SUMMARY

• Over 9 years of experience in IT Industry with ability to accomplish all aspects of the Devops, Cloud and System Administration working on Red Hat Enterprise Linux (RHEL), Cent OS, Ubuntu, AWS, CI/CD, Azure, DevOps, VM Ware, and Build/Release management.
• Experience with Kernel Tuning, Application Tuning and Standard Administration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine - tuning on UNIX & LINUX Systems.
• Experienced installing, upgrading and configuring RedHat Servers using Kickstart and Solaris Server using Jumpstart and customizing the Kickstart profiles and Jumpstart scripts to automate the installation of various servers.
• Solid knowledge of Linux kernel internals and some experience building customized kernels. Familiar with Red Hat Network and Red Hat Network Satellite for operating system upgrade or maintenance.
• Wrote templates for AWS Infrastructure as code and Provisioning AWS services by using Terraform and AWS Cloud Formation templates. Automated the Cloud Deployments using CHEF and Cloud Formation templates.
• Expertise in Terraform for building, changing, versioning infrastructure and Collaborate the automation of AWS Infrastructure via Terraform and Jenkins.
• DevOps experience in Bootstrapping and building highly automated Infrastructure with AWS OpsWorks for Chef and Puppet, managed across EC2 instances.
• Competence in designing AWS Cloud models for Infrastructure-as-a-Service (IAAS), Platform-as-a-Service (PAAS) and Software-as-a-Service (SAAS) and worked on Azure PaaS storages like Blob, SQL Azure.
• Experience in designing and deploying the application by utilizing Azure Services (Virtual Machines, SQL Database, Azure Storage, Azure Active Directory, Network Virtualization, Content Delivery Network).
• Experience in building Private Cloud Infrastructure of OpenStack and deployed Nagios to monitor and alert the health checks for Nova, Neutron, Keystone, Swift, Glance. Also, can trace complex build problems, release issues and environment issues in a multi-component environment.
• Implemented Micro-services using Pivotal Cloud Foundry(PCF) platform build upon Spring Boot Services and created workflows on TeamCity for setting up automated pipelines for CI/CD with PCF.
• Worked on Google Cloud Platform (GCP) services like compute engine, cloud load balancing, cloud storage, cloud SQL, stack driver monitoring and cloud deployment manager.
• Set up a Google Cloud Platform Firewall rules to allow or deny traffic to and from the Virtual Machine instances based on specified configuration and used GCP cloud CDN (content delivery network) to deliver content from GCP cache locations drastically improving user experience and latency.
• Built out Server Automation and Maintained the Chef and Puppet servers by Cookbooks, Recipes, Roles, Environments, Chef Automate, Chef Compliance and Puppet Manifests, Modules, Puppet DB, Puppet Server.
• Created Inventory for automation in Ansible and wrote Playbooks with Python SSH wrapper to manage configurations of AWS nodes and test Playbooks on AWS instances using Python.
• Configured Ansible control machine Ansible Playbooks, Roles and Modules. Used Ansible Vault and Ansible Tower to secure sensitive data and control the access of playbooks.
• Built Jenkins/Hudson to provide continuous automated builds for deployment and build management system. And Application management can use Service Now (CI) data to bring computers into a desired state by Managing Files, Services, or Packages installed on Physical or Virtual Machines.
• Configured and Managed the container using Docker, set up the automated build on Docker Huband run multiple Applications by Docker Compose and used to Docker Weave for Network communication between Containers.
• Installed and configured Kubernetes for Orchestration of Docker Images and Cluster Container management on AWS using Kubernetes Operations (KOPS).
• Virtualized Docker Images on Amazon EC2, created Docker files, used Nexus Repository as a Private Docker Registry for Docker Images and Clustered the Containers by using Docker Swarm and Kubernetes.
