SUMMARY

• Over 8+ years of experience in Installation, Configuration, Management of Linux OS (RHEL, CentOS, and Ubuntu), and Build customized AWS Infrastructure for various applications from scratch ( EC2, RDS, Security Groups, VPCs, public/private subnets, ELB, Auto scaling, roles, policies etc.) and establish connectivity between various AWS resources.
• Exposed to all aspects of Software Development Life Cycle ( SDLC ) such as Analysis, Planning, Developing, Testing, and Implementing and Post - Production analysis of the projects.
• Involved in designing and deploying multitude applications utilizing almost all the AWS stack ( Including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, IAM ) focusing on high-availability, fault tolerance, and auto-scaling in AWS Cloud Formation.
• Configuring and Administering NFS, DNS, NIS, DHCP, NIS+ and LDAP on Sun Solaris and on Linux server environment. Also, Expert in automation (writing Shell, Perl & Python scripts) to monitor UNIX production applications.
• Extensive experience in the design and implementation of Continuous Integration, Continuous Delivery, Continuous Deployment and Devops processes for Agile projects, working with technologies and platforms including Java , Jenkins, Subversion, Git, Oracle, UNIX/Linux, VM Ware, Docker, Vagrant, Chef, Puppet, AWS.
• Worked on Amazon Web Services like EC2, S3 bucket, RDS, EBS, ELB, Auto-Scaling, AMI, Cloud Watch, Cloud Formation, Route53, IAM through AWS Console and API Integration with Puppet Code.
• Worked with Chef Enterprise Hosted as well as On-Premise, Managed On-site OS/Applications/Services/Packages using Chef as well as AWS for EC2/S3/Route53&ELB with Chef Cookbooks, Installing Workstation, Bootstrapped Nodes, Written Recipes and Cookbooks and uploading them to Chef-server.
• Design and develop continuous deployment pipeline, integrating Test-Kitchen, Vagrant, Git, Jenkins and Chef across geographically separated hosting zones in AWS, Azure and Google compute.
• Experience on all areas of Jenkins like Plugin Management, Securing Jenkins, Performance issues, Analytics, Scaling Jenkins, integrating Code Analysis and Test Phases to complete the CD pipelines within Jenkins.
• Python programming for Redshift system to automatically terminate long idle sessions, automatic email alert for long running queries, periodic table statistics collection, etc.
• Worked on source control tools like Tortoise SVN, CVS, IBM Clear Case, Perforce, and GIT. And utilized Puppet hierarchy files, facts, and global variables, Created Custom as well as downloaded pre-written Modules and Manifests.
• In-depth knowledge of NFS, DHCP, NFS, FTP.
• Day to day job included but not limited to handling Tickets, Monitoring, Troubleshooting and maintenance. And architected and designed Rapid deployment method using Ansible to auto deploy servers as needed.
• Responsible for building out and improving the reliability and performance of cloud applications and cloud infrastructure deployed on Amazon Web Services.
• Configuration and Administration of Checkpoint, Palo Alto Firewalls to manage large scale firewall deployments.
• Architected & Implemented security to meet PCI requirements, using VPC Public/Private subnets, Security Groups, NACLs, IAM roles, policies, VPN, WAF, Trust Advisor, Cloud Trail etc. to pass penetration testing against infrastructure.
• Managing major architecture changes from single server large software system to a distributed system with Docker and Kubernetes orchestration.
• Developed an opensource project with Kubernetes to manage a cluster of Linux containers, running Docker containers across multiple hosts.
• In-depth understanding of the principles and best practices of Software Configuration Management (SCM) which includes code compilation, packaging/deployment/ release methodology, and application configurations.
• Creation of subnets and Route tables, Internet gateway, virtual gateway customer gateway, Create VPN connection, Create VPC peering between Many VPC's.
• Experience with Atlassian JIRA installation, administration and maintenance and also Deployed Atlassian products and associated programs
• Implementing and setting up S3 SYNC between AWS Instances and S3 on AWS Environment.
• Create DHCP Option set for AD environment and Build Puppet server and Clients on AWS environment.
• Automating Web Sphere EAR file deploys through Cruise Control, Jenkins, Team City, and Bamboo. Expertise in Querying RDBMS such as Oracle, MY SQL and SQL Server by using PL/SQL for data integrity.
• Day to day administration of the Development environment and Production and Test environment systems. 24x7 on-call support. Strong desire to learn new technologies with positive attitude.

