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Devops/cloud Engineer Resume

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Richmond, VA

SUMMARY

  • Over 8+ years of IT experience as DevOps Engineer, Build & Release Engineer and System Admin worked on Ansible, Chef, Nagios, GIT, Jenkins, AWS, Terraform, Atlassian Stack (JIRA/Confluence)
  • Experience as a Build and Release Engineer in automating, building, deploying and releasing of code from one environment to another environment
  • Experience with AWS Cloud platform and its features which includes EC2, VPC, ELB, SNS, SQS, RDS, Kinesis, Lambda, Route53, Cloud Watch, Cloud Formation, Cloud Front, Auto scaling, IAM, S3 and Glacier
  • Worked on Jenkins for continuous integration for all builds and deployments
  • Prioritized the tasks and assigned the work to corresponding team and ensure the end - users continue with their work smoothly without any issues
  • Application deployments & environment configuration using Ansible, Chef
  • Good Knowledge of Bash, YAML
  • Extensively worked on Jenkins for continuous integration and for End-to-End automation for all Build and deployments
  • Excellent troubleshooting and debugging skills
  • Experience usingTerraformfor Server Provisioning
  • Familiar with project management tools JIRA and Confluence
  • Extensively worked on Artifactory and Nexus Repository Managers to deploy software built through Jenkins Build Jobs.
  • Supported continuous Integration and automated deployment process by implementing cronjobs in GitLab releases.
  • Developed GIT hooks for the local repository, commit, pull and push code to remote repositories in GitHub.
  • Set up CI (Continuous Integration) for major releases in Jenkins and docker to automate most of the build related tasks.
  • Utilizing AWS Lambda as Micro Services and API gateways to flexible scaling, easy Deployment and Resilience.
  • Created build pipeline, continuous integration and test automation framework utilizing such tools asTerraform, Git, API Gateway, and Jenkins.
  • Prepared prototype for performing CRUD operations in Python with PostgreSQL9.6 using psycopg2 adapter
  • Expertise in administering and supporting the version control tools including GIT
  • Expertise in scripting Cloud formation templates to build infrastructure
  • Automated containerized deployments of the application into Docker containers thus allowing access to the application at multiple-test sites
  • Imported and managed multiple corporate applications into GitHub code management repo.
  • Responsible for migration activities that includes migrating COBOL code to JAVA and DB2 data to ORACLE
  • Good Interaction with developers, managers, team members to coordinate job tasks and strong commitment to work.
  • Worked on Fireeye to reduce complex configurations and deploying the customizable views and workflows
  • Deploying the Fireeye agent into multiple environments for installation of management agent with Domain admin credentials
  • Automate deployment and Cleanup by usingAnsibleand managing all aspects of the software configuration management process.
  • Installing the Splunk Light Weight Forwarders, Forwarders, Indexers, Search Heads after configuring the files like Output.conf, input. conf etc. Managing Splunk licenses etc.
  • Installed JIRA and Configured workflows, managed work tickets, installed plugins to optimize the JIRA Ticketing system
  • Analyze and resolve conflicts related to merging of source code for GIT.
  • Day to day jobs included but not limited to handling Tickets, Monitoring, Troubleshooting and maintenance of Linux and Window systems
  • Ability to communicate requirements effectively to team members and manage applications.
  • Provided 24/7 on call support on Linux Production Servers. Responsible for maintaining security on Redhat Linux.

TECHNICAL SKILLS

Operating Systems: Sun Solaris 7/8/9/10/11, RHEL/CentOS 5.x/6.x/7, Windows Server 2003/2008/2012

Virtualisation: Virtual Box, VMware Vsphere 5.5 /6.0

Languages: Shell, Bash, Perl, Ruby, Python

Databases: MySQL, MongoDB, Cassandra, PostgreSQL, SQL Server

Web/App Server: Apache, IIS, HIS, Tomcat, WebSphere Application Server, JBoss

Bug Tracking Tools: JIRA.

Version Control Tools: Subversion, GIT, Tortoise SVN, Visual SVN

Web Technologies/Programing Languages: Servlets, JDBC, JSP, XML, HTML, .Net, Java Script, Java/J2EE, C, C++, Ruby, Perl scripting, Python, Shell scripting.

