SUMMARY

• Over 7 years of experience in the areas of Linux/RHEL, VMware and Windows administration
• Profound knowledge in installing, Patching, upgrading and configuring Redhat Linux 4.x, 5.x, 6.x and 7.x using Redhat Satellite Servers.
• Experience in building datacenters including and DR policies on multiple locations with VMware, SRM, Redhat Cluster Suites.
• Installation/Configuration/Upgrade of Operating Systems, Software and Security related patches.
• Capacity planning of disk space and hardware resources required for production and development servers.
• Experienced in installation, configuration, administration, troubleshooting, tuning, security, backup/ recovery and upgrading Linux (Red Hat & SuSE) in large environments.
• Performed all the LVM tasks like creating Physical volumes, Volume groups, Logical Volumes, and file system.
• Configuring and maintaining virtual server environment using VMWARE ESXi, VSphere, VCenter
• Clustering solutions for High Availability using tools such as, Redhat HA (RHCS), and MC Service Guard, Microsoft Cluster Services, Sun Cluster
• Administering the DevOps environment for tools development and transforming the work into Linux platform
• Deployment & system configuration Automation by Puppet and Chef automation tools
• Performed patching of Linux servers on regular schedule.
• Setup, Implementation, Configuration of Backup/Restore solutions for Disaster/Business Recoveryof clients using Data Protector on UNIX, LINUX & Windows platforms
• Performance tuning ofLinuxmachines in the environment by kernel parameter tuning, identifying process that hog the system resources and containing them.
• Experience working in customizing the Kickstart and Jumpstart scripts to automate the installation of various servers used for various internal projects.
• Performed testing in Linux Environments in the Dev/Test/Prod Stages to help create a better standardized environment and resolutions of any issues if any occurred.
• Experience in Active Directory, GPOs, DNS, DHCP, File & Print Server, IIS (Web Server), FTP, Terminal Server, Microsoft Clustering and Exchange Mail Server in Windows based server environment.
• Performed automation on vSphere and vCloud environment using VMware PowerCLI
• Experienced in creating VM for Linux, Windows. LVM, ZFS and zone management
• Experience in deploying several sets of Linux guest builds from VMware Templates.
• Experienced in different tools for monitoring the health checkups for machines like CMC and Nagios version 2.10. Experienced in DMAN.
• Excellent understanding on ESX Architecture, guest OS installation, setting up of VM priorities, Cloning and Snapshots, Virtual Network, ESX Server, ESXi Server & Virtual Machines, Templates from VMs and deploying VMs from Templates

TECHNICAL SKILLS

Server Operating Systems: Red Hat EnterpriseLinux (RHEL)4.x/5.x/6x/7.x, SLES 9/10/11/12, OEL 6/7, Solaris 9/10/11 CentOS/Ubuntu, Windows Server R2, 2012, MS - DOS

Virtualization: View 4.5, 5.1 /ESXi4.1,5.0,5.1,5.5/VMWare vSphere 4/5, Site Recovery Management (SRM), VMware infrastructure 3.0/3.5,ESX 3/3.5, vCloud Suite 5.1, vCenter Lab Manager 4, vCenter Server, vCenter Update Manager, Vblock, vRA, vRealize, Orchestrator, V-Cloud Connector, VMware PowerCLI, Symantec backup,Double Take Converter, vCenter Operations manager (vCOPs), Nutanix, Platespin, vSphere, vROPS

Services: NFS, SSH, SFTP, FTP, rlogin, RPM, YUM, Samba, Auto FS

Telnet Storage: RAID 0-5/10, FreeNAS, SAN, EMC

E-mail: Lotus Notes, MS Exchange. Sendmail, Outlook,lync

Monitoring: HP Sitescope, Compaq Insight Manager, Nagios

Backup: Automated DLT Libraries, HP StorageWorks, CA ARCserve, Cheyenne Disaster Recovery

