SUMMARY:

• Around 9 years of experience as a System Administrator on RedHat Linux 4, 5, 6.0, 6.6, 6.8, 7.2 (RHEL), Suse Linux 9, 10, 11 Sp3 / 12, Sun Solaris 10, VSphere VCenter Server 2.0, 2.5, 4.0, 4.1, 5.0,5.5 running Other VMware Products like VCenter Update Manager 5.0,4.1, and Site Recovery Manager 5.1 4.0 on Linux/Unix AIX/VIO and Windows environment.
• Experience in Server build using Jumpstart, Pxeboot and kickstart Process on multiple servers.
• Experience in installing & configuring Solaris Zones, Containers & Branded Zones on Solaris 10.
• Experience in installing, configuring and managing ESX 3,3.5,4 and 4.1
• Experience in installing, configuring and managing ESXi 4.1 and 5.1
• Experience in installing, configuring and managing VSphere Vcenter Server 2.0,2.5, 4.0,4.1,5.0,5.1
• Experience in supporting AWS environment.
• Experience working on various modules of AWS like Cloud front, S3, ELB, ASG, RDS, Cloud watch, VPC and Subnet.
• Experience in real - time monitoring and alerting of applications deployed in AWS using Cloud Watch, Cloud Trail and Simple Notification Service to maximize resource allocations.
• Experienced in setting up Amazon EC2 instances, Virtual Private Cloud (VPC), and security groups.
• Migrated current Linux environment to AWS/Rhel.
• Experience in working with version control systems/ source code repository tools like Subversion, Cloud force, GIT, CVS, GitHub maintaining/troubleshooting the CM tool in UNIX and Linux environment.
• Extensive Knowledge on VMware Vmotion, SVmotion, HA and DRS Fault Tolerance. Power HA clustering.
• Experience Creating and Deploying Linux and UNIX Templates Using Virtual Center Server.
• Managed packages using RPM/YUM on Redhat Linux and maintaining patching on Linux servers.
• Experience in installing, configuring, supporting and troubleshooting Linux Networking services and protocols like NIS, LDAP, DNS, NFS, DHCP, TCP/IP, Telnet, FTP, SSH, rlogin.
• Experience in installing, configuring and maintaining RHEV-M and RHEL KVM management.
• Resolving system errors and crashes, huge file sizes, file system full errors.
• Problem determination and troubleshooting, Security using SSH.
• Creating and Managing user accounts, system security, performance tuning, change management, Documents and procedures.
• Experienced in configuring RAID (Mirroring, striping and parity) using veritas volume manager (VXVM) and LVM.
• File system management on RedHat Linux using LVM/VXVM utilities.
• Good Experience in data migration at Host level using Red Hat LVM, Veritas Volume Manager and Solaris SVM.
• Experience in Configuring, Administering & maintaining Veritas Volume Manager (VXVM) & Veritas Cluster, Redhat Cluster.
• Experience in using Veritas Net Backup Proficient in System Backup and Recovery from tapes using ufsdump, ufsrestore, tar and cpio.
• Experience in configuring the Multipathing and NIC Bonding in Linux.
• Excellent skills in analyzing, designing, implementing and system integration, Knowledge on Switches, Routers, Firewalls, Intranet.
• Installing network Printers and rectifying the Printer problems over the network.
• Configuring and troubleshooting of bonding on Linux servers and Sun servers.
• Installed and configured the CygWin and Apache Web Server.
• Good Experience in migration at storage level using VMWARE and VERITAS.
• Good experience with installation and configuration of EMC Control Center (ECC) on RedHat Linux.
• Support for Installation and configuration of Oracle, DB2 DBA and MySQL on Linux Servers.
• Installation and configuration of Oracle RAC 11g on RedHat cluster nodes.
• Production Support of various applications involving 24/7 on-call rotations.