• Expertise in configuring and administering, Mail Servers and Web Servers like Apache HTTP & Tomcat in heterogeneous environments and working with TCP/IP, DNS, DHCP, NFS, NIS, SAMBA, SSH, SSL, SFTP, SMTP, SNMP, SAN, NAS.
• Experience in administering VMware ESX, ESXi 3.x, 4.x, and 5.x. Deploying and Managing VMware vCenter and large scaled virtual environments and supporting ESX cluster environments managing VM’s running Linux and Windows environments.
• Experience in maintaining Servers, workstations and computer labs including software and hardware. VMWARE, Oracle Virtual box and Putty. Worked on VMware, ESX server and P2V migration through plate spin servers
• AWS Cloud IaaS platform with features EC2, VPC, ELB, Auto-Scaling, Security Groups, Route53, IAM, EBS, AMI, RDS, S3, SNS, SQS, Cloud Watch, Cloud Formation, Amazon S3 (storage). configured Elastic IP & Elastic Storage.
• Experience in Amazon EC2 in setting up instances, worked closely with infrastructure teams to troubleshoot complex issues and setting up security groups and creating life cycle policies in AWS S3 for backups to Glacier.
• Administered Jenkins for Continuous Integration and to automate most of the build related tasks, configured various Jenkins jobs in Jenkins for deployment of Java based applications and running test suites.
• Provide SME in all areas of Cloud (IaaS, PaaS, SaaS) to existing and perspective clients on multiple cloud platforms vSphere, vCloud, Cloud Stack, Azure, AWS and various PaaS platforms such as Cloud Foundry, OpenShift
• Expertise on version control tools like Subversion, Git and utilized source code administration customer apparatuses like GitHub, Git GUI in branching, tagging and maintaining the version across the environments using SCM tools like GIT, Subversion (SVN) and TFS on Linux and windows platforms.
• Experienced in installing, configuring, modifying, testing and deploying applications on Apache Webserver, Nginx and Application servers such as Tomcat, JBoss. Functional usage and deployment of applications in WebLogic, WebSphere and Apache Tomcat Server.
• Efficient experience using build tools like MAVEN and ANT for the building of deployable artifacts such as war, jar& ear from source code. experience in using Nexus and Artifactory Repository managers for Maven builds.
• Integration of Automated Build with Deployment Pipeline. Currently installed Chef Server and clients to pick up the Build from Jenkins repository and deploy in target environments (Integration, QA, and Production).
• Broad experience in Bash, Perl, Python scripting on Linux. Strong knowledge on Linux internals and experience with Bug tracking tool like JIRA, Bugzilla and Remedy.
• Experience on search and analytic tools like Splunk and developing Splunk queries, dashboards targeted at understanding application performance and capacity.
• Developed PowerShell 2.0 scripting to work with TFS Object Model to utilize for more repeatable and automated processes and tasks.
• Experience with setting up Chef Infra, bootstrapping nodes, creating and uploading Chef Recipes, Chef Node convergence in Chef SCM and Highly involved in Configuring, monitoring and multi-platform servers by defining Chef Server from workstation to manage and configure Chef Nodes.
• Experience in setting up Puppet master, Puppet agents for managing enterprise policies, configurations and on creation of Puppet manifest files to install Tomcat instances to manage configuration files for multiple applications.
• Worked with Docker and Vagrant for different infrastructure setup and testing of code. Experience on Docker hub, creating Docker images and handling many images primarily middleware installations and domain configurations.
• Knowledge on Designing and implementing container orchestration systems with Docker Swarm and Kubernetes and Experience to manage local deployments in Kubernetes, creating local cluster and deploying application containers.

