Sree Nayani

913-***-****

Email: ac16j1@r.postjobfree.com

Specialties

Over 8 years of experience in the IT industry as a Cloud/DevOps Engineer, Linux Administrator and a System Administrator with a strong expertise of Business-Driven software integration and delivery approach. Managed multiple projects concurrently with perceptive prioritization working with cloud infrastructure, Strong communication abilities, with history of providing on-site support to wide range of clients. Considered to have excellent technical skills with hands-on expertise in mission critical applications, networking, scripting, and problem solving. Currently assisting DevOps teams, responsible for migrating environments from traditional data centers to Open Stack (Rackspace), Azure and AWS cloud.

Professional Summary

Linux System & Middleware Administrator responsible to architect, implement maintain and monitor solutions with Solaris, Windows and many distributions of Linux in both physical and virtual environments.

Strong background in shell scripting Linux commands to perform admin duties like testing, tuning, upgrading, loading patches, networking, Implementing protocols and troubleshooting server issues.

Maintained production critical servers running Solaris UNIX, Linux supporting Oracle database and Web services and managed more than 500 LINUX servers through virtualization. Provided 24/7 support in production and staging environments. Performed troubleshooting and documentation for future reference

Experience as a DevOps & Build Release Engineer with a strong expertise of Business-Driven software integration and delivery approach. OpenShift virtualized PAAS provider, automated the provisioning of commodity computing Resources for cost and performance efficiency.

Ability to manage and coordinate with teams of DevOps engineers for infrastructure support on AWS cloud. Creating cloud formation scripts for hosting software on AWS cloud. Automating the installation of softwares through PowerShell scripts. Responsible in implementing microservices, end to end automation using release and deploy tools for Test and Production pipelines.

Involved in deploying Java and .net applications to cloud by utilizing various AWS cloud services like AWS Code Deploy, Route53, EBS, S3, EC2, Cloud Formation, ECS, SNS, Lambda, SQS, Cloud Front, and Auto Scaling.

Hands on experience on implementing DevOps life cycles using GIT, Bit bucket, Jenkins, Hudson, Bamboo for continuous integration, ANT, Maven for continuous deployment and Chef, SVN, Puppet, CMS, Ansible & SaltStack for configuration management, Docker and Kubernetes as container technologies, and Involved in migrations from on-premises to cloud platforms using AWS, Azure, OpenStack (Rackspace)

Experience working with business requirements with microservices and created cloud based solutions to meet requirements of Architect cloud applications on Azure using PowerShell Scripting.

Responsible for Continuous Integration(CI) and Continuous Delivery(CD) process implementation from Dev to QA, QA to UAT, UAT to Prod environments using Jenkins, GIT, SVN, Chef automation tool.

Adept at using Version Control tools like SVN (subversion), GIT, GITHUB and Bitbucket on multiple environments to track changes made by different departments in source code and held extensive migration of Centralized to Distributed VCS. Extensively worked on GIT for local repositories and Bitbucket, GITHUB for remote Repo's and for further builds and continuous integration.

Performed integration of Nexus, Jenkins, and Urban Code Deploy with Patterns, GIT, Confluence, JIRA, Junit, Jmeter, Maven and Pivotal Cloud Foundry (PCF).

Experience in writing 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, along with writing Chef Cookbook recipes to automate middleware installations, domain creations, and deployment activities

Experience in LDAP, Puppet and Splunk. Designed developed and integrated solutions through DevOps and AEM tools, processes and procedures. Rewrote many Puppet modules to modernize code-quality standards.

Experience in designing AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates and also managed the multi-tier and multi-region architecture using AWS Cloud Formation.

Involved in architecture of DevOps platform and cloud solutions, created and maintained deployment scripts of Java/ J2EE and .net Applications to any Application Server.

Installed and configured tools for Apache Big Data products and worked with HDP (Hortonworks) Apache Big Data products like Hadoop, Zookeeper, and Spark & Kafka.