SKILL:

Operating Systems: Linux (Redhat, SUSE), Unix (Solaris), Windows (2008/2003/2000/ NT). OEL Oracle Linux, AIX

VMware Products: VMware vSphere 6.0, VMware Infrastructure, vCenter 4.0/4.1/5,5.1/6, ESX/ ESXi 3.5/4.0/4.1/5/6 vCenter Update Manager 4.0 5.0 6.0, vSphere Client, VMware VMotion and Storage VMotion,VMware Distributed Resource Scheduler, VMware High Availability, VMware Fault Tolerance, VMware Consolidated Backup, SRM 5.0. VMware NSX

Virtualization/Hypervisor/Cloud: VM Ware, Confidential, Amazon web services(AWS), OVM (Oracle Virtual Machine), RedHat KVM, Solaris Zones, OpenStack, Docker.

Configuration/Version Tools: Chef, Ansible, Docker GIT, GIT Hub, IBM Clear Case

Windows Server NT/ 2000/2003/2008 : Active Directory Domain Services (ADDS).

Hardware: HP PROLIANT Range of Servers(DL385,DL 585,DL 580), Dell Power Edge & IBM X series Range of Servers like Dell(Dell Servers Power Edge 2950, Dell Power Edge R900, R710, R700) Sun Fire Server V120, V210, V240, V440, V480, V490, V880, V890. Cisco UCS 5108, Lenovo X3650 M5, M6.

Tools: VERITAS (Volume manager, NetBackup, Cluster server), VMware (ESx, GSx, Server and Workstation), Redhat Cluster, Sun Cluster, Zones, Containers, Nagios, ECC, Solstice Disk Suite SRDF, Explorer, Power Path, Big Brother, IBM Tivoli, Cygwin, Hadoop, ServiceNow.

Storage: EMC Clariion CX/FC, vnx, vmax Connectrix, NetApp SAN, Symmetrix/DMC, Hitachi Arrays, CISCO SAN StorageTek tape libraries L40, L80, L180, L700, SL500, SL8500, DAT & DLT, STK 9940B, 9840B, Switches Brocade 48K, 24K 12K, 3900, Cisco MDS series, Mcdata Director 6410.

Languages: HTML, Java script, C, C++.

Web Application Servers: Web Sphere Application Server 3.5,4.0, Netscape/iPlanet Server, MQSeries, WebLogic Server, IBM HTTP Server, HTML, DHTML, XML, Java Script, JVM, JSP, JBoss, Apache/Tomcat, Servlets, EJB.

Clusters: VCS 4.0 & 5.0, 6.0 Sun Cluster 3.0, 3.1, Redhat Cluster Suite, Hana GPFS cluster. VM Ware, Oracle Cluster.

EXPERIENCE:

Confidential, IL

Sr Linux/Unix System Engineer

Responsibilities:

• Installation, Configuration and Upgrade of Solaris, Red-hat Linux, SuSe Linux operating systems.
• Installation of patches and packages, Installation & configuration of Jumpstart/Flash archive, Ignite and kick start servers.
• Managing Ec2 instances and EBS volumes.
• Configuring new Security groups and availability zones in AWS.
• Implemented in Red Hat Cluster Suite and Global File system,
• Configured Red Hat Network Satellite Server and automated patch installation.
• Experience in Load Balance workload evenly across two or more servers, network links, CPUs, hard drives, or other resources, in order to get optimal resource utilization, maximize throughput, minimize response time, and avoid overload.
• Worked on server consolidation and migration from one data center to another data centers.
• Extensively worked in data and database migration from older machine to latest configurations.
• Configured IPMP, NIC Bonding and Storage Multipathing
• Troubleshooting various problems, logging call with vendors.
• Experience on migration VMware vm’s to Ec2
• Administered DNS, NIS, NIS+ and NFS, Send Mail and involved in troubleshooting.
• Installation and configuration of Veritas Volume Manager, VERITAS File System and Veritas Cluster
• Server; Maintaining and troubleshooting VCS for Failover and redundancy.
• Configured GFS (Linux) and ZFS (Solaris) file systems.
• Responsible for creating, cloning Linux Virtual machines using VMWare virtual client 3.5.
• Disk and File system management through Veritas Volume Manager, Solaris Volume Manager, Logical Volume manager.
• Configuring & handling Samba servers on Linux, Managing file system.
• Installation, Configuration and Administration of WebSphere and Apache Servers.
• Having production experience supporting and deploying to web application servers such as BEA WebLogic, Red Hat JBoss, Apache, Tomcat, and Apache HTTPD servers.
• Installation; Implemented Security Hardening per company policy; Trouble shooting system and user problems.
• Added Service Groups and resources based on the requirement with appropriate dependencies,
• Documented the in change design/Architecture diagram of Veritas Cluster Servers.
• Planning and implemented Disaster Recovery sites from the scratch; Involved in disaster recovery testing every quarter.
• Additional responsibilities included the initial design of a direct Internet connection requiring interaction with management concerning the wide array of solutions available.
• This connection utilized a screened-subnet architecture implemented via a demilitarized zone (DMZ) and bastion host proxy acting as the firewall. Security concerns were of the utmost importance.
• Part of my duties included documenting and testing the qualification design of the system while strictly
• Implementing a security policy.
• Interacting with various teams such as Oracle database team, and NetBackup team.
• Backup management and recovery policies using Veritas NetBackup.
• Experience of Storage Area Network/SAN, EMC Symmetrix/ Clarriion.
• Interaction with vendors for Hardware and software supports.
• Worked on configuring & troubleshooting of SuSE Linux 10.x/11.x.
• Involved in on-call pager rotation for production support; Demonstrated skill in supporting end users and proven ability to plan, organize and work as a member of a technical project team, both in small groups as well as large corporate areas.

