SUMMARY

.

• Mastered in Windows Azure Services like PaaS, IaaS, SaaS and dealt with storages like Blob (Page and Block), SQL Azure. Well experienced in deployment and using virtualization tools like Vagrant, VMware, VirtualBox, Citrus Xen and Windows Hyper - V.
• Experience configuring Azure App services, Azure Application insights, Azure Application gateway, Azure DNS, Azure Traffic manager, App services, Analyzing Azure Networks with Azure Network Watcher, Implementing Azure Site Recovery, Azure stack, Azure Backup and Azure Automation.
• Embedded Experience in Authoring Azure Resource Manger templates, Experience in deploying Azure using Agile methodology, Configuring the Azure Load Balancer to Load balance incoming traffic to virtual machines.
• Experience Active Directory, Azure Active Directory, ADFS, Azure Active Directory, Domain Service, SSO and MFA and security
• Hands on experience on Azure VPN-Point to Site, Virtual networks, Azure Custom security, end security and firewall. Used Azure Express Route to set up a private connection to Microsoft cloud services such as a Microsoft Azure , Office 365, and Dynamic 365.
• Excellent noledge in Azure compute services, Azure Web apps, Azure Data Factory & Storage, Azure Media & Content delivery, Azure Networking, Azure Hybrid Integration, and Azure Identity & Access Management.
• Involvement in Server framework advancement on AWS cloud, broad utilization of Virtual Private Cloud (VPC), EC2, Cloud Formation, Cloud Front, Elastic Cache, Elastic Beanstalk, Cloud Watch, SQS, IAM, SNS, EBS, S3, Security Group, Auto Scaling, Dynamo DB, Route53, IoT, API Gateway, AWS Lambda, AWS RedShift and Cloud Trail.
• Worked extensively with Terraform key highlights, for example, Infrastructure as code, Execution designs, Resource Graphs, Change Automation.
• Experienced in Automating, Configuring, and deploying instances on AWS, Azure environments, and Data centers, also familiar with EC2, Cloud watch, Cloud Formation and managing security groups on AWS.
• Experienced Cloud and DevOps engineer in Automating, Configuring, and deploying instances on AWS Cloud environments and Data centers. Involved in High Availability and secure multi AWS cloud infrastructure using Chef with AWS cloud Formation and Jenkins for continuous Integration.
• Expertise in Creating Kubernetes HA clusters with Multi Zones in single region. Hands on with installation and configuration of Kubernetes, clustering them and managed local deployments in Kubernetes.
• Deployed and configured Prometheus to monitor Kubernetes nodes with node-exporter, monitor Kubernetes API and resources with Kube-state-metrics.
• Experience in using Docker and setting up ELK with Docker and Docker-Compose. Actively involved in deployments on Docker using Kubernetes. Familiarity with Docker Swarm. Used Docker Mesos to abstract data center resources and to elastically scale the applications and underlying infrastructure.
• Implemented AWS Lambda functions to run scripts in response to event in Amazon Dynamo DB table or S3 bucket or to HTTP requests using Amazon API Gateway .
• Integrated Jenkins with Docker container using Cloud bees Docker pipeline plugin and provisioned the EC2 instance using Amazon EC2 plugin.
• Designed, Installed and Implemented CI / CD automation system. Created and updated Bash scripts and modules, files, and packages. Installed Docker Registry for local upload and download of Docker images and even from Docker hub .
• Solid hands-on skill on Configuring and coordinating the servers with various environment and making new machines utilizing configuration management/provisioning tools like Chef, Ansible and Puppet.
• Experienced in production-grade Kubernetes that allow enterprises to reliably deploy and run containerized workloads across private and public clouds . Managed Kubernetes charts using Helm .
• Worked with Ansible playbooks for virtual and physical instance provisioning, configuration management, patching and software deployment on AWS environments through automated tools, Ansible / custom pipeline .
• Wrote Ansible Playbooks with Python, SSH as the Wrapper to Manage Configurations of AWS Nodes and Test Playbooks on AWS instances using Python , run Ansible Scripts to provision development servers.
• Experience in using Ansible Playbooks to setup Continuous Delivery Pipeline. Deployed micro services, including provisioning AWS environments using Ansible Playbooks.
• Administered and Engineered Jenkins, Bamboo and Hudson for managing weekly Build, Test and Deploy chain, SVN/GIT with Development, Testing and Production Branching Model for weekly releases.
• Composed and implemented Subversion and GIT metadata including elements, labels, attributes, triggers, and hyperlinks. GIT, Maven, Jenkins administration. Setting up continuous integration and formal builds using Bamboo with Artifactory repository.
• Provisioned the highly available EC2 Instances using Terraform and cloud formation and wrote new plugins to support new functionality in Terraform. Experience in Setting up the build and deployment automation for Terraform scripts using Jenkins.
• Mastered in setting up SSH, SCP, SFTP connectivity between Linux hosts . Installation, configuration and maintenance DNS, NIS, NFS, CIFS, FTP, NIS, Samba Server, LDAP, remote access, security management, and system troubleshooting skills.
• Installing RedHat Linux ES 4.x/5.x using kickstart and applying security polices for hardening the server based on the company policies. Used Veritas Volume Manager, Solaris Volume Manager, LVM with Linux for Volume Management. The file systems that were used were VxFS, ZFS, UFS, ext3 and ext4 .
• Strong experience utilizing Jenkins/Hudson for enterprise scale infrastructure configuration, crating required scripts( Python ), java application deployments and checking out the code from GIT and SVN and collaborate Ant and Maven to build Jar, war, tar, and ear artifacts.
• Configured and managed an ELK stack, setup the Elastic search ELK Stack to collect, search and analyze log files across the servers. Evaluated system logs using ELK software stack .
• Involved in utilizing Ticketing & Bug tracking tools like JIRA and used SonarQube for automated code review.
• TECHNICAL SKILLS Great communicative, interpersonal, and leadership abilities with capacity to work effectively in both autonomous and group work situations. Capacity to memorize and adjust rapidly to rising modern technologies/frameworks/environments. Self-motivated and self-reliant and can adjust to any kind of environment.