PROFESSIONAL EXPERIENCE

Confidential - Richmond, VA

Devops/Cloud Engineer

Responsibilities:

  • Design, build and deploy a multitude of applications utilizing almost all the AWS, including EC2, S3, Elastic Beanstalk, Elastic Load Balancing, Auto Scaling, RDS, VPC, Route53, Cloud Watch, Snapshots and IAM, focusing on high availability and fault tolerance.
  • Working with an agile development team to deliver an end-to-end continuous integration/continuous delivery (CI/CD) product in an open-source environment usingAnsibleandJenkinsto get the job done.
  • Build and release the Linux and Windows AMIS across all departments with the user data what they required and Jsons will be updated.
  • Troubleshooting the Jenkins Job when there is an error while building the AMI.
  • Implement continuous integration methods usingJenkins, these include - pull request builder, automatic build and unit testing, source code analysis, merge and perform deployable release builds.
  • Use agile methodology throughout the project. Involve in weekly and daily bases release management.
  • Implement AWS solutions like EC2, S3, Elastic Load Balancer (ELB) and RDS in Cloud Formation JSON templates and familiar with elastic bean stalk to deploy the code, monitor the health of the instances and build through CloudWatch.
  • Set up alarms and notifications for EC2 hosts using Cloud watch whenever there is a high traffic for Prod Environments.
  • Implement a Continuous Delivery pipeline with Docker, Jenkins and GitHub and AWS AMI’s.
  • ConfiguredAnsibleto manageAWSenvironments and automate the build process for core AMIs used by all application deployments including Auto Scaling and Cloud Formation Scripts.
  • Connected continuous integration system withGITversion control repository and continually build as the check-in’s come from the developer.
  • Create and manage Docker deployment pipeline for custom application images in the cloud using Jenkins.
  • Create Docker images using Docker file, work on Docker container snapshots and manage Docker volumes.
  • Automate various infrastructure activities like Continuous Deployment, Application Server setup, Stack monitor using Ansible playbooks and Integrate Ansible with Jenkins
  • Work with Configuration Management automation tool Ansible and work on integrating Ansible YAML Scripts.
  • Use Kubernetes to deploy scale, load balance, scale and manage docker containers with multiple namespace versions.
  • Use GIT as a source code repository for branching, parsing, pushing, and pulling the source code day to day basis.
  • Automated thereleasepipeline to achieve zero touch deployments using Jenkins, GIT
  • Work with yum and rpm package managers to install and update the packages and patch them whenever required.
  • Involve in Linux system administrator, System Builds, Server Builds, Installations, Upgrades, Patches, Migration, Trouble shooting.
  • Write shell script and python script for build automation and deployment.

Confidential - Malvern, PA

Devops Engineer/ Site Reliability Engineer

Responsibilities:

  • Configuring and deploying instances on AWS environment and Data centers, also familiar with EC2, Cloud watch, Elastic Search and managing security groups on AWS.
  • Designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
  • Experienced in Amazon EC2 setting up instances, virtual private cloud (VPC) and security groups and Created monitors, alarms and notifications for EC2 hosts using Cloud Watch.
  • Provide highly durable and available data by using S3 data store, versioning, lifecycle policies, and create Amis for mission critical production servers for backup and configured S3 bucket to host static website that includes static content.
  • Maintained the user accounts (IAM), RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS and SNS services in AWS cloud.
  • Worked on creation and managing IT infrastructure and application stack using AWS Cloud Formation and writing the template file using JSON.
  • Wrote Ansible playbooks and securing a server with Ansible and Provisioning, deployment with Ansible and Worked on developing Ansible Go Scripts for automating regular tasks and Worked on playbooks for Ansible in YAML scripting
  • Deploying multi-stack software builds to various environments (VMs, Cloud instances, etc.) using automation tools like Ansible and Chef, minimizing downtime.
  • Extensively involved in infrastructure as code, execution plans, resource graph and change automation using Terraform. Managed AWS infrastructure as code using Terraform. Used terraform to implement auto scaling, cloud watch in Jenkins.
  • Integrated various Version control tools, build tools, nexus and deployment methodologies (scripting) into Jenkins to create an end to end orchestration build cycles.
  • Hand-on experience in SSO integration between Local User repository (like LDAP) of local data centre and AWS IAM using SAML.
  • Involved in verifying stability, interoperability, portability, security, or scalability of system architecture and cloud infrastructure. Documenting design specifications, installation instructions, and other system-related information.
  • Involved in Testing, maintain and recommend software improvements to ensure strong functionality and optimization. Independently install, customize and integrate commercial software packages.
  • Working with vendor to integrate SNOW and venafi to develop automated processes for IAM/LSTS certs.
  • Working on certificate request fulfilment workflow (on service now) currently uses an API to retrieve credentials from ID vault, which is a manual process converting to automate these steps.
  • Deployed WAR, JAR, EAR applications in WebLogic servers from development to testing and production environments.
  • Configured Clusters, load-balancing and fail-over solutions and Web Server plugins for WebLogic application server. Installed and Configured of F-5 / BIG IP Load Balancer to work with WebLogic Server.
  • Deployed applications on multiple WebLogic Server instances and maintained Load balancing High availability and Fail over for the servers.
  • Duties included monitoring and managing performance of ESXi servers and VMs using Virtual center server for HA, DRS, installing and configuring ProxySG.
  • Experience in setting up Upstream and Downstream Jobs in Jenkins and involved in managing the Jenkins Pipelines, Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain as a CI/CD process.
  • Automated Weekly releases with ANT/Maven scripting for Compiling Java Code, Debugging and Placing Builds into Maven Repository.
  • Implementing a CI/CD (Continuous Integration /Continuous Delivery) framework using Jenkins, Maven & Artifactory in Linux environment and Integration of Maven/Nexus, Jenkins, Git, Confluence, Jira and Cloud Foundry.
  • Worked with Docker Management platform, leveraged Custom Docker Images as Containerized Apps within the Docker Engine as Multi Stack Application like LAMP.
  • UsedAnsible /AnsibleTower as Configuration management, to automate repetitive tasks, quickly deploy critical applications, and proactively manages change and wrote Python Code usingAnsiblePython API to Automate Cloud Deployment Process.
  • Implemented Continuous Integration by integrating with different tools like Maven, GIT, SonarQube, Nexus with Jenkins.Involved in Installing Jenkins on Linux environment and implemented master - slave configurations to run multiple build operations in parallel.
  • Deliver Docker container deployment mechanism to decrease cost of teams building their own continuous delivery pipeline.
  • Day to day activities like building and deploying code in different environments like DEV, SIT, UTA, Pre-Prod and Prod using Jenkins, Docker, Kubernetes and ARM, CHEF and Ansible.
  • Automated deployments, scaling, and operations of application containers across clusters of hosts, provided container-centric infrastructure by Kubernetes.
  • Experience in installation and configuration management tools like Ansible on various servers and good understanding of Ansible for configuration and managing computers, combining multimode software deployment, ad hoc task execution and configuration management.
  • Wrote Ansible playbooks which is the entry point for Ansible provisioning, where the automation is defined through tasks using YAML format. Run Ansible Scripts to provision Dev servers.
  • Worked on web servers like Apache and application servers like Web logic, Tomcat, WebSphere, JBOSS to deploy code and Integrate with (CI) for End-to-End automation for all build and deployments.
  • Installation & Configuration of Web servers like Apache 2.2 and Application servers like Tomcat7 on the existing Linux servers to fulfill the needs of Development teams.
  • Developed PowerShell Scripts for Active Directory management of Users/Groups and for VM Machines & VM Host reporting.
  • Used PowerShell advanced function features, extensive error handling, and logging and created PowerShell scripts to perform alerting, reporting, monitoring and routine maintenance for domain resources.
  • Developed Shell scripts, Python scripts to automate various day to day tasks.
  • Highly experienced with UNIX Administration, EMC Storage Administration, Enterprise Hardware Troubleshooting and Capacity Planning.
  • Integrated software components and third-party tools like crowdstrike and fireeye, verify and deploy software’s and systems according to the client requirements.
  • Involved in complete Administration tasks on UNIX (SUN Solaris, Red HatLinux) and documentation for the projects executed.
  • Experience in installing, configuring and monitoring, Veritas Cluster Server (VCS), Sun Cluster Server, HP Service Guard, Red hat Cluster Server in High Availability Environment.
  • High-availability and fault tolerant system design concepts and has Good experience in creating physical volume, logical volume, volume groups using LVM's in Linux.
  • Involved in institutionalizing Splunk forwarder arrangement, design and support across UNIX and Windows platforms.
  • Designing and maintaining production-quality Splunk dashboards. Expert in installing and using Splunk apps for Unix and Linux (Splunk nix) & Linux scripting (SH, BASH, KSH).
  • Experienced in configuration of file sharing servers like NFS, FTP, SAMBA, SFTP and mail servers such as Postfix server, Send mail server.
  • Created and maintained Bamboo software build plans building Java applications using Maven.
  • Configured, Maintained and customized JIRA and Confluence as per the requirements to promote team co-ordination and Ticketing system.