TECHNICAL SKILLS

Operating Systems: RHEL/CentOS 5.x/6.x/7, Ubuntu/Debian/Fedora, Sun Solaris 7/8/9/10, HPUX, Windows Server 2003/2008/2012

Build/Automation Tools: Puppet, Chef, Ant, Maven, Jenkins, Hudson &Bamboo,Docker

Languages: Shell, Bash, Perl, Ruby and Python scripting

Databases: MySQL, MongoDB, Cassandra, PostgreSQL, SQL Server

Web/App Server: Apache, IIS, HIS, Tomcat, WebSphere Application Server, JBoss

Bug Tracking Tools: JIRA, Fisheye, Crucible, Rally, Remedy and IBM Clear Quest, Bugzilla, and HP Quality Center.

Version Control Tools: Subversion, GIT, Tortoise SVN, Visual SVN

Web Technologies/Programing Languages: Servlets, JDBC, JSP, XML, HTML, .Net, Java Script, Java/J2EE, C, C++, Ruby, Perl scripting, Python, Shell scripting.

PROFESSIONAL EXPERIENCE

Confidential, Pittsburg, PA

Linux Admin

Responsibilities:

• Installed and Configured Oracle on Solaris 9/10 and RedhatLinux Environment.
• Administration of RHEL 5.x and Solaris 9, 10 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.
• Jumpstart Solaris servers, custom configure, install packages, patches, harden. Creating LDOMs, installing Solaris, creating volumes & installing packages.
• Responsible for installation and configuration of Solaris 10 on Sparc and X86 servers using jumpstart and interactive methods.
• Involved in SAN migrations at host level using LVM mirroring and SVM Mirroring.
• Working knowledge with shell scripting using Bourne Again Shell (BASH).
• Experience using YUM and RPM for package management.
• Creating, cloning Linux Virtual Machines, templates using VMWare 4/5 and migrating servers between ESX hosts.
• Extensively managed Active Directory like all the problems related to user accounts, domain accounts, managing permissions etc.
• Involved in operational support of Active Directory, WINS, DNS, and AD enabled applications.
• Installing and updating the windows patches.
• Creating NTFS shares on Windows Servers and provide permissions to users.
• Setting up perform windows servers to analyze performance issues.
• Built and manage Virtual servers on VMwareESXServer3.0/3.5.
• Experience in creating Clusters in Virtual Center and adding ESX Hosts to Virtual Center Cluster.
• Worked on Migrating Virtual Machines with VMotion.
• Experience in configuring VMware DRS Rules and VMware HA on Clusters in Virtual Center.
• Experience in creating and monitoring Resource Pool for Virtual Machines Resource Reservation and Limits.
• Involved in daily Performance monitoring and Active Directory troubleshooting with the ability to analyze server performance and make recommendations for improvement.
• Helped in auditing Datacenter Inventory in the process of Data center migration.
• Installing Redhat Linux using kickstart and applying security policies for hardening the server based on the company's policies.
• Lockdown the local accounts to secure the environment using NIS.
• Planned, scheduled and Implemented OS patches on both Solaris & Linux boxes as a part of proactive maintenance and Secure Shell (SSH) implementation.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Troubleshooting tickets, which includes storage, network, system related issues and logging RCA using BMC Remedy.
• Worked and performed data-center operations including rack mounting, cabling.
• Worked on creating disk groups, volumes, deporting, importing disk groups using VERITAS volume manager.
• Expertise in installation, configuration and administration of Windows 2000/2003/2008 servers, Active Directory and exchange server.
• Set up user and group login ID's, printing parameters, network configuration, password, resolving.