Developed methods to automate routine infrastructure tasks like deployment and maintenance duties using various orchestration tools and scripting languages (JSON, YAML, Ruby, Bash and Python).

Exposed to all aspects of software development life cycle (SDLC) like Analysis, Planning, Developing, Testing, implementing and Post-production analysis of the projects. Worked through Waterfall, Scrum/Agile Methodologies.

Technical Skills

Operating System

UNIX, Linux (Red Hat 4/5/6/7, CENTOS & SUSE), Solaris 11/10/9/8, HP-UX 11.0, 11.11, 11.23, 11.31, IBM AIX (4.3/5.x/6.x/7.x), Ubuntu 12/13/14, Windows NT /2000/2003, DEBIAN.

Cloud Platforms

AWS (Amazon Web Services), Microsoft Azure, Rackspace (OpenStack)

Web Server

Tomcat, APACHE 2.x, 3.x, JBoss 4.x/5.x, Web Logic (8/9/10) & Web Sphere 4.0/5.0. AEM Web Content Manager.

Build Tools

ANT, Maven, Hudson, Jenkins, Bamboo, Chef, Puppet, Nexus Repositories

Version Control Tools

Subversion (SVN), Clear Case, GIT, GITHUB, Bitbucket, CVS

Container Technologies

Docker, Kubernetes, OpenShift, Amazon ECS Container Service.

Automation Tools

Chef, Puppet, Ansible, SaltStack, Kickstart, Terraform, IBM uDeploy, IBM uCode, Pivotal Cloud Foundry (PCF).

Testing and Monitoring Tools

SonarQube, Selenium, Atlassian Jira, Junit, Jmeter, Nagios, ELK, Microsoft Network Monitor, Splunk

Scripting

Core Java, Python, XML, Shell Scripting, Ruby Scripting, PowerShell, Perl, Bash

Volume Manager

VERITAS Volume Manager, Solaris Volume Manager, Amazon EBS volumes, LVM with Linux

Database Systems

Oracle 10g/9i, SQL Server, MySQL, MongoDB, AWS Database services (DynamoDB, RDS, Aurora, Redshift, ElastiCache, Cloud Directory)

Networking/Protocol

TCP/IP, HTTPS, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/TFTP.

Virtualization Technologies

ESXi, VMWare vSphere, Windows Hyper-V, Power VM, Virtual Box, Citrix Xen, KVM

Amazon Web Services

Route53, EC2, IAM, S3, EBS, Cloud Watch, Lambda, Elastic Beanstalk, ECS, SNS, SQS, Code Deploy, Cloud Front, Cloud Formation, Elastic Transcoder, AWS CLI, AWS API.

Application Servers

Web Logic Application Server 9.x, 10.x, Apache Tomcat 5.x/7.x, Red Hat JBOSS 4.22.GA, WebSphere 6.x/7.x/8.x

Certifications & Education

AWS Certified Associate Developer.

Work Experience

DXC TECHNOLOGY - Conway, AR since Aug 2015

Role: DevOps Engineer, Cloud Engineer

Responsibility

Installed, configured, administered and monitored Apache Subversion, RTC and TeamCity CI servers on Windows Server/RHEL Linux AWS Cloud Environment with AWS Command Line Interface (CLI).

Implemented rapid-provisioning and life-cycle management for Ubuntu Linux using AWS EC2, Chef, and custom Ruby and Bash scripts. Created AEM Template cookbooks using Chef Recipes.

Utilized cloud providers and cloud API’s for Amazon (AWS) and Cloud Sigma (EU) for AEM

Designed, Configured, deployed Microsoft Azure for multiple applications with Azure stack using PowerShell scripting, setup and maintain automated environments using Chef Recipes & Cookbooks within Azure, automated VSTS (Visual Studio Team System) build and deployment in IAAS and PASS environment in Azure

Worked in Azure Data Lake to store and analyze the data, Installed, Configured & upgraded Clusters for Oracle RDBMS, also utilized Azure SQL Database service for storing MySQL Database servers onto Azure cloud.

