SUMMARY

• 8+ years of experience in Linux System Administrator/DevOps Engineer wif sound experience in Unix/Linux, VMware, AWS/Azure Cloud, Containerization, Version Control Systems and Configuration Management Tools.
• Expert in Kickstart, Jumpstart and NIM installation methods for RHEL and IBM - AIX
• Created and maintained user accounts, profiles, security rights, disk space and process monitoring.
• Installation of guest OS, configuration and patch application on hosts using Tivoli Provisioning Manager TPM.
• Implemented day-to-day tasks in Red Hat Linux including upgrading RPM's, Kernel tuning, HBA Driver, configure SAN's, Multipathing and Logical Volume Manager LVM
• Experience in LPAR, having Knowledge on Dynamic LPAR and different Regatta servers like p630, p650, p670 and p690.
• Expert in designing and developing web and windows based applications using MVC, ASP.NET, C, ADO.NET, Entity Framework
• Expertise in Installation and configuration of HACMP v 5.1/5.2/5.3 and migration of HACMP 4.3.1/4.5 to 5.1 using node-by-node migration wifout changing teh cluster setup.
• Supported WebSphere Application Server, IBM HTTP/ Apache Web Servers in AIX environment for various projects.
• Expertise in Networking TCP/IP, Ethernet, FTP, NFS, NIS, DNS, DHCP and RAID levels.
• Experienced in working wif different teams such as Network Eng., Database team and application teams to resolve teh issues and provide Customer Satisfaction.
• Experienced wif using Oracle RAC for clustering and high availability in Oracle database environments.
• Efficiency in installing, configuring and implementing teh RAID Technologies using various tools.
• Expert in managing a cluster of servers using Red Hat GFS.
• Expert in Installing, configuring, and maintaining Apache/tomcat, samba send mail, Web Sphere Application Servers.
• Implemented OpenSSH based security for teh RH-4.
• Experience in Installing and configuring Wireless network using SSL Certificate and RADIUS autantication. Set up Linux firewall router to increase network protection.
• Excellent scripting skills in UNIX Shell, Perl, and python.
• Excellent skills in analyzing, designing, implementing and system integration, Knowledge on Switches, Routers, Firewalls
• Significantly reduced teh amount of calls to teh halp desk by automating password expiration notification for users who did not log in to teh network often wif Windows PowerShell, making password-reset requests almost non-existent.
• Developed custom SQL scripts to improve teh database efficiency, reduce data load time and enhance performance
• Strong experience in managing teh Kubernetes environment for scalability, availability and zero downtime.
• Configured and Trouble shooted TCP/IP network services.
• Performed server consolidation and virtualization using HPSA vSphere ESX 3.5/4/4.1 created VM's on Virtual Center server and installed guest OS using Virtual Infrastructure client.
• An accomplished Systems administrator wif extensive experience in UNIX System Administration in Red Hat Linux (RHEL 5/6/7), AIX, Solaris, Centrify, SUSE 10/11/12, CentOS 5/6/7 and DevOps technologies.
• Installing RedHat Linux using kickstart and applying security polices for hardening teh server based on teh company policies.
• Experienced in Installation and Configuration Nginx and Apache Tomcat on Linux and UNIX, Windows platforms.
• Proficiency in VMWare. Installation and monitoring Virtual environments wif ESX Servers and Virtual Center.
• Experienced in working wif SAN hardware from vendors including EMC Symmetrix and Clarion, Hitachi, and Sun Storage Tek.
• Expert in automated installation, software distribution and production deployment using System Imager.
• Working experienced wif Blade Logic Infrastructure on Linux OS.
• Extensive experience in Installation, configuration, and administration of AIX 4.3/5.1/5.2/5.3 /6.1 , Red Hat Linux 8/9, RHEL 3.x/4.x/5.x, Red Hat Satellite 6, OEL 4/5.x and SUSE Linux 10.x/11 and day-to-day system admin tasks.
• Experience in providing highly available and fault tolerant applications utilizing orchestration technologies likeKubernetes and Apache MesosonGoogle Cloud Platform.
• Configuring Audits Reports.
• Knowledge of VMware, Hyper-V and azure WVD virtualization technologies
• Experience administering and supporting 3rd party cloud provider service offerings, emphasis on azure
• Design, deploy, manage and operate scalable, highly available, and fault tolerant systems on AWS/AZURE and traditional private cloud virtual environments
• Hands on experience in azure development, worked on azure web application, app services, azure storage, azure SQL database, virtual machines, fabric controller, Azure ad, Azure WVD search, and notification hub.
• Designed, configured and deployed Microsoft azure WVD for a multitude of applications utilizing teh azure stack (including compute, web & mobile, blobs, resource groups, azure SQL, cloud services, and arm), focusing on high - availability, fault tolerance, and auto-scaling.
• Expertise in Microsoft azure cloud services (PAAS & IAAS), application insights, document DB, internet of things (IOT), azure monitoring, key vault, visual studio online (VSO) and SQL azure WVD.
• Experienced in installing LAMP Linux, Apache, MySQL, and PHP for different applications.
• Expert in Installing, configuring and maintaining DNS, NIS, NIS, NFS, DHCP, TCP/IP.
• Expertise in implementation and designing of disaster backup and recovery plan.