Networking skills: TCP/IP/IPVS, UDP, LAN, WAN, NIS, LDAP NIS+, DNS, DHCP, NAS, SAN, Flexpod

Designing Languages: SQL Server, Oracle, MySQL, DB2, GO, Bash, PostgreSQL 9, GIT, Python

Tools: & utilities: MS Access, Wire shark, Workflow Engines, Orchestration toolsets, Hpsa

Security tools: NetFlow, Pcap, IDS

PROFESSIONAL EXPERIENCE

Confidential - Minneapolis MN

Linux/Unix System Admistrator

Responsibilities:

• Installation and configured Oracle Enterprise Linux, SuSe & Red hat 5.x, 6.x, 7.x on Dell Power Edge, HP Proliant Blade, and CISCO UCS & IBM Blade servers using Kickstart with PXE for LAMP (Linux, Apache, MySQL and Perl/PHP) installations.
• Installation and Administration of Oracle E Linux on x86 Enterprise Servers for test lab, production and disaster recovery setup.
• Configuring Kickstart Servers and booting the images using PXE in Red Hat Linux and also used Redhat Satellite server extensively.
• Use ILO/IMM/HMC for remote access of servers on Linux/AIX respectively.
• Implementation of VMware Infrastructure for Windows, SLES 11 & Linux Red hat with VMware ESXI 5.x, 4.x, 3.5, Virtual Center 2.5 and administered the VMs with VI client.
• Automation and processing the developed tools by DevOps team for Linux
• Installed Deployment & system configuration Automation by Puppet & Cheff server
• Administering rights for Users and Groups for Virtual Center access
• Installed and configured SAMBA server for windows and
• Installed and configured LAMP (Linux, Apache, MySQL, and PHP) for different applications.
• Managing and editing Perl scripts and configurations pertinent to the transaction process for the bank and various clients.
• Performance monitoring with SAR, Iostat, VMstat, MPstat and Other Tools.
• Installed and configured HBA card in SAN storage.
• Installed, configured WebSphere Application Server 6.0.
• Networking: VLAN, TCP/IP, DNS, DHCP, HTTP, SSH
• Managing disk storage with Veritas Volume Manager 3.5/4.1 with Veritas File System (VxFS)
• Monitoring system resources, logs, disk usage, scheduling backups and restore
• Active Directory Registry management, Resource & Performance monitoring, Group policy under Windows administration
• Simplifying complex automation process in virtual environment using vRealize Orchestrator
• Deployment of VMware PowerCLI tool for automation of vSphere and vCenter administration
• Maintaining centralized interface for virtual machines networking configuration with the help of vSphere Distributed Switch.
• Implementing and patching up the new upgrades in TSM environment
• Performed administration and troubleshooting for server provisioning through cloud computing tools like VMware vcloud director, Platform ISF and DELL VIS Creator.
• Used HPSA to bring entire server infrastructure (both physical and virtual) under one management to gain full visibility to all servers and operations.

Environment: Puppet, Windows server 2003/Informix and DB2 Database, Suse Linux, RHEL 3,4,5,6, HP/DELL Blade Servers, HP PROLIANT DL servers, DELL PowerEdge servers, Chef, Shell Scripting, Powershell, Cforce, Apache, Web Logic, Websphere, Tomcat, Xen & VMware Virtualization, VDI support.

Confidential, Bellevue, Washington

Linux/ VMware Engineer

Responsibilities:

• Installation, Configuration, backup, recovery, maintenance and support of RHEL (Linux), Red hat 4.x,5.x,6.x, 7.x and Windows Servers
• Performed Installs, Upgrades, Patches, Configuration, Performance tuning on RedHat and system software & hardware.
• Installed Linux on HP Proliant DL Series servers using integrated lights-Out (ILO) and Virtual Media.
• Applying patches (using RPM and YUM) to fix the holes that are found during the quarterly scan basis using Nessus scan.
• Worked with other team members for the installed and configured database and FTP segments for the transfer of data between two segments.
• Automating the installs using Jumpstart and Kickstart and building post install scripts using Shell scripting in SUN Solaris and RHEL Servers.
• Responsible for designing/building/configuring documentation related to Red Hat Enterprise Linux 4,5,6 via Kick start/PXE and Red Hat Satellite Server
• Responsible for implementing virtualization technology using VMware and Xen.
• Performed migration of Virtual Machines and Virtual machines files using the VMotion and Storage VMotion.
• Installation, Configuration & Troubleshooting on VMware ESXi 3.5/4.0/4.1/5.0 , VSphere 4.0/5.0, Virtual Center 2.5 Servers.
• Creating profiles in puppet and pushing them across all the servers in Unix and Linux environment.
• Password policies which involves designing of PAM policies, testing of the policies and implementation
• Install/configure/maintain the Solaris /Linuxservers, NIS, DNS, NFS, Mailing List, ftp, sshd
• Configuring Kickstart Servers and booting the images using PXE in Red Hat Linux and also used Redhat Satellite server extensively.
• Disk and file system management using Solaris and VERITAS Volume Manager and Logical Volume Manager for Linux.
• Managed the load transfer over the network using IPVS
• Worked on Network traffic analysis with the help of ‘pcap’ & IDS
• Storage Infrastructure management - EMC, SAN/NetApp, FreeNAS.
• Managed NAS storage for the cloud storage.
• Performed troubleshooting to make VMware tools run on Linux Guest OS.
• Used VMware tools such as - vROPS, vRO for minimizing the critical automation process
• Windows administration - performance and resource monitoring and Server administration
• Worked on SSH protocol along with DHCP
• Load balancing over the network and the servers using F5 tools
• Managed storage in virtual environment with SDDC
• Abstracted, pooled and automated virtual cloud concepts with the help of SDDC
• Worked on IIS platform for Web server
• Configured Auto Support, SNMP based monitoring, Syslog routing for NAS management
• Used Performance Scripts on ONTAP 7.3.1 to troubleshoot the issues that arose during the backend disk failures.
• Network configuration and IP Management under SuSE

Environment: RedhatLinux4.x 5.x 6.x 7.xVMwareESX, Solaris 9, Veritas volume manager, Apache, SSH, Windows server 2003/2008 R2, Active Directory.

Confidential

Linux Admin

Responsibilities:

• Involved in Building and configuring Solaris 8/9/10 using Jump-start server and Red Hat Linux Servers using KickStart server as required for the project. Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, and UAT/Staging
• Incident management for Unix Servers (Solaris, Linux)
• Installed and configured Solaris 10 servers with Zones and containers with Sun ZFS.
• Primary responsibility includes building and supporting Solaris/ Redhat Linux 3,4 servers.
• Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk, HW and SW RAID, multipath, file systems, network using the tools NAGIOS and BMC Tools.
• Setup Puppet master, client and wrote scripts to deploy applications on Dev, QA, production environment.
• Created continuous integration system using Ant, Jenkins, Puppet full automation, Continuous Integration, faster and flawless deployments
• Worked with AWS IAM to generate new accounts, assign roles and groups
• Extensive experience in installing, integrating, tuning and troubleshooting Apache, Tomcat, WebSphere and Weblogic application server
• Implemented SUDO, SSH and other security tools and implemented SOX (Sarbanes Oxley) security compliance
• Assisted in configuring the application servers with other components such as database, web servers, LDAP directory, Active Directory, BEA Web logic etc.
• Extensive use of Veritas Volume Manager for Disk management, file system management on Sun Solaris environment
• Installation and configuration Veritas NetBackup on Sun Severs and performing Backup using Veritas Net Backup
• Expertise in Linux backup/restore with tar including disk partitioning and formatting
• Involved in Planning, building and Administration of various High Availability clusters and heart beat checking on Sun Solaris using VCS in heterogeneous SAN environment
• Regular disk management like adding / replacing hot swappable drives on existing servers/workstations, partitioning according to requirements, creating new file systems or growing existing one over the hard drives and managing file systems.
• Planned, scheduled and Implemented OS patches on both Solaris & Linux boxes as a part of proactive maintenance.