Environment: Redhat Linux 5.x, 6.x 7.x, Suse Linux, 9, 10, 11 Sp3, 12, VMWARE Esxi 4.0, 5, 5.5, 6.0 U1, OVM, VERITAS Volume manager 5X, 6X, Veritas net backup, Veritas cluster server, EMC controller, HP BL 460 G8, BL 460 G7, BL 360 G7, Amazone AWS

Confidential, IL

Linux/Unix System Engineer

Responsibilities:

• Installation, configuration and upgrade of Redhat Enterprise Linux 4/5/6/7, SUSE Linux 9/10/11 sp3, 12, operating systems.
• Configured and installed Redhat Linux Servers and SUSE using kickstart respectively.
• Performed package and patches management and debugging in all flavors of Unix & Linux.
• Implemented file sharing on the network by configuring NFS on the system to share essential resources.
• Migrating Suse linux 10 to 11 and Rhel Linux 5 to 6.
• Performance tuning in Suse and Rhel Linux.
• Managed Ansible Playbooks with Ansible modules, implemented CD automation using Ansible, managing existing servers and automation of build/configuration of new servers.
• Good Experience in data migration at host level using Red Hat LVM, Veritas Volume Manager and Solaris LVM.
• Responsible for configuration management, maintenance and troubleshooting of projects, implemented a Continuous Delivery (CD) framework using Jenkins, Ansible, and Maven in Linux.
• Extensively worked in data and database migration from older machine to latest configurations.
• Good Experience in migration at storage level.
• Managed physical and Logical volumes, Volume Groups using Logical Volume Manager in Linux also did migrations from LVM to VXVM.
• Expertise in capacity planning and Migrations in Linux, Solaris.
• Worked on installation and monitoring of VMWare virtual environments with ESX 5/6.x servers and Virtual Center.
• Troubleshooting and analysis of hardware and failures for various Linux servers (Core dump and log file analysis).
• Performed configuration and troubleshooting of services like NFS, NIS, DHCP, FTP, LDAP, Web servers, Samba server, Apache server.
• Installation and configuration of Veritas Volume Manager (VXVM), Veritas file system (VFS). Implementation of RAID techniques and creation disk groups and volumes, plexes using Veritas Volume Manager 4.1.
• Managing disks and file system using Veritas Volume Manager(VxVM), Solaris Volume Manager (SVM) in Solaris Servers and using Logical Volume Manager on Linux servers.
• Built high-end servers, creating and loading images on Solaris and Linux servers using SystemImager tool.
• Expertise in Global File System (GFS), Creating, configuring and managing clusters in Redhat Linux Servers using GFS.
• RPM package administration.
• Installed, configured and managed Redhat Cluster Suite in Linux servers.
• Worked on live upgrades in Solaris servers. Configured and managed GPFS File System (GPFS) Suse Linux Servers.
• Knowledge of DAS, NAS and SAN concepts and technology. Also got knowledge in HA, Clustering, LAN.
• Configured and maintained Network Multipathing in Solaris and Linux..