Migrated on-premises Linux Based application and API Platforms on to the Azure cloud.

Utilized Azure portal and Azure stack resources like Azure Cosmos DB, Azure active directory, Cloud Services, Container instances, Visual studio team services, Azure DNS, Machine learning, Application insights and Traffic manager for IAAS, PAAS and SAAS.

Involved in creating Azure resource groups by using Azure resource manager which allow to see cost, billing and monitoring information for resources. Also enabled manage access to those resources.

Involved in designing and deploying applications utilizing most the AWS stacks in AWS cloud formation.

Responsible for writing JSON or YAML format Cloud Formation templates that describes all the AWS resources needed to deploy to run the application.

Worked with AWS CodePipeline and Created Cloud formation JSON templates which is converted to Terraform for infrastructure as code spinning up AWS resources by using Terraform

Automated cloud deployments using chef, python (Boto & Fabric) to AWS Cloud Formation Templates

Involved in designing and deploying a multitude of applications utilizing Microservices and almost all the AWS stack including EC2, Route53, S3, IAM, RDS, Elastic Beanstalk, Dynamo DB, SNS, SQS, ECS, LAMBDA, Code Deploy, focusing on high-availability, fault tolerance and auto-scaling in AWS cloud formation.

Managed AWS EC2 instances with Auto Scaling, ELB & Glacier for our QA and UAT environments, written JSON YAML format Cloud Formation templates describing the AWS resources needed to deploy to run the application.

AWS based infrastructure (EC2, VPC, S3, SQS, SNS, ECS) automation with Terraform, Chef, Python, Bash Scripts and deployed bare metal servers on Azure with PowerShell and using PXE boot through Terraform automation tool.

Optimization and cost reduction of Amazon AWS services (EC2, S3, EBS, ROUTE53, Elastic Beanstalk, ECS, SES, and VPC). Microsoft SSIS using SSIS Power pack used to migrate to AWS Redshift data warehouse.

Developed automation framework for Application Deployments to the cloud environments using Terraform, Converted existing Terraform modules that had version conflicts to utilize cloud formation during Terraform deployments to enable more control or missing capabilities

Used Chef to deploy and configure Elasticsearch, Logstash and Kibana (ELK) for log analytics, full text search, application monitoring in integration with AWS Lambda and CloudWatch.

Worked on using Chef Attributes, Chef Templates, Chef Recipes, and Chef Files for managing the configuration, installing, and upgrading different applications on the chef server by using Ruby,

Worked on implementing configuration management using SaltStack with YAML scripting for AWS and Azure nodes.

Implemented a continuous delivery pipeline with Docker, Jenkins, and GITHUB to build a new Docker container automatically using Jenkins when a new GITHUB branch is created.

Worked on setting up GIT and SVN repositories for Jenkins build jobs and also manage code quality by linking the SonarQube to Eclipse/NetBeans while checking in the code to GITHUB and polled Version Control Systems in a periodic manner using Cron Jobs.

Setup & configured Atlassian applications like Jira & stash to authenticate against Active Directory LDAP interface.

Managed central repos and implemented Atlassian Stash (BitBucket) along with GIT to host GIT central repos source code across products, facilitate code reviews and login audits for Security Compliance.

Currently leading an active integration effort for building out PaaS with RedHat OpenShift, Dockers and working with developers on application containerization effort

Worked on Docker Installation, Configuration and expert in setting up Continuous Integration / Continuous Delivery (CI/CD) using Jenkins/bamboo integrated with AWS and Perl/Shell scripts.

Created private cloud using Kubernetes that supports DEV, TEST, and PROD environments, changing the AWS infrastructure Elastic Beanstalk to Docker with Kubernetes.

Automated compute engine and Docker image builds with Jenkins, Packer and Kubernetes.

