SUMMARY

• Over 8+ years of IT Professional Experience includes, Linux and System Administration with a major focus on DevOps, Cloud technologies, Continuous Integration/Deployment, Configuration Management, Source Code Management, and Virtualization technologies which includes Troubleshooting Performance issues.
• Expertise in Amazon AWS Cloud services like EC2, S3, EBS, VPC, ELB, AMI, SNS, RDS, IAM, Route 53, Glacier, Kinesis, Auto scaling, CloudFront, CloudWatch, CloudTrail, Cloud Formation, Elastic Beanstalk, Amazon Lambda, Security Groups.
• Experience with AWS Serverless services as Lambda functions, API Gateway, Fargate for container Deployment and orchestration.
• Experience in using CloudFormation template for reliable provisioning of initial infrastructure (stacks) like IAM roles & policies, S3 buckets and bucket backups on AWS.
• Extensive experience in Azure compute services, Azure Web apps, Azure Data Factory, Azure Media, Content delivery, Azure Networking, Azure Hybrid Integration, Azure Identity Management, Azure SQL Database.
• Experience in Private Cloud and Hybrid cloud configurations, patterns, and practices in Windows Azure and SQL Azure and in Azure Web and Database deployments.
• Expertise in Azure Development worked on Azure web application, Azure storage, AzureSQL Database, Azure Virtual Machines, Azure AD, Azure search, Azure DNS, Azure VPN Gateway and Notification hub.
• Analyzing the windows azure platform issues and reporting bugs to windows azure developers which include Dashboard Monitoring and Alert Monitoring for Azure Platform.
• Strong noledge on Google Cloud Platform (GCP) Compute Engine, Kubernetes Engine, App Engine, Cloud Functions, Datastore, Bigtable and Cloud storage services. Hands on experience in cloning an OpenStack mini Cluster in GCP Compute service.
• Experience in installing and configuring PCF (Pivotal Cloud Foundry) environments and worked on Pivotal's cloud native platform, an integratedstackfrom infrastructure through application development, optimized for rapidly scaling applications to meet the demand.
• Experience in orchestration of Docker Images and Containers using Kubernetes by creating whole master and minion.
• Experience in Building and deploying the application code using CLI of Kubernetes like kubectl, kubelet, kubeadm, Kubespray and Schedule the jobs using kube - scheduler. Managed K8s charts using Helm and created reproducible builds of the Kubernetes applications.
• Managing the helm repository created helm charts out of the configured yaml scripts.
• Creating Grafana Dashboards for monitoring the Kubernetes cluster using Prometheus for gauging the Availability of the API sever, scheduling rate of the Scheduler and using PromQL quires for specific metric.
• Implementing kubernetes auth method to authenticate with Hashi Corp Vault using a Kubernetes Service Account Token then integrates Vault token into a Kubernetes Pod.
• Experience in exploring third-part provisions as eskctl from weaveworks to create the EKS clusters and manage them their on using Nirmata EKS Manager for UI.
• Experience in managing Ansible Tower, Playbooks with Ansible roles, group variables, inventory files, copy and remove files on remote systems using file module.
• Extensively worked on creating Chef Recipes, Chef Roles, Templates, Attributes, Cookbooks and testing of Cookbooks using Food Critic, Test Kitchen & running recipes on nodes managed by on-premise Chef Server.
• Extensively worked on Resiliency testing, AKS Resiliency planning and testing
• Expert in an Orchestration & Migration of CI/CD processes using CloudFormation, Terraform Templates & Containerization of Infrastructure using Docker, which was set up in Vagrant, AWS, and VPC’s.
• Expertise in working with Terraform key features such as Infrastructure as a code (IaaS), Execution plans, Resource Graphs, Change Automation and extensively used Auto scaling launch configuration templates for launching amazon EC2 instances while deploying microservices.
• Extensively worked on Jenkins and Bamboo by installing, configuring and maintaining the purpose of Continuous Integration (CI) and for End-to-End automation for all build and deployments implementing CI/CD for database using Jenkins in Groovy.
• Hands-on experience using MAVEN, ANT, and Gradle as build tools for the building of deployable artifacts (jar, ear & war) from the source and static code analysis using SonarQube.
• Worked in building a shared library dat is been used across our organization for CI/CD. Installed and configured Jenkins using IAAC and JCACS in a Kubernetes environment.
• Worked on Jenkins integration with SonarQube checkmark back dock Jforg Nexus Ansible. Involved in trouble shooting and fixing build and deployment in Jenkins
• Experienced in branching, tagging and maintaining the version across the environments using SCM tools like Git, GitHub, Subversion (SVN) and TFS on Linux and Windows platforms.
• Hands-on experience using MAVEN, ANT and Gradle as build tools for the building of deployable artifacts (jar & war) from the source and static code analysis using SonarQube.
• Good noledge on Installation and Configuration of Nexus repository manager for sharing the artifacts within the company and efficient in using Nexus and Artifact Repository managers for Maven builds.
• Experience in Monitoring server performance with tools like Nagios, Splunk, Dynatrace, Datadog and resolved network related issues with manual commands and Implemented centralized logging management using ELK (Elasticsearch, Logstash, and Kibana) within EC2/ ELB for Elasticsearch.
• Experience in working with SQL databases like MySQL, Oracle 10i/9i/8i, SQL Server and NoSQL database like MongoDB, DynamoDB.
• Expertise in Installation, Support, Configuration with different flavors of LINUX RHEL, CentOS, Oracle Linux (OEL) 6.x/5.x, Debian, and Ubuntu. Installed and configured Red Hat LINUX Kickstart.