TECHNICAL SKILLS

Operating Systems: Windows, UNIX, LINUX (RHEL 5/6/7, Ubuntu 12.04/16.04/18.04 , OEL 5/6/7).

Hardware and Network: DELL (PowerEdge), HP (ProLiant G7 & G8), Dell Power Edge Servers, Cisco UCS, DHCP, DNS, SNMP, SMTP, Ethernet, NFS.

Backup and Recovery tools: Dump, Restore, Tar, CPIO, Resync, Kernel re-compilation & Patches, updates.

Virtualization: VMware ESX 5.0/5.5/6.0, VMware ESXi 5.0/5.5/6.0 VMware vCenter, vSphere Client, VMware VDI, VMware Thin App

RDBMS: Oracle, MY-SQL, Postgre SQL, Mango DB and MS SQL Server

Web servers: Web logic, Web Sphere, Apache Tomcat, JBOSS

Scripting: Bash Scripting, Python and Ruby.

DevOps Tools Others: Puppet, Ansible, Chef, Gitlab & Gitlab Runners, GitHub, Jenkins, Docker and K8’s CI/CD, AWS, Azure, Docker, Maven, Ant, Jenkins, Kubernetes, Ansible, Git, Terraform, Ruby, Linux, Cloud Formation, Bash, Power Shell, New Relic, Jfrog Artifactory, Microservices

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Sr. Linux Engineer

Responsibilities:

• Updating teh infrastructure system wif puppet environment.
• Some of teh nodes have No puppet installed and some have version 3.x installed, So upgrading from 3.x to 5.x
• Troubleshooting teh modules, if there is any break in puppet files and fixing it and finding teh RCA for that.
• Working on open-source puppet for our migration and module development.
• Experienced Using GitHub as our version control tool.
• Writing manifests files upon teh requirement.
• UsedSQL*LoaderandUTI File Loaderto upload bulk data by writing scripts for teh Control file.
• Used ASP.NET AJAX Toolkit controls like Script Manager
• Understand teh existing network topology to understand teh F5 load balancer routing policies, subnet firewall configuration, DNS entries etc to replicate in teh new environment.
• Provided L2 Production support on entire IDM System, including user life cycle management of User creation, modification and termination.
• Experience working on public cloud - AWS, Azure, GCP, and/or experience working on virtualization technologies.
• Implemented a'server less'architecture usingAPI Gateway, Lambda, and Dynamo DBand deployedAWS Lambda codefrom Amazon S3 buckets. Created a Lambda Deployment function, and configured it to receive events from you're S3 bucket
• Hands-on experience maintaining deployment automation wif tools such as Puppet, Chef, or Ansible
• Experience working wif Ansible, Docker, NGINX
• IaaS experience (vSphere / ESXi / AWS / OpenStack / Azure / GCP)
• Cloud platform experience wif multiple services on AWS, GCP or Azure
• Experience wif Cloud Service Providers such as Amazon AWS, Microsoft Azure, and Google GCP
• Installed WebLogic 8.1 wif SP5 Server and configured Domains, Admin, and managed servers for applications to be deployed.
• Worked on ASP.NET State management, using Sessions and ASP.Net Caching features using Output Cache.
• ManagedKubernetesdeployments, objects for high availability and scalability using horizontal pod scaler and resources management.
• Installation, Configuration and administration of DNS, LDAP, NFS, NIS, NIS and Send mail on RedHat Linux/Debian Servers.
• Installed, Configured and Maintained Active Directory Windows Server 2008
• Strong experience in managing teh Kubernetes environment for scalability, availability and zero downtime
• Migration from SUSE Linux to Ubuntu Linux
• Developed automation scripting in Python core using Puppet to deploy and manage Java applications across Linux servers.
• Diagnosing failed disk drives using shell scripting for automated tasks.
• Logged events from forced crash dumps and trouble shooted server issues.
• Troubleshooting production servers wif IPMI tool to connect over SOL.
• Configured yum repository server for installing packages from a centralized server.
• Installation of Azure VMs on Linux system
• Scaling complex SaaS for web services
• Configured Active Directory Windows Server 2008
• Installed Check Point Firewall
• Install and configure DHCP, DNS, web Apache, IIS, mail SMTP, IMAP, POP3, and file servers on AIX and Red Hat Enterprise Linux servers
• Installing and setting up Oracle9i on Red Hat Linux for teh development team
• Installed Web Logic 9i wif SP5 Server and configured Domains, Admin and managed servers for Applications to be deployed.
• Knowledge of container technologies (architecture, build and execution of Docker images) and orchestration Kubernetes (Red Hat OpenShift).
• Build CI/CD using Jenkins, GIT, saving teh image in docker private registry.
• Experience using Salesforce in CI / CD environments.
• Experience using BMC blade logic client automation Tool.
• Used Puppet for Automation and system monitoring tool.
• Wrote shell, Perl, python, ruby scripts to automate daily repetitive activities.
• Provided production support of Apache and JBoss including installation, configuration, and management and troubleshooting.
• Implemented virtualization using HPSA in Red Hat Linux on HP - G7, G8 and IBM-z/VM series.
• Implemented day-to-day tasks in RHEL that include upgrading rpms, kernel, HBA driver, configuring SAN Disks, multi pathing and LVM file system.
• Linux kernel, memory upgrades and swaps area and performed Red Hat Linux Kick start installations.
• Hardware Maintenance and System Administration of existing RS 6000 running AIX 40 systems in Network
• Created users, manage user permissions, maintain User File System quota on Red Hat Enterprise Linux and AIX.
• Responsible for implementing monitoring solutions in Ansible, Terraform, Docker, and Jenkins.
• Experience wif cloud computing technologies (GCP/AWS), including tools such as Terraform
• Defined/setup network protocols, Network File Services NFS, and Network Information Services NIS in Red Hat Linux and AIX systems
• Used ASP.NET AJAX Toolkit controls like Script Manager
• UsedKubernetesto deploy scale, load balance, scale and manageDockercontainers.

Environment: Red Hat Enterprise Linux 4.8,5.10, Ubuntu, VERITAS Cluster Server, Veritas Volume Manager, Oracle 11G, UX, IBM AIX, SAN, EMC VNX HP ProLiant DL 380,560 WebLogic, Oracle RAC/ASM, MS Windows 2003, 2008, 2012 server, IBM and AWS, Python, Puppet.

Confidential, Memphis, TN

Linux System Administrator/Engineer

Responsibilities:

• Administered, maintained Red Hat Enterprise Linux 5.10, 4.8, Ubuntu troubleshooting hardware, operating system, applications network problems and performance issues.
• Installed, configured, and administered AIX 5.1, 5.2, 5.3, Ubuntu Linux HACMP
• Installation of Red Hat Satellite 6 Server
• Worked wif KVM Hypervisor to install, configure, and maintain Red Hat Linux.
• Deployed latest patches for, Linux and Application servers, performed Red Hat Linux Kernel Tuning
• Performed Servers consolidation and virtualization using HPSA virtual infrastructure, VMware ESX, Virtual Center, VM tools.
• Used Jenkins pipelines to drive microservices builds to theDockerregistry and deployed toKubernetes
• Experience in Implementation Apache, Tomcat 5.5 for teh Java Servlet and Java Server Pages technologies.
• Administered teh UNIX/Linux System for clustered HP Servers wif fiber attached SAN storage.
• Maintained troubleshooted SAN and Fiber card related errors on UNIX.
• Discovered and attached LUNS provided by teh Storage team to teh required Unix/Linux Servers.
• Maintained Troubleshooted Storage Disks from IBM and EMC Disk arrays.
• Created disk pools and configured shared virtual disks using Symmetrix Management Console.
• Installing, maintaining, upgrading, and supporting red hat Linux systems w/ Oracle 10G RAC wif Cluster Ready Services CRS and Sybase database.
• Installed and configured LAMP Linux, Apache, MySQL, and PHP for different applications.
• Expert in writing Shell scripting using Ksh/Csh/bash/Sed/Awk.
• Experience wif Audits in RHEL.
• Experience wif using Centrify.
• Deployed OEL
• Installation, Configured OVM
• Experience in IBM cloud Services and AWS for cloud computing.
• Installed Fuse to mount teh keys on every Debian Production Server for password-less autantication.
• Installed and configured DCHP server to give IP leases to production servers.
• Solid comprehension on configuration management tools, such as Puppet, Chef and Ansible
• Knowledge of automation and configuration tools (e.g. Puppet, Ansible,...)
• Create and maintain highly scalable andfault tolerantmulti-tier AWS and Azure environments spanning across multiple availability zones usingTerraformandCloudFormation.
• Writeterraformscripts from scratch for building Dev, Staging, Prod and DR environments.
• Management of RedHat Linux user accounts, groups, directories and file permissions.
• Created Audit Report using au report.
• Configured, Maintained OVM
• Configured, Maintained, Installed OEL
• Installation, Configuration, and administration of VMWARE IBM Blade servers
• Experience working wif production servers at multiple data centers.
• Managing and scaling complex SaaS for web services
• Experience wif using Centrify.
• Applied teh Clustering Topology that meets High Availability and Failover requirement for performance and functionality.
• Configured, managed ESX VM's wif virtual center and VI client.
• Implemented Azure cloud integrations of enterprise architecture using Active Directory, Azure Service Bus, Azure Storage, Hybrid Connection Manager, and Azure SQL server.
• Configured Azure Cloud Infrastructure to take VM level backups using teh ARM templates by creating groups and users using IAM and protect teh VMs using Azure Backup vault.
• Configured and deployed Azure IaaS VMs and PaaS instances into secure Virtual Networks by configuring DNS settings, DHCP address blocks, Virtual Networks, Azure Network settings, security, and routing policies.
• Password-less setup and agent-forwarding done for SSH login using sash-keygen tool.
• Created and maintained network users, user environment, directories, and security.
• Provide teh support of building teh server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting and KVM.
• Provided 24/7 on call support on Linux Production Servers. Responsible for maintaining security on Red Hat Linux.

Environment: Debian and Red hat Linux and SUSE Linux, Ubuntu Linux, KVM, VMWAREIBM blade servers, BladeLogic, IBM DS8300 SAN, HP UX, WebSphere 5.x/6.x, Apache 1.2/1.3/2.x, Logical Volume Manager, Veritas NetBackup 5.x/6.0, SAN Multipathing MPIO, HDLM, Power path, VM ESX 3.x/2.x, RHEL 5.x/4.x and Windows Server Environment, Windows, Python, Puppet.

Confidential, Mason, Ohio

Sr. Linux Administrator/Engineer

Responsibilities:

• Performed installation, configuration, and maintenance of red hat Linux 5. 3.
• Handling HP and DELL servers running on red hat Linux and SUSE Linux 9 and GNU.
• Linux kernel, Memory upgrades and Swap area. Red hat Linux Kickstart Installation. Configuring DNS, DHCP, NIS, NFS in Red hat Linux other Network Services.
• Installed Check Point Firewall for networks.
• Working on implementing new OCR solution; Spring Boot, OpenShift, microservices. Member of group developing containerized applications; Docker, Spring Boot, Kubernetes, OpenShift. Deployed Microservices to IBM Bluemix Cloud Foundry and later migrated to OpenShift.
• Installed and configured SAMBA server for windows and Linux connectivity.
• Installing, configuring, and deploying applications on WebLogic Application Server 9.0.
• Implemented and configured Backup policies and Storage Units using Veritas NetBackup 6.5.
• Performed file system tuning, growing, and shrinking wif Veritas File system 3.5/4. x.
• Experience in internet services installation, configuration and maintenance WWW on Apache, SMTP on send mail, POP3, LDAP... on Linux and AIX platforms, including security of provided services, ability to troubleshoot common and very uncommon problems, high availability services.
• Configure HACMP for a clustering environment on AIX servers and administered teh virtualization environments consisting of VIO servers.
• Experience wif configuration management software like Puppet, Chef, Ansible, or CFEngine
• Deployment & Configuration Automation Experience (Chef, RedHat Ansible, and Puppet)
• Experience developing configuration scripts/processes including Ansible.
• Use ILO/IMM/HMC for remote access of servers on Linux/AIX respectively.
• Scripted in python to deploy and manage applications..
• Performed troubleshooting of CPU bottle necks, memory bottle necks and gave suggestions on performance improvements. Analyzed performance issues through PERFPMR.
• Wrote Technical documentation for various projects and worked wif technical writer to finalize teh documents.

