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Sr. Devops/cloud Engineer Resume

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Franklin, WI

PROFESSIONAL SUMMARY:

  • 8 years of experience in IT industry comprising of SCM, Build/Release Management and Change/Incident Management performing duties such as monitoring, automation, deployment, documenting, support and troubleshooting.
  • Designed, built and deployed multitude applications utilizing almost all the AWS (Including EC2, S3, Elastic Beanstalk, Elastic Load Balancing (Classic/Application), Auto Scaling, RDS, VPC, Route53, CloudWatch and IAM), focusing on high - availability, fault tolerance, and auto-scaling with CloudWatch monitoring.
  • Experienced in DevOps tools such as Chef, Vagrant, Puppet, Ansible, Jenkins, Maven, ANT, SVN, GIT, and Docker.
  • Extensive knowledge in migrating applications from legacy data center to AWS and Worked with networking teams in configuring AWS Direct Connect to establish dedicated connection to datacenter.
  • Experienced in using CloudFront to deliver content from AWS edge locations to users, allowing for further reduction of load on front-end servers.
  • Employed automation, utilizing PowerShell and batch scripting best practices and CloudFormation templates, to ensure repeatable deployments and for automating the AMI image deployment.
  • Managed deployment automation using Packer-Docker, terraform to automate system operations.
  • Create AWS infrastructure such as EC2 instances, VPC, S3 buckets using Terraform templates and convert them to AMIs using Packer for production usage as a part of a continuous delivery pipeline.
  • Ability to deployment on AWS, using build scripts (AWS CLI) and automate solutions using Shell and Python.
  • Experience in building private cloud infrastructure of OpenStack, deploying through puppet and maintaining them in production and tested OpenStack environment i.e. Nova, Swift, Cinder, Neutron, Horizon, Keystone, & Glance.
  • Also experienced in tracing complex build problems, release issues and environment issues in a multi-component Openstack environment.
  • Created functions and assigned roles in AWS Lambda to run python scripts, and AWS Lambda using java to perform event driven processing.
  • Experienced in Azure Storage development and design utilizing Blobs, Pages, Queues, Tables and VM’s and involved in designing classes to programmatic control of Azure and Monitoring an Azure VM Cluster.
  • Experienced in DevOps practices using AWS Elastic Bean stalk and Docker with Kubernetes.
  • Experience on implementing Azure Application Insights and OMS for monitoring applications and servers. Solution development for OMS Alerting and Remediation.
  • Improved application performance using Azure Search and Internet of Things (IoT) optimization and Implemented Azure Application Insights to store user activities and error logging.
  • Extensively worked on Vagrant & Docker based container deployments to create environments for dev teams and containerization of env's delivery for releases.
  • Created Docker Images using a Dockerfile. Worked on Docker container snapshots, removing images and managing Docker volumes.
  • Automated application deployment in the cloud using Docker technology and using Elastic Container Service scheduler.
  • Experienced with container-based deployments using Docker, working with Docker images, Docker Hub and Docker registries and Kubernetes.
  • Experienced in using Docker, Kubernetes and OpenShift to manage micro services for development of continuous integration and continuous delivery.
  • Worked on rolling updates using the deployments feature in Kubernetes and implemented BLUE GREEN deployment to maintain zero downtime to deploy process in Tomcat, Nginx using Python and Shell Scripts to automate log rotation of multiple logs from web servers and automating administration tasks.
