SUMMARY

• Accomplished Linux/ UNIX administrator and DevOps Engineer with 10+years of experience managing server infrastructures and data - centre operations across multiple platforms (UNIX, Linux, and Windows). Effectively plan, install, configure and optimize the IT infrastructure to consistently achieve high availability and performance.
• Highly Experienced with Red Hat Enterprise Linux 7.0/7.1/7.8/7.9/8.3, Windows 2012/2016/2019 .
• VMWare vSphere, ESXi 5.0/6.0/7.0/7.0 b/7.0 GA, UNIX®.
• Experience in professional system support and solution-based IT services for Linux OS (RHEL,Ubuntu,and CentOS), Confidential Web ServicesandOpenStack
• Experience onSolaris 10/9/8/7andRHEL 4/5/6 implementationAdministration, Installation & Maintenance.
• Upgrade and Maintain Firmware onIBM p5/p6 Servers, HMC, Sun Sparc Servers.
• Integration of various network related services likeNFS, NIS, DNS, FPT and Samba Server.
• Installation and configuration ofApache/Web logic on Solaris, Linux and Windows.
• Enterprise Server administration ofSun SolarisandLinuxInstallations includingSun Fire series.
• Expertise in the setup and administration ofVERITASVolume Manager and Clusters.
• ConfiguredKickstartservers for complete hands-free installation of workstations, with custom profiles, begin/finish scripts and custom package suites/clusters.
• Troubleshooting skills with network protocols such asDNS, TCP/IP, SMTP & SNMP.
• Hands on experience with ticketing tools such asRemedy, BMC service desk expressandQuick base.
• Administration of networking devices such asRoutersandswitches.
• Experience in writing basicShell scriptsusingksh, bash, perl,for process automation of databases, applications, backup and scheduling.
• Strong technical background inStorage, Disk Management, Logical Volume Management (LVM)and logical partitioning.
• Experienced in infrastructure team on installation, configuration and administration ofCentOS 5.x/6.x/7, RHEL 5.x/6.x/7,Red Hat Satellite 6,Windows ServerandSUSE Linux 10.x/11.
• Experience in Package Management usingRed Hat RPM/YUMandRed Hat Satellite serverandLinux.
• Experience in Package management like Install, remove and update and querying packages usingRPMtool.
• Experience in Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning onUNIX Red Hat Linux Systems.
• Installation and upgrade of Packages and Patches configurationmgmt,version control,service pack& reviewing connectivity issue regarding security problem.
• Experience in Installing Firmware Upgrades,kernel patches, systems configuration onUnix/Linuxsystems.
• Experience in ConfiguringKick start serversto installRed Hat LinuxandVMWare ESXon multiple machines.
• Installed, configured and administered Continuous Integration tools such asDockerandPuppetfor automated builds.
• Experience on Puppet manifests files for all applications to manage the configuration files and to manage them as services.
• Integrated SVN into Ansible/Jenkinsto automate the code check-out process.
• Experienced in Automating, Configuring and deploying instances on AWS,Azure and Rack space cloudenvironments andData centers, also familiar withEC2,Cloud watch,Elastic Searchand managing security groups onAWS.
• Designed, wrote and built deployment using Ant/ Shell scripting and automate overall process using Subversion and Ansible.
• Involved in creating modules, manifests inPuppetusingRubyand automated various administrative tasks by creating modules and manifests on multiple servers usingPuppet.
• Designed and created multiple deployment strategies using Continuous Integration and Continuous DeploymentPipelinesusingJenkinsandBamboo.
• Experience in deploying application using Jenkins’s server and Troubleshoot build and release job failures, resolve, work with engineers on resolution.
• Automating the application deployment inside the software container usingDocker.
• Developed, documented, and automated reusable build and release processes forJ2EEandWeb Methodsapplications usingAnt,Mavenand deployed intoApache Tomcatserver onLinuxenvironment.
• Extensive experience in installation, configuration and administration of Subversion (SVN),GIT,UCM Clear CaseandTFS.
• IntegratedJIRAin withSVNand dealing with its administration in change management process.
• Expert in deploying the code through web application servers likeWeb Sphere/Web Logic/Apache Tomcat/JBOSSandjetty.
• Experience in multiplatform Linux (Red Hat Linux,Centos, andFreeBSD) and Windows environments, with hands-on expertise in scripting (bash) andRUBYprogramming.
• Experience in execution ofXML,Ant Scripts,Shell Scripts,Perl Scripts,Power Shell scripts,HTML,CSSandJAVA Scripts.
• Storage Configuration, management andRAID0, 1, 5, 6, 10 creations.