Environment: Solaris 8/9/10, Red Hat Linux 4/5, BMC Tools, NAGIOS, Veritas NetBackup, Korn Shell, Bash Scripting, Veritas Volume Manager, web servers, LDAP directory, Active Directory, BEA Web logic servers, SAN Switches, Apache, Tomcat WebSphere, Weblogic application server.

Confidential

Windows System Administrator

Responsibilities:

• Installation, Upgrade and configuration of RedhatLinuxRHEL 3.x, 4.x,5.x, 6.x and Windows 2000, 2003 servers
• Strong Knowledge in creating various objects like User Accounts, Computer Accounts, and Auto logon accounts
• Upgraded Memory, CPU and Disk size on the existingVMwareSessions on ESX Servers
• Assigning folder permissions to the users by gathering approval from the group owners
• Involved in creating new users, groups and setup their home directories and appropriate access restrictions to software in the Active Directory environment and NIS domains
• Managed performance of the server and resolved issues with Virtual Memory and swap space on operating environments.
• Setup, maintenance, and operation of company-wide services such as DNS(BIND\8), mail(sendmail), www (Apache/SSL), Samba, and DHCP
• Implemented automated installations with Kickstart/Jumpstart, installed RPMs and packages.
• Involved in hardware installation and maintenance of workstations, servers, and other supporting hardware.
• Configuring & monitoring DHCP server
• Remotely coping files using sftp, ftp, SCP, winscp, and filezilla
• Log management like monitoring and cleaning the old log files
• Configuration and administration of DNS (Bind onLinux), Web (Apache), Mail (Exchange 2003), DHCP and FTP Servers
• Configured and implemented disaster recovery standards and procedures
• Manage system installation, troubleshooting, maintenance, performance tuning, managing storage resources, network configuration to fit application and database requirements
• Documenting the configurations, changes made on any part of System and Network
• Involved in Backup of data on DAT tape drive, security, performance and availability of system and network
• Worked on Datacenter Management concepts
• Efficiently created and managed various Groups (Domain Local and Global Security
• Worked on HP Open View Service Desk (OVSD) tickets
• Raised tickets for any issues discovered during validation

Environment: RedhatLinux3.x, 4.x, 5.x Windows 2000, 2003, Exchange 2003, Apache 1.3.x, IIS 5.0, 6.0 and Oracle 8i, 9i, VMware ESX, Active Directory, FTP, SFTP.

Confidential

Windows System Administrator

Responsibilities:

• Installation, Configuration and administration of Red Hat Linux servers and support for servers.
• Installation, maintenance and regular upgrades of Red Hat Linux servers using kick start bases network
• Installation.
• Provide 24*7 system administration support for Red Hat Linux 3.x, 4.xservers and resolved trouble tickets on shift rotation basis.
• Provide the support of building the servers, Patching, users administration task, deployment software disk on DNS/NIS domain.
• Configuration of hardware and software RAID on Digital & Sun Server.
• Installation of oracle patches and troubleshooting, creating and modifying application related objects, creating profiles, users, roles and maintaining system security.
• Installation and configuration of Oracle 7.x/ 8.x.
• Implemented NFS, DNS and NIS Under Linux.
• Performed the administration of the DNS server and Configuration of the Database files.
• Write bash shell scrips for getting information about various Linux servers.
• Troubleshooting Backup and restore problems Creation of LVM utilities.
• Perform OS upgrades and patch loading as and when required as well as backed up and restored file across the network
• Write technical documentation for Various projects and worked with technical writer to finalize the documents.

Environment: RedHat Linux 4.1, 4.2, 4.3, 4.4, Oracle 7.x/8.x, LVM, RAID, DNS