Devops Engineer/ Aws/cloud Engineer Resume
Tampa, FL
SUMMARY:
- 6+years of experience in designing, deploying, configuring, and maintaining systems and also management of services in Linux environment. Automated configuration management tools, build tools following Agile methodology and Software Development Life Cycle (SDLC) which in corporate configuration, troubleshooting, monitoring and preservation in a cloud and the DevOps environment with Continuous integration and Continuous Delivery process (CI/CD), System administration, Software configuration management (SCM), Build & Release management, DevOps, Cloud administration.
- Experience working with Amazon Cloud Administration which includes services like: EC2, S3, EBS, VPC,ELB, SNS, RDS, IAM, Route 53, Auto scaling, Cloud Front, Cloud Watch, Cloud Trail, Cloud Formation, OPS Work, Security Groups.
- Hands on experience in Amazon EC2, launching instances and balancing load using ELB as well as in managing networks, security groups and NACLs in VPC to increase security and also setting up data in AWS using S3 bucket and configuring instance backups to S3 bucket.
- Assisted AWS Cloud environment with 500 + AWS instances and configured Elastic IP & Elastic Storage and experience working on carried out security groups.
- Hands on experience in dealing with Windows Azure IaaS - Virtual Networks, Virtual Machines, Cloud Services, Resource Groups, Express Route, Traffic Manager, VPN, Load Balancing, Application Gateways, Auto-Scaling.
- Designed and configured Azure Virtual Networks (V Nets), subnets, Azure network settings, DHCP address blocks, DNS settings, and security policies and routing.
- Build infrastructure as a code using tools like Terraform and Cloud Formation Templates and also worked with the ELK (Elastic Search, Log stash, Kibana ) stack to analyse and monitor log data.
- Deployed applications on multiple web servers, maintained Load balancing, high availability by using Azure platform. Build & automate infrastructure deployments in Azure cloud using PowerShell
- Experience in infrastructure with Docker containerization, collaborated with development support teams to setup a continuous delivery environment with the use of Docker.
- Experience in creating customized Docker images and push them to Amazon ECS. Knowledge in containerization space (Docker, Kubernetes).
- Dockerized applications by creating Docker images from Docker file, collaborated with development support team to setup a continuous deployment environment using Docker.
- Experience in working with configuration management tools such as Chef, Ansible and Puppet to automate the configuration management of the Production servers, Network devices, Cloud Services.
- Configured and monitored distributed and multi-platform servers using Chef. Defined Chef Server and workstation to manage and configure nodes.
- Developed Chef cookbooks to provision servers for the Development and the testing environment in the AWS, Azure and VMWare VSphere environments.
- Deployed and configured Chef Server and Chef Solo including bootstrapping of Chef Client nodes for provisioning; Created roles, cookbooks, recipes, and data bags for server configuration, deployment, and app stack build outs.
- Expertise in installing, configuring and managing Ansible Centralized Server and developing the playbooks to help more than a few middleware application servers, concerned in configuring the Ansible tower as a configuration management software to automate repetitive tasks.
- Experience in using Puppet to automate repetitive tasks, quickly deploy critical applications, and proactively manage changes.
- Experience in working with version control tools like Subversion, GIT, Team Foundation Server, Visual Source Safe. Created tags, branches, merging and administrated software repository.
- Expertize with Continuous Integration and Continuous Deployment (CI/CD) methodologies with GIT, Nexus repository and Jenkins.
- Using CI/CD instruments like Jenkins, puppet in standalone and clustered environments, deployed quite a lot of Java applications/web services.
- Used MAVEN and ANT as build tools on PHP and Java applications for the development of build Artifacts (jar, war, ear) on the source code, configured Maven with Jenkins to generate the builds as the Continuous Integration process and even managed and distributed builds generated by Maven and ANT by using binary repos like Nexus and Artifactory.
- 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.
- Deployed the Artifacts in Nexus central repository for internal deployments and Managed Nexus repository for the current project created a new repository and provisioned it. Have hands on experience with Bitbucket server.
- Experience is using Tomcat, JBOSS, Web logic and WebSphere Application servers for deployment.
- Implemented new Docker container creation process for each GitHub branch. Container gets started using Jenkins as Continuous Integration server.
- Knowledge on Container management using Docker in creating images and 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.