• HandlingLVMrelated tasks, Creating, resizing LVM,VeritasVolume manager and also managing Cluster environment usingVeritasCluster suite.
• Working experience on User management, disk quota and Job Scheduling usingCrontab,atjobs.
• Good understanding of OSI Model,TCP/IPprotocol suite (IP,ARP,TCP,UDP,SMTP,FTP, andTFTP).
• Proficient in hardware and software troubleshooting and problem determination/resolution.
• Good exposure in administering version control systems to create daily backups and checkpoint files.
• Install software as well as system patches. Working knowledge of yum repository concept in RHEL7
• Experienced with KSH/Bash scripts to monitor processes and making sure process start-up
• Highly experienced in establishment/setup and Providing Production Support for an extensive variety of Citrix Products, for example, Xen app 7.5/6.5/6/5, Citrix Presentation Server 10.x, Edge sight, Citrix Web Interface, Storefront and Citrix Access Gateway.
• Expertise in scripting for automation and monitoring using shell scripts
• Experienced in running heterogeneous operating systems (Linux/ Windows) on VMWare infrastructure services
• Experience in Security Hardening in Unix, Linux and Windows servers.
• Installed and configured Red hat Enterprise 6.1,7.0,7.1 with iPlanet Directory server, Resource manager, UNIX volume manager, Multipath I/O, IPMP and extended file attributes and features
• Experienced on Jenkins and Bamboo for continuous integration and for End-to-End automation for all build and deployments.
• Implemented and supported CI process via Jenkins and Bamboo for several applications including setting up pipeline jobs and downstream job configurations in Jenkins.
• Implemented rapid-provisioning and life-cycle management forLinuxusing Confidential EC2, Chef and customRuby /Bashscripts
• Experienced in running heterogeneous operating systems (Linux/ Windows) on VMWare infrastructure services
• Experience in Security Hardening in Unix, Linux and Windows servers.
• Experience on Linux (CentOS/Ubuntu, REL 7, CentOS v. 7) for installation and configuration
• Extensive involvement in DesigningAzure Resource ManagerTemplate and in designing custom build steps usingPowerShell.
• Designed and developed Cloud Service projects and deployed toWeb Apps, PaaS and IaaS.
• Manage different AZURE environment for provisioning of Linux servers and services executed by the providers.
• Good at Manage hosting plans for Azure Infrastructure, implementing & deploying workloads on Azure virtual machines (VMs).
• Experience withAWSCloud management andAnsibleAutomation.
• Experience in Configuring, Automating and Deploying Ansible for configuration management to existing Infrastructure
• Knowledge about 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.
• Wrote Ansible playbooks to launch AWS instances and used Ansible to manage
• Experienced in Private Cloud Environment- Leveraging AWS and Ansible to rapidly provision internal computer system for various clients
• Experience on Ansible and Terraform
• Automated configuration management and deployments usingAnsibleplaybooks andYamlfor resource declaration. And creating roles and updating Playbooks to provision servers by usingAnsible.
• Experience on Installing, Configuring and management inAnsibleCentralized Server and creating the playbooks to support various middleware application servers, and involved in configuring theAnsibletower as a configuration management tool to automate repetitive tasks
• Experience in Configuring and Integrating the Servers with different environments to automatically provisioning and creating new machines using Configuration management/provisioning tools likeAnsible.
• Managing DATA Centre Inbound and outbound services. Working onAnsibleautomation tool.
• Deployed and maintained the continuous integration and deployment systems using Jenkins, ANT, Maven, Nexus,Ansibleand Ruby
• Written theAnsible YAMLscripts to configure the remote servers.
• Integrated Jenkins andAnsible
• Experience withAWSCloud management andAnsibleAutomation.
• Experience onRH Linux / Solaris Unix, Veritas vxvm/vxfs, Veritas Cluster, Linux/ Solaris build automation/recovery
• Highly experience in LAN/WAN networking infrastructure and TCP/IP protocol stack, wireless networks Cloud computing concepts. DNS/DFS/DHCP/WINS Management.
• Configured of Citrix server policies, Load Management
• Extensive experience with Citrix XenApp, Edgesight, Microsoft Server OS, Microsoft AppV and Citrix Provisioning Services.
• Configured Citrix Terminal Server and Microsoft Hyper V.
• Experience in Microsoft Office Suite, Open Office, Visio, Outlook, Printing, Windows networking.
• Experience with Intel Core i9/i7/i5, HP, IBM & Dell hardware like rack-mounted servers, tower servers, desktop, laptop and other peripherals.