TECHNICAL SKILLS

Cloud: Azure, AWS, Open Stack, PCF, GCP.

Configuration Management tools: Ansible, Chef, Puppet

CI/CD & Build Tools: Jenkins, Hudson, Bamboo, ANT, Maven

Version Control tools: GIT, Subversion

Monitoring Tools: Nagios, SPLUNK, ELK, New Relic, Graylog, Graphene, Zabbix.

Languages: C, C++, JAVA, J2EE

Databases: MySQL, NoSQL, MongoDB, DynamoDB, Elasticache.

Application servers: Web Logic Application Server 8.x, 9.x, 10.x, Apache Tomcat 5.x/7.x, Red Hat JBOSS 4.22.GA, WebSphere /4.x/5.x6.x/7.x/8.x, Web Logic (8/9/10) & SAMBA

Containers Tools: Docker, Docker Compose, Docker swarm, Docker Mesos, Kubernetes

Operating Systems: Linux (Red Hat 4/5/6/7, CENTOS & SUSE), Solaris 11/10/9, HP-UX 11.23, 11.31, (4.3/5.x/6.x/7.x), Ubuntu 12/13/14, Windows NT /2000/2003, DEBIAN.

Scripting Languages: Python, Ruby, Perl, PHP, Bash, Power shell.

Virtualization Tools: VMware, Windows Hyper-V, Virtual box, Vagrant, Citrix Xen.

Atlassian Tools: JIRA, Confluence, Bitbucket, Bamboo.

Networking/Protocol: TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/TFTP, SAMBA

Volume Manager: VERITAS Volume Manager, Solaris Volume Manager, veritas with Linux.

PROFESSIONAL EXPERIENCE

Sr. Azure/DevOps Engineer

Confidential 

Responsibilities:

• Created Azure Automation Assets, Graphical runbooks, PowerShel l runbooks that will automate specific tasks. deployed Azure AD Connect , configuring ADFS autantication flow , ADFS installation using Azure AD Connect.
• Worked on AZURE (IaaS) migrating like creating AZURE VMs, storage accounts, VHDs, storage pools, migrating on premise servers to AZURE and creating availability sets in AZURE and performed Hardening of the VM’s and also disk encryption using the KEK key in MS Azure .
• Worked on AZURE Site Recovery and AZURE Backup- Installed and Configured the AZURE Backup agent and virtual machine backup, Enabled AZURE Virtual machine backup from the vault and configured the ASR.
• Developed microservice onboarding tools leveraging Python and Jenkins for easy creation and maintenance of build jobs and Kubernetes deploy and services.
• Performed configuration of Azure Web Apps, App services, Application insights, Azure DNS, Azure Network Watcher and implementing Azure site recovery, Azure stack, Backup and Automation.
• Configured diagnostics, monitoring and analytics on Azure using API Management, Logic Apps and set up documentation using Swagger API , while focusing on scale and resilience for Azure Web Apps .
• Developed Restful API and created VMs in Azure using CURL command and http request (Put, Get, Update, Delete, etc.,). Generated access token, subscription ID, tenant ID and client ID using Azure Active Directory in app registration.
• Transformed current Terraform modules that had version conflicts to empower controls and missing potency. Also, had written Templates infrastructure as a code using Terraform to build staging and production environments.
• Designed and configured Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, and security policies and routing.
• Used Ansible and Ansible Tower as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Configured Kubernetes Services type load balancer and Cluster IP to expose UI based application and migrated cluster CNI from Flannel to Kube-router to support Kubernetes network policies.
• Utilized ARM template to build high-availability SQL for application backend infrastructure and virtual machine front-end scale sets, with multiple servers for other dedicated functions, including reporting, scripting, and scheduling.
• Created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and Managed releases of Helm packages.
• Worked with Terraform Templates to automate the Azure IaaS virtual machines using terraform modules and deployed virtual machine scale sets in various environments.
• Used Docker and setting up ELK with Docker and Docker-Compose. Implemented ELK (Elastic Search, Log stash, and Kibana) Stack for Application Logging.
• Created the Kubernetes Clusters under Pod networks to group the Docker containers. Used Kubernetes and Docker to maintain the runtime environment for the CI/CD system to build, test and deploy the applications across different environments.
• Used Jenkins and pipelines to drive all micro services builds out to the Docker-registry and tan deployed to Kubernetes, Created Pods and managed using Kubernetes.
• Worked with Terraform Templates to automate the Azure IaaS virtual machines using terraform modules and deployed virtual machine scale sets in various environments.
• Worked on deployment automation of all the microservices to pull image from the private Docker registry and deploy to Docker swarm cluster using Ansible.
• Used Ansible Tower, which provides an easy-to-use dashboard and role-based access control, so that it's easier to allow individual teams access to use Ansible for their deployments
• Took advantage of Jenkins for enterprise scale infrastructure configuration, creating required scripts in Python and checking out the code from GIT and use Maven pom.xml to build Jar, war, tar and ear artifacts.
• Worked with JIRA templates for allotting permissions to users and groups for the projects & created mail handlers and notification Schemes for JIRA. Evaluation and manage Confluence add-ons and macros. Documented troubleshooting, installation and server’s information in confluence and bitbucket.
• Performed user administration; startup and shutdown scripts; cronjobs, file system maintenance and backup scripting and automation using shell scripting (BASH, KSH) and Perl for Red Hat Linux systems. Extensive experience in Unix System Administration, System Builds, Server Builds, Installations, Upgrades, Patches, Migration, Trouble shooting on RHEL.

Environment: J2EE, AWS, Azure, Docker, Kubernetes, Ansible, Maven, Jenkins, Shell, Perl, Python, XML, PowerShell, WebSphere Server, JBOSS, SMABA, Nginx, Apache Tomcat, LDAP, Sonar, GIT, JFrog, VERITAS, SPLUNK, JIRA, Confluence, Agile Methodology, JAVA, UNIX and LINUX.