- Strong knowledge of DNS, DHCP and IP Addressing. Installation and configuration of various services like DNS, DHCP, NFS, LDAP and Send mail, Apache Web Server, Samba, SSH, HTTP, RPM package management. Experience in administering Active Directory and group policies.
- Good working experience on scripting languages like Shell, Perl, Python, PowerShell, Ruby, Bash. Ability in development and execution of XML, Shell Scripts and Perl Scripts.
- Used Kubernetes to provide a platform for automating deployment, scaling, and operations of application containers across clusters of hosts, and also have hands on Experience in working with Kubernetes, running/managing containers, container snapshots and managing images.
- Hands-on Experience with container-based deployments using Docker containerization, working with Docker images, Docker hub and Docker registries, installation and configuring Kubernetes and clustering them.
- Experienced with VMware ESXi 5.1/5.5/6.5 Installation/Configuration/Administration with various virtualization components like vCenter, vSphere.
- Experience with VMWare tools like vCenter & vSphere to manage VM's running on ESX cluster nodes and also experience working VMotion.
- Skilled with Linux Utilities: KICKSTART, SSH, User Management, Process Management, Memory Management, and Text processing tools, Log Management, Package Management, Disk Management and Swap Partition/Files Management.
- Experience in installing, configuring, and management of MYSQL, SQL Server 2008/2012/2014, PostgreSQL, Mongo DB & Cassandra.
- Experience in Working with services and in using various network protocols like HTTP, TCP/IP, SSH, UDP and SMTP
- Expertise in creating LVM (logical volumes), Volume groups and file systems. Increasing and reducing logical volumes, mounting and unmounting file systems.
- Efficiency in installing, configuring and implementing RAID technologies.
- Expertise in installation, configuration and management of monitoring tools like Nagios, Splunk for monitoring the server/app status, disk space issues and logging tools like ELK.
- Ability to write shell script using ksh/csh/bash and Perl to ease administrative task.
- Hands on Experience in using REMEDY, Bug tracker and JIRA issue tracking tools for tracking defects and changes for change management, worked with bug tracking tool Jira and configured various workflows, configurations, and plugins for setting up Jira.
- Experience with all phases of software development life-cycle (SDLC) and agile development methodology.
- Ability to quickly understand, learn and implement the new system design, new technologies, data models and functional components of software system in a professional work environment.
- Able to build solid relationships within as well as consensus across multiple teams on environment strategies of build and release process.
TECHNICAL SKILLS:
Operating Systems: RHEL/CentOS 5.x/6.x/7.x, Ubuntu/Debian/Fedora, Sun Solaris 7/8/9/10, Windows Server 2003/2008/2010
Cloud: AWS (EC2, VPC, AMI, EBS Volumes, S3, RDS, IAM, Cloud Formation Templates, Cloud Watch, Auto-Scaling, Route53, Lambda, Cloud Trail, ELB),Microsoft azure
Scripting: Bash, Shell, Ruby, PowerShell, Python, Perl, YAML
Build/Automation Tools(CI/CD) CM: Ansible, Chef, Puppet, Jenkins, Maven, Ant
Databases: MySQL, Oracle, MongoDB, Cassandra
Bug Tracking Tools: JIRA, Bugzilla, REMEDY
Version Control Tools: GIT, Subversion, TFS
Web/App Server: Apache, IIS, TFS, Tomcat, WebSphere Application Server
Web Technologies/Programming Languages: Servlets, JDBC, JSP, XML, HTML, .Net, Java Script, Java/J2EE, C, C++, Perl scripting, Python, Shell scripting, Ruby, YAML
PROFESSIONAL EXPERIENCE:
Confidential, Tampa, FL
DevOps Engineer/ AWS/Cloud Engineer
Responsibilities:
- Hands on experience in Amazon Web Services tools like launching EC2, Auto scaling, Elastic Load-balancers, Elastic Container service such as Docker containers, S3, Elastic Beanstalk, Cloud Front, Elastic file system, VPC, Route 53, Cloud Watch, Cloud Formation, IAM.
- Developed CI CD scripted Pipeline with Jenkins, version controlled the Jenkinsfile, configured BlueOcean plugin to have the visualization of the build progress for the developers.
- Installed and configured Jenkins to perform the builds of the Docker images by encapsulating the successful build atifacts and stored them in the Artifactory, perform XRay security scan for the images to have security scanning.
- Developed AWS Lambda function to perform the automation of the cross regional AWS EC2 instances IP address whitelisting to update the security groups in the other region.