TECHNICAL SKILLS

Cloud: AWS, Azure, OpenStack.

Configuration Management Tools: CHEF, PUPPET, ANSIBLE

CI/CD Tools: Jenkins, Hudson, Bamboo

Build Tools: ANT, MAVEN, GRADLE

Container Tools: Docker, Kubernetes, EKS, ECS, ECR, AKS, ACR

Version Control Tools: GIT, CVS, SVN, Bit Bucket, GitHub, GitLab

Monitoring Tools: Nagios, Splunk, ELK, Cloud watch

Scripting: Bash/Shell, Perl, Python, Ruby, PowerShell, Groovy, YAML, C, C++

Databases: MySQL, Oracle 9i/10g/11g, DB2, NoSQL (MongoDB, DynamoDB)

Application Servers: WebLogic 9.x/10.x, WebSphere 6.x/7.x/8.x, JBOSS 4.1

Web Servers: Apache HTTP, Nginx, Apache TOMCAT

Networking: DNS, DHCP, SMTP, HTTP, SNMP

IDE Tools: ECLIPSE IDE, NETBEANS

Operating Systems: Linux (RedHat), Ubuntu, Unix, Windows XP/Vista

PROFESSIONAL EXPERIENCE

Sr. Cloud/DevOps Engineer

Confidential, Austin, TX

Responsibilities:

• Deployed and configured Elasticsearch, Logstash, and Kibana (ELK) for log analytics, and application monitoring in integration with AWS Lambda and CloudWatch. Then store dat logs and metrics into an S3 bucket using Lambda function.
• IntegratedAWSDynamo DB usingAWSlambda to store the values of items and backup the Dynamo DB streams, implemented load balanced, highly available, fault tolerant, auto-scaling Kubernetes AWS infrastructure and microservice container orchestration
• Deployed AWS Cloud services (PaaS role instances) into secure VNets, subnets and designed Network Security Groups (NSGs) to control Inbound & Outbound access to Network Interfaces (NICs), VMs & subnets.
• Worked with Terraform Templates to automate the AWS IaaS virtual machines using terraform modules and deployed virtual machine scale sets in production environment.
• Worked on Container management using Docker by writing Docker files and set up the automated build on Docker Hub and written Docker Compose file for multi container provisioning and Makefile file to build, run, tag and publish a docker container to Elastic Container Registry.
• Configured the Kubernetes provider with Terraform which is used to interact with resources supported by Kubernetes to create several services such as Deployments, services, ingress rules, Config Map, secrets etc., in different Namespaces.
• Integrated Docker container-based test infrastructure to Jenkins CI test flow and set up build environment integrating with Git and Jira to trigger builds using Webhooks and Slave Machines.
• Implemented Docker-Maven plugin and Maven POM to build Docker Images for all microservices and later used Docker file to build the Docker Images from the java jar files.
• Worked with RedHat OpenShift Container Platform for Docker and Kubernetes. Used Kubernetes to deploy scale, load balance and manage Docker containers with multiple namespace versions.
• Built docker images, Created and deployed docker images to open shift. And patch update and scale Openshift environment. Use of Docker and Openshift to manage microservice for developing and testing.
• Implementing clusters using Kubernetes and worked on creating pods, replication controllers, Name Spaces, deployments, Services, labels, health checks, Ingress resources and Controllers by writing YAML files. Integrated them using weave, flannel, calico SDN networking.
• Deployed Kubernetes clusters on top of Servers using KOPS. Managed local deployments in Kubernetes, creating local clusters and deploying application containers. Building/maintaining docker container clusters managed by Kubernetes and deployed Kubernetes using helm charts.
• Developed microservice onboarding tools leveraging Python and Jenkins, allowing for easy creation and maintenance of build jobs, Kubernetes deploy and services.
• Managed Ansible Roles by using tasks, handlers, vars, files and templates in installing, configuring and deploying the webserver application.
• Wrote several Ansible playbooks for the automation dat was defined through tasks using YAML format and run Ansible Scripts to provision Dev servers.
• Used Jenkins as Continuous Integration tools to deploy the Spring Boot Microservices to AWS Cloud and OpenStack using build pack.
• Worked in complete Jenkins plugins and administration using Groovy Scripting, setting up CI for new branches, build automation, plugin management and securing Jenkins and setting up master/slave configurations. Deployed and configured Git repositories with branching, forks, tagging, and notifications.
• Installed Jenkins Plugins for GIT Repository, Setup SCM Polling for Immediate Build with Maven and Maven Repository (Nexus Artifactory).
• Worked with MAVEN for building the application, and written maven scripts and shell scripts to automate the build process. Daily maintenance of GIT source repositories and builds.
• Setup SCM Polling for Immediate Builds with Maven and Maven Repository (Nexus Artifactory) by installing Jenkins Plugins for GIT Repository.
• Used Git for source code version control and integrated with Jenkins for CI/CD pipeline, code quality tracking and user management with build tools Maven and Ant and written Maven pom.xml build script.
• Used MAVEN as a build tool for Java projects and written Maven POM files from scratch for multi-module projects for the development of build artifacts on the source code.
• Setup Continuous Delivery pipeline using Ansible playbooks. This primarily consists of a Jenkins to run packages and various supporting software components such as Maven.
• Developed Perl, PowerShell, Shell scripts, used Maven scripts to build the source code.
• Worked on Power Shell scripts to automate the AWSCloudsystem in creation of Resource groups, Web Applications, security groups, firewall rules.
• Troubleshooting of network issues using DHCP, DIG, DNS, SNMP, SMTP, netstat, NFS, NIS, nslookup, RIP, OSPF, BGP, TCP/IP, and TCP dump.
• Installed, configured and Administrated of all UNIX/LINUX servers on AWS, includes the design and selection of relevant hardware to support the installation/upgrades of Ubuntu, CentOS.
• Deployed Splunk forwarders, indexers and search heads to monitor, analyze and visualize the AWS VM's on the Splunk dashboard dat halps in increasing the cluster performance.

Environment: Amazon Web Services, OpenStack (Kilo/Liberty), Chef, Ansible, Docker, Kubernetes, Maven, Jenkins, GIT, Cassandra, AEM, Python, Openshift, Jira, Terraform, Elasticsearch, Logstash, ELK, AWS Lambda, CloudWatch, S3 bucket.

Sr. DevOps Engineer

Confidential

Responsibilities:

• Provided highly durable and available data by using S3 data store, versioning, lifecycle policies, and create AMIs for mission-critical production servers for backup.
• Designed the data models to be used in data-intensive AWS Lambda applications. which are aimed to do complex analysis creating analytical reports for end-to-end traceability, lineage, and definition of Key Business elements from Aurora.
• Migrating Data from a PostgreSQL DB Instance to an Aurora PostgreSQL DB Cluster by Using an Aurora Read Replica by configuring VPC security groups to secure network access to the DB cluster.
• Wrote Terraform scripts to automate AWS services which include Web servers, ELB, Cloud Front distribution, Database, EC2, database security groups and S3 bucket.
• 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.
• Experienced in Provisioning of IaaS & PaaS Virtual Machines and Web/Worker roles on Microsoft Azure Classic and Azure Resource Manager.
• Worked on Configuration of the Internal load balancer, load balanced sets and Azure Traffic manager.
• Hands on experience on Azure VPN-Point to Site, Virtual Networks, Azure Custom security, endpoint security and firewall.
• Wrote Chef Cookbook/Recipes using Chef Resources, Ruby DSL, Chef Handlers Report and Exception, Test Kitchen, ChefSpec and Vagrant.
• Maintained automated environment using Chef Recipes & Cookbooks within AWS and involved in Knife and Chef Bootstrap process, converted production support scripts to chef recipes and AWS server provisioning using chef recipes.
• Created additional Docker Slave Nodes for Jenkins using custom Docker Images and pulled them to Cloud, worked on all major components of Docker like Docker Daemon, Hub, Images, Registry.
• Implemented a load balanced, highly available, fault tolerant, auto-scaling Kubernetes AWS infrastructure and microservice container orchestration.
• Leveraging kops implemented a Kubernetes Container Orchestration solution within AWS allowing for easy management, creation and recovery of AWS assets.
• Used MAVEN as a build tool on Java projects and written maven POM files from scratch for multi-modules projects for the development of build artifacts on the source code.
• Provisioned the highly available EC2 instances using Terraform and CloudFormation and wrote plugins to support new functionality in Terraform.
• Provided automation, continuous integration through Jenkins and Implemented Jenkins Workflow and Plugins for repeatable deployments of multi-tier applications, artifacts and services to Docker.
• IntegratedAWSDynamo DB usingAWSlambda to store the values of items and backup the Dynamo DB streams and Utilized Cloud Watch to monitor resources such as EC2, Amazon RDS DB services, Dynamo DB tables, EBS volumes, to set alarms for notification or automated actions, and to monitor logs for a better understanding and operation of the system. IntegratedAWSDynamo DB usingAWSlambda to store the values of items and backup the Dynamo DB streams.
• Deployed and configured Elasticsearch, Logstash, and Kibana (ELK) for log analytics, full-text search, application monitoring in integration with AWS Lambda and CloudWatch. Then store dat logs and metrics into an S3 bucket using Lambda function.
• Designed an ELK (Elastic Logstash Kibana) system to monitor and search enterprise alerts and configured ELK stack in conjunction with AWS and using Logstash to output data to AWS S3. Terminated SSL on to Nginx to remove overhead on API servers.
• Implemented JIRA to track all issues pertaining to the software development lifecycle and Integration of JIRA with Git repository to track all code changes.

Environment: AWS (EC2, EBS, S3, VPC, Code Deploy, Code Commit, Elastic search, Lambda, API Gateway, Route 53 (DNS), ECS, CloudFormation, RDS, Dynamo DB, SNS, SES, SQS, IAM, RedShift, Ops Works), Maven, Chef, Docker, Kubernetes, OpenStack (kilo/ Juno), Jenkins, GIT, Python, Datadog, Jira.

DevOps Engineer

Confidential

Responsibilities:

• Managed Azure Infrastructure Azure Web Roles, Worker Roles, SQL Azure, Azure Storage, Azure AD Licenses, Office365. Virtual Machine Backup and Recover from a Recovery Services Vault using Azure PowerShell and Portal.
• Created AZURE automated assets, Graphical runbooks, PowerShell run books dat will automate specific tasks. Expertise in deploying AZURE AD connect, configuring ADFS installation using AZURE AD connect
• Deployed Cloud services (PaaS role instances) and AZURE IaaS Virtual machines (VMs) into secure subnets and VNets and designed Network Security Groups (NSGs) to control inbound and outbound access to network Interfaces (NICs), subnets and VMs.
• Created and configured HTTP Triggers in theAZUREFunctions with Application insights for monitoring and performing load testing on the applications using the VSTS.
• Involved in dealing with windows (IaaS) Virtual Networks, Virtual Machines, Cloud Services, Resource Groups, Express Route, Traffic Manager, VPN, Load Balancing, Application Gateways, Auto-Scaling.
• Designed AZURE Resource Manager (ARM) templates and custom build steps using PowerShell. Identified and logged defects in VSTS and interacted with developers to prioritize the issues.
• Involved in managing Private Cloud and Hybrid cloud configurations and practices in Windows AZURE, SQL AZURE, AZURE Web and Database deployments. Upgraded and Migrated web applications to latest .Net framework versions and AZURE platforms.
• Handled continuous integration with Jenkins by using various plugins like Global Build Stats, Multiple SCMs, Parameterized Trigger and Configuration Slicing to increase the productivity.
• Setup SCM Polling for Immediate Builds with Maven and Maven Repository (Nexus Artifactory) by installing Jenkins Plugins for GIT Repository.
• Worked with MAVEN for building the application, and written maven scripts and shell scripts to automate the build process. Daily maintenance of GIT source repositories and builds.
• Provided automation, continuous integration through Jenkins and Implemented Jenkins Workflow and Plugins for repeatable deployments of multi-tier applications, artifacts and services to Docker.
• Worked in complete Jenkins plugins and administration using Groovy Scripting, setting up CI for new branches, build automation, plugin management and securing Jenkins and setting up master/slave configurations. Deployed and configured Git repositories with branching, forks, tagging, and notifications.
• Designed, installed, and implemented the Ansible configuration management system and used Ansible to manage Webapps, used Ansible Tower to automate repetitive tasks, quickly deploy critical applications and proactively manages change.
• Worked with Terraform Templates to automate the AZURE IaaS virtual machines using terraform modules and deployed virtual machine scale sets in production environment.
• Created and maintainedVMwarehost clusters for High Availability (HA), Distributed Resource Scheduling (DRS) and Distributed Power Management (DPM).
• Worked on Container management using Docker by writing Docker files and set up the automated build on Docker Hub and written Docker Compose file for multi container provisioning for local development and Makefile to build, run, tag, and publish a docker container to AZURE Container Registry.
• Integrated Docker container-based test infrastructure to Jenkins CI test flow and set up build environment integrating with Git and Jira to trigger builds using Webhooks and Slave Machines.
• Deployed Kubernetes clusters on top of Servers using KOPS. Managed local deployments in Kubernetes, creating local clusters and deploying application containers. Building/maintaining docker container clusters managed by Kubernetes and deployed Kubernetes using helm charts.
• ManagedKubernetescharts using Helm. Created reproducible builds of theKubernetesapplications, managed Kubernetes manifest files and Managed releases of Helm packages
• Configured the Kubernetes provider with Terraform which is used to interact with resources supported by Kubernetes to create several services such as Deployments, services, ingress rules, Config Map, secrets etc., in different Namespaces.
• Mentored developers in Kubernetes design and custom application implementation and created a mesh pod network between Kubernetes clusters.
• Configuring and managing an ELK stack, set up the elastic search ELK Stack to collect search and analyze log files from across the servers and integration of Application with monitoring tool New Relic for complete insight and proactive monitoring.
• Generated reports using JIRA for creating projects, assigning permissions to users and groups for the project and created mail handlers and notifications schemes for JIRA.
• Involved in Jira as defect tracking system and configure various workflows, customizations, and plug-ins for Jira bug/issue tracker.
• Worked using vSphere where in experienced with VSAN for storage and NSX for network virtualization.
• Worked on bash scripting to automate the configuration of services which was passed as a user data to the instance while getting provision.

Environment: - AZURE (Web Roles, Worker Roles, SQL AZURE, AZURE Storage, AZURE AD, Office365, RBAC), OpenStack, Chef 13.x/12.x, Ansible 2.4, Docker 1.13.1/1.12.6 , Kubernetes 1.8/1.7, Maven 3.5.x, Jenkins 2.10x, GIT-2.1x/2.x, Cassandra 2.x/3.0, Python 3.6, Jira 6.4, Dynatrace.

Build & Release Engineer

Confidential

Responsibilities:

• Responsible for Creating Builds, Staging and deploying Software Content across multiple environments (DEV, QA, Demo, Test, Staging, UAT and Production).
• Designed and managed Build and Release cycle activities in Agile Methodologies. Developed build and deployment processes for Pre-production environments. Managed Sonatype Nexus an enterprise-level package management server.
• Used Puppet to manage Web Applications, Configuration Files, Database, and Packages. Used Puppet to automate Configuration management & Applications.
• Implemented Puppet modules for server housekeeping. Built a new CI pipeline. Testing and deployment automation with Puppet.
• Enhanced Configuration Management using PUPPET to assist with automated, repeatable, and consist configuration and application deployments.
• Automated the Builds of Java and PHP applications using Bamboo CI tool. Integrated the Bamboo with Maven
• Administration of Bamboo. Implemented a Continuous delivery framework using Bamboo, and Oracle in Linux Environment.
• Installed and configured Bamboo server for CI to automate the release management for applications and created a continuous delivery pipeline.
• Installing, configuring and maintaining DB servers, LAMP server and file sharing servers like Samba, NFS, FTP and Web Sphere & Web Logic Application Servers.
• Migrating J2EE applications to UNIX and Windows environments by configuring application via Subversion, and Jenkins also Worked closely with the Development Team in the design phase and developed Use case diagrams using Rational Rose.
• Setting up Jobs for Plugin Management, Build/Deploy Pipeline setup and User management.
• Maintained build related scripts developed in shell for Maven builds. Created and modified build configuration files including POM.xml. Configured Jenkins to build Java Code using Meta Case Software and executed CI process on the Java code generated.
• Installed and configured database agents to troubleshoot slow response times and excessive loads.
• Developed and implemented Software Release Management strategies for various applications according to the Agile process.
• Configured Linux servers for clusters of Oracle Real Application and configured SAN based mount points as well.
• Integrated Unit Tests and Code Quality Analysis tools like JUnit, PMD, find bugs and check style.