  • Worked on the Deployment, Configuration, Monitoring and Maintenance of OpenShift Container Platform.
  • Maintained and developed Docker images for a tech stack including Cassandra, Kafka, Apache, and several in house written java services running in Google Cloud (GCP) on Kubernetes.
  • Extensive experience using MAVEN and ANT as a Build Tool for the building of deployable artifacts from source code to write Pom.xml and Build.xml respectively.
  • Installing, configuring and administering Jenkins CI tool on Linux machines and built Continuous Integration and Continuous delivery environment and used Nginx as reverse proxy for securing Jenkins using OPEN SSL.
  • Managing Jenkins jobs based on Groovy using Jenkinsfile and Maven script, also use plugins at some points for test builds, promote the artifacts to S3 and Jfrog, also setting up multi-pipeline jobs to build based on dependencies.
  • Experienced in automating Bamboo builds, integration of Docker images for CI process and deploying projects to enable CI/CD pipeline.
  • Experience in writing Chef Recipes, Cookbooks using Ruby to deploy on build for internal Data Centre Servers. Also, re-used and modified same Recipes and Cookbooks to create a Deployment directly into EC2 Instances.
  • Experience in concepts of Chef like Environments, DataBags, Knife, Berkshelf, Test-Kitchen and Organizations.
  • Installed and configured Chef Server, workstation and nodes via CLI tools and wrote Dockerfile to create new images based on working environments for testing purposes before deployment.
  • Worked on Ansible and Ansible Tower as the configuration management, for managing changes to deploy critical applications and for automating repetitive tasks.
  • Supported API development team in creating Ansible playbooks for deploying, integrating and monitoring their continuous integration environment.
  • Wrote Ansible Playbooks, Roles using YAML with different modules in to setup Continuous Delivery Pipeline. Deployed micro services, including provisioning AWS environments using Ansible Playbooks.
  • Created NFS mounts between horizontal clustering nodes and created Symbolic links between files. Developed Puppet modules and manifests to automate deployment, configuration and lifecycle management of key clusters.
  • Used Puppet to deploy Elastic Search, Logstash, Kibana for automating continuous deployment (CD) and configured Slave Nodes and deployment failure reporting.
  • Deployed Zabbix to monitor and alert the health of Nova, Neutron, Keystone and other OpenStack services.
  • Support an Agile CI/CD Environment as a DevOps Engineer where we make the Atlassian tools (Jira, Confluence and Bitbucket) and provide Layer 3 support on these tools if there are any issues.
  • Infrastructure management, infrastructure Health metrics and monitoring using CloudWatch, Nagios and Splunk.
  • Experience in setting up ELK (Elasticsearch-Logstash-Kibana) platform, parsing unstructured logs using regular expressions to be structured in JSON format. Used JIRA as a Change Management/ Work Management/ SCRUM, Agile Tool.
  • Created and wrote Shell Scripts (Bash), Ruby and Power Shell for setting up branching, merging, and automation processes across the environments using SCM tools like GIT, Subversion and TFS on Linux and windows platforms.
  • Experienced in creating and configuring GitHub Webhooks to receive HTTP POST payload to Webhooks configured URL.
  • Experienced in installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like NIS, NIS+, LDAP, DNS, TCP/IP, NFS, DHCP, NAS, FTP, SSH and SAMBA.
  • Experience in Linux Administration, Installation, Configuration, Tuning and Upgrades of Linux.
  • Day-Day application support on production and technical documentation for critical production issues, on-call pager support 24 / 7 environment.

