive experience on AWS services like ELB , EC2 , S3 , VPC , NACL's , Cloud Formation, Route 53, Network Connectivity troubleshooting, Hybrid Environments and VPCpeering .
• Experienced in both framework and CloudFormation to automate AWS environment creation along with the ability to deployment on AWS , using build scripts ( Boto3 and AWSCLI ) and automate solutions using Shell and Python .
• Experience on AWS , focusing on high - availability, fault tolerance, and auto-scaling using Terraform templates. Along with (CI/CD) with AWS Lambda and AWS Code Pipeline
• Experience in Infrastructure on AWS using IAM , API Gateway, CloudTrail, Cloud Watch, Amazon Simple Queue Service (Amazon SQS), AWS Kinesis, Lambda, NACL, Elastic Beanstalk, Redshift, and CloudFormation
• Hands on experience with TerraformAPI modules to manage infrastructure and publishing module to the Terraform registry and contributed for end-to-end configuration management to deploy our products inside AWS environment.
• Experience in monitoring the availability & performance of RedHat Linux Servers through tools like mpstat, vmstat, iostat, netstat and nfsstat.
• Hands-On experience with splunk Search querys and created jobs/alerts and also dashboards for monitoring.
• Expertise in using Ansible to setup Continuous Delivery Pipeline. Deployed micro services, including provisioning AWS environments using Ansible Playbooks. Expertise in Ansible Playbook, YAML for Maintaining Roles Inventory Files and Groups Variables and Extensively worked on Jenkins .
• Design and implement scalable enterprise monitoring systems by applying continuous integration/delivery concepts • Perform maintenance and troubleshooting of our enterprise Redhat OpenShift systems • Work to continuously improve speed, efficiency and scalability of OpenShift systems
• Extensively worked with configuring and management tools like Chef , Puppet , Ansible and expertise in developing Recipes, Manifests and Playbooks in Ruby and YAML scripts to automate the environment.
• Experience in implementation of Puppet agent based and agentless configurations, using Puppet dashboards, Collective with active MQ server, plugin-sync, stored configs, Hiera , Facter and wrote Puppet manifests.
• Worked on migration of Splunk to AWS(cloud) instances. Involved in standardizing Splunk forwarder deployment, configuration and maintenance across UNIX and Windows platforms
• Expertise in App Containerization technology Docker , creating Docker images, Containers, Docker Registry to store images, cloud-based registry Docker Hub, Docker Swarm to manage containers
• Experience in deployment automation of all the Microservices to pull the image from the private Docker Registry and deployed into Docker Swarm to create a complete docker cluster by using Ansible
• Experience in managing Kubernetes charts using Helm . Created reproducible builds of the Kubernetes applications, managed manifest files & releases of Helm packages. Created Pods in Kubernetes and monitored the health of pods using Helm charts.
• Experience in implementing CI/CD for J2EE, SOA & Micro services Architecture Environment (NodeJS, .Net Core, Zookeeper, Kafka, Redis ) using Jenkins , Anthill Pro & UDeploy . Used Jenkins with SonarQube to analyse and get the better quality of the Source code.
• Hands-on experience in integrating Jenkins CI tool with build automation tools like ANT , Maven , Gradle for building of deployable artifacts (JAR, WAR & EAR) from source code.
• Hands-on experience in version control tools like Subversion, TFS , GIT , BITBucket , CVS , Perforce Version wherein experienced with tagging, branching on platforms like Linux/Windows and used Source code management client tools like, GITBash , GitHub , GIT - GUI and other CLI applications etc.
• Worked with Splunk professional services to make the best practices that can be followed by everyone to maintain the performance of Splunk .
• Proficient with Shell , Bash , Python , PowerShell , YAML , Rubyscripting languages for automation, monitoring.
• Worked with RedHat OpenShift Container Platform for Docker and Kubernetes, used Kubernetes to manage containerized applications using its nodes, ConfigMaps, node-selector, Services and deployed application containers as Pods.
• Expertise in LINUX / UNIX system builds, administration, Installations, Upgrades, Troubleshooting on different distributions such as Ubuntu , CentOS , RHEL 5.x/6.X/7. X. Expertise in creating Exception Group policies for Windows Server 2003 / 2008 / 2012R2 in AD domain.

