Gowtham

Sr. Cloud/DevOps Engineer

305-***-****

Email ID – ac4j7o@r.postjobfree.com

PROFESSIONAL SUMMARY:

• Effective professional experience of 8 years in the field of Information Technology focused on Amazon Web Services, DevOps and Linux Administrator that includes the principles with Continuous Integration, Continuous Delivery and Continuous Deployment.

• In-depth knowledge of DevOps management methodologies and production deployment which include Compiling, Packaging, Deploying and Application Configurations.

• Experienced in AWS Cloud Computing services, such as EC2, S3, Lambda, API, Dynamo, EBS, VPC, ELB, Route53, Cloud Watch, Security Groups, Cloud Trail, IAM, Cloud Front, Snowball, EMR, RDS and Glacier also worked on DNS, SSL and Firewalls.

• Experience in AZURE, Migration of all servers from on-premises to Kubernetes containers & writing the scripts in Perl and Shell Scripts for managing various enterprise applications.

• Excellent knowledge 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

• Maintain and develop custom and open source tools for monitoring the overall health of OpenStack cloud infrastructures, components and tenants.

• Worked with Chef Enterprise Hosted as well as On-Premise, Installed Workstation, Bootstrapped Nodes, Wrote Recipes and Cookbooks and uploaded them to Chef-server.

• Experience in configuring and managing Chef master server and experience in updating and creating modules and pushing them to Chef clients.

•Responsible for creating puppet modules and manifest files from scratch and experience in editing existing puppet manifests and automated manual installation processes using puppet.

•Implemented a completely elastic and scalable infrastructure in the cloud using Jenkins, chef, Puppet, Ansible.

• Worked with Ansible On-premise like writing the script in workstation and pushing that on to the server.

•Experience in writing Docker and kubernetes files to build the micro-service applications.

AWS EC2 instance management. Docker container configuration, activation, handling live webhosting & troubleshooting.

• Good Knowledge on Docker components like Docker Engine, Docker-Hub, Docker-Compose, Docker Registry and Docker Swarm. Used Docker for local Application Deployment and test.

of source code and pull the Docker images and run on Test, Stage, and Production environments.

• Expertise in Jenkins/Hudson by installing, configuring and maintaining for continuous integration (CI) and for Continuous Delivery (CD).

• Worked in all areas of Jenkins setting up CI for new branches, build automation, plugin management and securing Jenkins and setting up master/slave configurations.

• Experienced in Branching, Merging, Tagging and maintaining the version across the environments using SCM tools like Git and Subversion (SVN) on Linux platforms.

• Wrote JSON templates for cloud formation and Ruby scripts for chef automation and contributed to our repository on GitHub.

• Experienced with Nagios, Cloud Watch as IT Infrastructure Monitoring tool and knowledge on Splunk.

• Configured Nagios to monitor EC2 Linux instances with Ansible automation.

• Orchestrated and migrated CI/CD processes using Cloud Formation and Terraform Templates and Containerized the infrastructure using Docker, which was setup in Vagrant, AWS and VPCs.

• Managed different infrastructure resources, like physical machines, VMs and even Docker containers using Terraform. It supports different Cloud service providers like AWS.

• Udeploy is used for continuous integration, fast feedback and udeploy (urban(code)) pipeline is a multi-tool pipeline.

• Installing, configuring and administering Jenkins Continuous Integration tool on Linux machines along with adding/updating plugins such as SVN, Maven, and ANT.

• Proficient with Shell, Python, Ruby, Perl, Power Shell, JSON, YAML, Groovy scripting languages.

• Experience in software build tools like Apache Maven, Apache Ant to write Pom.xml and Build.xml respectively.

• Good understanding of the principles and best practices of Software Configuration Management (SCM) in Agile (scrum) and Waterfall methodologies.

• Broad experience in Bash, Perl, Python scripting on Linux. Strong knowledge on Linux internals such as Apache, Tomcat using Docker and integrated with Amazon MySQL RDS database.

• Good Interpersonal Skills, team-working attitude, takes initiatives and very proactive in solving problems and providing best solutions.

Technical Skills:

Cloud Technologies

Amazon Web Services(AWS), Azure, OpenStack, Pivotal Cloud Foundry (PCF)

Virtualization

VMware ESX/ESXI, Windows Hyper-V, vSphere 5.x, Datacenter Virtualization, Power VM, Virtual Box, Citrix Xen, KVM.

