SUMMARY

• Senior cloud/DevOps engineer with over 8+ years of extensive IT experience in Linux and windows system administrator worked on server - based operating system with a major focus on AWS, Azure, Data center migration, CI/CD pipeline, Build/release management and Virtualization technologies which also includes Troubleshooting and performance issues.
• Expertise in Azure infrastructure management (Azure Web Roles, Worker Roles, SQL Azure, Azure Storage, Azure AD Licenses, Office365). Virtual Machine Backup and Recover from a Services Vault using Azure PowerShell and Portal.
• Experienced on creating Azure VM, Cloud Services and Storages by using Azure Power-Shell Script. Used Azure BLOB to access required files and Azure Storage Queues to communicate between related processes and used Cloud Foundry Command Line Interface (CLI) to deploy and manage applications on to Pivotal Cloud Foundry PCF.
• Expertise in migrations and automation of Linux based servers (CentOS, RHEL, Ubuntu) and windows-based servers (2008R2, 2012R2) from on-premises to cloud platforms such as AWS and AZURE. Deployed Azure IaaS virtual machines (VMs) and Cloud services (PaaS role instances) into secure VNets and subnets.
• Experience in maintaining Amazon Web Services and Hands on experience in Architecting Legacy Data Migration projects such as Teradata to AWS Redshift, migration, Teradata to Snowflake Migration, AWSCloud from on-premises.
• Expertise in AWS services such as EC2, Load Balancer, Lambda, S3, RDS, DynamoDB, VPC, Route53, CloudFront, IAM, WAF, CloudFormation, Trusted Advisor, CloudWatch, CloudTrail, Code Build, Code Commit, Code Deploy, Code Pipeline, EC2 Container Service, EBS, Elastic Beanstalk, Security Groups, SNS, VPCs.
• Experience in Configuring Auto Scaling in customized VPC, based on elastic load balancer (ELB) traffic and using ELB health check to trigger auto scaling actions. Deployed Auto Scaling policies to scale up/down EC2 instances based on ELB health checks and created alarms to be used in auto scaling decision making policies.Familiar with AWS ACM and have installed SSL certificates on various Load Balancers.
• Extensive experience in AWS Lambda functions in python for AWS's Lambda which invokes python scripts to perform various transformations and analytics on large data sets in EMR clusters. AWS Elastic Beanstalk as Platform as a service (PaaS) to manage the AWS cloud environment.
• Experience in Configuring theOpenStack Keystone,glance,cinder,swiftandintegrated OpenStack(Icehouse) with OpenStack to create software-Defined-Networking tenant and service provider network and routers.
• Extensive experience in application deployment on PCF using CF push and Urban code deploy. Also, PCF backup for all the environments and set-up Jenkins maven build automation with uploads to Pivotal Cloud Foundry(PCF).
• Experience in configuring RDS instances using Cloud formations andTerraformand usedTerraformto map complex dependencies and identify network issue and focusing on high-availability, fault tolerance, and auto-scaling usingTerraformtemplates. And usedTerraformto write IAC to build Production environment inAzureCloud.
• Experience in deploying and configuring Chef Server including bootstrapping of Chef Client nodes for provisioning. Experienced in Chef, Ansible and OpenStack for Deployment on Multiple platforms and created roles, recipes, cookbooks and data bags for server configuration.