TECHNICAL SKILLS

Operating Systems: Windows, UNIX, LINUX, CentOS, RHEL, SOLARIS, SUSE, Ubuntu

Source control tools: Subversion, Clear case, GIT and Perforce

Build tools: ANT, Maven, Gradle, Bamboo

CI tools: Hudson, Jenkins and Build Forge, Cruise control

Deployment tools: Chef, Puppet, Ansible

Containerization/Virtualization: Docker, Packer, VMware, vSphere

Orchestration Platforms: Kubernetes

Repositories: Nexus, Artifactory

Languages: C, C++, Perl scripting, Shell scripting, HTML, Python, Ruby

Tracking tools: Jira, Remedy, Clear Quest

Web servers: WebLogic, WebSphere, Apache Tomcat, JBOSS, Nginx

Monitoring tools: Nagios, Splunk, New Relic, logic monitor

Databases: Oracle, SQL Server, MYSQL, DB2, MONGODB

Cloud Platform: AWS, Azure, Google Cloud

PROFESSIONAL EXPERIENCE

Confidential, Birmingham, Alabama

DevOps & Cloud Engineer

Responsibilities:

• Worked with networking teams in configuring AWS Direct Connect to establish dedicated connection to datacenters and AWS Cloud. Configured and managed AWS Glacier, to move old data to archives based on the retention policy of databases/applications (AWS Glacier Vaults).
• Managed multiple AWS accounts with multiple VPC's for both production and non-prod where primary objectives included automation, build out, integration and cost control.
• Strong Experience in implementing Data warehouse solutions in AWS Redshift, worked on various projects to migrate data from on premise databases to AWS Redshift, RDS and S3.
• Provisioned and configured AWS EC2 instances for SIT & QA environments on demand and experienced with spin-off instances via AWS Management console, Jenkins EC2 Plugin and Cloud Formation Templates.
• Working with Windows Azure IaaS - Virtual Networks, Virtual Machines, Cloud Services, Resource Groups, Express Route, Traffic Manager, VPN, Load Balancing, Application Gateways and Auto-Scaling.
• Maintained various services in Azure and deployed Azure Active Directory within various subscriptions with customized Azure Resource Manager Templates.
• Administered and maintained Subversion version control system adhering to the branching policies. Used MAVEN to automate the build process.
• Created AWS Multi-Factor Authentication (MFA) for instance RDP/SSH logon, worked with teams to lock down security groups.
• Worked on a Build pipeline including Jenkins, Artifactory and a private Docker registry. Carried Deployments and builds on various environments using continuous integration tool.
• Creating a fully Automated Build and Deployment Platform and coordinating code builds promotions and orchestrated deployments using Jenkins and GitHub and Created the branches in Git to implement the parallel development process.
• Implemented Automate the Environment Provisioning Using Chef & Docker cloud available with Chef SDK, Docker and RHEL for creating different Environments (VMs).
• Configured Jenkins with SonarQube and GIT by installing GIT plugins and building the artifacts using Maven automation tool and storing the build artifacts into Nexus repository and deploying it to WebSphere server.
• Worked on migration of applications from WebSphere 7.0 to 8.5 and implemented horizontal and vertical scaling of WebSphere Application Server (WAS) in a workload-managed cluster.
• Build servers using GCP, importing volumes, launching EC2, RDS, creating security groups, auto-scaling, load balancers (ELBs) in the defined virtual private connection.
• Set-up databases in GCP using RDS, storage using S3 bucket and configuring instance backups to S3 bucket. prototype CI/CD system with Gitlab on GKE utilizing
• Used Chef for configuration management of hosted Instances within GCP. Configuring and Networking of Virtual Private Cloud (VPC).
• Implemented rapid-provisioning and life-cycle management for Ubuntu Linux using Amazon EC2, Chef, and custom Ruby/Bash scripts. Python script to help rotate old versions of the AMI. Implemented and Enhanced the Existing Scripts which are developed in Shell, Power Shell, Ruby and Python.