- Developed AWS Cloud formation templates in JSON, validated the templates, automated the baking of the AMIs using packer and developed Packer.json files to define the AMI specifications.
- Developed Jenkins scripted pipeline in groovy DSL to trigger the AWS Cloud formation templates to perform Blue/ Green deployments ion AWS by updating the Route 53 to point to the New AWS ELB. expertise in utilising Terraform to wrote Cloud Formation scripts automate the provisioning of AWS resources like IAM, EC2, S3, Route 53, SNS, RDS, ELB and Auto Scaling and make calls to aws scripts that provisioning / configuration of servers on the situations
- Abilities in writing new plugins to help new performance in Terraform and also establishing the build and deployment automation for Terraform scripts by utilizing Jenkins.
- Worked with development team to migrate Ant scripts to Maven and Worked on authoring pom.xml files, performing releases with the Maven release plugin and managing Maven repositories.
- Automated the cloud deployments using AWS Cloud Formation Templates and Using CI/CD framework to Auto Deploy and Monitor.
- Integrated Jenkins with repositories like Git hub to build Automation tool (Maven) and artifact repository for pushing successful build code.
- Hands on experience in making use of JIRA as project management software for issue tracking and bug tracking. Mentioned performance associated issues to management by using doing analysis, monitoring of existing systems, and used confluence to create, share and discuss content and projects.
- Capabilities in writing new plugins to aid new performance in Terraform and setting up the build and deployment automation for Terraform scripts utilising Jenkins.
- Developed ARM templates in Azure, configured Virtual Machines, Azure Web apps, Blob storage, Azure files, storage accounts both premium and standard, Azure functions, Azure Runbooks to automate various administrative tasks.
- Developed Hybrid infrastructure in Azure, Configured Azure AD connectors to authenticate the users against the on premise Active Directory, integrated the OAuth SSO.
- Floated different EC2 virtual Servers in public cloud making use of AWS Auto-scaling and prebaked Amazon Machine Images (AMI) by means of Ansible Playbooks and Roles to keep the production environment all times highly available
- Designing and enforcing for fully automated server build management, monitoring and deployment by means of making use of DevOps technologies like Ansible and chef.
- Installed and configured Jenkins with SonarQube and GIT with the aid of installing GIT plugins and constructing the Artifacts making use of Maven automation tool and storing the construct Artifacts into Nexus repository and deploying it to WebSphere server.
- Created Ansible Playbooks to automate the Build of Docker Image, Utilized Jenkins to Auto push to Docker HUB, automatic the infrastructure downloaded and managed Ansible roles from Ansible Galaxy
- Performed Rolling deployments of the Docker images on to the Kubernetes cluster by updating the Pod definition and Services by using the sed stream editor as part of the build step in Jenkins.
- Deployed Kubernetes on AWS infrastructure using Kops and configured Volume drivers to use EBS volumes for the Persistent volume solution, automated the regular snapshots of the EBS volumes.
- Developed Docker files to containerize various Java, Python, NodeJS based application, maintained the Docker images in the private Docker registry and AWS Elastic Container registry after the patching of the images.
- Constructed Docker Images and ran containers within the checking out environment expertise with Docker Swarm for orchestration of Docker containers and also Deployed Docker images to AWS ECS via writing task Definitions.
- Managing/building Docker container clusters managed via Kubernetes Linux, Bash, GIT, Docker, on GCP. Utilized Kubernetes and docker for the runtime environment of the CI/CD process to build, test deploy
- Hands on experience with version control systems Git and Subversion. Developed automation and deployment utilities making use of Ruby, Bash, Powershell and Python
- Created Shell Scripts to observe the administrative duties and automate the tasks to free up the resources by utilising Cron jobs
- Integrated Amazon Cloud Watch with Amazon EC2 circumstances for monitoring the log files, store them and track metrics.
- Worked on specific configuration management tools like Ansible and written playbooks using YAML file through together with unique modules for deploying the applications via automation.
Confidential - Katy, TX
DevOps Engineer/ Cloud Engineer
Responsibilities:
- Expertise in AWS provisioning and good skills of AWS services like EC2, S3, Glacier, ELB, RDS, Redshift, IAM, Route 53, VPC, Auto scaling, Cloud entrance, Cloud Watch, Cloud trail, Cloud Formation, security groups.