• Extensive experience in creating and deploying a tool to automate branch and project creation in GIT using Groovy in Jenkins file and Automating with Chef. Configuring Nginx, Apache tomcat through cookbooks. Working with CloudTrail. Created infrastructure in a coded manner (infrastructure as code) using Chef and Ansible for configuration management of virtual environments, and Vagrant for virtual machine and resource control.
• Experienced inAnsibleTower configuration, setup, and playbook setup. WrittenAnsiblePlaybooks for installing Software packages, web applications in Virtual Machines and AWS EC2 instances.
• Extensive experience on Ansible modules to deploy docker services on the docker swarm cluster for the entire microservices stack. Worked with Docker container snapshots, attaching to a running container, managing containers, directory structures and removing Docker images.
• Expertise in maintaining Docker containers and docker images for run time environment and worked with containerization tools, can implement transition to Docker and develop distributed cloud system using Kubernetes.
• Experienced in production-grade Kubernetes that allow enterprises to reliably deploy and run containerized workloads across private and public clouds. Managed Kubernetes charts using Helm. Created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and Managed releases of Helm packages.
• Experienced in OpenShift platform in managing Docker Containers, Kubernetes Clusters, and Mesos and implemented a production ready, load balanced, highly available, fault tolerant Kubernetes infrastructure and created Jenkins jobs to deploy applications to Kubernetes Cluster.
• Expertise in Continuous Integration for major releases in Jenkins. Created Pipeline in Jenkins by integrating Git and Maven Plugins. Created new build jobs in Jenkins admin console and configured global environmental variables.
• Experience in managing and maintaining the DevOps CD/CI pipeline using DevOps suite which includes Continuous Integration of Gitlab, Jenkins, JFrog Artifactory and XL Deploy. Automated and connected the Jenkins jobs with SonarQube to generate and publish the unit tests.
• Experience in Build virtual Linux server and Windows server using VMWare and Xen when needed for testing. Implemented sudo utility throughout the environment for ESB servers and documented the process. Resolved security vulnerabilities by recommending improvements in communications and network security at the component level.
• Experience in settingMavenrepository and pom.xml,Antbuild.xml, mojos xml.And usedAntscripts to perform the builds and wrote a few builds. Xml’s for application development teams and Fluency inscriptinglanguages like ruby,python, shell scripting, java scripting, bash, UNIX shell, Perl and PowerShell.
• Expertise in creatingPythonscripts to automate daily networking tasks (Ex. auto config generation, retrieving information from network devices, parsing data, etc.) - including a custom FortiGate firewall config
• Experience in using Nagios and New Relic monitoring system and different Bug Tracking Tools like Remedy, Jira, VSTS, ServiceNow and Clear Quest. Designed, deployed and coordinated with different teams to enhance ELK platform and took ownership of modern technologies. And experience in Splunk solution design, architect, deployment and configuration of Splunk components like forwarders, Indexers, Search heads etc.
• Experience in Red Hat EL using Kickstart and PXE on HP DL380 G3. Performed OS installations, OS Upgrades, & Server Patching by configuring PXE & DHCP server using Kickstart & Jumpstart scripts on Red Hat Linux 5.x, 6.x & 7.x.
• Experience in agile adoption, TDD, BDD, fostering self-management and facilitating timeboxed Scrum meetings, Sprint Planning, Daily Standup, Sprint Review, Retrospective, Backlog grooming.