Sr. Cloud/DevOps Engineer

Confidential, CA

Responsibilities:

• Involved in designing and deploying applications utilizing all the AWS stack including Route53, Dynamo DB, SNS, SQS, LAMBDA, Code Deploy, focusing on high-availability, fault tolerance and auto-scaling in AWS cloud formation Templates.
• Integrated AWS DynamoDB using AWS Lambda to store the values items and backup the DynamoDB streams. and ensured data integrity and data security on AWS technology by implementing AWS best practices.
• Extensively worked on AWS tasks such as migrating applications to Cloud, importing volumes, optimizing EC2, configuring and migrating to RDS, S3 storage, creating security groups, auto-scaling, elastic load balancers (ELBs) and DNS.
• Configured AWS Identity and Access Management (IAM) Groups and Users for improved login autantication. Created AWS RDS Aurora DB cluster and connected to the database through an Amazon RDS Aurora DB Instance using the Amazon RDS Console.
• Worked on AWS Lambda to run the code in response to events, such as changes to data in an Amazon S3 bucket, Amazon DynamoDB table, HTTP requests using AWS API Gateway and invoked the code using API calls made using AWS SDKs.
• Automate the process of creating EC2 instances using cloud formation/Jenkins and install software using ansible playbook in them. Developed JSON templates with ansible script to fully automate the process with Jenkins job.
• Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances
• Worked with Terraform key features such as Infrastructure as code, Execution plans, Resource Graphs, Change Automation.
• 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.
• Implemented Docker to provision slaves dynamically as needed. Created and maintained Docker files in Source Code Repository build images. Handled multiple Docker images primarily for middleware installations and domain configurations.
• Developing the Python automated scripting using Boto3 library for AWS Security audit and reporting using AWS Lambda for multiple AWS Accounts.
• Implemented a continuous Delivery Pipeline with Docker, Jenkins, and GitHub to build a new Docker container automatically using Jenkins when a new GitHub branches are created.
• Installed and supervised Middleware tools through docker such as WebSphere Application Server 7.x/8.x, JBOSS GA7/EAP6, Apache, Tomcat, Active MQ and other web-oriented applications.
• Design, implementation, and documentation of SAML solution for Java and PHP Technology stacks to be provisioned cloud environment.
• Composed Ansible Playbooks with Python SSH as the Wrapper to Administer Configurations of OpenStack infrastructure and Test Playbooks on OpenStack instances using Python.
• Configured nodes express applications in production and pre-production environment by Configuring with Nginx and Ansible Web servers.
• Deployed J2EE applications to Application servers in an agile continuous integration environment and further automated the entire process. Build scripts using MAVEN build tools in Jenkins, Sonar to move from one environment to other environments.
• Developed build and deployment scripts using ANT as build tool and automated the build and deploy processes using Jenkins. Configured SSH, SMTP, Build Tools, and Source Control repositories in Jenkins.
• Extensively worked on Jenkins/Hudson, Build Forge for continuous integration and End to End automation for all build and deployments.
• Implemented and support Splunk Indexers, Indexing and Field extractions using Splunk IFX, Forwarders, light weight forwarders and Splunk web for Splunk 5.x or search heads for Splunk 5.x/6.X to capture and analyze data from various layers Load Balancers, Web servers.
• Performed Linux kernel memory upgrades and swaps area. RedHat Linux Kickstart Installation Sun Solaris Jumpstart Installation. Configuring DNS, DHCP, NIS, NFS in Sun Solaris and other Network services.

Environment: OpenStack, AWS, Git, Ant, Jenkins, Ansible, Maven, WebSphere 7.x/8.x, JBOSS GA7/EAP6, Apache, Tomcat, Vsphere, Putty, Java, PHP, J2EE, RHEL, SLES, Sonar, Python, BASH, Shell, Ruby, Perl, Kibana 4, Splunk 5.x/6.x, Elasticsearch, Jira, Confluence.

AWS/DevOps Engineer

Confidential, MN

Responsibilities:

• Worked intimately with software developers to debug software and system problems. Developed and maintained integration and Release processes. Engaged in research of the project application architecture to resolve Build, compile, and test issues.
• Responsible for the Automation of the deployment of the Actualize Global applications on AWS using various resources, VPC EC2, S3, IAM, AMI’S, EBS, Security Group and Auto Scaling in Cloud Formation JSON templates. Managed user roles, permissions and grant permissions to access the AWS resources through IAM.
• Created EC2 instance, installed the required software, managed and created security group. Also created volume and snapshot and assigned to instance depends on the requirement. Created AMI and used it multiple times.
• Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups and maintained access to AWS resources through users and groups on an IAM console.
• Configured nodes express applications in production and pre-production environment by Configuring with Nginx and Ansible Web servers.
• Working with setting up Elasticsearch Cluster, Kibana and Log stash using CHEF cookbooks and integrating with current environment.
• Worked on migrating the VMWARE VMs to AWS using AWS CLI by uploading data to S3 and EC2-import- image and created a disaster recovery repo for VM's in AWS using EBS. Managed Services like EC2, S3 Bucket, Route, ELB, EBS.
• Extensively worked on using Chef Attributes, Chef Templates, Chef Recipes, and Chef Files for managing and configurations across various nodes. Worked with AWS Cloud management and Chef Automation.
• Written Chef Cookbooks for various DB configurations to modularize and optimize end product configuration, converting production support scripts to Chef Recipes and AWS server provisioning using Chef Recipes
• Committed and inspected Docker hosts, Docker containers on OpenStack and AWS cloud environments. Container management using Docker by writing Docker files and set up the automated build on Docker HUB. Worked on infrastructure with Docker containerization and maintained Docker Images and containers.
• Utilized different plug-ins to broaden the base functionality of Jenkins to deploy, integrate tests and show reports.
• Automated deployment modules of WebLogic, WebSphere applications and configuration settings using a combination of PowerShell scripts and Puppet.
• Updated Splunk application from 5.0.7 to 6.1 and furthermore has mastery in configuring Forwarders on Splunk. Developed multiple shell scripts for system monitoring and converting raw data into Splunk format.
• Managed both enterprise as well as on premises chef server and installed chef client using bootstrap script and created run list using terraform module for chef provisioner.
• Setup SCM Polling for Immediate Builds with Maven and Maven Repository (Nexus Artifactory) by installing Jenkins Plugins for GIT Repository.
• Designed Source Code Management tools with Bamboo and accomplished triggers in GIT. Integrated Build dependencies and dependency blocking strategy in Bamboo. Provided KT sessions for the beginners on Source code management tools like GIT.
• Experience in both framework and CloudFormation to automate AWS environment creation along with the ability to deployment on AWS , using build scripts (AWS CLI) and automate solutions using Shell and Python.
• Implemented OS installations, OS Upgrades, and Server Patching by constructing PXE and DHCP server using Kickstart Configuration and by using Red Hat Satellite server. Worked on creating user accounts, user administration, local and global groups on RedHat Linux platform .
• Automated the WebSphere build with zero downtime implementation using python, shell script and PERL and deployed using Jenkins (and required plugins).
• Setup Jenkins master and installed necessary plug-in and added more slaves to support scalability and efficiency. Implemented the setup for master slave infrastructure to enhance the performance of Jenkins.
• Installation, configuration and maintenance DNS servers, Mail servers, FTP servers, NFS, NIS, LDAP and Microsoft Active Directory & Samba Web servers on Sun Solaris, Linux platforms.
• Created build and deployment scripts using Ant and Maven as build tools in Jenkins to move into different environments and to create new jobs and branches through Jenkins.
• Administered Linux servers for several functions including managing WebSphere, Apace / Tomcat server, mail server, MySQL database, build and firewalls in both development of JAVA and PHP applications and their production.
• Kickstart both Virtual Server and bare-metal ROM CPAN, obtaining the specs files convert them to rpm format for installation on both RHEL and CentOS Servers.
• Installed and administrated LAN / WAN and two HP-UX (HP9000) based servers for all the showrooms used for retailing purpose and warehouses around the globe using LVM, NFS, Disk Mirroring, Raid - 5, Routers, EMC management for Symmetrix.

Environment: Linux, Sun Solaris, HP-UX, Kickstart, Git, SVN, Ant, Maven, Jenkins, Hudson, Ansible, Puppet, WebLogic, WebSphere, Apache/Tomcat, DNS, FTP, NFS, RPM, LDAP, AD, SAMBA, Nagios, Zabbix, Putty, Java, PHP, Python, Shell, PERL, JIRA, LVM, RAID, PowerShell.