Operating Systems

Red Hat Linux 4/5/6/7, CentOS, Fedora, UNIX, Windows servers [2003, 2008, 2008 R2, 2012, 2012R2], Windows 2000/2003/XP/vista/7/8/10, Ubuntu 12/13/14.

Automation/configuration Tools

Chef, Puppet, Docker, Vagrant, Ansible, Jenkins, Bamboo, Kickstart, Jumpstart, Terraform, Kubernetes, ANT, Maven.

Web Servers

Apache Tomcat, JBOSS 4.x/5.x, Web Logic (8/9/10), WebSphere Apache 1.3.x, Apache 2.0.x, and ngnix, IIS

Database Technologies

DB2, SQL Server, MySQL, RDS, NoSQL- MongoDB, Cassandra DB, DynamoDB

Scripting languages

Ruby, Python, Perl, HTML5, PHP, Bash/shell Scripting, PowerShell Scripting YAML, JSON.

Networking/Protocol

FTP/SFTP, SMTP, TCP/IP, HTTP/HTTPS, NDS, DHCP, NFS, Cisco Routers, Juniper Routers

Version Control Tools

GIT, Bitbucket, SVN (Subversion), CVS

Monitoring Tools

Nagios, Splunk, ELK Stack, Cloud Watch, Cloud Trial, Dynatrace

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

Sr. Cloud / DevOps Engineer

Credit Suisse, NC Apr 2017 to Present

Responsibilities:

• Involved in designing and deploying multi-tier applications using all the AWS services like (EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, IAM) focusing on high-availability, fault tolerance, and auto-scaling in AWS Cloud Formation.

• Designed scalable and highly available Domain Name System (DNS) within AWS Cloud using Route53 to route traffic to AWS Cloud from users connected using AWS Direct Connect for larger deployments.

• Worked on AWS Cloud Watch, Cloud Formation, Cloud Trail services and Cloud Front to set up and manage cached content delivery.

• Supported Continuous storage in AWS using Elastic Block Storage, S3, Glacier. Created Volumes and configured Snapshots for EC2 instances.

• Designed and developed infrastructure using Terraform and Cloud Formation and automated end-to-end transit hub connectivity resource deployment in AWS via Terraform.

•Provisioned AWS resources using management console as well as Command Line Interface (CLI).

• Experience in building private cloud infrastructure of OPENSTACK, deploying through puppet and maintaining them in production.

• Worked with Client's OPENSTACK cloud, created instances using nova client, setting security and deploy applications and brought them in to production after QA testing.

• Involved in troubleshooting any part of the lifecycle services within the OPENSTACK including log files, message queues, database, compute hardware, and network connectivity.

• Used Ansible and Ansible Tower as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manage the changes.

• Wrote several Ansible playbooks for the automation that was defined through tasks using YAML format run Ansible Scripts to provision Dev Servers.

• Involved in installing and configuration of an automated tool Puppet that included installation and configuration of Puppet Master, Agent nodes and an admin control workstation.

• Created Ansible Playbooks and Puppet Manifests to provision Apache Web servers, Tomcat servers, Nginx, Apache Spark and other applications.

• Deployed Puppet, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.

• Created a Continuous Delivery process to include support building of Docker Images and publish into a private repository- Nexus v3.

• Proficiency in writing Dockerfiles with best practices along with dockerlinting, Docker container management along with volumes, container based DB and services, Docker Artifactory (Jfrog) configuration and setup.

• Worked on Container management using Docker by writing Docker files and set up the automated build on Docker HUB and installed and configured Kubernetes.

• Worked on Kubernetes to manage containerized applications using its nodes, ConfigMaps, selector services and deployed application containers as Pods.

• Managed Clusters using Kubernetes and worked on creating many pods, replication controllers, services, deployments, labels, health checks.

• Automated various infrastructure activities like Continuous Deployment, Application Server setup, Stack Monitoring using Ansible playbooks using CI tool like run desk and Jenkins.

• Carried automated Deployments and builds on various environments using continuous integration (CI) tool Jenkins.

• Built a new CI/CD pipeline for testing and deployment automation with Docker, Jenkins, and Ansible.

• Installed, Configured, Administered Jenkins Continuous Integration Tool also automated Continuous Build and deploy Scripts for Jenkins.

• 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.

• Experience with "Infrastructure as a code" tools like Terraform and AWS Cloud formation and integrating them with Jenkins builds to achieve end-to- end automation.