Confidential, Dallas Texas

Linux Admin

Responsibilities:

• Installation, configuration and deployment of VMware products such as VMware Workstation, VMware converter, VMware View, VCB and more in virtual environment
• Experience in installing, configuring and troubleshooting VMware View Composer and View Connection Manager to make Virtual Desktop Infrastructure efficient and to simplify desktop administrative management tasks. Responsible for successfully upgrading all hosts and vCenter servers to vSphere 4.1
• Experience of FC SAN/iSCSI SAN/NAS (EMC (CX3), NetApp, Dell MD3000i, Dell MD1000) storage technology and work with SANs in VMware environments
• Wrote multiple programs in Python to monitor virtual machine usage data using VMWare API calls.
• Actively involved in PSM VMware vSphere4/ESX4, Win2003/2008R2 Server deployment in DR environment
• Management of RedHat Linux user accounts, groups, directories and file permissions.
• Configured yum repository server using Chef on Red Hat Enterprise Linux in VMware environment.
• Test and recommend Replication/Backup solutions for VMware, SAN and Disaster Recovery
• Using VMware vCenter, created Datacenter Environment by creating VMware clusters, adding ESX hosts in the clusters, and implemented HA and DRS.
• Installing, configuring and administering Jenkins CI tool on Linux machines
• Deployed production site using Apache 2.0 with mod python and Upgraded Python 2.3 to Python 2.5 on a RHEL 4 server, this required recompiling mod python to use Python 2.5.
• Developed web sites using PHP/MySQL, Python, Ruby of Rails, XHTML, CSS, JavaScript
• Developed a fully automated continuous integration system using Git, Jenkins, MySQL and custom tools developed in Python and Bash.
• Used Puppet to manage Web Applications, Configuration Files, Data Base, Commands, Users Mount Points, and Packages.
• Experience with Configuration Management Tools (PUPPET, Ansible). Installed and configured DCHP server to giveIP leases to production servers.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using puppet.
• Designing and Setting-Up the Splunk Architecture in the organization.
• Migrated all operations files and scripts to GitHub Enterprise installation to optimize deployment and allow tracking of configurations and scripts within GitHub.
• Installed Fuse to mount the keys on every Debian Production Server for password-less authentication.
• Experience in migration of consumer data from one production server to another production server over the network with the help of Bash and Perl scripting.

Confidential, Charlotte, NC

AWS Cloud Engineer

Responsibilities:

• Installed Workstation, Bootstrapped Nodes, Wrote Recipes, and Cookbooks and uploaded them to Chef-server, Managed On-site OS/Applications/Services/ Packages using Chef as well as AWS for EC2/S3&ELB with Chef Cookbooks.
• Involved in Implementation of various AWS cloud Application& deployment using Amazon EC2, S3, RDS(MySQL), Elastic load balancing, Auto scaling, Cloud Front, Elastic Block Storage, Elastic Beanstalk,Cloud Watch, Identity Access Management, Implementing Virtual cloud platforms using Amazon Virtual Private Cloud.
• Migrated over 80% of VMWARE VMs to AWS and Managed Services like EC2, S3 Bucket, Route53, ELB, EBS etc. with Opscode Chef Cookbooks/Recipes.
• Setup and build AWS infrastructure various resources, VPC EC2, S3, IAM, EBS, Security Group, Auto Scaling, and RDS in Cloud Formation JSON templates.
• Maintained the user accounts (IAM), RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS and SNS services in AWS cloud.
• As an Amazon, certified engineer has experience on wide range of services provided by amazon and integrating them with cost effective third party tools to provide low cost solutions to the customers.
• Setting up private networks and sub-networks using virtual private cloud (VPC) and creating security groups to associate with the networks.
• Support for all other AWS products such as RDS, Route53 (DNS), Cloud Trail, Elastic cache, Lamda and Amazon Kinesis.
• Conduct builds for suite of J2EE applications using Jenkins, Maven, and Ant on Windows and Linux environment .
• Created monitors, alarms and notifications for EC2 hosts using CloudWatch. Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using chef.
• Collaborate in the automation of AWS infrastructure via terraform and Jenkins - software and services configuration via chef cookbooks.
• Planning, deploying, monitoring, and maintaining Amazon AWS cloud infrastructure consisting of multiple EC2 nodes and VMWare Vm's as required in the environment.
• Used security groups, network ACLs, Internet Gateways, NAT instances and Route tables to ensure a secure zone for organizations in AWS public cloud.
• Worked on AWS Cloud platform and its features which includes EC2, VPC, EBS, AMI, SNS, RDS, EBS, Cloud Watch, Cloud Trail, Cloud Formation AWS Config, Auto scaling, Cloud Front, IAM.
• Utilize AWS CLI to automate backups of ephemeral data-stores to S3 buckets, EBS and create nightly AMIs for mission critical production servers as backups.
• I used various services of AWS for this infrastructure. I used EC2 as virtual servers to host Git, Jenkins and configuration management tool like Ansible . Converted slow and manual procedures to dynamic API generated procedures.
• Maintained the user accounts (IAM), RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS and SNS services in AWS cloud.
• Evolve build pipeline, continuous integration and test automation framework utilizing such tools as, Terraform, Git, API Gateway, and Jenkins.
• Experience in writing new plugins to support new functionality in Terraform and also multi cloud deployment using single configuration.
• Experience in design micro services deployment using Docker and Kubernetes.
• Hands on experience in creating pods and managing the cluster environment on Kubernetes.
• Designing and implementing container orchestration systems with Docker Swarm, Kubernetes.
• Provided security and managed user access and quota using AWS Identity and Access Management (IAM), including creating new Policies for user management in JSON
• Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances.
• Developed build using ANT and MAVEN as build tools and used Jenkins to kick off the builds move from one environment to other non-production environments.
• Implemented and designed AWS virtual servers by Ansible roles to ensure deployment of web applications.
• Design, develop and implement an automated Linux ( Centos, Amazon ) infrastructure using Chef, Collective and AWS and move existing applications off windows seamlessly to it while aggressively growing.