TECHNICAL SKILLS:

Operating Systems: Linux (RedHat 4/5/6/7, CENTOS & SUSE), RedHat Linux 4/5/6/7, Windows servers 2003, 2008, 2008 R2, 2012, 2012R2, Windows 2000, XP, Windows 7, Ubuntu 12/13/14, Solaris 11/10/9/8.

Cloud platforms: Amazon Web Services

Container Orchestration Tools: Docker Swarm, Kubernetes, EC2 Container Services, OpenShift

VirtualizationPlatforms: Oracle VM Virtual Box, VMware, Vagrant, Windows Hyper-V

Application/Web Servers: Amazon AWS, Apache, Tomcat, JBoss, WebSphere, VMware, Web Logic, Nginx, Send Mail

Scripting languages: Perl, Python, Ruby, Bash/Shell Scripting, PowerShell, YAML, PHP, JSON.

Languages: C, C++, Core Java, J2EE

Build Tools: ANT, Maven, Gradle.

Configuration Management tool: Ansible, chef, puppet, salt stack

Version Control Tools: GIT, GITHUB, SVN, Perforce, Bitbucket

Continuous Integration tools: Bamboo, Hudson, Jenkins

Logging & Monitoring Tools: Nagios, Splunk, CloudWatch, Dynatrace, ELK, Datadog, Grafana, New Relic

Databases: MS SQL Server, Oracle 8/10.X, Mongo DB, DynamoDB, PostgreSQL,Cassandra

Repository Management: Nexus, JFrog, Artifactory

Networking: TCP/IP, DHCP, DNS, SNMP, SMTP, Ethernet, NFS, LDAP

JIRA, Remedy, Clear Quest, I: Track

PROFFESIONAL EXPERIENCE:

Confidential, Pleasanton, CA

DevOps Engineer/Linux/OpenShift Engineer

Responsibilities:

• Worked in container-based technologies like Docker, Kubernetes and OpenShift.Point team player on OpenShift for creating new Projects, Services for load balancing and adding them to Routes to be accessible from outside, troubleshooting pods through ssh and logs, modification of Build configs, templates, Image streams, etc.
• Managing the OpenShift cluster that includes scaling up and down the AWS app nodes.
• Had very strong exposure using ansible automation in replacing the different components of OpenShift like ECTD, MASTER, APP, INFRA, Gluster.
• Used Splunk for configuration and installation process.
• Working on implementing new OCR solution; Spring Boot, OpenShift, microservices. Member of group developing containerized applications; Docker, Spring Boot, Kubernetes, OpenShift. Deployed Microservices to IBM Bluemix Cloud Foundry and later migrated to OpenShift.
• The deployment model uses Atlassian development repository tools, Jenkins as the build engine, while execution deployments to container orchestration tools ranged over time from OpenShift on EC2, AWS.
• Enterprise Container Services, and today using AWSFaregate.Implemented Micro Services framework with Spring Boot, NODE.JS and OpenShift containerization platform (OCP).
• Performed configuration, deployment and support of cloud services including Amazon Web Services (AWS)Creating Amazon EC2 Cloud Instances using Amazon Web Services and configuration of launched instances with respect to specific applications.
• Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances.
• Worked in installing and upgrading Splunk apps and configured them. Guided all the SME's in using Splunk to create dashboards, reports, Alerts etc.
• Configuration Automation and Centralized Management with Ansible and Cobbler. Implemented Ansible to manage existing servers and automate the build/configuration of new servers. Customized the Ansible modules for finding facts about cloud and taking actions to manage those alarms during deployments
• Written Chef Cookbooks, recipes using Ruby to automate the installation of Middleware Infrastructure like Apache Tomcat, JDK, and configuration tasks for new environments.
• Developed an API for managing monitoring and alerting hardware resources in Linux OS environment using C#, c++, mono framework and integration with various Linux modules and protocols.
• Executed the automation from commit to deployment directly into Azure VM by implementing a CI/CD pipeline with the help of Jenkins and Chef . Setting up Chef Infra, bootstrapping nodes, creating and uploading recipes, node convergence in Chef SCM.
• Responsible for Designing, Building, installation, configuration, tuning, security, backup, recovery and upgrades of RedHat & IBM AIX.
• Focused on containerization and immutable infrastructure. Docker has been a core to this experience, along with Marathon and Kubernetes from the logs and database in the required format.
• Scheduled, deployed and managed container replicas onto a node cluster using Kubernetes and converted VM based application to microservices and deployed as a container managed by Kubernetes
• Managed Splunk configuration files like inputs, props, transforms, and lookups. Deploy, configure and maintained Splunk forwarder in different platforms.
• Created additional Docker Slave Nodes for Jenkins using custom Docker Images and pulled them to ECR . Worked on all major components of Docker like, Docker Daemon, Hub, Images, Registry, Swarm.
• Utilized Jenkins master/slave architecture to distribute builds on nodes and trigger Jenkins job to build the artifacts using Maven , deployed the Terraform templates to create the stack.
• Maintained Artifacts in binary repositories using JFrog Artifactory and pushed new Artifacts by configuring the Jenkins project using Jenkins Artifactory Plugin.
• Created restful APIs utilizing jersey spring, groovy, hibernate, and spoke unit testing framework to expose data contained in an repository.Developed agile processes using Groovy, JUnit and Cobertura to use continuous integration tools.
• Deploy, Maintain configure, troubleshooting logs and providing application support for the in-house applications such as Intelliconnect and SAAS on RedHat Linux boxes
• Worked with the groovy scripts in Jenkins to execute jobs for a continuous integration pipeline where 'Groovy Jenkins Plugin' and 'Groovy Post-Build Action Plugin' is used as a build step and post build actions
• Implemented &maintained the branching, tagging & build/release strategies using SCM tool like GIT , and maintained build packages using TeamFoundationServer (TFS) on Linux & Windows platform.
• Coordinated developers with establishing and applying appropriate branching, labelling/naming conventions using GIT source control.
• Developed Groovy script to intigrate with SCM and Chef. ReadTheDocs, Docker, Python, Groovy, Powershell, Unreal Engine Build System). Automated release management Wrote custom groovy scripts to automate CI/CD pipelines in Jenkins
• Performed OS installations, OS Upgrades, & Server Patching by configuring PXE & DHCP server using Kickstart & Jumpstart scripts on RedHatLinux 5.x, 6.x & 7.x.