Environment: Red hat Linux 4.0,5.0, HPSA vSphere ESX Server 3.5.0, JBOSS, Remedy, EMC Power Path, windows 2000/2003, Sun Solaris 8,9,10, Solstice Disk Suite, AIX 5.3, Veritas Cluster Server, Enterprise Security Manager, WebLogic 8.1, Oracle 9i/10g.

Confidential

Unix/Linux Administrator

Responsibilities:

• Installation, configuration and OS upgrades on AIX 5.3 Red hat Linux 6 and SUSE Linux 11.
• Installation, configuration, and maintenance of Sun Solaris 9, 10 servers.
• Configuring Kickstart/Autogas Servers and booting teh images using PXE in Red hat Linux RHEL SLES.
• Installation of Red Hat Satellite 5 Server
• Maintained Active Directory Windows Server 2008
• Installed OS by using NIM method for AIX.
• Experience in AWS, Azure
• Experience in IBM cloud Services using SAAS.
• Installation of patches and other software packages on AIX and Linux Servers.
• Administration and Troubleshooting AIX servers running business critical application WebLogic applications.
• Implemented and monitored clustering on IBM p series servers using HACMP 5.4.
• Experience in LPAR, noledge on creating Dynamic LPAR's and created WPAR on AIX.
• Experience wif migration SUSE Linux to Ubuntu Linux.
• Modified Autogas XML scripts for automated SUSE Linux Installation.
• Used Veritas File system VxFS and Veritas Volume Manager VxVM to configure RAID 1 and RAID 5 Storage Systems on Sun Solaris.
• Performed daily backups, restoration of data as per requests from developers using Veritas NetBackup.
• Experience in Servers consolidation and virtualization using HPSA vSphere virtual infrastructure, HPSA vSphere ESX.
• Write Shell Scripts as cron jobs and deployment scripts for various reasons in VIM editor.
• Monitored overall system performance, performed user management, system updates and disk storage management.
• Created users, manage user permissions, maintain User File System quota on red hat Linux and AIX.
• Production support of Apache and JBoss including installation, configuration, management, and troubleshooting..
• Installed and configured Sudo for users to access teh root privileges
• Monitored servers, switches, ports etc. wif Nagios monitoring tool.
• Administered 8-server red hat Linux cluster, 6-server fedora core6 cluster, IBM DS4300 Storage, Veritas Clustering VCS and miscellaneous servers.
• Experience in Servers consolidation and virtualization using UML Linux, XEN and HPSA vSphere virtual infrastructure, HPSA vSphere ESX, HPSA vSphere center.
• Implemented NIS and NFS for administrative and project requirements on AIX and Linux platforms.
• Worked closely wif database administration staff to ensure optimal performance of databases and maintain development applications and databases.
• Tuning teh kernel parameters based on teh application/database requirement.

Environment: AIX 4.3/5.1/5.2/5.3 , Red hat Linux AS3.0, AS 4.0, Sun Solaris 9,10, SLES 9, 10, IBM System p series 520/570/590/630/650/670 , HP UX, Sun Fire 6800, 4800, V890, V880, V490, V480 and V210, Veritas Volume Manager, IBM HACMP 5.4, Veritas Cluster Server, DS8300, Python, WebSphere ND 5.1, XD 5.1, WebLogic 8.1, Samba, Oracle 9i/10g, Veritas