Designed an ELK (Elastic Logstash Kibana) system to monitor and search enterprise alerts, setup ELK with Docker and Docker-Compose, implemented ELK Stack for Application Logging.

Managed Kubernetes charts using Helm. Created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and managed releases of Helm packages.

Run Jenkins in Docker containers with EC2 slaves in AWS Cloud configuration with Mesos and OpenShift Kubernetes, created private Docker containers using OpenShift and maintained Docker as EC2 container service.

Migrated traditional data-center applications and databases into public clouds like AWS and Rackspace.

Used Ansible playbooks to deploy instances and wrote modules in Ansible to integrate with Apache Tomcat and AWS used and used Ansible playbook to deploy applications and Oracle Databases.

Used Ansible Playbooks to automate in AWS services like Launching EC2, Provisioning IAM, Configuring VPC, EBS, Monitoring using CloudWatch and CloudTrail.

Used Ansible to manage Web applications, Environments configuration Files, Users, Mount points & Packages, configure Tomcat servers, provisioned load balancer, auto-scaling group, launched configuration for microservices.

Implement, document, configure, write queries & develop custom apps, support Nagios Indexers, Index and Field extractions using Splunk IFX, Forwarders, light weight forwarders and Splunk web.

Worked with Chef SaltStack and Ansible to assist in building automation, used Ansible for deployment of Security tools, Nagios agents, Nagios Servers for applications in different environments.

Worked on Cloud automation, Containers, PaaS & Pivotal Cloud Foundry (PCF) which helps to trigger the inherent originality of an individual using Terraform.

Installed Pivotal Cloud Foundry (PCF) on EC2 to manage the containers created by Pivotal Cloud Foundry PCF. Used Docker to virtualize deployment containers and push the code to EC2 Cloud using Pivotal Cloud Foundry PCF.

Created Python Scripts to Automate AWS services, ELB, CloudFront Distribution, ECS, database, EC2 and database security groups, S3 bucket and application configuration, Created stacks with single servers or joins web servers and loaded the big volume source files from S3 to redshift with Talend Big Data tool.

Integrated Shell scripts to automate deployments for Java and .net applications

Developed build and deployment scripts in Hudson and worked on migrating from Hudson to Jenkins

Created and worked on Adobe AEM administrator tasks for deploying AEM, optimizing performance, and ensuring availability. Worked on migrating website from old Stellent system to AEM 6.1 with Adobe ES4 Life cycle Design.

Worked with Adobe AEM content manager platform with application servers using Apache Tomcat 7, WebSphere in configuring, building and deploying the web application servers.

Involved with the testing team and worked with various testing tools like selenium, Jira, Jmeter and Junit for Applying appropriate testing mechanisms. And executed Test cases using Selenium Testing

Installed, configured, managed RDBMS & NoSQL tools like Elastic Search, MongoDB (NoSQL) & Cassandra.

Configured an AWS Virtual Private Cloud (VPC) and Database Subnet Group for isolation of resources within Amazon RDS Aurora DB cluster and on NoSQL database software application using Cassandra.

Environment: AWS services, chef, ELK, Docker, Kubernetes, Linux, Linux Red Hat OpenShift, AEM, Jenkins, GIT, GITHUB, Bit Bucket, Splunk, Nagios, Hudson, AWS cloud, Microsoft Azure, Cloud Formation Terraform, Cassandra, Mesos, Helm Packages, Microsoft SSIS, Rackspace, Apache, Java Environment, Oracle Databases, NoSQL, JSON & YAML Templates, Scripting (Ruby, Bash, Shell, Perl, Python), IAAS, PAAS, SAAS, Atlassian, Scrum, Agile, Scrum.

BRISTOL MYERS SQUIBB – Pennington, NJ (Aug 2013 – Aug 2015)

Role: DevOps Engineer, Cloud Engineer

Responsibility

Performed CentOS and custom Linux deployments with Packer & Chef with scalability in AWS.