• Involved in setting up application servers like Tomcat, WebLogic across Linux platforms as well as written shell scripts, Perl, Python, Ruby scripting on Linux.

• Monitored Applications and Servers through Nagios, Web Servers Administration on Apache and Nginx.

• Worked on creating and implementing application monitoring, and logging strategies using New Relic, Logstash, Elastic Search and Kibana.

• Installed, configured and managed the ELK (Elastic Search, Log Facilitated Scrum ceremonies like Sprint planning, retrospectives, Daily stand-ups, etc. Stash and Kibana) for Log management within EC2/ Elastic Load balancer (ELB) for Elastic search.

Environment: AWS, Openstack, Docker, Jenkins, JIRA, VPC, NAT, IAM, S3, EC2, Cloud Watch, GIT, Splunk, Web Servers, ELB, GKE, Cloud Front, Apache, Nginx, Groovy, Shell Scripts, Lambda, Cloud Watch, CloudFormation, Cloud Trail, Cloud Front, Puppet, MySQL, Cassandra, Amazon RDS, DynamoDB, ElasticSearch, Logstash, Kibana, Kubernetes, VMware,, Ansible, Maven, Ant, Nagios, New Relic.

Cloud /DevOps Engineer

Cognizant, MI Oct 2016 to Mar 2017

Responsibilities:

• Worked on Multiple AWS instances, setting up security groups, Elastic Load Balancer and AMIs, Auto scaling to design cost effective, fault tolerant and highly available systems.

• Developed Server infrastructure on AWS Cloud, extensive usage of Virtual Private Cloud (VPC), Cloud Formation, Cloud Front, EC2, RDS, S3, Route53, and SNS.

• Design Terraform templates to create VPC architecture, EC2s, Subnets and NATS to meet high availability application and security parameters across multiple AZs.

• Created customized AWS Identity Access Management (IAM) polices for various AWS resources to have required access to required resources.

• Performed configuration, deployment and support of cloud services including Amazon Web Services (AWS). Configured an AWS Virtual Private Cloud (VPC) and Database Subnet Group for isolation of resources within the Amazon RDS MySQL DB cluster.

• Designed and configured AZURE Virtual Networks (VNets), subnets, AZURE network settings, DHCP address blocks, DNS settings, security policies and routing.

• Administered complete Office 365 environment for local and remote users including Exchange, Lync, Office and local on premises Active Directory syncing with AZURE AD (ADFS).

• Migrated moderate workloads from on premise to AZURE laaS. Published web services APIs using AZURE API management service.

• Developed tools to automate the deployment, administration, and monitoring of a large-scale AWS Linux environment.

• DevOps role converting existing AWS infrastructure to Server-less architecture (AWS Lambda, Kinesis) deployed via Terraform.

• Involved in Using Kubernetes to provide a platform for automating deployment, scaling, and operations of application containers across clusters of hosts and managed containerized applications using its nodes, Config Maps, Selectors and Services.

• Used Kubernetes for creating new Projects, Services for load balancing and adding them to Routes to be accessible from outside, Creation of Pods through new application and control the scaling of pods, troubleshooting pods through SSH and logs, writing/modification of Build config’s, templates, Image streams etc.

• Creating, managing and performing container based deployments using Docker images containing Middleware and applications together and Collaborated with development support teams to setup a continuous delivery environment with the use of Docker.

• Virtualized the servers using the Docker for the test environments and dev environment needs. Performed configuration automation using Docker containers

• Implemented Jenkins continuous build integration system and Converting the ANT build projects to Maven Build projects.

• Managed Elastic Cloud Computing (EC2) instances utilizing Auto Scaling, Elastic Load Balancing, and Glacier for our QA and UAT environments as well as infrastructure servers for GIT and Chef.

• Build and Configured Jenkins slaves for parallel job execution. Installed and configured Jenkins for continuous integration and performed continuous deployments.

• Developed build and deployment scripts using MAVEN as build tool and automated the build and deploy processes using Jenkins to move from one environment to other environments.

• Pulled code from the development line using cherry-pick feature, creating a tag and pushing it to the main line using GIT version control after integration and build.

• Monitored servers and applications with help of tools such as Splunk, Nagios.

• Deployed, maintained, troubleshoot, and tune multi-tier, distributed, cloud-based application components.

• Worked on writing Python scripts to integrate Git and Jenkins with JIRA.

• Created Python scripts to totally automate AWS services which includes web servers, ELB, Cloud Front distribution, database, EC2 and database security groups, S3 bucket and application.