Confidential - Houston, TX

Devops Engineer/Systems Engineer

Responsibilities:

  • Providing security to organization governance by integrating public cloud to 3rd party security tools to check and see any vulnerabilities and phishing activities.
  • Migrating complex, multi-tier applications on Cloud Platforms. Designing and deploying enterprise-wide scalable operations on Cloud Platforms.
  • Automating daily tasks using complex scripts to install, configure and deploying the applications in cloud infrastructure.
  • Contributed software engineering expertise in the development of products through the software lifecycle, from requirements definition through successful deployment.
  • Facilitated customization of systems by encouraging software engineering team to adopt emerging standards for software application development architecture and tools.
  • Experience in setting up Upstream and Downstream Jobs in Jenkins and involved in managing the Jenkins Pipelines, Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain as a CI/CD process.
  • Automated Weekly releases with ANT/Maven scripting for Compiling Java Code, Debugging and Placing Builds into Maven Repository.
  • Troubleshoot the build issue during the Jenkins build process and Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
  • Researched and developed Apache 2.2 SSL proxy front end proof of concept that provides SSL encrypted communications between our Tomcat 7 servers and our Apache front ends.
  • Done with certification of Symantec ProxySG administration which includes basic, advanced and troubleshooting for the latest version of ProxySG 6.6.
  • Experienced in Amazon EC2 setting up instances, virtual private cloud (VPC) and security groups and Created monitors, alarms and notifications for EC2 hosts using Cloud Watch.
  • Setup Elastic Load Balancer (ELB) for distributing traffic among multiple Web Logic servers and Involved in deploying the content cloud platform on Amazon Web Services(AWS) using EC2, S3 and EBS.
  • Implemented and maintained the monitoring and alerting of production and corporate servers/storage using AWSCloudwatch / Splunk.
  • Launched LAMP stacks in multitier AWS instances in different subnets in Amazon VPC, attached ACL's and Security Groups to maintain high security
  • Installed and configured Jenkins for Automating Deployments and providing an automation solution and Integrated GitLab into Jenkins to automate the code checkout process.
  • Created and configured the continuous delivery pipelines for deploying micro services and lambda functions using Jenkins CI server. Installed and administered Artifactory repository to deploy the artifacts generated by Maven and to store the dependent jar used during the build.
  • Integrated Jenkins with SVN source code repository and maintained builds continuously when the developer check-in their code and Managed Jenkins plugins for Tests, Reports, Notification, User Authorization and Deployment.
  • Branching and merging code lines in the GIT and resolved all the conflicts raised during the merge.
  • Coordinate/assist developers with establishing and applying appropriate branching, labeling/naming conventions using Subversion (SVN) and Git source control.
  • Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain, SVN/GIT with Dev/Test/Prod Branching Model for weekly releases. Analyzed the static and dynamic code analysis using the SonarQube and stored successful builds in binary repositories like Nexus.
  • Deployed and configured GIT repositories with branching, forks, tagging, merge requests, and notifications.Converted and automated builds using Maven and Ant. Scheduled automated nightly builds using Jenkins.
  • Extensively used Docker for virtualization, Ship, Run and Deploy the application securely for fasten the Build/Release Engineering.
  • Deployed applications using Docker containers in the cloud with Paas for automated provisioning and deployment, integrated SVN, Jenkins and Chef.