Implemented multiple CI/CD pipelines for on-premises and cloud-based software using Jenkins, Chef and AWS deploy. Performed autoscaling AWS cloud based service API cluster on Amazon Cloud Service.

Maintained multi-zone AWS cloud, supported applications running in private cloud developed using VMWARE and public cloud in AWS environments, CI/CD pipeline in Photon environment.

Setup and build AWS infrastructure various resources, VPC EC2, S3, IAM, EBS, Security Group, Elastic Beanstalk, Auto Scaling, and RDS in Cloud Formation JSON templates.

Build servers using AWS, imported volumes, launched EC2 instances, created security groups with IAM, auto-scaling, load balancers, Route 53, SES & SNS in the VPC (virtual private connection)

Installed, configured and managed the ELK (Elastic Search, Log stash and Kibana) for Log management within EC2 & EBS (Elastic Load balancer) for Elastic Search.

Automated installation of tools like Antivirus, Tripwire & yum repo setup through chef.

Configured Apache webserver in the Linux AWS Cloud environment using Chef Automation.

Installed and set up GIT server and repos, created hooks to trigger Jenkins projects to automate deployment of puppet modules and puppet manifests to puppet server and then trigger puppet agents on the nodes.

Wrote JSON templates for cloud formation, ruby scripts for chef automation & contribute repos on GITHUB.

Worked on Maven to create artifacts from source code, deployed them in Nexus central repository for internal deployments using uDeploy and uCode. Managed Nexus and MAVEN repositories to download artifacts for builds.

Performed CI with Jenkins, Bamboo, uDeploy, uCode JIRA, Jmeter, Junit and Crucible for DevOps automation.

Utilized chef with AWS Cloud Formation and Jenkins for continuous integration, configured Chef to build up services and applications on the instances when they are configured using cloud formation.

Rackspace Private Cloud by OpenStack, design test for flawlessness using Python and MySQL, automated servers in Rackspace and AWS with full 3 tier web architecture using chef.

Implemented multi-tier application provisioning in OpenStack cloud, integrating it with Chef.

Worked on creating Docker containers and Docker consoles for managing the application life cycles.

Implemented Docker containers and created clients respective Docker images and leveraged Apache Mesos and Aurora to manage Cluster hosts for Applications

Created scripts for system administration and AWS using scripting languages like Python, BASH, and Perl for automated processes in managing disk space, deleting old logs, and scripts for Cron jobs.

Developed python script to analyze the traffic on F5 Load Balancer.

Utilized Dynatrace and Nagios for monitoring applications and deployments in enterprise and AWS Cloud.

Installed Splunk, components of Splunk, provided support guidance to Splunk project teams on complex solutions, issue resolution and created all Splunk integration for containers with Red Hat's PaaS

Performed version control through GIT. Written new plugins in Nagios to monitor resources. Worked with implementation team to build and engineer servers on Ubuntu and RHEL Linux. Provisioned virtual servers on VMware and ESX servers using Vcloud.

Worked with AWS Beanstalk for deploying and scaling web applications and services developed with Java, PHP, Node.js, Python, Ruby, and Docker on familiar servers such as Apache, Nginx and IIS.

Environment: AWS services, VMware Photon environments, MySQL, AWS Cloud, chef, ELK, Docker, Linux, Jenkins, GIT, Packer, Puppet, Nagios, Splunk, ANT, Maven, AWS Cloud, Cloud Formation, OpenStack (Rackspace), Nexus Repositories, Dynatrace, Nagios, Java scripting, PHP, Node.js, Ruby, Bash, Python scripting, Agile, Scrum.

VERIZON – Dallas, TX (Mar 2012 – July 2013)

Role: DevOps Administrator

Responsibility

Implemented a Continuous Delivery Framework using Jenkins, Puppet, Maven & JForge in Linux environment, monitored software, hardware, & middleware updates utilizing technologies like Jenkins, Hudson, ANT, MS Build, TFS Team Explorer & Subversion.