• Work with Terraform key features such as Infrastructure as code, Execution plans, Resource Graphs, Change Automation.
• Writing json templates for cloud formation and Ruby scripts for Chef Automation and contributing to our repository on GitHub (sub version control).
• Maintained DNS records using Route53. Used Amazon Route53 to manage DNS zones and give public DNS names to Elastic load balancers (ELB) IP's.
• Created and troubleshooted Ansible scripts and Kubernetes YAML files to deploy SCM/CI/CD applications automatically and Idempotently to reduce time costs. Performed all necessary day-to-day GIT support for different projects.
• Implemented & Maintained the Branching and Build/Release strategies utilizing GITHUB source code management.
• Used Ant and Maven as build tools on java projects for the development of build Artifacts on the source code and automated process using shell scripting.
• Versioned the playbooks on the source code management tool GitHub.
• Manage deployment automation using Puppet, MCollective, Custom Puppet Modules.
• Automated the build and release management process including monitoring changes between releases.
• Delivered architecture designs and solutions for public, private and hybrid clouds covering the cloud architecture tiers and portfolios of cloud services.
• Implemented & maintained branching & build/release strategies utilizing SVN/GIT and given project support Built end to end CI/CD Pipelines in Jenkins to retrieve code, compile applications, perform tests and push build artifacts to Nexus Antifactory.
• Scheduled the Linux Cron jobs and Jenkins jobs for build automation. Spinning up AWS resources by using terraform.
• Integration of Automated Build with Deployment Pipeline. Currently installed Chef Server and clients to pick up the Build from Jenkins repository and deploy in target environments (Integration, QA, and Production). Deployed the java applications into Apache Tomcat Application Servers.
• Experience in writing Maven pom.xml and Ant build.xml for build scripts.
• Executed user administration and maintenance tasks including creating users and groups.
• Utilized WAR and JAR files for deployment of enterprise apps. Prepared Junit test cases and executed server configurations.
• Supported and developed tools for integration, Automated Testing and Release Management.
• Heavily worked on storage for data backup Responsible for User Management, Administration, Group Management, Slave Management, new job setup in Jenkins. Experience on monitoring tools like Nagios and Splunk.
• Design and Implemented Cloud Orchestration solution using Google Cloud, AWS EC2 & Microsoft Azure, Docker and Kubernetes and Initially thought of using Kubernetes the finally decided to use Docker swarm because Docker swarm is integrated with Docker daemon.
• Automated the cloud deployments using Chef, Python and AWS Cloud Formation Templates and Installed Chef-Server Enterprise On-Premise/WorkStation/ Bootstrapped the Nodes using Knife. Managed Nodes, Run-Lists, roles, environments, data Bags, cookbooks, recipes in Chef and implemented Auto Scaling with Chef and Assign Chef Roles to EC2 instances.
• Provided ongoing support in systems management and administration of LINUX/UNIX in global-scale environment and Installation, Configuration of NFS, DNS, SAMBA, APACHE severs in Red hat, Debian, Ubuntu Linux Servers.
• Configured GIT with Jenkins and schedule jobs using Poll SCM option. Developed scripts to pull and push data from Bit Bucket.
• Streamlined installation of OpenShift on partner cloud infrastructure such as AWS and Azure. Reviewed OpenShift Paas product architecture and suggested improvement features after conducting research on competitors’ products
• Maintain and develop Splunk Infrastructure and related solutions as per automation toolsets and created Splunk Dashboards, reports, schedule, search and alerts.
• Involved in Scrum meetings, product backlog and other scrum activities in collaboration with the team.