Build and Release Engineer

Confidential, CA

Responsibilities:

• Expertized in all phases of the software development life-cycle (SDLC) with clear-cut focus on the build and release of quality software. Experienced in Agile/Scrum, most recently Continuous Integration (CI) and Continuous Deployment (CD) practices.
• Designed and implemented CI (Continuous Integration) system configured Jenkins servers, Jenkins nodes, supported to create required scripts (Perl & Python), and created / configured VMs (Windows/Linux).
• Design, Implement and maintain Windows, UNIX, Solaris, CentOS, and Ubuntu systems in a mixed environment.
• Expertise in Puppet Administration tool (Ingrown tool), a tool which acts as a puppet dashboard for managing puppet profiles, modules, classes, and top scope variables.
• Configured secure HTTP for SVN source control, and back-end communication with SQL Database and manage user access to SVN repositories. Build and Release software baselines, code merges, branch and label creation in Subversion and GIT, worked as migration lead to perform migration from Subversion to Git via Bit Bucket (DVCS).
• Expertise in ANT as build tools on Java projects for the development of build artifacts on Designed and implemented GIT metadata including elements, labels, attributes, the source code.
• Solid experience utilization Jenkins for enormous business scale establishment and application organizations and pulling the code from GIT and utilizing Ant to construct Jar, war, and ear ancient rarities.
• Explored on managing code quality of a java application by linking the SonarQube to Eclipse while checking in the code to GitHub.
• Composed python and shell scripts to do all CI/CD using Jenkins, Git in GitHub, to access the databases to retrieve and archive data and to improve application security.
• Managing and architecting large volumes of Servers and monitoring its applications through Nagios and Zabbix. Administered Apache and Nginx web servers and queering several RDBMS servers like SQL, MySQL for data integrity.
• Maintained artifacts storage under snapshots, application releases in Nexus repository management and performed lot of POC's (proof of concept) for different features of the application to achieve best results.

Environment: Agile, Windows, Linux, Unix Puppet, HTTP, SVN, SQL DB, MySQL, GIT, GitHub, Jenkins, ANT, Sonar Qube, Python, Shell Script, Open Shift, Nagios, Zabbix, RedHat Network Satellite Server, Solaris Servers, Nginx, JAVA, NEXUS, JIRA, Confluence.

Sr. System Administrator

Confidential

Responsibilities:

• Developed Perl and Shell scripts for automation of the build and release process. Developed automation of the build and release process. Developed automation scripting in Python to deploy some applications.
• Installed, managed and administrated of all UNIX servers, includes Linux operating systems by applying relative patches and packages at regular maintenance periods using RedHat Satellite server, YUM, RPM tools.
• Manage, coordinate and execute hardware and software upgrades on Linux servers, as well as Windows and Linux patching and writing Shell/Bash scripts for automated back-ups and Cron Jobs.
• Configured Linux Kickstart on multiple servers for network installation and perform regular installation of patches using RPM and YUM.
• Responsible for configuring and maintaining Squid server in Linux. Deployed Java applications into Apache Tomcat Application Servers.

Environment: LINUX, UNIX, Solaris, Shell, Perl, Oracle Database, DB2, VMware, ESX, Window, EMC, JIRA, LDAP, AD, Kerberos, TCP/IP, SUN Volume Manager, Veritas, Solaris, VxFS, ZFS, UFS, ext3, ext4, HP-UX, Tomcat, SAMBA, LAMP, RedHat.

Linux Administrator

Responsibilities:

• 24x7 administering, establishment and execution of server patching and upgradation on more than 500 servers including HP-UX, Solaris and RedHat Linux servers. Installing and configuring RedHat Linux locally or over the network- kickstart- (NFS, FTP and HTTP).
• Developed shell scripts to automate repeatable tasks, used bash shell scripting to manage directories, files, users, and applications.
• Linux Administrator in a large team responsible for maintaining Linux operating systems such as RHEL, CentOS, Ubuntu and SUSE 10/11.
• Management of RedHat LINUX user accounts, groups, directories, file permissions & Sudo rules. Packages software & maintained repositories using Yum or RPM & Apt or DEB distribution systems.
• Used various J2EE design patterns, like DTO, DAO, and Business Delegate, Service Locator, Session Facade, Singleton and Factory patterns.

Environment: IP tables, firewall, TCP wrapper, NMAP, Kickstart server, VMware ESX server, VMware workstation, Red Hat Enterprise Linux, HP-UX, SSH, DNS, DHCP, NIS, NFS, TCP/IP, Nagios, HTTPD, Shell Scripting, Python, PowerShell, LVM, JIRA, RedHat Satellite Server.