- Configured security groups for inbound/outbound entry, network ACLs for controlling site traffic through subnets, Internet Gateways, NAT instances and Route Tables to direct the network traffic and to be certain secure zones for organizations in AWS public cloud.
- Skills on Amazon EC2 establishing instances, virtual private cloud (VPC) and security groups (SG) and also Created monitors, alarms and notifications for EC2 hosts using Cloud Watch.
- Configured ELB (Elastic Load Balancer) to distribute traffic through different Web Logic Servers and tangled in deploying the content to cloud platform on AWS by using EC2, S3 and Elastic Block Store (EBS).
- Performed Python Scripts to Automate AWS services which can accommodate web servers, database, security groups, S3 bucket and application configuration, this script creates stacks, single servers or join web servers to stacks
- Performed weekly deployments by engaging CI tool Jenkins through automation and also configured GIT into Jenkins to automatize code check-out process.
- Configured LAMP stack image (Linux, Apache, MySQL, and PHP) in multitier AWS instances in specific subnets in Amazon VPC, connected ACL’s and SG to maintain high security.
- Worked on Azure AD connect to integrate on-premises directories with Azure active directory which provides a common identity for users for office 365, Azure and SaaS applications integrated with Azure AD.
- 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 Amazon EC2 instances.
- Configured automated server build management, monitoring and deployed using Puppet and Nagios.
- Implemented and managed Puppet master server and expertise in updating and creating modules and providing them to puppet clients and managing SSL .
- Expertise in executing the CI Jenkins build job for Java software builds. Making use of GIT (Stash) device because the source code repositories for all projects and Artifactory for all builds release repository.
- Expertise in implementing continuous delivery pipeline with Docker, Maven, Jenkins and AWS and Puppet to perform automated CI Builds and Deployments.
- Developed Splunk Dashboards, searches and reporting to aid various internal clients in protection, IT Operations and application development.
- Build performance dashboards via Splunk, Extrahop, writing Java script and personalized scripts and worked with internal clients to enhance necessities, relationships and value metrics
- Hands on experience in installation, Configuration, Migration, trouble-shooting and Maintenance of Splunk and provide ordinary aid guidance to Splunk mission groups on complicated solution and issue resolution.
- Performed WebLogic Server administration duties equivalent to installing, configuring, monitoring and efficiency tuning and also responsible for establishing Weblogic clusters, JDBC Datasources and concerned in monitoring error logs, troubleshooting and fixing the problems.
- Implemented Docker-maven plugin in and maven pom to construct Docker images for all micro services and later used Docker file to construct the Docker images from the java jar files.
- Upgraded and Migrated to JIRA from Clear Quest and implemented JIRA with MAVEN release plug-in for monitoring bugs and defects.
- Experienced working with Kubernetes, Mesos, Docker Swarm and extensively worked on creation of custom Docker container images, tagging and pushing the images.
- Automation for execution of tests in batch using Shell scripting and developed of test framework using Python.
- Designed and migrated VMware ESXi 5.5 to VMware ESXi 6 to VMware ESXi 6.5 which involves installation of vCenter, corporation enhancements on ESXi and stock migration.
- Handled the entire virtual environment by linking exceptional vCenter servers utilizing linked mode to a single instance vSphere client
- Installed and configured RedHat enterprise Linux servers 6.X. Established and configured offerings like HTTP, NGINX, NFS, FTP.
Confidential -San Diego, CA
Build and Release Engineer
Responsibilities:
- Strong knowledge of Software Development Life Cycle (SDLC) with a specific focus on the Build and Release of quality software and implemented Continuous Integration, Delivery, and Deployment (CI/CD) pipeline utilizing Agile-SCRUM methodology.
- Implemented and assisted GIT source code tool and created branches, tags and merging in GIT repository.
- Implemented Jenkins as CI server, build jobs to provide continuous automated builds from GIT and performed periodic schedules.
- Worked on deploying puppet to completely provision and manage AWS EC2 instances, volumes, DNS, and S3 and also implemented Puppet modules to automate configuration of a various services and deployment of various application.
- Assembling Puppet Master, Agent and Database servers on multiple Red Hat Enterprise Linux Platforms
- Writing Manifests/Modules for Installation and Updating of Yum repositories on the Server using Puppet infrastructure
- Designed the project workflows and pipelines using Jenkins for Continuous Integration and deployment into different Web and Application Servers.