Environment: Redhat Linux 5.x, 6.x, Suse Linux, 9, 10, 11 Sp3, 12, VMWARE Esxi 4.0, 5, 5.5, 6.0 U1, OVM, VERITAS Volume manager 5X, 6X, Veritas net backup, Veritas cluster server, EMC controller, Apache, JVM, LDAP, SRM configuration, HP BL 460 G8, BL 460 G7, BL 360 G7, Cisco UCS, IBM

Confidential, IL

Linux/Unix System Administrator

Responsibilities:

• Systems monitoring and administration of RedHat Linux 5.x 6.x, SUN Solaris 9/10, Servers for day-to-day problems in production environment and solved tickets on shift basis.
• Performed RedHat Kickstart Installation.
• Creating and administering users File System and user accounts on SUN Solaris Servers and Redhat Linux.
• Installation, Maintenance and Configuration of Computational Servers with corresponding and associated software on RedHat and Solaris Servers.
• Applying new patches and packages of Solaris and RedHat Linux.
• Installed patches, software up gradation, monitored log files, and performed backup for SUN Solaris as well as Linux servers.
• Worked in AWS environment, instrumental in utilizing Compute Services (EC2, ELB), Storage Services (S3, Glacier, Block Storage, Lifecycle Management policies), Elastic Beanstalk, Lambda, VPC, RDS, Trusted Advisor and Cloud Watch.
• Used IAM to assign roles, to create and manage AWS users, groups, and permissions to use AWS resources.
• Migrating the vm’s from one data center to other data center.
• Worked on moving the Data Center to different location.
• Installed VMware ESXi server on HP/Dell Servers and configured Solaris 9/10/ Red Hat Linux 5.x / Windows 2000 virtual machines for various applications.
• Configured VMware and installed several Linux and Windows Operating Systems according to the client needs. Also involved in maintenance and Troubleshooting of VMware.
• Allocating Storage from VNX.
• Setting up GIT repository for all the clients.
• Configured Firewalls and security using SSl, ipchains, IPtables, TCP wrappers, tripware and Port scanners.
• Managing thr applications with Middleware.
• Installation configuration and Administration of Sendmail on Red hat Servers.
• Installation & Configuration of Logical Volume Manager - LVM, SVM and Veritas Volume Manager on Sun Solaris and RedHat Linux Hardware.
• Configured IPMP (IP Multipathing) in Solaris and NIC Bonding in Linux.
• Adding/expanding new storage to existing/new systems using VERITAS Volume Manager and Solaris Volume manager in.
• Working with in the data center supporting to the Storage department.
• Installation, Configuration, Implementation and maintenance of Veritas Cluster Server and Redhat Cluster Server.
• Installation and configuration of Veritas Net Backup on Sun Severs and performing Backup using VNB.
• Installation and configuration of VCS on Linux environment and worked with vxvm for file system.
• Working with Active Directory of Windows Server.
• Installation and Configuration of Oracle10i/g and MySQL on Linux servers.
• Installation and configuration of Redhat Cluster Server with GFS (Global File System).
• Configuring DNS, DHCP, NIS, NFS, IP Multipathing and other Network Services in Unix/Linux Servers.
• Worked on migrating the file system from UFS to ZFS.
• Installing and configuring of Sun one Directory.
• Setup of NFS, FTP Servers in SUN Solaris and SUSE Linux.
• Design, configuration, implementation of Web Operations environment with Apache 1.2.x Web Servers. Installation and configuration of Weblogic application server.
• Configured virtual IPs and bonding on Linux and Solaris.
• Implementation and Management of Disk Quota on Linux and Solaris Servers.
• Worked on SAN management software and provided SAN administration.
• Key role in deployment, installation and configuration of Sun Servers in production environment.