TECHNICAL SKILLS

Languages: C, C++, Java, J2EE, .Net

Database: My SQL, Oracle, Dynamo DB, Mongo DB, Cassandra.

Web Technologies: HTML, CSS, XML, AJAX.

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

CI & Build Tools: Bamboo, Hudson, Jenkins, Maven, Ant, Gradle.

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

Virtualization: VMware ESX/ESXi, Windows Hyper-V, Power VM, Vagrant, Virtual box.

CM & Container Tools: Kubernetes, Docker, OpenShift, Puppet, Chef, Ansible.

Cloud: Amazon Web Services, Microsoft Azure (IaaS, PaaS & SaaS), PCF, OpenStack.

Testing & Ticketing Tools: Selenium, SonarQube, Jira, ServiceNow.

Monitoring Tools: Nagios, Splunk, Dynatrace, ELK, Datadog.

Web/Application Servers: JBOSS 4.x/5.x, Apache Tomcat 5.x/7.x, Web Sphere (4.0, 5.0), Web Logic (8/9/10).

Operating System: Red Hat Linux 7/6/5/4, Ubuntu 16/14/13/12, Debian, Fedora, CentOS, Windows 10/8/7/Vista/XP, Solaris 11/10/9/8, Mac OS.

Networking/protocol: TCP/IP, DNS, NFS, ICMP, SMTP, DHCP, OSPF, BGP, UDP and RIP.

PROFESSIONAL EXPERIENCE

Sr cloud /DevOps engineer

Confidential, NJ

Responsibilities:

• Worked in Azure Application in configuring monitoring for Application performance for Web applications, Synthetic transaction monitoring for Web pages.
• Created recommendations on how to duplicate a subset of on premise machines to the Azure Infrastructure as a Service (IAAS) offering which will be used for disaster recovery. This analysis included the specifics to synchronize on premise data with SQL Server and SharePoint instances hosted in VMs.
• Created and implemented ARM templates from a deployment, deployed the template using the portal, PowerShell, and usingAzurequick start templates and used cloud Infrastructure design and implementation utilizing ARM templates.
• Involved in configuring Cloud platform with Virtual Networks Multi-site, Cross-site, VMs, Azure AD, Load Balancers, Azure SQL and Cloud Services. Also Involved in design, installation, administration and optimization of hybrid cloud components to ensure business continuity with Azure AD, ADFS, SSO & VPN Gateways.
• Created Terraform templates for provisioning virtual networks, subnets, VM Scale sets, Load balancers and NAT rules and used Terraform graph to visualize execution plan using the graph command.
• Ensured successful architecture and deployment of enterprise grade PaaS solutions using Pivotal Cloud Foundry (PCF) as well as proper operation during initial application migration and set new development. Application Deployment on PCF using Build pack and Docker.
• Worked on creatingChef Recipes,Chef Roles,Templates,Attributes,Cookbooksand testing ofCookbooksusingFood Critic,Test Kitchen& running recipes on nodes managed by on-premiseChef Server.
• Experienced in build, design and maintain the platform automation usingChefand Involved in setting upChef Workstation, Nodes, Cookbooks, and Recipes usingRuby Scriptingand familiar withKnifein chef.
• Implemented Chef Recipes for Deployment on build on internal Data Centre Servers. Also re-used and modified same Chef Recipes to create a Deployment directly into Azure VM's