Environment: s: Maven, Bamboo, Puppet GIT, Chef, Docker, Selenium, Maven, Jenkins, ANT, Python, Jira, Nagios.

System Engineer

Confidential

Responsibilities:

• Administered Redhat Enterprise Linux 5.x/ 4.x, OEL 5.x, & Solaris 9 Servers by testing, tuning, upgrading, patching and troubleshooting both Physical and virtual server problems.
• Installed and maintained regular upgrades of Red Hat Linux Servers using kickstart-based network Installation and maintained a RHEL satellite server, Apache web server and sftp.
• Created the LDAP Scripts which monitors the LDAP connectivity and alerts the Admin Group if the connection is closed. Also administered Active Directory Servers.
• Configured Proxy Server (Squid), DNS, FTP and DHCP servers on Red Hat Enterprise Linux and maintained system securities using IPTABLES.
• Used Veritas File system and Veritas Volume Manager 5.0 to configure the RAID 1 & RAID 5 Storage System for more redundancy.
• Installation and configurations ofApache Web Server, Nginx & Tomcat Serverin RHEL 6.4 & above.
• Having experience in Hardware maintenance, replacement of the server, Upgrade of Kernel & OS, Server migration and Virtualization.
• Database backup using RSync.
• Hardware /software fault detection and vendor liaison.
• Resolving Server Hung issues and Login issues (SSH) on Linux machines.
• Troubleshooting H/W issues of production servers
• Installing, upgrading and removing packages by using RPM and YUM package management.
• Installation and Configuration of NFS, FTP, SSH, Samba Server, DNS and Apache servers.
• Developed PERL & Shell scripts for automation of the build and release process. Developed automation scripting in Python to deploy some applications.
• Upgraded Red hat Linux OS on WebSphere and Oracle database servers from V3, V4 to V5. Monitored servers, switches, ports etc. with Nagios monitoring tool.
• Responsible for setting up Cronjobs scripts on production servers and implementation of password less (SSH) authentication between servers.

Environment: RedHat Enterprise Linux 5.x/4.x, OEL 5.x, Solaris 9, LVM, RAID, Oracle, WebSphere, MySQL, TCP/IP, DNS, NIS, NFS, ClearQuest, Apache Tomcat, Storage Backups

Linux Administrator

Confidential

Responsibilities:

• Management of user accounts, files and directory permissions, and securing UNIX systems to match industry best practices. Wrote shell scripts for automation of daily tasks and created jobs as per performance of the client’s network statistics(/var/log/messages). Built backup scripts to store VM images on local machine and mirrored the images on to web-server, with rsync.
• Experience in Installation, Configuration, Upgrade, Patches, and performance tuning on UNIX and system software & hardware.
• Installation and configuration of Tomcat Application Server
• Installation and configuration of Webservers (Apache, Nginx).
• Analyzing system logs, error logs, and Application logs for resolving issues.
• Troubleshooting OS, Hardware and Network related problems.
• Installed and configured Nagios Monitoring tool to monitor the services. Monitoring of web servers and other services using Nagios monitoring tool.
• Configuration of Remote Access utilities, providing user access control on services liketelnet, FTP, and ssh.
• Installation and Configuration of NFS, FTP, SSH, Samba Server, DNS, DHCP and Apache servers.
• Disk Management using LVM and Hardware Raid.
• Experienced with inter networking using TCP/IP and resolving network connectivity using tools like dig, nslookup, ping. Configured kickstart server and updating/applying patches to the servers using Red Hat Satellite server. Maintained Samba File Server for user authentication, syslog domain and file sharing.
• Involved in designing Firewall rules for new servers to enable communication with applications, Oracle 10g servers.

Environment: s: LINUX/UNIX, Solaris, Virtual Machines, Samba Server, NFS Server, NIS Server, TCP/IP, Oracle 10g, Kickstart, Red Hat Satellite, VM ware/Box.