Environment : Amazon Web Services, Chef 13.x/12.x, Ansible 2.4, Docker 1.13.1/1.12.6 , Kubernetes 1.8/1.7,Openshift, Maven 3.5.x, Jenkins 2.10x, GIT-2.1x/2.x, Cassandra 2.x/3.0, AEM 6.2/6.0, Python 3.6, Ruby, Shell, Jira 6.4, Dynatrace, TFS, Splunk, Oracle10.x, WebLogic Server 11g VMware, Nexus, Java, .Net, LDAP, JDK1.7, GitHub, Linux.

Confidential, Woonsocket, RI

Cloud/DevOps Engineer

Responsibilities:

• Worked on AWS Cloud Formation Templates to create custom sized VPC, Subnets, NAT to ensure successful deployment of Web applications and database servers and created scripts in Python which integrated with Amazon API to control instance operations.
• Deployed JSON template to create a stack in Cloud Formation which include services like Amazon EC2 , Amazon S3 , Amazon RDS , Amazon Elastic Load Balancing, Amazon VPC , SQS and other services of the AWS infrastructure.
• Created E1 Test and E2 Test environments for Unit, sanity, functional and performance testing, replicated all applications in OpenShift.
• Worked on Openshift platform in managing Docker containers and Kubernetes Clusters and Created Kubernetes clusters using ansible playbooks (launch-instan deploy-docker.yml, deploy-kubernetes.yml) on Exoscale.
• Managed Openshift master, nodes with upgrades, decommission them from active participation by evacuating the nodes and upgrading them.
• Wrote Ansible playbooks which are the entry point for Ansible provisioning, where the automation is defined through tasks using YAML format. Run Ansible Scripts to provision Dev servers
• Used Ansible Tower which provides an easy-to -use dashboard and role-based access control which makes easier to allow individual teams access to use ansible for their deployments.
• Created Reports, Pivots, alerts, advance Splunk search and Visualization in Splunk enterprise.
• Used Ruby and Python , to automate provision by Ansible and Terraform for tasks such as encrypting EBS volumes backing AMIs and scheduling Lambda functions for routine AWS tasks.
• Building/Maintaining Docker container clusters managed by Kubernetes Linux, Bash, GIT, Docker , Utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build, test deploy
• Built Jenkins pipeline to drive all microservices builds to Docker registry and deploy to Kubernetes .
• Created Jenkins jobs to create AWS Infrastructure from GitHub repositories containing Ansible playbooks
• Configured Test Kitchen to automatically test cookbook data across any combination of platforms and test suites. Deployed application updates using Jenkins . Installed, configured, and managed Jenkins . Triggering the SIT environment build of client remotely through Jenkins .
• Administering Network File System using Automounter and administering user and OS data files in NIS, and NFS environment on RedHat Linux.
• Involved to coding all the backend components using groovy. Developed Groovy scripts for java application deployment by using Jenkins.Developed Groovy scripts to install DB Patches and starting DB service's4. Developed Build pipeline using Groovy.
• Installed and upgraded Splunk software in distributed and clustered environments for numerous corporations and public entities .
• Maintained build related scripts developed in shell for Maven builds. Created and modified build configuration files including POM .xml and convertedbuild.xml into Pom.xml to build the applications using MAVEN
• Worked on Docker - Hub , creating Docker images and handling multiple images primarily for Middleware installations and domain configurations. Handled several Docker components like Docker Engine, Docker -Hub, Docker Compose, Docker Registry, Docker Swarm and Orchestration tools such as Kubernetes .
• Worked with RedHat OpenShift Container Platform for Docker and Kubernetes . Used Kubernetes to deploy scale, load balance, scale and manage Docker containers with multiple namespace versions
• Deployment of a DockerizedRabbitMQ in OpenShift so that we might use the auto-scaling capabilities of OpenShift with a RabbitMQ cluster.
• Managed central repositories & implemented with GIT to host GIT central repositories for source code across products, facilitate code reviews & login audits for Security Compliance.
• Used Nagios as a monitoring tool to identify and resolve infrastructure problems before they affect critical processes and worked on Nagios Event handlers in case of automatic restart of failed applications and services