- Worked on various components of Chef including chef server, workstations, Nodes, configurations of chef client and writing cookbooks and recipes for Chef and assigning roles to nodes.
- Implemented continuous integration practices with Jira, Jenkins and continuous deployment pipeline using Shell Scripts and Jenkins.
- Managing the configurations, writing/modifying Manifests and applying them on the nodes using Puppet on the servers.
- Responsible for taking the source code and compiling using ANT and Package it in its distributable format such as JAR, WAR and EAR and deploying them in the WebSphere application server.
- Configuring and maintaining virtual server environment usingVMWAREESXi, VSphere, VCenter and vblock series and also Migrated Physical Servers to Virtual Server and Virtual to virtual - usingVMwareConverter.
- Experience in CI/CD (Continuous Integration and Continuous Deployment) using Jenkins and developing automated process for code builds and deployments: Jenkins, Ant, Maven, Sonar type Nexus, Shell Script, Perl, Java.
- Worked on ANT and MAVEN Scripts to automate the build process, and also Built source code and created Dynamic Views and Snapshot views for end users using Maven scripts.
- Implemented Puppet dashboard to access snapshot of important system information and to deliver valuable reports and created puppet database for keeping information about every node, resource, relationship, users and understanding about whole infrastructure
- Managed the deployment activities for multiple server instances by enabling password less SSH communication between the servers and utilizing utility in the shell scripts.
- Automated the weekly deployments utilizing CI tool Jenkins. Integrated GIT into Jenkins to automate the code check-out process.
- Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub and deployed EAR, WAR, JAR files in JBOSS application server using Maven and ANT script.
- Worked with different applications and application servers, deployed the artifacts to Tomcat web server and WebSphere application servers, IIS.
- Worked on installation and configuration of WebLogic. Installed SOA suite and configurations as well as supported cloud set ups. Worked on troubleshooting application servers Tomcat and JBoss.
- Configured new build environment for various products in Linux environment which implemented the release practice and responsible for moving build into UAT/QA/SIT/DEV.
- Involved in conversion of the source code from the SVN to GIT and worked closely with other CM teams, which was migrating from SVN to GIT. Helped them in the CM Planning and Build/Deploy processes.
- Worked on installing of Docker using Docker toolbox and worked on creation of Docker containers and Docker consoles for managing the application life cycle.
- To achieve Continuous Delivery (CD) goal on high scalable environment, used Docker coupled with load-balancing tool Nginx.
- Configured Jenkins instance with complete Maven and vSphere to build jobs by providing a continuous, automated scheduled QA build environment based on multiple subversion repostories for VMware open virtualization format deployments.
- Expertise in build tools like Apache MAVEN for the building of deployable artifacts such as war & ear from source code and managing Maven repositories.
- Installed, configured, troubleshoot, secured and supported RedHat 4/5, CentOS 3/4/5/6 and product servers and also Created users, manage user permissions, & File System quota on Linux machines and configured messaging notifications and scheduled Cron jobs using sh and bash, written bash scripts for automated backups.
- Experienced in using Jira with Maven plugin to detect the defects by bug tracking and used Nagios for monitoring web applications, content monitoring, url monitoring and HTTP status.
- Experienced in administration and deployment of applications on Apache Webserver and application servers such as Tomcat, JBoSS, WebSphere, IIS etc.
Confidential
Linux Administrator/ VMware
Responsibilities:
- Installed and configured Red hat Enterprise Linux (RHEL5 and RHEL 6) in development and test environments almost six levels on Dell physical servers and Virtual Machines.
- Performed Package Management using RedHat RPM/YUM and Kernel upgradation in RedHat Linux and CentOS servers.
- Deployed and configured VMware ESXi 5.1 and configured templates to create VMs. Integrated and managed ESXi hosts using vCenter Server.
- Successfully configured and maintained multiple Hyper-V servers with multiple platforms including Windows Server 2012 R2, Windows Server 2008 R2, and Windows 10.
- Worked with VMWare tools like vCenter & vSphere to manage VM’s running on ESX cluster nodes and experience working vMotion. Creating and cloning virtual machines in VMware environment using Virtual Infrastructure client 3.5 and VSphere 4.0. Storage / Servers daily checks, performance tuning, performance monitoring and health checks.
- Managed and provided support to all UNIX servers and RedHat Linux OS that runs Oracle databases, WebSphere, and NetBackup enterprise.