Confidential

VMware Admin/Linux Admin

Responsibilities:

• Implementation of VMware vSphere 4.1 with Enterprise Plus Features of vDistributed Switch and Host Profiles Upgrade Experience from VMware Infrastructure 3.0, 3.5 to vSphere 4.0 and Update 1 including vCenter4.0, ESX Hosts, Update manager, vSphere client, and Virtual machines tools and H/W upgrade to vSphere 4.0 (Ver 7)
• Worked with DB teams to deploy RDS in Multiple Availability zones and configure & tested DB Failover scenarios by creating read replicas of primary DB, including testing of Read replicas to promote to Primary DB and configured backups of DB.
• Developed VLANS and included ports to VLANS by configuring and monitoring port Security on switches.
• Researched, designed, and replaced aging Checkpoint firewall architecture with new next generation Palo Alto appliances serving as firewalls and URL and application inspection.
• Configuration and Administration of Checkpoint, Palo Alto Firewalls to manage large scale firewall deployments.
• Huge P2V Experience using VMware converter running different applications with Different Hardware.
• Installed SQL Server 2012 with latest Service pack and established connectivity with the database created, configured and maintained database maintenance plans.
• Involved in Deploying the Redhat Linux enterprise server 5.x, 6.x versions.
• Responsible for all aspects of the Software Configuration Management process including Code Compilation, Packaging, Deployment, Release Methodology and Application Configurations
• Applied patches every quarter regularly to meet audit requirements using Oracle Ops Center, Red Hat Satellite server, Up2Date, YUM, RPM tools.
• As a member of a group of Linux/Unix administrators, responsible for providing for 24x7 support for production and responding to user tickets created from Peregrine Ticketing Tool.
• Installed Linux (RHEL 5.5) on HP Blade and VmWare ESX servers using RedHat tool Cobbler.
• Mounting & un-mounting the netapp storage LUNs to the Red Hat Linux servers and troubleshooting the issues encountered.
• Setup Kickstart server for quicker installation and ease of adding additional servers.
• For monitoring the network bandwidth and the hard drives status, Installed and configured monitoring tools Nagios.
• Rapid-provisioning and configuration management for CentOS using Kickstart and Puppet
• Worked with enterprise Identity Management team to drive & certify federation requirements utilizing ADFS&SAML.
• Created Microsoft Windows Installer packages using Wise Package Studio and Admin Studio. Advertised and managed packages and collections in SCCM environment.
• Installation/Configuration of ESXi 3.5, 4.x servers and applying security patches to the ESXi servers
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 5.5 and migrating servers between ESX hosts.
• Troubleshoot the Network Issues onsite and remotely depending on the severity of the issues.
• Involved in Provision VMware Datastore’s and configure storage for Virtual Machines
• Designing and Setting-Up the Splunk Architecture in the organization
• Creating DLP (Data Leakage Prevention) Reports through SPLUNK
• Experience in using VmWare vMotion to move VM's from One Datacenter to another datacenter.
• Installed, integrated and tuned LDAP, Apache Tomcat, JBOSS, WebSphere and Web logic application server.
• Worked on improving the scalability and performance of the Linux NFS kernel server.
• Helped write anNFSv4 server from scratch, including the underlying workqueue infrastructure, RPC layer and NFSv4 state tracking.
• Using the MySQL Database on Ec2 and Get the data Backup using Linux scripting language on EC2.
• Create Auto-scaling group and setup suspend process resume process for all UCAS application.
• VPC migration from Production environment to other environments like NON-PROD, SIT, HEP
• Performed user account administration, created groups and add users to the appropriate group.
• Worked on Storage Area Networks (SAN) of EMC Symmetrix, CLARiiON CX300 Storage Arrays and Dell Equalogic storage.