Worked to apply security patches on Linux, Windows servers, run Nessus scan on servers to find the vulnerabilities, re-compile Linux kernel to remove unwanted services and applications.

Worked on automation and integration of Version Control Systems for source code management, wrote Python scripts to do all CI/CD tasks, parse XML documents and load the data in database.

Created repositories, branches, & tags, maintained branching model & security in GITHUB.

Performed build and Release software baselines, code merges, branch and label creation in Subversion and GIT, worked on migration from Subversion to GIT (DVCS).

Integrated Subversion (SVN) to automate the code check-out process and experimented with CVS.

Triggered Hudson projects with GIT hooks to do automated deployment of puppet modules to puppet server.

Integrated various provisioned and monitored modules into single platform using Jenkins/Hudson CI tools and used various plug-ins to extend the base functionality of Jenkins/Hudson to deploy, integrate tests and display reports.

Designed and created Hudson jobs for executing the Java scripts through NPM and Grunt, troubleshot Hudson Build Errors to provide quality of software to end users, performed repository management in Maven to share snapshots and releases of internal projects using JForge Artifactory tool

Automated deployment modules of IIS web applications, bindings & configuration settings using PowerShell scripts and Puppet.

Used puppet for configuration management in Linux, developed Puppet Manifests using ruby for provisioning applications & scripts. Deployed DevOps technique using Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.

Worked in production phase for migrating the application from Puppet to Chef.

Monitored DNS, LDAP, Kickstart, IP Chains, IP Tables firewall, SSH, MYSQL, and User Administration, configured IPTABLES firewall and hardening Linux systems for system security.

Implemented Nagios tool for monitoring and analyzing the network loads on machines by with custom

Nagios monitoring, notifications and dashboard to exhibit various metrics using Shell Scripting.

Deploy and Configure RedHat Satellite Server 5.4, including creating maintaining any customized kick-start configuration channels to deploy

Created local and virtual repositories in Artifactory for project and release builds, implemented LVMs, Raid level concepts in the production environment, added LUN space to the existing Linux systems and upgrades on production servers using an alternate boot environment (ABE).

Wrote Ruby Scripts, Python Scripts, Perl Scripts, Shell Scripts to deploy the java based packages like .ear and .war on the WebLogic App server.

Set up Java environment for the installation of ANT on Linux and integrated ANT with Shell scripts created to automate the deployments for the Java based applications.

Environment: Jenkins, Hudson, GIT, SVN, Puppet, JForge, MS Build, TFS Team Explorer, ANT, Maven, Linux Environment, Nagios, XML, Nessus, Ruby, Java Environment, Shell, PowerShell, Perl, Python scripting, Tomcat Servers, Red Hat Satellite Server, Agile, Waterfall.

WIPRO Limited, Hyderabad - India (Jun 2010 – Feb 2012)

Role: Linux Administrator, System Administrator

Responsibility

Administered, configured and troubleshoot services like DNS, DHCP, NFS, LDAP, SAMBA, Apache Web Server, SSH, RPM, package management in heterogeneous environments.

Architected & managed large volumes of Virtual Servers, monitored applications through Nagios, administered Apache and Nginx web servers and queered several RDBMS servers like SQL, MySQL.

Troubleshot various issues as they would arise in various Linux based platforms and software titles, like Red Hat, Debian, CentOS, FreeBSD, Ubuntu, Solaris

Provided 24 x 7 production support for Apache webservers, WebLogic application servers running on multiple with HP-UX OS, Oracle databases running on HP-UX and BIG IP-F5 LTM/GTM load balancer support.

Worked on Linux kernel memory upgrades and swap areas, hardening of CentOS, RHEL & Solaris servers, patching in Linux and Solaris and Red Hat Linux Kickstart

Installed Sun Solaris and configured DNS, IDNS, DHCP, NIS, NFS and other Network services.

Configured Kickstart server and applied patches to the servers using proxy server.