• Maintained APIGEE for building applications, providing security over cyber threats in giving better assistance to the developer teams.

• Developed a PowerShell script to automate Active Directory and server tasks and generate reports for administrators and management.

• Strong Experience on Configuring the Chef-Repo and Setting up multiple Chef Work stations.

• Experienced in writing chef cookbook and recipes to automate the deployment process and to integrating chef cookbooks

• Wrote Ansible Playbooks with Python SSH as the Wrapper to manage configuration of AWS Nodes and Test Playbooks on AWS instances using Python.

• Wrote the ansible playbooks which is the first point for Ansible provisioning, where the automation is defined through tasks using YAML format. Ran Ansible Scripts to provision Dev servers.

• Application and System logs using Python and PowerShell for all applications to proactively monitor and trace errors with automated email alerts to various teams internally.

• Installed various WebSphere products using shell scripts.

• Created and maintained Shell, Python, and Ruby scripts for building applications.

• Made recommendations for WebSphere Commerce Server configurations including Portal & WCM (Web Content Management).

• Managed small team by running daily SCRUM, task estimation & assignment, assisting in development issues and code reviews.

• Manage source code, software builds, software versioning, and defect tracking on software maintenance tasks/projects.

• Configure Linux Redhat servers with Kickstart, LDAP, DNS, and DHCP and connect to Network. Integration of Windows Active Directory with Linux/Unix Servers

Environment: Azure, AWS, GIT, Maven, Jenkins, Chef, Ansible, Docker, Kubernetes, MySQL, APIGEE, Python, Splunk, Nagios, Jira, Python, PowerShell.

Cloud/DevOps Engineer

Fidelity Investments, NC Oct 2015 to Sep 2016

Responsibilities:

• Designed and configured Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, and security policies and routing.

• Deployed an Azure instance for a hybrid based authorization and encryption system.

• Established connection from Azure to On-premise datacenter using Azure ExpressRoute for Single and Multi-subscription connectivity.

• Implemented hybrid connectivity between Azure Cloud and on-premise using virtual networks and VPN.

• Assist with configuration of network infrastructure within Azure including, storage, load balancing, virtual machines, access control lists, network security groups, and various other cloud based technologies.

• Created Azure Web application projects, updated and deployed ASP.NET Web Apps, Node.js using Visual Studio, GitHub and Azure Resource Manager.

• Deployed application on PCF using Build pack and Docker and Integrated Active Directory Federation service (ADFS) with PCF for SSO. Developed spring boot applications for REST services and deployed in Pivotal Cloud Foundry (PCF).

• Used Docker to virtualize deployment containers and push the code to Azure Cloud using Pivotal Cloud Foundry (PCF).

• Installed and configured configuration tool such as Chef Server, workstation and nodes via CLI to Azure nodes.

• Used Chef as Configuration Management Tool & created Chef Cookbooks using recipes to automate system operations.

• Developed a continuous deployment pipeline using Jenkins, and Ruby, shell scripts. Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain GIT with Test/Prod Branching Model for weekly releases.

• Implementing CI/CD with VSTS as well as other open source solutions providing the pipeline that integrates with various SAAS providers for Source code version controlling, Code testing, Artifactory, Docker private registry.

• Build scripts using MAVEN build tools in Jenkins and Build Forge to move from one environment to other environments.

• Employed Kubernetes to orchestrate the deployment, scaling and management of Docker Containers.

• Managed Clusters using Kubernetes and worked on creating many pods, replication controllers, services, deployments, labels, health checks.

• Worked on Kubernetes to manage containerized applications using its nodes, ConfigMaps, selector services and deployed application containers as Pods.

• Created Elastic Load Balancer(ELB), configured Health Checks and assigned security group.

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

• Developed client Network Environments via PowerShell ISE Scripting to include, Cloud Services, Storage, provisioning Virtual Machines with Hard Disk across Availability Sets with Load Balancing.

• Ensuring deployments, maintenance and troubleshooting applications on Microsoft Azure Cloud infrastructure.

• Worked extensively with our Network Team for configuring VLAN id, Port groups, Switches.

• Configured automated VM migrations using automated scripts in PowerShell. Standardized network cable runs for VMware hosts across multiple data center.

• Implemented Shell and Python scripts for release and build automation. Manipulated and automated scripts to suit the requirements.

• Worked on MS SQL database objects tables, views, sequences, triggers, Procedures, Functions, Triggers, Cursors, Exceptions Partitions, analytical functions, views, Indexes and global temporary tables etc.