Confidential, McLean, Virginia

DevOps& Cloud Engineer

Responsibilities:

• 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. Used EC2, auto-scaling and VPC to build secure, highly scalable and flexible systems that handled expected and unexpected load bursts.
• Worked on current migration of data centers to Amazon Cloud and in managing using Route53 of AWS and Build servers using AWS, importing volumes, launching EC2, creating security groups, auto-scaling, load balancers in the defined virtual private connections.
• AWS Identity and Access Management (IAM) components including user, groups, roles, policies and password policies and provide the same to end user and Used Cloud watch logs to move application logs to S3 and create alarms based on a few exceptions raised by applications.
• Created Python Scripts to Automate AWS services which include web servers, ELB, Cloud front Distribution, Database, EC2 and Database security groups, S3 bucket and application configuration, this Script creates stacks, single servers or joins web servers to stacks.
• Configured and maintained Jenkins for Continuous Integration and end to end automation of all build and deployments and have good knowledge on XL deploy and Code Deploy as release automation solution.
• Designed and implemented continuous integration systems using Jenkins by creating Python and Perl scripts and Automated the build and deploy processes using Jenkins to move from one environment to another environment.
• End-to-end design, setup, integration and maintenance of CI/CD pipeline from source-control to production and Setting up constant security checks as part of CI-CD pipeline and monitoring to prevent or respond faster to any events that might occur and Configured and supported CI test runs, collect metrics on test automation execution.
• Setting and ensuring that standards are maintained for successful development processes for automation and tools.
• Installed and integrated Jenkins with repositories like Git and successfully built the code and generate artifacts using Build Automation tool (Maven) and push the artefacts to the Nexus repository and deploy the artifacts on the web server like Apache Tomcat
• Launched Amazon EC2 Cloud Instances using Amazon Web Services (Linux/ Ubuntu) and Configuring launched instances with respect to specific applications.
• Integrated Kubernetes with network, storage, and security to provide comprehensive infrastructure and orchestrated container across multiple hosts.
• Utilized kubernetes and Docker for the runtime environment of the CI/CD system to build, test deploy.
• Configured Kubernetes cluster and supported it running on the top of the CoreOS.
• Designing and implementing container orchestration systems with Docker Swarm and Kubernetes.
• Experience with Minikube to manage local deployments in Kubernetes, creating local cluster and deploying application containers.
• Experience with Kubernetes to manage the containerized applications, creating Config Maps, deployments, secrets, services and deploying application containers as pods. Installed the application on AWS EC2 instances and configuring the storage on S3 bucket.
• Worked at optimizing volumes and EC2 instances and created multiple VPC instances. Deployed applications on AWS by using Elastic Beanstalk.
• Implemented a Continuous Delivery pipeline with Jenkins, GitHub and AWS AMI.
• Developed automation process to enable teams to deploy, manage, configure, scale and monitor their applications on both Public and Private Cloud infrastructure.
• Used Ansible to run ad-hoc commands and playbooks to automate tasks and written playbooks. Worked with Ansible in a DevOps environment.
• Worked on playbooks for Ansible in YAML scripting.
• Maintained monthly audit report and documentation on all WebLogic and DNS servers.
• Implemented AWS Code Pipeline and Created Cloud formation JSON templates in Terraform for infrastructure as code.
• Installing and configuring Terraform and building the infrastructure using terraform configuration file.
• Used Terraform to map more complex dependencies and identify network issue.
• Hands on experience on Terraform a tool for building, changing, and versioning infrastructure safely and efficiently.
• Worked with Terraform key features such as Infrastructure as code, Execution plans, Resource Graphs, Change Automation.
• Responsible for creation and maintenance of Test Requirements, Test plans, Test Cases in the Test Repository - ALM.
• Worked on the creation and managing IT infrastructure and application stack using AWS Cloud Formation and writing the template file.
• Configured Ansible to manage AWS environments and automate the build process for core AMIs used by all application deployments including Auto Scaling, and Cloud formation scripts.
• Configuring and updating JSON files to create new stacks for Deployment using Docker Marathon and worked with Docker Marathon, Mesos Infrastructure. Deploying Web applications and Replicated the Jenkins build server to a test VM using Virtual Box, Vagrant, Chef, Perl brew and Server spec.
• Created Docker images using Docker file and worked on Docker container snapshots, removing images and managing Docker volumes. Involved in building PaaS with Docker and deployed various applications through Docker containers.
• Worked with GIT to store the code and integrated it to Ansible to deploy the playbook Experience in scheduling and jobs using Ansible.
• Automated configuration management and deployments using Ansible playbooks and Yaml for resource declaration. Involved in writing various Custom Ansible Playbooks for deployment orchestration and developed.
• Ansible Playbooks to simplify and automate day-to-day server administration tasks.
• Created Shell &Python scripts for various Systems Administration tasks to automate repeated processes where Developed automation and deployment utilities using Ruby, Bash, PowerShell, Python and Run deck.
• Create and maintain highly scalable and fault tolerant multi-tier AWS and Azure environments spanning across multiple availability zones using Terraform and Cloud Formation.
• Used OpenShift to improve application security by putting admin consoles on different Docker containers accessible only from unusual port numbers. Continuous Integration stack consists of Git, Jenkins CI-CDX, the Docker Trusted Registry, and OpenShift Enterprise.
• Installed, administered and managed Red Hat Linux, SLES, Solaris, HP-UX and AIX servers and Design, deploy, maintain Ubuntu server environments primarily hosted in AWS using AWS resources like IAM for maintaining the user accounts, security groups.
• Experience in using AWS resources like IAM for maintaining the user accounts, security groups and Worked directly with Cloud Azure product team in tracking and resolving defects.
• Monitoring solutions and methodologies including server and network performance, hardware, web synthetics, and application performance monitoring a plus and Including but not limited to New Relic, ScienceLogic, Splunk, Extra Hop, AppDynamics, Dynatrace, Keynote, Microsoft SCOM, Solar Winds Orion.
• Branching, Tagging, Release Activities on Version Control Tools: SVN, GIT and Develop Custom Scripts to monitor repositories, Server storage.
• Created analytical matrices reports, dash boards for release services based on JIRA tickets, reach continuous delivery and built clouds with AWS.