TECHNICAL SKILLS:

Build Tools: Ant, Maven, Gradle

Scripting Languages: Bash, Shell, Ruby, Perl, Python

Version Controllers: Subversion, GIT, CVS, TFS

Configuration Management: Puppet, Chef, Ansible

CI Tools: Jenkins, Bamboo, GitLab CI

Operating Systems: Windows, Linux, Unix.

Databases: Oracle, MySQL, MongoDB, Cassandra DB

Change Management: AppDynamics, Service Now, PVCS Tracker.

Web/Application Servers: Tomcat, HTTP Server, WebLogic, JBoss.

Bug Reporting Tools: Bugzilla, JIRA and Rational Clear Quest.

Monitoring Tools: Nagios, Splunk, New Relic, Zabbix

Cloud Platforms: AWS, Azure, Google cloud, OpenStack

Cloud Management: Right Scale

Container Management: Docker Engine, Kubernetes, OpenShift

PROFESSIONAL EXPERIENCE:

Confidential, Franklin, WI

Sr. DevOps/Cloud Engineer

Responsibilities:

  • Involved in migrating Linux/Windows Applications to cloud (AWS) and testing the whole process.
  • Built servers using AWS: Importing volumes, launching EC2, RDS, creating security groups, auto-scaling, load balancers (ELBs) in the defined virtual private cloud.
  • Automating backups by shell for Linux to transfer data in S3 bucket.
  • Managing a production infrastructure on AWS VPC utilizing S3, ECS, Cloud Formation, including Auto Scaling.
  • Creating alarms in CloudWatch service for monitoring the server’s performance, CPU Utilization, disk usage etc.
  • Worked on migrating the code base from the existing private cloud (OpenStack) to public cloud environment AWS.
  • Implemented OpenShift S2I (source to image) tooling for building docker images directly from source code and deployed in containers in OpenShift.
  • Automated CI/CD pipeline in private cloud using Jenkins shared libraries and multibranch pipeline.
  • Automated the static code analysis through SonarQube in Jenkins pipeline for checking code quality.
  • Implemented Blackduck scan in Jenkins Pipeline for checking security vulnerabilities in the built jars.
  • Automated the process of authentication and authorization through identity broker Keycloak by integrating it into Azure Active Directory.
  • Used AppDynamics for performance monitoring and log collection and analysis is done through EFK (Elasticsearch, Fluentd, Kibana).
  • Also, automated CI/CD pipeline in AWS cloud using GitLab CI, Kubernetes and Docker. Configured most of the GitLab CI deployments into Kubernetes by writing. yml files.
  • Written. Gitlab-ci.yml file to configure the CI/CD pipeline in AWS and implemented Clair for security scans in GitLab CI pipeline by configuring it through. Gitlab-ci.yml file.
  • Written build scripts using gradle for gradle builds in GitLab CI pipeline.
  • Optimized Dockerfiles for various applications for better maintenance of docker containers.
  • Involved in upgrading GitLab for the CICD environment using Ansible Tower
  • Used Jinja Ninja (Jinja2) templates to fill the gaps in Ansible for building JSON body for API calls.
  • Secured applications by making the sensitive data into secrets using Ansible Vault and mounting them into Kubernetes cluster.
  • Maintaining the user accounts (IAM), RDS, Route 53, SES and SNS services in AWS cloud.
  • Converting Build and Deployment scripts from Maven to Gradle.
  • Developing Docker images to support Development and Testing teams and their pipelines.
  • Worked on Docker hub, creating Docker images and handling multiple images primarily for middleware installations and domain configurations.
  • Virtualized the servers using the Docker for the test environments and dev-environment needs.
  • Evaluated Docker container technology to replace some virtual environments.
  • Involved heavily in setting up the CI/CD pipeline using GitLab, GitLab CI, Maven, Gradle, Nexus, Ansible Tower, Terraform and AWS.
  • Built scripts using Gradle and MAVEN build tools in J to move from one environment to other environments. Configured GIT with Jenkins and schedule jobs using POLL SCM option.
  • Responsible for installing Jenkins master and slave nodes and configure Jenkins builds for continuous integration and delivery.
  • Planned, implemented and managed Splunk monitoring and reporting infrastructure.
  • Creating change requests, issues and problem tickets using JIRA tool and getting approvals from higher management.
  • Scripted Linux repository database comparisons using Python.
  • Established Continuous Integration (CI) practices and standards with Jenkins and JIRA.
  • Used Zabbix for instance level monitoring (CPU, Memory, Disk) and Microservice health checks added in the pipeline. Used Grafana for container level Monitoring.
  • Worked on setting up monitoring alerts through Slack and PagerDuty by integrating them with Zabbix by sending the alerts to appropriate dev teams
  • Strong hands-on experience on configuring and integrating the servers with different environments and creating new machines using configuration management/provisioning tools like Ansible and Ansible Tower.
  • On-call support for trouble shooting production issues.
  • Patternized the existing applications and various pipelines and most of the work done more for reuse with a proper documentation and published into shared space like SharePoint and Enterprise Wiki.
  • Responsible for the availability, security, access, backup, and performance of the cloud architecture.
  • Extensively worked with various scripting languages like Bash, Shell and Python.

Environment: AWS Cloud, RedHat Linux, Jira, Ansible, Ansible Tower, Ansible Vault, Terraform, Shell, Kanali, F5 Load Balancers, Kubernetes, Docker, Jenkins, SonarQube, Blackduck, OpenID Connect, Keycloak, Nginx, OpenStack, Splunk, Zabbix, EFK, GitLab, GitHub, Slack, Gradle, OpenShift, GitLab CI, Confluence, SharePoint, AppDynamics

Confidential, Atlanta, GA

Sr. DevOps/AWS Engineer

Responsibilities:

  • Designing an Infrastructure for different applications before migrating into amazon cloud for flexible, cost-effective, reliable, scalable, high-performance and secured applications.
  • Worked on AWS EC2 cloud services for installing, configuring and troubleshooting on various Amazon images like Amazon Linux AMI, RedHat, Ubuntu 12.x, 13.x, 14.x, 15.x.
  • Used Packer for updating and managing the AMI’s in the cloud.
  • Implemented a Continuous Delivery pipeline with Docker, Jenkins, GitHub and AWS AMI's
  • Created functions and assigned roles in AWS Lambda to run python scripts, and AWS Lambda using java to perform event driven processing.
  • Triggered LAMDA from DynamoDB where LAMBDA runs data transformation code and loads results into data warehouse by using REDSHIFT which is a Internet hosting service..
  • On-premise to Azure and On-premise to AWS for different tools and DB's.
  • Worked on AWS API Gateway for custom domain and Record sets in Route53 for applications hosted in AWS Environment.
  • Created a workstation/control host and installed AWS CLI and python.
  • Experienced in using Blue-Green Deployment technique for reducing downtime in application deployment.
  • Have built Elastic search, Log stash and Kibana (ELK) for centralized logging and then store logs and metrics into S3 bucket using Lambda function for more than 2 weeks
  • Maintained DNS records using Route53. Give public DNS names to Elastic Load Balancers (ELB) IP's.
  • Configured S3 versioning and lifecycle policies to backup files and archive files in Glacier.
  • Launched Database for MySQL 5.x and Oracle 11.x using RDS in multiple Available zones, have setup monitoring for CPU Utilization and limited DB connections by implementing alarms using Cloud watch.
  • Used CloudFront to deliver content from AWS edge locations to users, allowing for further reduction of load on front-end servers.
  • Created Docker images using a Docker file, worked on Docker container snapshots, removing images and managing Docker volumes.
  • Also, familiar with other advanced tools like Compose, Swarm, Weave (for configuring Networking)
  • Implemented rapid-provisioning and life-cycle management for Cassandra, Linux using Amazon EC2, Chef, and custom Ruby/Bash scripts.
  • Used Kubernetes and Mesos as Container Scheduling Frameworks.
  • Developed microservice onboarding tools leveraging Python and Jenkins allowing for easy creation and maintenance of build jobs and Kubernetes deploy and services.
  • Experience in managing cluster of containers using Docker Swarm, and deployed spring boot applications. Worked on several Docker components like Docker Engine, Hub, Machine, Compose and Docker Registry.
  • Wrote Ansible Playbooks with Python SSH as the Wrapper to Manage Configurations of AWS nodes and Tested Playbooks on AWS instances using Python. Run Ansible Scripts to Provide Dev Servers.
  • Worked on Chef Recipes and cookbooks using Ruby framework to provision the required patches, ELK stack.
  • Written Chef Cookbooks and recipes in Ruby to provision several pre-prod environments consisting of Cassandra DB installations, WebLogic domain creations and several proprietary middleware installations.
  • Managed the Maven Repository using Nexus tool and used the same to share the snapshots and releases of internal projects
  • Worked on installation and configuration of Concourse CI to create pipelines and setup automated workflows for CI/CD (Jenkins) with PCF Full stack Development.
  • Configured security and system in Jenkins added multiple nodes to Jenkins and configured SSH for continuous deployments.
  • Experience with Ansible Tower to manage Multiple Nodes and Manage Inventory for different Environments.
  • Implemented Splunk with large daily indexing volume of 1TB. Create Splunk applications and deploy using Splunk Deployment Server. Analyze logs in the application by using Splunk too.
  • Worked on the installation and configuration of the monitoring tool Nagios and implemented Nagios core/XI for monitoring Infrastructure resources

Environment: Jenkins, Maven, Amazon Web Services, UDeploy, Azure, salt, Chef, JIRA, Maven, Cloudbees Jenkins Nexus, Subversion, Git, VPC, IAM, RDS, ELK, Lambda, Shell, bash, ANT, Maven, docker, Nagios, python, Splunk, Kubernetes, Mesos, VMware, Vagrant, Virtual Box, Red hat, Ubuntu.

Confidential, Eagan, MN

DevOps/AWS Engineer

Responsibilities:

  • Responsible for maintaining 4-5 Different Testing/QA Environments and erection of the PROD Environment in AWS.
  • Strong Experience on AWS platform and its dimensions of scalability including VPC, EC2, ELB, S3, and EBS, ROUTE 53.
  • Designed AWS CloudFormation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
  • Setup and build AWS infrastructure various resources, VPC EC2, S3, IAM, EBS, Security Groups, Auto Scaling, and RDS in CloudFormation JSON templates.
  • Working in implementation team to build and engineer servers for Linux & AIX operating systems. Working on AWS & Openstack cloud to provision new instances. S3 Storage Services. AWS EC2 & Cloud watch services.
  • Integrated Jenkins, Rundeck and Ansible. Designed and developed Jenkins Build deployments.
  • Used CloudFront to deliver content from AWS edge locations to users, allowing for further reduction of load on front-end servers and created the AWS Security groups to enable firewall.
  • Used AWS BeanStalk for deploying and scaling web applications and services developed with Java.
  • Automated AWS volumes snapshot backups for enterprise using Lambda. Created functions and assigned roles in AWS Lambda to run python scripts.
  • Administration and maintenance of Docker runtime environment, Versioning and lifecycle management of Docker Images, Experienced in Docker orchestration framework.
  • Exposure to Mesos Marathon & Zookeeper cluster environment for application deployments.
  • Used Google Kubernetes to provide a platform for automating deployment, scaling, and operations of application containers across clusters of hosts.
  • Installed/Configured/Managed Puppet Master/Agent. Wrote custom Modules and Manifests, downloaded pre-written modules from puppet-forge. Upgradation or Migration of Puppet Community and Enterprise.
  • Using puppet for automation of application such as Tomcat, Apache, WebLogic.
  • Expertise in scripting Ansible playbooks to create networks, routers, VMs using OpenStack REST APIs.
  • Used Devstack, Packstack and all-in-one OpenStack with ansible for various POCs.
  • Worked with Ansible playbooks for orchestration, provisioning, configuration management and application development of LAMP stack.
  • Deploying the OpenStack components on multimode with High availability environment.
  • Customized Ansible role for automated deployments of the Dynatrace Java Agent for Glassfish
  • Used Puppet to deploy ELK for automating continuous deployment (CD) and configured Slave Nodes and deployment failure reporting.
  • Manage deployment automation using Puppet, Roles, Profiles, MCollective, Hiera, and Custom Puppet modules, Ruby and did provisioning & configuring local Vagrant machines for developers with puppet.
  • Enabling GitHub Web Hook for polling SCM and GitHub pull request plugins and Jenkins Web Hook plugin configuration.
  • Experience in using Nagios for monitoring the infrastructure and improving the performance of servers.
  • Querying and reporting from Elastic Search/Kibana, Splunk and MySQL.

Environment: AWS (EC2, VPC, ELB, S3, RDS, Cloud watch and Route 53), OpenStack, GIT, Maven, Ant, Jenkins, Puppet, Docker, Nagios, ELK, Splunk, Jira, Unix/Linux, Shell scripting, Ruby.

Confidential, Chicago, IL

DevOps/System Engineer

Responsibilities:

  • Installation, Maintenance, Administration and troubleshooting of Linux and Windows Operating Systems. and scheduling Cron jobs.
  • Performed Linux OS management tasks which include installing packages using rpm and zypper, creating soft and hard links, YaST for installing and configuration on SuSE operating systems.
  • Installed the Operating System on Solaris and Linux servers and blades over the network.
  • Built virtualized Linux servers on ESX and blade servers to host multiple applications on same chassis across different server hosts.
  • Developed and implemented Software Configuration Management strategies for various applications according to the agile process using Git/GitHub.
  • Responsible for Deployment Automation using multiple tools Chef, Jenkins, GIT, ANT Scripts.
  • Creating a fully Automated Build and Deployment Platform and coordinating code builds promotions and orchestrated deployments using Jenkins/Hudson, and GitHub.
  • Written Chef Cookbooks and Recipes in Ruby to Provision several pre-prod environments consisting of Cassandra DB installations, WebLogic domain creations and several proprietary middleware installations.
  • Worked with Engineers on providing the configuration details of the DEV environments and assisting in Creating CHEF recipes for a Proof of Concept.
  • Written Chef Cookbook, recipes to automate installation of Middleware Infrastructure like Apache tomcat, jdk, and configuration tasks for new environments etc.
  • Created Filesystems from local storage as well as NFS partitions for application portability.
  • Configured Opsware on the servers for event tracking.
  • Managed Sonatype Nexus Repositories to upload and download the artifacts (jar, war & ear)
  • Performed troubleshooting on filesystem failure, network failure and disk failures etc. Used marathon and mesos to check the application status and its log.
  • Installed and administrate JIRA and Confluence in Integration environment and QA environment.
  • High exposure to REMEDY, BUGZILLA and JIRA defect tracking tools for tracking defects and changes for Change management.
  • Developed Cron jobs and Shell Scripts (Perl, Python) for automating administration tasks like file system management, process management, Server reboots etc.
  • Develop, Maintain, update various script for services (start, stop, restart, recycle, Cron jobs) Unix based Korn shell, Bash.
  • Provided 24 X 7 on-call UNIX and Linux Support on a rotating schedule basis.