• Used Ansible and Ansible Tower as configuration management tool, to automate repetitive tasks, deploy applications and manage changes and automate software update and Verify functionality.
• Created Ansible playbooks to automatically install packages from a repository, to change the configuration of remotely configured machines and to deploy new builds. Configured the Ansible playbooks with Ansible Tower so that other users can run them with just a push of a button.
• Managed Kubernetes charts using Helm. Created reproducible builds of the Kubernetes applications, Kubernetes manifest files and releases of Helm packages.
• Developed Docker Images to support Development and Testing Teams and their pipelines, distributed Jenkins, Selenium and JMeter images, Elasticsearch, Kibana and Logstash (ELK & EFK).
• Integrated Docker container-based test infrastructure to Jenkins CI test flow and set up build environment integrating with Git and Jira to trigger builds using Webhooks and Slave Machines.
• Integrated Jenkins CI with GIT version control and implemented continuous build based on check-in for various cross functional applications and created GitHub Webhooks to setup triggers for commit, push, merge and pull request events.
• Developed and implemented complicated Jenkins declarative pipeline-based build jobs leveraging distributed Dockerized system to increase build efficiency of main mission critical application to cut downCI/CDtime to half.
• Worked with MAVEN as a build tools on java projects for the development of build artifacts on the source code. Maintained build related scripts developed in shell for Maven builds, created and modified build configuration files including POM.xml.
• Used GIT as source code management tool, creating local repo, cloning the repo, adding, committing, pushing the changes in the local repositories, saving changes for later (Stash), recovering files, branching, creating tags, viewing logs, pulling latest commits, etc.
• Created an Azure virtual network portal and using withPowerShell, deployed a VM into a virtual network, modify IP addresses, configured the DNS and NSGs. Create the Virtual Machine cluster and load balance for VM's usingPowerShellin SQL & Windows Environment.
• Automating various activities using scripting languages like Perl, Python, Ruby, PowerShell based on the requirements.
• SecuringMongoDB using authentication andconfiguring, implementing and supporting High Availability withLoad balancing cluster ofMongoDBhaving TB’s of data.
• Improved infrastructure that effectively and efficiently utilizes the Microsoft Azure Windows server 2008/2012/R2, Microsoft SQL Server, Microsoft Visual Studio, WindowsPowerShell, Cloud infrastructure.
• Implemented using Splunk for log analyzing and improving the performance of servers. Wrote several custom Splunk queries for monitoring and alerting. Prepared Daily, Weekly and Monthly Reports for Business according to requirement usingSplunk and reported to Business.
• Configured and managed ELK stack to collect, search and analyze log files across the servers and created optimized indexes and derived analytics on Elasticsearch data.