Confidential, Beaverton, Oregon

Build &Release Engineer

Responsibilities:

• Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant and Maven to schedule the builds and Extensively worked on Jenkins for Continuous Integration and for End-to-End automation for all Build and deployments.
• Used Jenkins innovatively to automate most of the build related tasks. Improved throughput and efficiency of build system by providing EO/managers rights to trigger required build.
• Build and configured Jenkins slaves for parallel job execution. Installed and configured Jenkins for continuous integration and performed continuous deployments. Experienced in AWS security with IAM (Identity Access Management).
• Managed AWS instance EC2 and storage EBS. Responsible for data management using tar, zip utilities for archiving, compression backup and restoration.
• Experience setting up firewall rules to ensure both security and efficiency of systems and applications.
• Installed and Configured Nagios to monitor the infrastructure.
• Experienced with Storage Area Network (SAN) and Network Attachment Storage (NAS).
• Experienced in AWS testing. Installed, configured and connected RHEL 6, 7, Centos 6, 7, servers to a network using standard installation and kickstart.
• Experienced with S3 and Glacier storage. Used Amazon S3 bucket policies and conditions to restrict access permissions.
• Hands on experience setting up AWS Cloud watch and Custom Metrics to monitor AWS services. Configured AWS Elastic Load balancer.
• 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.
• Merged release branches to the trunk after the production release and resolved the conflicts rose during the merge in both Subversion and Perforce.
• Creating the build script using the ANT as build tool, for Java web applications and Configured the user's accounts for Continuous Integration - Jenkins, Nexus and Sonar.
• Configured and monitored distributed and multi-platform servers using Ansible. Worked on Ansible playbooks to deploy new software and plugins as well as manage deployments to the production Jenkins server.
• Worked on User admin setup, maintaining account, monitor system performance using Nagios & Tivoli. Focused on automation and continuous integration. Automated local development environment using chef.
• Developed and supported all necessary day-to-day Subversion/CVS support for different projects and Responsible for design and maintenance of the Subversion/CVS Repositories, views, and the access control strategies.
• Used GIT as source code management tool: creating local repo, cloning the repo, adding, committing, pushing changes in the local repositories, saving changes for later (Stash), recovering files, branching, creating tags, viewing logs, etc.
• Build and configured Jenkins slaves for parallel job execution. Installed and configured Jenkins for continuous integration and performed continuous deployments.
• Focused on automation integration monitoring and configuration management and Responsible for setup and troubleshooting activities for Automation using Jenkins and Nexus.
• Deployed the applications to Web Sphere Application Server 5.0 and static content to Apache web servers and Developed build and deployment processes for Pre-production environments.
• Extensively used ANT tool to do the builds, integrated ANT to Eclipse and did local builds and When required applied patches as per the release process. Managed and document all post deployment issues utilizing the Post Deployments Issue Log.
• Responsible for design and maintenance of the Subversion/CVS Repositories, views, and the access control strategies and Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant and Maven to schedule the builds.
• Merged release branches to the trunk after the production release and resolved the conflicts rose during the merge in both Subversion and Perforce.