  • Created several scripts/apps to monitor and administer all docker containers. Implemented several Tomcat, JBOSS Instances by using the Docker Engine for running several Containerized AppServers. Worked on Docker Hub for sharing and managing application stacks.
  • Installed and deployed Docker Engines in Virtualized Platforms for containerization of multiple apps and configure Docker Swarm and Kubernetes.
  • Writing 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 Amazon EC2 instances.
  • Established Chef Best practices approaches to system deployment with tools with vagrant and managing Chef Cookbook as a unit of software deployment and independently version controlled.
  • Designing and implementing fully automated server build management, monitoring and deployment by using Technologies like Puppet.
  • UsedPuppetserver and workstation to manage and configure nodes. Deployed Puppet for configuration management to existing infrastructure.
  • Creating manifests and deploying using Puppet to completely provision the server. Created Custom Puppet modules for bootstrapping new servers with required application dependencies and packages.
  • Maintained Puppet servers and management application that can use ServiceNow (CI) data to bring computers into a desired state by managing files, services or packages installed on physical or virtual machines.
  • Used Puppet to manage Web Applications, Config Files, Data Base, Commands, users Mount Points, Packages. Deployed Puppet, Puppet Dashboard and Puppet DB for configuration management to existing infrastructure.
  • Worked closely with developers to define and configure application servers, virtual hosts, web applications, web resources, back-end resources as well as deployment of EJBs across multiple instances of WebSphere.
  • Deployed applications (Web-Based) on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality (disaster recovery).
  • Involved in building and deploying EAR/WAR files with configuration settings. Deployed the archives to Apache Tomcat web server and Web Sphere Application Servers and Configured application servers JBOSS, WEB LOGIC to deploy the code for different environments.
  • Enabled Security Socket Layer (SSL) by requesting and generating digital certificates for implementation of HTTPS between Plug-in and Application Server.
  • Installed, configured and administered Apache web servers and deployed applications on Tomcat Server and maintained Load balancing, High availability and Fail over functionality.
  • Experience in configuring monitoring tools like Zabbix for Network Monitoring, Nagios for System monitoring, Splunk for Application performance monitoring and monitoring tools like ELK.
  • Design, architect, and implement infrastructure services including DNS, SVN, NFS, MySQL, Apache and Zabbix.
  • Planning, installation, configuration, management and troubleshooting of Red Hat Enterprise Linux platform Hands on Experience in Red hat Enterprise Linux and Kick start PXE installation.
  • Managing User Accounts and Groups, Managing Files, Directories, Package/Patch Management and Configuration, Managing Services, Volume Management.
  • Effective Use of RPM and YUM utilities to install third party packages and patches from Patching Server and Red Hat Satellite Server.
  • Scheduled Jobs using CRONTAB and AT Utility and wrote shell scripts to automate System Process.
  • Troubleshooted and resolved application issues escalated from end users. Processed large batches of data on daily and weekly basis.
  • Executed User management, Process management, Log management, Disk management, Text processing tools, Memory management and SWAP Partition/Files management.
  • Hands on experience on Kick Start-PXE, Secure shell installations for complete hands-free installation of workstations and Virtual hosting in Implementation and Troubleshooting.
  • Assists with review and recommendations for system acquisitions, planning and selection of operating systems software and hardware. Motivated self-starter able to spark an interest and take an initiative.