Environment: VMware, Azure, Pivotal Cloud Foundry (PCF), Elasticsearch, Logstash & Kibana (ELK), Chef, Puppet, Ansible, Maven, Jenkins, Terraform, Python, Ruby, JIRA, Splunk, Oracle, WebLogic Server 11g, Apache Tomcat, Docker, Kubernetes, VMware, Nexus, .Net, LDAP, JDK1.7, GitHub.

Cloud /DevOps engineer

Confidential, Denver, CO

Responsibilities:

• Managing Cloud Services using AWS Cloud Formation, which helped developers and businesses an effortless way to create a collection of, related AWS resources and provision them in an orderly and predictable fashion.
• Maintained the user accounts (IAM), RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS and SNS services in AWS cloud.Collaborated in the automation of AWS infrastructure via Terraform and Jenkins - software and services configuration via chef cookbooks.
• Responsible for day to day Build and deployments in Dev, QA, pre-production and production environments. Implemented AWS high-availability using AWS Elastic Load Balancing (ELB), which performed balance across instances in multiple availability zones.
• Implemented a centralized logging system using log stash configured as an ELK stack (Elastic search, Log stash, and Kibana to monitor system logs, AWS Cloud Watch, VPC Flow logs, Cloud Trail Events, changes in S3 etc.
• Maintained DNS records using Route53 to Improve Fault Tolerant Connections and using Load balancer, Security groups and NACLS. Created snapshots and Amazon machine images (AMI) of the instances for backup and creating clone instance.
• Built and configured a virtual data center in the Amazon Web Services cloud to support Enterprise Data Warehouse hosting including Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, Elastic Load Balancer.
• Built and managed a large deployment of Red Hat Linux instances systems with Ansible, Terraform Automation and provision virtual servers using vagrant and kitchen in Oracle VM virtual box, provisioned servers in Amazon EC2.
• Designed and hosted applications through Terraform as infrastructure as code, execution plans, resource graph and change automation.
• Wrote Terraform scripts to automate AWS services which include Web servers, ELB, Cloud Front distribution, Database, EC2, database security groups and S3 bucket.
• AutomatedDatadogDashboards with the stack through Terraform Scripts. Configured CloudWatch and Datadog to monitor real-time granular metrics of all the AWS Services and configured individual dashboards for each resource Agents.
• Build the OpenStack cloud platform components like Nova-Compute, Neutron-Networking, Swift-Object Storage, Glance- Image Service, Cinder-Block Storage, Horizon Dashboard and Keystone-Identity Service and so forth.
• Involved in OpenStack environments to create and manage users using Keystone and VM management using OpenStack, volume management using Cinder, network and port management using Neutron.
• Worked in Setting up Chef Workstation, Bootstrapped instances using Chef and integrating with Auto Scaling. Wrote Chef Cookbook/Recipes using Chef Resources, Ruby DSL, Chef Handlers Report and Exception, Test Kitchen, ChefSpec and Vagrant.
• Maintained automated environment using Chef Recipes & Cookbooks within AWS and involved in Knife and Chef Bootstrap process, converted production support scripts to chef recipes and AWS server provisioning using chef recipes.
• Used Ansible playbooks for virtual and physical instance provisioning, configuration management, patching and software deployment. Implemented Ansible to manage all existing servers and automated build/configuration of new servers.
• Created playbooks for OpenStack deployments and bug fixes with Ansible. Deployed and tested playbooks in Docker containers before pushing changes in Git.
• Used Vagrant and Docker based container deployments to create self-environments for dev teams and managed the clusters using Kubernetes. Evaluated Kubernetes for Docker Container Orchestration. Created and managed a Docker deployment pipeline for custom application images in the cloud using Jenkins.
• Container management using Docker by writing Docker files and set up the automated build on Docker HUB and installed and configured Kubernetes.
• Implemented Continuous Integration using Jenkins and GIT from scratch. Developed build scripts using ANT/MAVEN as the build tools for the creation of build artifacts like war or ear files.
• Dealt with errors in pom.xml file to obtain appropriate builds using Maven build tool. Used sub modules in the GIT and educated users working with sub modules in GIT.
• Developed and scheduled bash shell scripts for various activities (deployed environment verification, running database scripts, file manipulations, Subversion (SVN) etc.) Worked with different bug tools like JIRA, IBM Clear Quest.
• Built and managed a highly available monitoring infrastructure to monitor different application servers and its components using Nagios with chef automation. Involved in editing the existing ANT files in case of errors or changes in the project requirements.
• Created scripts for system administration using languages such as Bash, PowerShell,Python, Ruby and XML. Also developed and maintained shell scripts for build and release ELK, NAGIOS and CloudWatch tasks.
• Threat modeling, especially for web application and web APIs. Working knowledge of using WebSphere App servers, Tomcat in building and deploying applications.Build high performance web services, using languages such as python.
• Build and deployment of Java applications on to different environments such as QA, UAT and Production.
• Performed kernel tuning, hardening and performance tuning for different web related applications on Red Hat EnterpriseLinuxand CentOS. Involved in applying new patches and packages forLinuxServers and Configured RedHatLinuxKickstart Servers.

Environment: AWS EC2, S3, Route53, EBS, IAM, ELB, Cloud watch, ALM, VDI, Linux, Puppet, Git version Control, OpenShift, open stack, AWS CLI, AWS Auto Scaling, Maven, Nagios, Subversion, Jenkins, Unix/Linux, Shell scripting, Terraform, Docker.

DevOps Engineer

Confidential

Responsibilities:

• Cloud AWS Engineer project teams that involved different development teams and multiple simultaneous software releases.
• Responsible for using AWS Console and AWS Command Line Interface for deploying and operating AWS services specifically VPC, EC2, S3, EBS, IAM, ELB, Cloud Formation and Cloud Watch.
• Worked on Multiple AWS instances, set the security groups, Elastic Load Balancer, and AMIs, Auto scaling to design cost-effective, fault tolerant and highly available systems.
• Handled several Docker components like Docker Engine, Hub, Machine, Compose and Docker Registry and experience with Docker container service and Dockerized applications by creating Docker images from Docker file and running them to create the Docker containers and Docker consoles for managing the application life cycle.
• Worked on installation of Docker using Docker toolbox. Worked on creation of custom Docker container images, tagging and pushing the images. Used Docker-compose file while deploying Docker container configurations and maintaining the image repo for development teams.
• Installed Workstation, Bootstrapped Nodes, Wrote Recipes and Cookbooks and uploaded them toChef-server, Managed On-site OS/Applications/Services/Packages usingChefas well as AWS for EC2/S3&ELB withChefCookbooks.
• Worked with Ansible for Orchestration of Deployments for various servers. Created custom Ansible modules for use in deploying replicated database hosts.
• Involved in writing various Custom Ansible Playbooks for deployment orchestration and developed Ansible Playbooks to automate day-to-day server administration tasks.
• Responsible for managing and maintaining the DevOps CD/CI pipeline using DevOps suite which includes Continuous Integration of Gitlab, Jenkins, JFrog Artifactory and XL Deploy.
• Implemented and maintained maven and npm builds for generating artifacts required by java and windows-based applications.
• Integrating GIT into Jenkins to automate the code check-out process. Responsible for design and maintenance of the GIT Repositories and performed all necessary day-to-day GIT support for different projects.
• Created and maintained builds using ApacheANTandMavento perform builds efficiently on Jenkins, Build Forge. Created and setup automated nightly build environment.
• Managed builds and made necessary changes toAntbuild scripts for Java/ Web-sphere based applications.
• Developed build and deployment scripts usingANTandMAVENas build tools in Jenkins to move from one environment to other environments.
• Worked on creating and implementing application monitoring, and logging strategies using Elk stack on AWS and performed Log Analysis.
• Ensured system security, backup/restore, Disaster Recovery, performance checked, troubleshoot on UNIX (CentOS, Red Hat Linux/AIX) Systems.
• Administrative tasks such as System Start-up/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out and Installation and configuration of Oracle 10.x/11. x.
• Worked as System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX Red Hat Linux Systems. Implemented Migration from VMWARE to AWS using VMDK Import tools.
• Included working in VMware Orchestrator, VMware vRealize Automation 6.0 (VRA), catalog management, creating cloud server provisioning entitlements, creating and defining business groups, creating catalog items, creating services for the catalog items, creating Windows and Linux (Red Hat 6) blueprints.
• Performance Tuning and Management for Linux/AIX server and working with the application/database team to resolve issues.

Environment: Amazon Web Services(AWS),CloudFormation, Chef, Jenkins, Nginx, Nagios, Docker, Maven/ANT, PowerShell Scripting, Puppet Hiera, Puppet DB, Linux, VMWare Servers, Udeploy, Shell scripting, Bash, GIT/ SVN, Splunk, ELK, Apache Mesos, Linux/RHEL, Windows, Python, LVM, RPM’s.

Build and release engineer

Confidential

Responsibilities:

• Creating the automated build and deployment process for application, re-engineering setup for better user experience, and leading up to building a continuous integration system for all our products.
• Implementing new projects builds framework using Jenkins & Nant build framework tools.
• Implementing a Continuous Delivery framework using Jenkins, Nant in Linux environment.
• Responsible for Design of different Release Environments for new projects and Database build, release and configuration for nightly and weekly builds for different modules.
• Wrote puppet manifests for deploying, configuring and managing collected for metric collection and monitoring. Developed Puppet modules to automate deployment, configuration and lifecycle management of key clusters.
• Experience in automating deployments using Ant, Maven, Gradle, Shell scripts, Jenkins, Bamboo, Puppet. Migrated all the existing ANT built projects to MAVEN and automated the build process using continuous integration.
• Configured bamboo Remote agent on Windows Platform to perform .Net Applications Builds. Performed Remote Deployments from Bamboo Remote Agent to different IIS Environments using MS Deploy.
• Configured Bamboo- Artifactory plugin to upload the artifacts on to Artifactory after the build.
• Packaged the Java applications using Maven and Ant Build Scripts. Defining Release Process & Policy for projects early in SDLC.
• Worked on high-volume crash collecting and reporting system, built with Python. Performed dispatcher role to distribute tasks assigned to the onshore team.
• ConfigureNagiosfor all the mission critical applications and usingNagioseffectively for Application troubleshooting and monitoring post go lives.
• Perform Deployment of Release to various QA & UAT in Linux environments. Scripting in multiple languages on UNIX, LINUX and Windows - Batch, Shell script etc.
• Designed systems utilizing Sun Solaris 10, Red Hat Enterprise Linux 6 and AIX 5L. Significantly increased storage space, analyzed and matched workloads to a cost-effective solution.
• Work with different team members for automation of Release components.
• Resolved system issues and inconsistencies in coordination with quality assurance and engineering teams.