Environment: Red Hat Linux, Solaris, UNIX, ELK, LVM, Chef, Jenkins, GIT, ANT Scripts, TFS, ESX, Korn shell, Bash

Confidential, Kansas City, MO

Build and Release Engineer

Responsibilities:

  • Provided detailed documentation of complex build and release process, MOPs , build cycles and calendars including creating build reports and Release notes.
  • Created and Maintained Subversion Branching, Merging and tagging across each production releases and perform builds using Continuous Integration using maven Build scripts.
  • Facilitate Source Code Management (SCM) best practices among development QA and solution teams.
  • Involved in building and deploying EAR / WAR files with configuration setting.
  • Developed build and deployment scripts MAVEN as build tools in Jenkins to move from one environment to other environments.
  • Installed Jenkins for continuous integration and written Shell script for end to end build and deployment automation and used Jenkins to automate most of the build related tasks.
  • Managed and controlled source code repository, currently housed in Subversion , Git .
  • Configured Jenkins to obtain the code from SVN and GIT, and analyzed them using the SonarQube/Sonar Scanner, built them using Maven and ANT, Selenium Tests using TestNG, and store the successfully built artifacts to s and Nexus.
  • Participated in the release cycle of the product which involves environments like Development, QA, UAT and Production.
  • Hands on experience on JIRA for creating bug tickets, storyboarding, pulling reports from dashboard.
  • Used ANT scripts and Shell scripts to automate build and release process.

Environment: Subversion, Git, Jenkins, JIRA, Apache Tomcat, LINUX, Ubuntu, Windows 7, Ant Scripts, Shell Scripts.

Confidential

VMware Admin

Responsibilities:

  • Installation, configuration and administration of VMware .
  • Managed Red Hat Linux user accounts, groups, directories and file permissions.
  • Configured yum repository server for installing packages from a centralized server.
  • Maintain servers with puppet for user accounts, packages and other configuration management services.
  • Create templates and deploying Virtual Machines through templates, cloning Virtual Machines and managing Virtual Center permissions.
  • Monitored system performance statistics like storage, CPU utilization and network bandwidth utilization and managed systems routine backup.
  • Worked on PXE booting , DHCP configuration and installing patches and other software on the VMs
  • Responsible for automating the process of setting up the Linux clients for AD Authentication .
  • Installed, configured, and managed virtual machines using VMware ESXi 3.5, Xen Virtualization.
  • Involved in supporting Apache , Tomcat and generated SSL keys for renewing SSL certs on web servers.
  • Involved in developing custom scripts using Python , Perl & Shell (bash, ksh) to automate jobs.
  • Handled the Installation, configuration, and customization of Sendmail services.

Environment: VMware workstation, CentOS 5, CentOS 4, Red Hat 6, Red Hat 5, VMware ESXi 3.5, Apache

Confidential

Linux Administrator

Responsibilities:

  • Installation, configuration and upgrade of Redhat Linux 3/4/5/6, Oracle Linux 5/6 Cent OS 5.7 & operating systems.
  • Involved in health check of servers after patching / rebooting and checked all the services
  • Day to day system administrator activities which includes performance monitoring & tuning, disk space issues, send mail issues, tools related issues, FTP, Telnet and application oriented issues.
  • Performed Patching and upgrades (release), on stand-alone servers (using single user mode), and live upgrade of servers in production using YUM Update/RPM Manager from repository or Red hat subscription management service.
  • Activities include user administration, startup and shutdown scripts, crontab’s, file system maintenance backup scripting and automation using PERL, SHELL scripting (BASH, KSH) for Red Hat Linux systems.
  • Monitoring system resources, logs, disk usage, scheduling backups and restore.
  • Configuring SUDO and granting root permission to users for performing certain activities.
  • Day-Day application support on production and technical documentation for critical production issues, on-call pager support 24/7 environment.

Environment: Red Hat Linux 3.0,4.0,5.0,6.0 AS ES, HP-DL585, Oracle 9i/10g, Samba, VMware Tomcat 3.x, 4.x, 5.x, Apache Server 1.x, 2.x, Bash.

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