Confidential

System Administrator/ B&R Engineer

Responsibilities:

  • Responsible for upgrading the Virtual Machines,VMwareESXi hosts and vCenter servers in the organization. Installed and configuredLinuxvirtual machines onVMwareinfrastructure.
  • Release Engineer for a team that involves different development teams and multiple simultaneous software releases.
  • Defining Release Process and Policy for projects early in SDLC. Coordinating with Different Project teams on build and release planning and efforts.
  • Developed automated process for builds and deployments using Jenkins, Ant, Maven, Sonatype, Nexus, Shell, Python and Java.
  • Administered and integrated the Version Control Systems like Subversion and Git with Jenkins.
  • Managed and improved build systems and integrated test automation framework, providing support for continuous, nightly and milestone builds across multiple streams of development and assisted developers with the timely resolution of any build failures.
  • Designed and implemented automation deployment using to promote major releases, monthly releases, and patches from Development ->Integration/QA ->Staging/UAT ->Production.
  • Developed and implemented Software Release Management strategies for various applications according to the agile process.
  • Imported and managed multiple corporate applications into SVN Provided end-users training for all Rally users to effectively use the tool.
  • Build scripts using ANT and MAVEN build tools in Jenkins to move from one environment to other environments.
  • Worked with DBA team for database performance issues, network related issues on Linux Servers.
  • Created New Virtual Machines, cloning VM, DRS and Snapshots.
  • Migrated legacy Data stores to VMWare ESXi 5.5 and from VMWare to AWS. Administered VMotion for successful VM migration.
  • Involved in P2V, V2P Migration using Stand AloneVMwareConverter Server and Plate Spin.
  • Performed ESX Hosts and Virtual Machine migrations between Development, Integration, and Production environments and across Datacenters.
  • Developed Bash and python scripts for day-to-day administration.
  • Modified Kernel parameters to improve the server performance in Linux.
  • Creation of Logical volumes (LVM) for Linux operating systems.
  • Involved in design, configuration, installation, implementation, management, maintain and support for the Corporate Linux servers RHEL 4x, 5.x, CENTOS 5.x.
  • Strong experience with the VMware HA (High Availability), FT (Fault Tolerance), DRS (Distributed Resource Scheduler, Troubleshooting ESX issues related to storage, network and performance issues
  • Maintained proper documentation of all the activities carried out during the project. Configuring and Administering NFS and auto mount in networks.
  • Upgrading the kernel in Red Hat Linux servers and creating initrd image to boot from the Upgraded kernel
  • Installed SAMBA for transferring files between windows and the LINUX environment.
  • Experience configuring, maintaining NFS, LDAP (PAM), DNS (BIND), DHCP, Kerberos, Apache tomcat, Samba Servers as per environment's requirements
  • Responsible for building of Linux OS servers using kickstart automation application
  • Created logical volumes, extending the filesystem using LVM
  • Set up user and group login IDs, network configuration, password, resolving permission issues
  • Patch management, package installation/upgrades, and kernel upgrades, done backups using tar and recovering during data loss
  • Remote copying files using sftp, ftp, winscp, and filezilla
  • Schedule jobs with cron and at utility and giving cron eligibility for administrative accounts
  • Coordinating with 24 x 7 on-call support personnel in debugging.
  • Installation, configuration, upgrade and management of RedHat Enterprise Linux 5.x.
  • Writing shell scripts for Automated Back-ups and Cron Jobs using sh and bash.
  • Installation, Configuration ang Management of NFS, HTTP, FTP, SAMBA, DHCP, DNS Servers.
  • Manage and perform change control and administration on application servers, web servers, LDAP server in company's mission critical production, staging and development environments.
  • Troubleshooting Networking issues poor routing, network conestion, NIC duplex and speed incompatibilities using ethtool, ifconfig, tcpdump, netstat, ping, telnet etc.
  • Utilize Nagios based Open Source monitoring tools to monitor Linux Cluster nodes configured using Red Hat Cluster Suite.
  • Experience in integrating Nagios with other monitoring/alert solutions for the server disk management.

Confidential

System Administrator

Responsibilities:

  • Installation and administration of RHEL and updation of RHEL 3.x, 4.x, 5.x using Kickstart Servers and Interactive Installation.
  • Installed and configured Development, Test and Production environment with Windows Server 2008-R2/2012-R2, RHEL 5.x/6.x/7, SUSE Linux 10.x/11, CentOS 5.x/6.x/7.
  • Experience in configuring Raid-0, Raid-1, Raid-5, ISCSI, IDE, SATA, and creating Logical Volumes, Logical Volume Groups and manipulating them as required.
  • Worked on migration of data from one server to another server over the network on production environment with the help of Bash and Perl scripting.
  • Installed and maintained Red Hat Enterprise Linux based infrastructure in the VMware virtualization environment.
  • Management of server Performance, Disk File Systems, Users Creation and granting of file access Permissions.
  • Created user accounts, local and global groups, user administration, removal of Users ID from group and adding users in Sudoers file.
  • Installation, Configuration and administration of DNS, LDAP, Firewall, NFS, NIS, NIS+ and Sendmail on Redhat Linux/Debian Servers.
  • Worked on Sar, Iostat, VMstat and MPstaton servers, VMFS Data store, Host profiles, Storage profiles, Resource Management and Performance Monitoring.
  • Installed and configured various services like DNS, DHCP, NFS, Apache Web Server and SSH.
  • Managed and installed patches and software packages using YUM and RPM and creating YUM repository files for offline servers.
  • Worked with system, network, security and storage teams to prepare and configure new servers for the environment.
  • Managed and resolved incident tickets opened by clients as well as those logged by event monitoring system.
  • Aided and documented procedures which allowed the 24/7 operations department to troubleshoot and correct problems without needing to page other employees.

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