• Created Shell and Python Scripts to automate creation of AMI's through preboot and bootstrapping techniques. Developed automated processes that run daily to check disk usage and perform cleanup of file systems on LINUX environments using shell scripting.
• Maintained LVM , VxVM and UCD file systems along with NFS and Configured Kickstart servers to install RedHatLinux and VMWareESX on multiple machines.

Environment: AWS,Lambda, Jenkins, OpenShift, Auto Scaling, Web logic, Nexus, JIRA, Ansible, Oracle, Terraform, Python, Maven, Java, Linux, Apache TOMCAT, ELK, GIT, LDAP, NFS, NAS, MS Share point, XML, Fedora, Windows, Splunk, Perl Scripts, Shell Scripts, Chef, Ansible, Docker, Kubernetes, OpenShift.

Confidential, Franklin, MA

DevOps Engineer

Responsibilities:

• Build servers using AWS , importing volumes, launching EC2 , RDS , creating security groups, auto-scaling, Elastic load balancers ( ELBs ) in the defined virtual private cloud ( VPC ).
• Created AmazonVirtualPrivateCloud in the scalable environment which provides advanced security features such as security groups and network access control lists to enable inbound and outbound filtering at the instance level and subnet level.
• Created S3 buckets and managed policies for S3 buckets and Utilized S3 bucket and Glacier for Archival storage and backup on AWS
• Created AWS Multi-Factor Authentication ( MFA ) for instance RDP / SSH logon, worked with teams to lock down security groups
• Design, installation, configuration and administration of Linux 5,6 and 7 servers and support of OpenShift Enterprise and non-OpenShift support.
• Support Design and implementation of the continuous delivery pipeline, using continuous integration, continuous delivery and automated environment provisioning
• Experience installing and configuring SSH (Secure Shell) encryption in order to access securely on Ubuntu and Redhat Linux
• Responsible for development and version control of Chef Cookbooks, testing of Cookbooks using Test Kitchen and running recipes on nodes managed by on premise Chef Server.
• Maintained multiple cookbooks in Chef by converting production support scripts to Chef recipes to automate the configurations in servers.
• Managed servers on AWS cloud platform using Puppet , Ansible as configuration management tools. Writing JSON templates for cloud formation and ruby scripts for puppet automation and contributing to our repository in Bitbucket .
• Improved the virtualization for the servers using the Docker for the test environments and Worked in DevOps group running Jenkins in a Docker container with EC2 slaves in Amazon AWS cloud configuration.
• Configured the WeaveNet such that it creates the Virtual networks which connects Docker Containers to multiple hosts. Created a Swarm using Docker CLI to deploy the services to a Swarm and managed the Swarm behavior
• Implemented the setup for master slave infrastructure to enhance the performance of Jenkins where the projects are the part of release process and were written in shell scripts. Monitored the deployment solutions, tools and technologies including Jenkins Nodes/Agent and configured various plugins for Jenkins to automate the workflow.
• Created Maven POMs to automate the build process for the new projects and integrated them with third party tools like, SonarQube , Nexus and created artifacts through source code and internal deployment in Nexus repository.
• Implemented multi-tier application provisioning in OpenStack cloud, integrating it with Chef/Puppet.
• Worked on NoSQL database MongoDB to Replica setup and sharing. Also experienced in managing Replica set
• Implemented Zabbix , Nagios for network monitoring and application monitoring of multiple metrics of various network services, servers in all the environments.
• Managed central repositories. Implemented Atlassian Stash along with GIT to host GIT central repositories for source code across products & login audits for Security Compliance. Performed code line GIT pushes (releases) to production and customer servers and developed and improved GIT push scripts.
• Worked with JIRA for creating Projects, assigning permissions to users and groups for the projects and created Mail handlers and notification Schemes for JIRA. Automated setting up server infrastructure for the DevOps services, using Ansible , by writing shell and python scripts.
• Install and configure DHCP , DNS ( BIND , MS ), web ( Apache , IIS ), mail ( SMTP , IMAP , POP3 ), and file servers on Linux servers.
• Configured and integrated the servers for different environments to automatically provision and configuration management of Linux instances using CM / Provisioning tool Puppet