Environment: Agile, Linux, RHEL, SELS, AIX, SVN, Perforce, KVM, Puppet, Bash Scripting, Python, ANT, Bamboo, JBoss, SonarQube, Artifactory Application Servers, Windows, WebSphere Application Server, Python, Nagios, Splunk.

Sr. Linux System Administrator

Confidential

Responsibilities:

• Installed/configured/managed/Administrated of all UNIX servers includes the design and selection of relevant hardware to support the installation/upgrades of Linux, Windows and Solaris8/9/10(SPARC & X86 hardware) operating systems.
• Performed hardware, operating system, security and application updates/patches on these systems as well as operating system hardening based in industry standards.
• Configured Jumpstart server for Solaris 10, Kickstart server for RedHat Linux, operating system image installations through Network.
• Installing, Configuring and deploying of VMware RHEL hosts using VMware ESX Server, VI, Xen.
• Implemented SUDO, SSH and other security tools and implemented SOX (Sarbanes Oxley) security compliance.
• Used Solaris Volume Manager to mirror the root disks and Logical Volume Manager to create physical volumes, logical volumes and file systems.
• Installed, configured, and managed virtual machines using VMware ESX 3.5, XenVirtualization (vir-install & vir-manager).
• Installed and configured Veritas NetBackup 6.5 for performing backups using GFS schedule. Performing Backup on Remote Servers and on SCSI and Fiber attached Tape Drives.
• Developed Cron jobs and Shell Scripts and automated administration tasks like file system management, process management, backup and restore.
• Monitoring of network services (SMTP, POP3, HTTP, NNTP, PING, etc.) using Nagios.
• Installed/Configured Apache-tomcat and Jboss and tuning performance and configured Send mail as relay server for internal mail forwarding.
• Troubleshooting of storage and server related hardware and software requests in a complex SAN environment.
• Configured/Maintained/Troubleshooting the Networking servers NFS, SMB and Spool server.
• Monitored systems performance, provided systems performance tuning for Oracle database.

Environment: Solaris 9, 10, RHEL 3, 4.x, 5.x, AIX Version 5.1, 5.2,5.3,6.1, Veritas Storage Foundation 5, Veritas Cluster Server 5, Windows 2003 Oracle 10/11g, Nagios, Apache 2.x, IIS, HTTP, FTP, VMware.

Linux administrator

Confidential

Responsibilities:

• Interfaced with Development and System Test to install, configure and troubleshoot Tektronix IRIS software on Linux and Solaris platforms.
• Familiar with Solar Winds software used to manage IP addresses and Men and Mice for DNS configurations.
• Experienced in all aspects of networking including cabling, IP configuration and remote access.
• Maintained and monitored Linux/Unix servers ensuring a stable environment.
• Install packages and provide application support on multiple projects on daily basis.
• Responsible for uptime, performance, reliability, scalability, security of pre-production servers.
• Remediate numerous server issues and vulnerabilities, install patches.
• Responsible for server builds including configurations, upgrades and patch management for Linux/Unix platforms.
• Experienced with Linux kickstart OS installs and ISO image installs.
• Solid knowledge of Linux/Unix command line and scripting.
• Worked with outside vendors on implementation of network switches, load balancers, and traffic generators within the existing configuration.
• Setup and maintained NFS, NIS network, configured DNS and LDAP Server.
• Involved in Installing and upgrading Red Hat Linux.

Environment: Red Hat Linux, Autosys, CentOS, VMware vSphere, VMware, GIT, Shell Scripting, MySQL, Tomcat, Nagios.