TECHNICAL SKILLS

Operating Systems: Windows 2007/2008/2009/2010/ 2012/2016/2019, Vista/XP, Unix/Linux (installation), RHEL 7.0,7.1,7.2,7.5,7.9,8.3, HPUX 10.20, 11.00 Windows95/98/ME/XP/Vista/Windows10, V-Hyper

VMware Tools: ESX/ESXi 7.0/7.0 b/7.0 GA Server VSphere, VMware converter 4/3 and VMware VMotion

DevOps Tools: Chef, Ansible(advanced), Jenkins (Advanced), Docker (Intermediate), Kubernetes, Puppet, Gradle, Git, Jira, Ant

Database: MS SQL Server (installation), and MS Access

Storage & Backup Software: Symantec backup exec, Vizioncore VRanger Pro, and VMware, NetApp, Hitachi Data Systems, VERITAS Net Backup Cluster Manager (VCM), Volume Manager (VVM) and HP Data Protector

Database Server: Solaris 10/11.4 and Red Hat Linux 7.9/8.3 and Win 2012/2016/2019

Directory Services: Microsoft Active Directory

Networking Protocols: TCP/IP, SMTP, DNS, DHCP, ICMP, FTP, TELNET, SSH, UDP, RIP, OSPFLanguages Linux, Shell Scripting, Perl, Python, Bash

Virtualization Tools: VMware, Virtual box

Cloud Platforms: AWS, Azure, VMware ESXi, Open Stack, AIX.

PROFESSIONAL EXPERIENCE

Senior linux ENGINEER

Confidential

RESPONSIBILITIES:

• Worked on installing, upgrading and configuring RedHat Linux 7.x,8.x, Solaris, Windows
• Managed Physical and cloud infrastructure running Redhat Linux, Solaris on AWS Cloud and X86, SPARC Hardware
• Managed Physical and cloud infrastructure running Red hat Linux
• Performed Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning onUNIX Red Hat Linux Systems.
• Installed, configured and administrated of AIX 4.3/5.1/5.2/5.3/6.1, OEL 4/5.x and SUSE Linux 10.x/11 and day-to-day system admin tasks.
• Configuring Audits Reports.
• Expert in Kickstart, Jumpstart and NIM installation methods for RHEL and IBM-AIX
• Managed DATA Center Inbound and outbound services. Working onAnsibleautomation tool.
• Responsible for leading the efforts of Deployment and Build Engineers forLinuxEnvironment.
• Implemented rapid-provisioning and life-cycle management forLinuxusing Confidential EC2, Chef, and customRuby /Bashscripts
• Maintained the continuous integration and deployment systems using Jenkins, ANT, Maven, Nexus,Ansibleand Ruby
• Configured management and deployments usingAnsibleplaybooks andYamlfor resource declaration. And creating roles and updating Playbooks to provision servers by usingAnsible.
• Installed, Configured and management inAnsibleCentralized Server and creating the playbooks to support various middleware application servers, and involved in configuring theAnsibletower as a configuration management tool to automate repetitive tasks
• Involved in UNIX/LINUX System and Network administration in Sun Solaris 9/10/11, Linux RedHat 5/6 servers running different Database and Middleware Applications.
• Installed and Configure Enterprise UNIX/LINUX systems in heterogeneous environment Linux, Solaris with SAN/NAS infrastructure across multiple sites on mission business critical systems
• Implemented, configured documentation of Backup/Restore solutions for Disaster/Business Recovery of clients using Veritas Netbackup on UNIX and LINUX platform
• Performed quarterly patching of Linux, Solaris servers on regular schedule.
• Worked on RAID groups and setting up NFS, CIFS and iSCSI protocols in SAN/NAS environment on Redhat LINUX
• Implemented of oracle RAC 10g on HPUX blades and Itanium servers with Redhat Linux RHEL along with SAN storage on EVAs.
• Involved and set up migration for UNIX/Linux server and SAN storage between data centers and also application migration and testing. This included SAN/Application migration and testing various functionalities of key application.
• Administered Linux servers for several functions including managing WebSphere, Apace/Tomcat server, mail server.
• Created profiles in Puppet and pushing them across to the associated servers in Linux environment.
• Troubleshooted Apache issues such as performance testing and tuning i.e., worker, pre-fork, mpm configuration, failure of Aapche to restart, queuing of requests, etc.
• Customized the migration life cycle concepts and implement the best practices that ensure quality standards and less downtime through the process.
• Perl and shell scripts to collection and summarize server information for server monitoring improvement project.
• Worked Puppet for pushing server configuration across distributed virtual server environment. Performance enhancement and tuning for Tomcat, Apache and JBoss servers on RHEL6 OS virtual instances. Writing Build and Build deployment scripts.
• Used Puppet Master to keep in sync configuration on hosts running agents.
• Upgraded and maintained software packages on servers using RHEL Satellite and Repository servers.
• Build new Virtual machine and physical server.
• Worked in infrastructure team on installation, configuration and administration ofCentOS 5.x/6.x/7, RHEL 5.x/6.x/7,Red Hat Satellite 6,Windows ServerandSUSE Linux 10.x/11.
• Worked with Package Management usingRed Hat RPM/YUMandRed Hat Satellite serverandLinux.
• Worked with Package management like Install, remove and update and querying packages usingRPMtool.
• Performed automated installations of Operating System using kickstart for Red Hat Enterprise Linux .
• Created, extended, reduced and administration of Logical Volume Manager (LVM) in RHEL environment.
• RPM and YUM package installations, patch and other server management.
• Troubleshooting Network, memory, CPU, swap and File system issues, TCP/IP, NFS, DNS, and SMTP in Linux.
• Worked with latest features like (Azure DevOps, OMS, NSG Rules, etc..,) introduced by Microsoft Azure and utilized it for existing business applications
• Created validating and reviewing solutions and effort estimate of converting existing workloads from classic to ARM based Azure Cloud Environment
• Deployed automation system using PowerShell scripts and JSON templates to remediate the Azure services
• Created playbooks for Openstack deployments and bug fixes with Ansible
• Expert in Configuring, Automating and Deploying Ansible for configuration management to existing Infrastructure
• Knowledge about 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.
• Wrote Ansible playbooks to launch AWS instances and used Ansible to manage
• Worked with Private Cloud Environment- Leveraging AWS and Ansible to rapidly provision internal computer system for various clients
• Worked on Ansible and Terraform
• Automated configuration management and deployments usingAnsibleplaybooks andYamlfor resource declaration. And creating roles and updating Playbooks to provision servers by usingAnsible.
• Worked on Installing, Configuring and management inAnsibleCentralized Server and creating the playbooks to support various middleware application servers, and involved in configuring theAnsibletower as a configuration management tool to automate repetitive tasks
• Worked on GIT to maintain source code in Git and GitHub repositories
• Performed building, deploying web applications in a UNIX, including exposure to Infrastructure (especially BEA Web Logic, Tomcat and WebSphere).
• Performed on tuning and preventive maintenance. Performed daily backup.
• Performed addition of Swap space at run time. Performed installation and configuration of LDAP.
• ResolvingTCP/IPnetwork access problems for the clients.
• Implementing Remote System Monitoring with Sun Microsystem.
• Performed administrative tasks such as system start up /shutdown, backups, Printing, Documentation, User Management, Security, Network management, configuration of dumb terminals.
• Troubleshooting backup and restore problems and performed day-to-day trouble shooting for the end users on Solarisand Linuxbased servers.
• Develop, Maintain, update various scripts for services (start, stop, restart, recycle, cron jobs) UNIX based shell, Perl.
• Configured and maintained NIS, NFS servers on Linux.
• Setting in Linux/Unix environment.
• Designed, Built, Configured and Troubleshot, Linux (Redhat Enterprise), Unix.