• Installed and Configured WIN, TCP/IP, DNS, DHCP, IIS and Terminal Services.

• Created, deployed and managed Linux and windows VM using Red Hat Enterprise Virtualization Manager, which includes moving and migrating VM from one cluster to another cluster or within the same cluster.

Environment: MS Azure, PCF, TFS, SQ, Maven, Jenkins, Chef, Ansible, Docker, Kubernetes, PowerShell, Visual Studio, GIT, GITHUB, Java, Node.js, Bash, Python, Perl, Ruby, PowerShell, Bash, Nagios, JIRA, Windows, UNIX/Linux Environments.

DevOps Engineer

Millennium Software Solutions, India Mar 2014 to Jun 2015

Responsibilities:

• Installing, upgrading and configuring Linux Servers using Kickstart as well as manual installations and the recovery of root password.

• 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.

• Developed automation scripting in Python (core) using Puppet to deploy and manage Java applications across Linux servers.

• Responsible for performing tasks like Branching, Tagging, and Release Activities on Version Control Tools: SVN, GIT and migrated SVN into GIT and Puppet.

• Coordinate/assist developers with establishing and applying appropriate branching, labeling/naming conventions using Subversion (SVN) and GIT source control.

• Wrote JUnit test cases, build using Maven/ANT run automatically by Jenkins in the builds triggered by each push to GIT.

• Administered and Implemented CI tools Hudson and Jenkins for automated builds migrated all projects from perforce to subversion.

• Integrated ant with Shell scripts created in Bash to automate the deployments for the Java based applications.

• Troubleshooting and resolving Splunk performance/search pooling/log monitoring issues, role mapping and dashboard creation.

• Headed Proof-of-Concepts (POC) on Splunk implementation, mentored and guided other team members on Understanding the use case of Splunk.

• Provided guidance on Nagios monitoring and runbook documentation.

• Installing and configuration of an automated tool Puppet that included installation and configuration of Puppet Master, Agent nodes and an admin control workstation.

• Writing modules for Puppet and good understanding analyzing Manifests.

• Deployed Puppet, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.

• Rewrote many Puppet modules to modern code-quality standards.

• Designed and implemented fully automated server build, management, monitoring and deployment solutions spanning multiple platforms, tools and technologies including Jenkins, Nexus, SVN, Blade logic and WebSphere.

• Created Ansible Playbooks and Puppet Manifests to provision Apache Web servers, Tomcat servers, Nginx, Apache Spark and other applications.

• Expert in implementing continuous integration and deployment systems using Jenkins, Maven, Nexus, Ansible, Anthill pro and Run deck.

• Implemented the Chef Software setup and configuration on VM's from the scratch and deployed the run-list into Chef-server and bootstrap the Chef clients remotely.

Environment: Puppet, Ansible, ANT, Maven, SVN, Git, Nagios, CI/CD, Agile, RedHat Linux, Solaris, Ubuntu, Windows, OpenStack, Java, .Net, Apache Tomcat, uDeploy, JBoss, Perl, Python, YAML, Ruby, Splunk.

Build & Release Engineer

Phenom People, Hyd, India Jun 2012 to Feb 2014

Responsibilities:

• Responsible for orchestrating CI/CD processes by responding to GIT triggers, human input, and dependency chains and environment setup.

• Creation of new branch in TFS based on label or with latest from a respective Branch.

• Developed and implemented Software Release Management strategies for various applications according to the agile process.

• Installed, Configured and Maintained RedHat Linux (RedHat Enterprise Linux 5.x, 6.x& 7.x) on SPARC, x86 and Blade Centers.

• Merging files and folders in TFS from a respective branch to another branch based on latest or with label with batch scripts

• Imported and managed multiple corporate applications into Subversion (SVN).

• Involved in all projects that move to production and work closely with the Data Center, Development, Quality Assurance and Management teams to ensure cross communication and confirmed approval of all production changes

• Provided end-user training for all Subversion (SVN) users to effectively use the tool.

• Developed build and deployment scripts using ANT and MAVEN as build tools in JENKINS to move from one environment to other environments.

• Work with application development and operation teams using a variety of automated testing and build, and deploy tools (MAVEN, Ant, Nexus, JENKINS, SVN, Selenium, JUNIT) to resolve issues with transition to new DevOps solution

• Performed WebLogic Server administration tasks such as installing, configuring, monitoring and performance tuning on Linux Environment

• Deployment and management of many servers via script and CHEF, utilizing cloud providers as a direct JIRA.