Environment: AWS, Linux, Perl, Python, Chef, Puppet, Jenkins, PHP, Ruby, Maven, JIRA, GIT, Grafana, SVN, Nexus, Nagios, JIRA, Java, ANT, RHEL 6.7/6.8/7.1/7.2 , Bash, C#, PowerShell, NT Command Shell.

Confidential

Build and Release Engineer

Responsibilities:

• Setting up the automation environment for Application team if necessary and help them through the process of Build and Release automation and automated deployments across all environments using Udeploy and Jenkins .
• Proposed and implemented several release processes to achieve consistent results and stabilities across environments Converting the ANT Build projects to Maven Build projects. Experience in development of build scripts using Ant , Maven .
• Administration/Maintenance experience of source control management systems, such as SVN . Managed Maven project dependencies by creating parent-child relationships between projects. Created Jenkins jobs and distributing load on Jenkins server by configuring Jenkins nodes, which will enable parallel builds.
• Performed automation of CI / CD pipeline in private cloud using Jenkins shared libraries and multibranch pipeline and automated the static code analysis through SonarQube in Jenkins pipeline for checking code quality.
• Experience in writing Puppet manifests and modules to automate the deployment process and to integrating Puppet manifests into Jenkins / Hudson jobs for a continuous delivery (CD)framework.
• Deployed Puppet , Puppet Dashboard and PuppetDB for configuration management to existing infrastructure. Used Puppet to manage Web Applications, Configuring Files and Database Commands, User Mount points and Packages.
• Setting up continuous integration and formal builds using bamboo with Artifactory repository.
• Developed Automation script to trigger push to production from JIRA , invoke Build in Bamboo and deploy to target servers. Resolved update, merge and password authentication issues in Bamboo and JIRA .
• Set up customized monitoring with Nagios & PNP4Nagios Graphs for the legacy and new 6penvironments.
• High exposure to REMEDY and JIRA tracking tools for tracking defects and changes for Change management. Administration of various flavors of Linux like RHEL , SLES , Centos and Unix servers (AIX) which included monitoring and troubleshooting of those servers in the day to day basis.
• Installing RedHatLinux using kickstart and applying security polices for hardening the server based on the company policies.

Environment: RedHat Enterprise Linux, Bamboo, Jenkins Subversion, Perforce, Nagios, ANT, Python, Puppet, CentOS, Ubuntu, Kickstart, VMware, Nagios, TCP/IP, NFS, DNS, SNMP, and DHCP.