- Implementation and administration ofVMwareESXi 5.x, 6.0, 6.5 vCenter for running Redhat Linux, windows Servers on Production and development. Working with Apache, HTTP, ngnix Server including proxy and caching configurations.
- Created templates for cloning of virtual machines using VMware Virtual Client and migrating servers between ESXi hosts.
- Hands-on experience onVMwarevCenter,VMwareClusters is generated in the Datacenter, accumulating ESX/ESXI Hosts in the clusters and implemented HA and DRS for the Clusters.
- Configuration Installation of Red hat Linux 5/6 and Oracle Enterprise Linux by using Kick Start, Red Hat Satellite Server and customized bash/perl scripts.
- Migrate Physical Servers to Virtual Serves using VMwareConverters and migration of Virtual Machines using V-Motion.
- Configured and maintained new VMs and Installed Microsoft Windows 2012/2008/2003 OS, updated configuration management database (CMDB), installed the VMware Tools.
- Creating, cloning virtual machines on VMware 3.5, 4.0, installed ESX hosts, performance monitoring of virtual machines, taking vmware snap-shots, recovery, creating Vswitches and applying security patches to the ESXi servers.
- Involved in Data center migration more than 100 ESX servers and large number of the windows physical servers and P2V and V2V conversions for Windows and Linux Environments using VMware/VCenter Converter.
- Implemented, configured and deployed new patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using satellite server and YUM server.
- Configured Logical Volume manager to create, extend and maintain volumes and provided maintenance on systems by timely upgrading patches to the systems and applications, Scheduling of batch jobs and cron jobs.
- Configured and administered JDBC connection pools and experienced in installing s on various Web Servers and WebLogic Application Server Platforms.
- Configured HTTPS, NTP, Installed and configured FTP to download and upload the files for clients and also configured and manage Network filesystem (NFS) and auto mount in the network.
- Managed logins with Open SSH, managed DHCP, firewalls, users and groups and also configured, maintained NFS, LDAP PAM, Kerberos, Samba Servers as per environment's requirements.
- Managed the firewall rules for new servers to enable communications with new applications.
- Monitoring CPU, memory, physical disk, hardware and software RAID, File Systems, network using monitoring tool NAGIOS 4.0.
- Troubleshooting Linux networks, security related issues, monitoring packets using IP tables, firewall, TCP wrappers.
Confidential
Linux Administrator
Responsibilities:
- Troubleshooting Linux networks, security related issues, monitoring packets using IP tables, firewall, TCP wrappers.
- Installed, configured and Administrated of all LINUX servers, includes the design and decision of imperative hardware to support the set up/enhancements of Red Hat (6/7), Centos 5/6, Ubuntu operating systems.
- Hands on experience in creating and adding new disk partitions and File Systems: Swap, LVM (Physical Volumes, Volume Groups, and Logical Volumes).
- Perform both interactive and automated (Kickstart) installations of Red Hat EnterpriseLinux. Plan and execute RPM and YUM packages and update installations necessary for optimal system performance.
- Maintaining file systems, Checking and repairing file systems and monitoring file system usage. Implementing various security tools like SETUID, SETGID and STICKY BIT on file system for providing secure access.
- Developed Cron jobs and Shell Scripts for automating administration tasks like file process management, system administration, backup and restore.
- Performed day-to-day Linux administration such as user accounts, logon scripts, directory services, file system shares, and permissions.
- Created groups, added Users ID to a group as a primary or secondary group, removing Users ID from a group as well as adding users in sudoers file.
- Installed, configured and supported RAID 0, RAID 1, RAID 0+1, and RAID 5 on SAN arrays.
- Hands on experienced in installation, configuration and maintenance of common Linux services such as Tomcat, Apache, NFS, FTP, Postfix, LDAP, DHCP, DNS BIND, HTTP, HTTPS, SSH, ip tables and firewalld.
- Created various FTP and SFTP accounts that used password or public key authentication for customers.
- Managed shared NFS files system, mounting and unmounting NFS server, NFS client on remote machine, sharing remote file folder, starting and stopping the NFS services.
- Troubleshooting and resolving network related issues using various network commands like NSLOOKUP, TELNET, TRACEROUTE, PING.
- Tracking the system performance CPU Utilization, Memory Utilization, and Disk Utilization using various monitoring tool commands like SAR, VMSTAT, TOP, IOSTAT.