Installed and configured Apache, supported it on Linux production servers, troubleshoot Linux network (PING, TRACEROUTE, ifconfig, DIG and NETSTAT) and security issues, captured packets using tools such as IP tables, firewall, TCP wrappers, NMAP.

Root causes analysis for Linux (Red Hat, SUSE and CentOS), VMware vSphere & ESXi hosts, Windows, Ubuntu servers using log files. Maintained the Linux Firewall for network and implement to the network security

Planned and performed the upgrades on Linux, UNIX operating systems, hardware maintenance on HP and POWER servers like increasing memory, disk & replacing failed hardware.

Installation of Red Hat Enterprise Linux 4/5/6, Debian, Ubuntu, AIX, on hardware like HP and Dell & Solaris 9, 10 operating systems on SPARC platforms.

Installed Nagios on Linux machines, monitored hosts and used PHP for processing dynamic site content.

Created, cloned Linux Virtual Machines & templates using VMware and migrated servers between ESX hosts.

Administered Linux servers for several functions like managing WebSphere, Apace/Tomcat server, mail server, MySQL database, build and firewalls in both development and production.

Environment: Linux, UNIX, Debian, CentOS, RHEL, FreeBSD, Ubuntu, Solaris, Red Hat Linux, SUSE, Nginx, Windows Platform, WebLogic, Apache, WebSphere, Tomcat, VMware, ESX hosts, Nagios, SQL, MySQL, PHP, Python scripting, Waterfall, Agile.

IDBI Bank Pvt Limited, Hyderabad- India (Aug 2009 – April 2010)

Role: Linux Engineer

Responsibility

Created file systems using Red Hat volume manager and performed regular health checks for Linux servers.

Installed and configured Red Hat Linux locally and over the network with Kickstart (NFS, FTP, and HTTP).

Installation and configuration of Ubuntu 8.04 Server, Created directories, mounted & un-mounted

Design, Implement and maintain Windows, UNIX, Linux, Solaris, CentOS and Ubuntu systems in a mixed environment, set up SAMBA servers, to enable Windows clients to communicate with Linux.

Migration of applications from Linux (RedHat & SUSE) to Windows2003/2008 and resolving any dependency issues after live upgrade

Plan, build, document and support new infrastructure including VMware ESXi and vSphere virtualization servers, new file-server and other resources HDD/CDROM/Flash drives to system, Copy/Move/Delete files and directories.

Administered tasks like taking backups, expanding file system disk space, creating NFS mounts.

Provided 24/7 support for on-call on Red Hat Linux, HPC Linux, UNIX, LAMP, Ubuntu, Solaris & AIX environments.

Worked with python for deployment of storage, networking and compute node.

Used LVM (Logical Volume Manager) for management of Volumes (physical and logical volumes) on Linux.

Built a Linux kickstart server on x86 machines, deployment of HP Blade server running RHEL 5 using VMware. Performed user account management, configured servers to register with Red Hat Network (RHN) Satellite Server and monitored servers like workload assessment & service console monitoring.

Managed TCP/IP packets & DHCP servers, resolved TCP/IP network access problems for the clients and worked with various TCP/IP implementations like NFSv4, NIS, DNS and DHCP.

Setup Network File Services (NFS), Network Information Services (NIS) and protocols in Red Hat Linux.

Set, Troubleshoot & fixed NFS, TCP/IP and other protocols in Linux clusters and application backups

Performed troubleshooting on Linux servers using commands ifconfig, PING, NETSTAT, HOST, NSLOOKUP, HOSTNAME, ROUTE and DIG.

Worked with Nagios for Windows Active Directory & LDAP and Data consolidation for LDAP users. Monitored system performance using Nagios, maintained Nagios servers and added new services & servers.

Environment: Linux, UNIX, CentOS, SUSE, Ubuntu, Red Hat Linux, LAMP, HPC Linux, Solaris, IBM AIX, Windows 2003-2008, DHCP server, NFS, NIS, TCP/IP, Samba, Nagios, Ubuntu, Python scripting, Waterfall.

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