• Creation of new branch in TFS based on label or with latest from a respective Branch

• Experience in automated builds using TFS team build and cruisecontrol.net build for .net applications and Salesforce.

• Worked able to create scripts for system administration and AWS using languages such as BASH and Python

• Built and Deployed Java/J2EE to a web application server in an Agile continuous integration environment and automated the whole process.

• Created and maintained the Shell/Perl deployment scripts for Web Logic web application servers.

• Involved in editing the existing ANT files in case of errors or changes in the project requirements.

• Designed a Configuration Management solution using PUPPET.

• Implement systems that are highly available, scalable, and self-healing on the AWS platform

• Maintaining Infrastructure automation using CHEF.

• Managed MAVEN project dependencies by creating parent-child relationships between projects.

• JENKINS is used as a continuous integration tool for automation of daily process.

• Managed Dependency Management within the teams by installing and configuring Nexus Repository Manager.

• Used JIRA to track issues and Change Management.

• Experience in designing, building and maintaining an automated build and release environment.

• Good scripting skills - PowerShell preferred.

Environment: Perl Scripting, Shell Scripting, AWS, JENKINS, Nagios, JIRA, MAVEN, CHEF, Vagrant, Linux, SVN, GIT, Gradle, PUPPET, Tomcat, Scrum, Python, Ant, Nexus.

Linux Administrator

Virtusa Solaris - India Jan 2011 to Apr 2012

Responsibilities:

•Installing, tuning, troubleshooting and patching of Ubuntu and Red Hat Enterprise Linux servers.

•Installation, configuration, and maintenance of web servers, application servers, and database servers on Linux Servers.

•Package and patch management according to the requirements by testing them on the preproduction environments using rpm.

•Created Branches, Labels and performed Merges in Stash and Git.

•Installation, Configuration and support of Apache (HTTP) on Linux production servers.

Creation of new disk partitions and File Systems: Swap, ext4, LVM (Physical Volumes, Volume Groups, and Logical Volumes).

•Management of system logs (rsyslog server), system automated tasks (Cron jobs).

•Creating and maintaining user, groups account on Linux server.

•Installation, Configuration and Maintenance of Apache Tomcat, Web Sphere and Jboss servers in Sun Solaris and Linux environment.

•Installing LAMP (Linux, Apache, MySQL, and PHP) for different applications.

•Automated the processes like start server, stop server, etc., using Shell Scripting.

•Monitoring the availability & performance of RedHat Linux Servers through tools like mpstat, vmstat, iostat, netstat and nfsstat.

•Responsible for Installation, Configuration, Integration, Tuning, Backup, Crash recovery, Upgrades, Patching, Monitoring System Performance, System and Network Security and Troubleshooting of Linux/Unix Servers.

•Automated system management tasks like user account creation, file system size monitoring, monitor system resources and system maintenance using Shell and Perl scripts.

•Network trouble-shooting using 'netstat', 'ifconfig' and 'tcpdump' etc.

•Configuring IP connectivity, routing, checkpoint firewall and network interfaces. Also maintaining network connectivity of servers.

•Participating in root-cause analysis of recurring issues, system backup and security setup. Provide 24X7 support in Production Testing and Development environments.

•Documented various regular administrative tasks and backup procedures.

Environment: Linux, CentOS, Red Hat, Git, Puppet, Ubuntu, Red Hat Enterprise, Stash, Apache, NFS, LAMP, Nagios, Shell, Perl, Linux, Apache, MySQL, PHP, Apache Tomcat, Web Sphere and Jboss, Sun Solaris

System Administrator

Sasken - India Feb 2010 to Nov 2010

Responsibilities :

• Performed installation, configuration and administration of system network components (Windows Server, Active Directory, VPN connectivity, DHCP, SMTP, LAN/WAN, NAT, IPsec VPN, FTP, POP, IMAP, NIC's, WIC's).

• Plan, design, deploy, and Windows clients as well as servers through Microsoft Deployment Management.

• Troubleshooting Linux network, security related issues, capturing packets using tools such as IP tables, firewall, and TCP wrapper and NMAP.

• Worked on network connectivity, SAN storage, creating LVM and taking TSM backup.

• Ensured correct installation, configuration for Active Directory systems, includes policy implementation, DHCP and DNS.

• Managing File systems and Disk management using Solstice Disk suite.

• Install, upgrade and manage packages

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