Confidential, Atlanta, Georgia

System Administrator

Responsibilities:

• Experienced in provisioning, creating, managing, and accessing virtual machines in a VMware vSphere 5.5/6 environment including vCenter (VCSA), Update Manager, and vSphere.
• Remediation of Security Vulnerabilities in Infrastructure environment.
• Performing Disaster Recovery for Critical environments.
• Worked extensively with Network File System (NFS) for storage.
• Creating logical volumes, extending the file systems using LVM.
• Patch Management, Package Installation/Upgrades and Kernel upgrades.
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Configuring multipath and creating physical volumes, volume groups, logical volumes.
• Installed/Configured the WebSphere server.
• Providing 24/7 support for our customers at operating system level well.
• Installing RHEL6 operating system on servers through CD/DVD or Network (kick start).
• User management - Creating and management of users/groups
• Installation and configuration of Webserver (Apache 2.2.17), MySQL 5.5 and PHP in a LAMP stack.
• Provided support for server and workstation upgrades, backup and disaster recovery monitoring, user account setup and security administration.
• Assisted in upgrading RHEL 5.0 to RHEL 5.5 and RHEL 5.5 to RHEL 6.0 using live upgrade and manual upgrade.
• Installation, configuration, support and security implementation on DNS, DHCP, NFS, HTTPD.
• Created disk partitions and file systems and extended storage space using Logical Volume manager.
• User Group creation, monitoring and maintaining log for system status/health using Linux commands and Nagios system monitor.
• Growing and shrinking the volumes and file systems according to the usage
• Experience with Ansible Access Control.
• Responsible for provisioning, maintaining and improving upon server infrastructure, split between physical data centers
• Configured local firewall and managing IPTABLE.
• Used VI editor to edit necessary files
• Implement and configure the PHP, APACHE, NGINX and NGINX throttling module.
• Installing and configuring various network services such as DNS, DHCP, NFS, SMTP, Apache Server, NIS, Samba, SSH, Telnet, send mail and management of TCP/IP protocols.
• Installation, Upgrading, Patches, Migration, Configuration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX (SUN Solaris, Red Hat Linux) System.
• Worked in the maintenance and support of various website as requested by the clients.
• Installing, configuring and support RHEL 7.x/6.x, Solaris 10/11
• Built new servers from scratch using kickstart (RHEL) and jumpstart (Solaris)
• Performing daily system monitoring, change and configuration management verifying performance and availability of all hardware and server resources by using uptime, netstat, top, free, caaudit, vmstat, iostat and reviewing log.
• Troubleshooting and problem resolution of system performance, networking & ZFS management.
• Updated/patched Linux-Virtual Machine in VMware clusters.
• Used NetBackup for backing up & restoration of file systems.
• Installed and implemented of Apache Tomcat Application Server.
• Supported and implemented system standards, processes and security to maintain corporate IT standards.