Environment: Red Hat Enterprise Linux 7.0/7.1/7.8/7.9/8.3, Windows 2012/2016/2019, Ansible 2.5, VMWare vSphere, ESXi 5.0/6.0/7.0/7.0 b/7.0 GA VMware vSphere3.5/4.1/5, Vmware infrastructure 3.5/4/5, VMware LabManager4, VCenter Server, VCenter Update Manager, SRM 4.0, vCenter HP/Dell servers, HP blade servers, Cisco Nexus 1000v Windows server 2016/2019, VMware VxVM, VxFS and VCS

LINUX ENGINEER

Confidential, IL

RESPONSIBILITIES:

• Installed, configured, maintained, Administrated, and support ofSolaris/Red hat/SUSEon Dell and HP hardware.
• Troubleshooted issues related toDNS, NIS, NFS, DHCP, Send mailon Linux and Solaris Operating Systems.
• Performed on virtual from bare metal, decommission and shutdown legacy physical servers.
• Worked on Recovery from failed restore, post deployment VM Setup.
• Installed and configured VMware ESX server instancesfor virtual server setup and deployment. Responsible for creating VMware virtual guests running Linux, Windows.
• Integrated the Linux environment with Active Directory providing a Single Sign On (SSO) solution.
• Maintained network and data security, maintained security compliance policies on the OS for SOXand internal audits.
• Installed, maintained and finetuned the Apache-Tomcat servant Wed sphereApplication Server in Linux Platform.
• Designed, implemented and maintained cloud orchestration for end user of VMs (desirable).
• Worked with internal Business Units and Field Services to run servers, make changes on servers/systems, resolve issues to find a solution to a business problem, determined cost for solutions, partner to deliver services.
• Worked with external vendors to determine solutions, determine of product meets Macy’s Technology needs, partners with vendors on installations, rearrangements and removal of equipment.
• Worked on technical documentation defining operational procedures and work instructions that can be used by the Support Teams.
• Worked closely with customer implementation teams on new builds and deployments of newly developed products.
• Worked with other operation support teams to improve process flow.
• Worked closely with the vendors to make sure solutions are implemented correctly.
• Worked on Web Application (NodeJS, Apache, IIS, Nginx) including installation, administration, configuration, troubleshooting, performance tuning, preventative maintenance, capacity planning, monitoring, and security procedures.
• Decommissioning of the old servers and keeping track or decommissioned and new servers using inventory list.
• Participated in on-call rotation to provide 24X7 technical supports.
• Configuration and troubleshooting - LAN and TCP/IP issues.
• Responsible for supporting Linux servers for production, development and testing.
• Installing, Configuring and Maintaining the DHCP, DNS, NFS, NIS,send mail server.
• User Account Management, Group Account Management, configuring dumb terminals, adding modems, formatting and partitioning disks, manipulating swap, local and remote printer management, taking and restoring backup, scheduling jobs.
• Worked on Apache Kafka which provides the ability to create streaming and stream processing applications that can read and store data in real time.
• Performed on tuning and preventive maintenance. Performed daily backup.
• Performed addition of Swap space at run time. Performed installation and configuration of LDAP.
• ResolvingTCP/IPnetwork access problems for the clients.
• Implementing Remote System Monitoring with Sun Microsystem.
• Performed administrative tasks such as system start up /shutdown, backups, Printing, Documentation, User Management, Security, Network management, configuration of dumb terminals.
• Troubleshooted backup and restore problems and performed day-to-day trouble shooting for the end users on Solarisand Linuxbased servers.
• Develop, Maintain, update various scripts for services (start, stop, restart, recycle, cron jobs) UNIX based shell, Perl.
• Configured and maintained NIS, NFS servers on Linux.
• Setting in Linux/Unix environment.
• Designed, Built, Configured and Troubleshot, Linux (Red hat Enterprise), Unix.