Confidential

Linux Administrator

Responsibilities:

• Administered RedHatEnterpriseLinux 5.x/4.x, OEL 5.x, & Solaris 9 Servers by testing, tuning, upgrading, patching and troubleshooting both Physical & Virtual server problems. Build New virtual Machine and physical server IP bonding for load balancing and fail over, Firewall , SELINUX
• Performed server installation using Network-Based Kickstart and DVD on physical servers, VMware and OVM
• Created Linux Virtual Machines using VMware Virtual Center, creating VM Templates, and troubleshooting all Virtualization related issues. Migrated different projects from Perforce to SVN .
• Created Disk volumes, Volume groups and Logicalvolumes (LVM) for Linux operating systems. Installed and Configured ApacheTomcat Web Server
• Performed installation, configuration and administration of system network components (WindowsServer, ActiveDirectory, VPN connectivity, DHCP, SMTP, LAN/WAN, NAT, IPsecVPN, FTP, POP, IMAP, NIC's, WIC's).
• Involved in running LAMP ( Linux , Apache , MySQL , and PHP ) systems in agile quick scale cloud environment and Created Bash , shell , python scripts to monitor system resources and system maintenance.
• Created installed Web Logic Application servers and deployed WAR, JAR files on them installed on both Linux, Solaris servers.
• By integrating WLST scripts to Shell scripts, artifacts like WAR , EAR are deployed into WebLogic app server.
• Upgraded RedhatLinux OS on WebSphere , JBoss and Oracle database servers from V3, V4 to V5 Installed and configured Nagios
• Monitoring CPU , memory, iSCSI disks, disk controllers, physical disk, HW and SWRAID , multipath, file systems, network using the tool Nagios .
• Oracle EBS 12.2 work with Application Developers in Patching Oracle EBS to solve Service Request, Sysadmin administration, creating ebs user accounts, and assigning responsibilities.
• Hands on experience on patching and updating of Linux servers from the Satellite Servers, RedhatNetwork (rhn) and Solarisservers from the centralized repository and using Patch Update Manager.
• Responsible for setting up secure connection between remote servers using SSH and RLOGIN .
• Responsible for 24*7 on call support for troubleshooting production issues Configuration and administration of LDAP , NFS in Linux and implemented Samba for sharing of resources between Linux and Windows environments.

Environment: Linux, Ubuntu, RedHat, CentOS, Fedora, Debian, SUSE, VMWare, Solaris, WebLogic, WebSphere, JBoss, Tomcat, Unix, DNS, DHCP, Active Directory, LDAP, Windows, RAID, LAMP, SSH, telnet, Python, PHP, Shell, Nagios, SMTP, HTTP, FTP, Jira, Confluence, Vagrant

Confidential

System Administrator

Responsibilities:

• Installation, configuration, maintenance, Administration, and support on Solaris / Redhat Linux / SUSE Linux.
• Worked with DBA team for database performance issues, network related issues on Linux Servers.
• Administered using tools like SSH , Telnet & Rlogin , performed troubleshooting of DNS , DHCP & Activedirectory .
• Developed Perl and shell scripts for automation of the build and release process. Developed automation scripting in Python to deploy some applications.
• Maintain and administer ActiveDirectory Servers, including daily monitoring, troubleshooting and performance analysis and responsible for daily operational duties.
• Troubleshooting and administering High Availability using VERITAS Cluster Server on various business critical database & application production servers.
• Performed server updates, patching, upgrade and package installations using RPM and YUM . Managed patches configuration, version control, service pack and reviews connectivity issues regarding security problems.
• Knowledge of WIFI configuration and maintenance. Assisted with configuring Fortinet for Guest WIFI coach stores in laboratory environment. Monitor and troubleshoot LAN & WIFI connectivity. Operating and maintaining security controls for all internal & external WIFIIT systems as per customer guidelines / recommendations.
• Created analytical matrices reports for release services based on Remedy tickets. Responsible for configuring and managing Squid server in Linux .
• Performed daily system administration tasks like managing system resources, writing scripts, LVM management and end users support, manage operations and security issues
• Managing systems routine backup, scheduling jobs like disabling and enabling cronjobs , enabling system logging, network logging of servers for maintenance, performancetuning , testing . Jumpstart & Kick-start OS integration, DNS , DHCP , SMTP , Samba , NFS , FTP , SSH , LDAP integration.
• Monitored servers, switches, ports with Nagios monitoring tool. Made changes to the configuration files on clientservers and hostserver
• Developing scripts to be executed as checks by Nagios for execution in both Windows and Linux environments.

Environment: Linux, REDHAT, OPENSUSE, Ubuntu, Unix, HP-UX, Solaris, Windows, Veritas Cluster Server, VMWare, VMWARE ESX server, SSH, FTP, Kickstart, HTTP, DNS, DHCP, NFS, Korn Shell, Bash, Python, Bonding, Ethernet, LAN, Perl and LDAP directory.