Confidential

Jr. System Admin

Responsibilities:

• Installation, configuration and Operating System upgrade on, Red Hat Linux and Sun Solaris.
• System administration support involving server build, installation, configuration and implementation on Linux (Red Hat & SuSE) and Solaris/AIX serversAdministration of DHCP, FTP, NFS, Apache-Tomcat, Samba, Squid proxy on Linux.
• Experience in VMWARE ESXi 4 and vSphere and managed VM resource upgrades.
• Perform User Account management, data backups, and user’s logon support.
• Configured Logical Storage Manager (LSM) for root disk encapsulation and implemented root disk mirroring for fault tolerance. And configured logical volumes using logical volume manager (LVM) and also configured mirroring.
• Creating and Managing Virtual Machines using templates and images, and building production ready VM’s and monitoring and managing performance of vSphere ESXi servers and Virtual Machines.
• Experience in adding NFS storage and iSCSI storage to vSphere hosts. And Production support of Apache, PHP,My SQL, Tomcat including installation, configuration, management and troubleshooting.
• Planning and implementing Backup and Restore procedures using Ufsdump, Ufsrestore, Tar” and “Cpio”.
• Monitoring day-to-day administration and maintenance operations of the company network and systems working on Linux and Solaris Systems.
• Installation of Web logic, upgraded to service pack updates, installed BEA patches, configuring and creation new domain & services starting & stopping.
• Configured theNIS, NIS+ and DNS on Red Hat Linux 5.1 and update NIS maps and organize the RHN Satellite Servers in combination with RHN Proxy Server. Merged the generated reports as per request. Formatted data into required format using UNIX Shell Scripts, SED and Awk.
• Involved in developing custom scripts using Shell (bash, ksh) to automate jobs.
• Defining and Develop plan for Change, Problem & Incident management Process based on ITIL.
• Installed and configured the Red Hat Linux 5.1 on HP-Dl585 servers using Kick Start.
• Created Storage Group, Zones, Volume groups, and different RAID are using EMC Utility and responsible for backup and recovery using NetApps snapshot. And Configured and Administrated NIS, NFS, AUTOFS, and NTP.
• Define Mapping Servlets, Filters, and Session Configuration on JBOSS, and experience on networking communication protocols such as TCP/IP, Telnet, FTP, NDM, SSH, rlogin.
• Production support of Apache and JBoss including installation, configuration, management and troubleshooting. Installation and monitoring of Veritas Volume Manager, Veritas NetBackup and Veritas Cluster Server on SAN Environment.
• Worked on the administration of the JBoss 4.2.2 servers including installation and deployments.
• Extensive experience in Security Patching.
• Worked with various types of file systems, and volume management solutions: ZFS, LVM, VxVM, and SVM.
• Used Veritas File system and Veritas Volume Manager 5.0 to configure the RAID 1 and RAID 5 Storage Systems.
• Setting up NIS/NFS on RedHat servers setting up JBOSS cluster and oracle10g cluster configuring load balancing on apache Redhat Linux 4 x/5 x/6 x
• Working with backup team for the Legato backup & Restore, Legato client Installation in the Redhat Linux server
• Initiating Backups on daily basis and monitoring the scheduled backups