Environment: Windows 2010/NT, SSH Gate, Sun E450, E250.Red Hat Enterprise Linux 4.x,5.x,MS Windows 2012/2016 server, TCP/IP, NIS, NFS servers on Linux, LDAP, DHCP, DNS, LAN, uWSGI.

LINUX ENGINEER

Confidential, Ny

RESPONSIBILITIES:

• Worked on Integration of UNIX and LINUX with Active Directory using Centrify Tool Provided 24x7 on call Support for Production Environments
• Designed multi rollout scenarios to meet corporate schedules.
• Monitoring connections and load of Apache server using mod status.
• Create LAMP based game metrics web application for real-time viewing of user activity.
• Ran Operational Readiness Testing for Incident, Problem, Change, Service Catalog, Knowledge Management
• Troubleshoot customer applications issue.
• Software package and patch administration, involving adding and removing software packages and updating patches.
• Handling problems or requirements as per the ticket (Request Tracker) created.
• Maintained proper documentationof all the activities carried out during the project.
• Patching ofRHEL5 and Solaris 8, 9, 10servers forEMC PowerpathUpgrade forVMAXmigration.
• Configured toLVM (Logical Volume Manager)to manage volume group, logical and physical partitions and importing new physical volumes.
• Documentedthe standard procedure for installation and deployment of VMAX Migration and logical volume manager.
• Installed, configured, support and security implementation on following services: DHCP, SSH, SCP.
• Configured and administered ofNFS and SAMBAin Linux and Solaris.
• Maintained and monitored all of company servers operating system and application patch level, disk space and memory usage, user activities on day-to-day basis.
• Worked onRHEL systems, HP-UX machines, management & archiving.
• Migration of PHP and Ruby applications to a LAMP platform using RVM
• Troubleshooted OS issue using system message logs.
• Troubleshooted Neustar Numeri Track, Order Path, Number Manger applications issue with customer.
• Troubleshooted Web Services API, Apache Tomcat, and Cobra issues
• Created an FTP web interface to manage and send files to our customer FTP site using PHP.
• Write SQL query, insert, and update scripts for the FTP web interface.
• Installed apache, Perl Modules and customer build applications on Red hat Linux severs.
• Created NFS mount for application and Samba process for share drives.
• Created KSH/Bash scripts to monitor processes and making sure process start-up when operating system restart using chkconfig and RC startup levels.
• Manage user/group and sudo access on the Linux operating system.
• Setup log rotate for applications logs and system logs.
• Troubleshoot network issue from the OS stand point using netstat, ping, traceroute, and tcpdump commands.
• Open ports for applications and process that require special ports.
• Document process and procedures for system and database usage.
• Maintained team wiki and making sure all documents are in the correct format.
• Created a web page for internal recognition using WordPress on a Linux server with LDAP connection.

Environment: Red Hat Linux 3/4, KVM, Acronis, Solaris 8, Sun Enterprise Servers, SUN FIRE 6800/E6500/E4500, Sun Sparc1000, IBM RS/6000, Disk Suite, Veritas Volume Manager 4.0, LDAP, DNS, NIS, NIS, SNMP, Shell scripting, SENDMAIL, Apache, Puppet, WebSphere, Sun and Veritas Clusters