Environment: Redhat Linux 5.x, 6.x, SUN Solaris 8, 9, 10, Suse Linux, 9, 10, 11 Sp3, VMWARE Esxi 4.0, 5, 5.5, SunfireV880, V440, Sun Storage Array, HBA, VERITAS Volume manager 5X, 6X, Veritas net backup, Veritas cluster server, EMC controller, Apache, JVM, LDAP, SRM configuration, HP BL 460 G8, BL 460 G7, BL 360 G7, Cisco UCS, IBM

Confidential, IL

Linux/Unix System Administrator

Responsibilities:

• Performing key support activities to install, configure, secure, upgrade, patch, troubleshoot, maintain, tune, monitor, manage and provide 24X7 on-call support of the UNIX / Linux server infrastructure.
• Installing, upgrading and configuring SUN Solaris 9/10 on Sun Servers using jump start and RedHat Linux 5.x Servers using Kickstart.
• Virtualizing windows and Linux Desktops using RHEV and RHEL KVM.
• Assisted customers with setting proper Priority/Severity of problems, work problems to resolution, recorded/documented actions in databases as well as utilized tools and resources.
• Failover, clustering and Load balancing using BigIP. Sendmail/SMTP configuration on Linux/Solaris Server.
• Installed and Configured the Apache Web Server with Tomcat on Linux/Solaris and configured the Load balancing cluster between two web servers.
• Planning and implementing Backup and Restore procedures using “Ufsdump”, “Ufsrestore”, “Tar” and “Cpio”.
• Installed and configured SAMBA, Apache server for Unix/Linux and Windows File sharing
• Allocating necessary space requirements for oracle database.
• Disk and File system management thru VERITAS volume manager, Solaris volume manager/Solstice disk suite, Logical volume manager.
• Installed and configured VERITAS Cluster Server and Redhat Cluster Suite in Solaris/Linux environment.
• Administer the Network issues and Resolving Operating Systems related issues of AIX, Linux and making sure that the users get the proper environment for testing.
• Maintained Oracle database servers for backup operations.
• Troubleshooting Sun Spark, IBM Range systems and AS 400.
• Installation and configuration of Oracle RAC on Linux and Solaris servers.
• Experience on Mainframes application installation and trouble shooting.
• Experience on user administration on mainframes.
• Working with Active Directory of Windows Server 2008.
• Configure Qlogic/Emulex HBA card to connect Unix/Linux/VMware/Windows server to SAN switches/Storage.
• Installation, configuration and maintenance DNS servers, Mail servers, FTP servers, NFS, NIS, LDAP and Samba Web servers on Sun Solaris, and Redhat Linux platforms.
• Worked in GFS and ZFS and fixed the problems occurred, set the quota and reservations for such file systems.
• Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
• Troubleshooting and analysis of hardware and software failures for various Solaris servers (core dump and log file analysis).
• Configured linux boxes using Xen in data center environment.
• Configured iplanet on Linux and Solaris servers.

Environment: Redhat Linux 4.x, 5.x, SUN Solaris 8,9,10, E250, E10K, E4500, SunfireV880/440, Sunone directory 6.2, Nagios, Sun Storage Array NAS and SAN, Sun one Directory, Firewall, VERITAS Volume Manager, Sun Disk Suit, OracleRAC 8/9i, Veritas Net backup, Apache, F5 load balancer, connextrix manager, Xen iplanet, Veritas Cluster in SAN Environment.

Confidential

System Administrator

Responsibilities:

• Involved in installation, configuration, and migration of Solaris operating system and user/group management on Solaris/Linux.
• Upgrade HP-UX, Solaris and RHE Linux system and install patches.
• Experience on installation, configuration and maintenance FTP servers, Samba servers, and Web servers on Sun Solaris, HP-UX and AIX platforms.
• Connecting WinNT Systems through Sun Solaris / Linux System using Samba.
• Installation and configuration of Apache, SSL, SSH, PHP on SUN Solaris.
• Performing tasks related to technical support & management of SUN Solaris computing servers.
• Handled User/Group Accounts, Disks and File Management System.
• Configure Qlogic/Emulex HBA card to connect Unix/Linux/VMware/Windows server to SAN switches/Storage.
• Experience with Setting up local and remote printers & backup and restore Setting up Accounting Systems
• Performing ongoing system and administrative tasks.
• Troubleshooting and analysis of hardware and software failures for various UNIX servers and HP-UX systems (core dump and log file analysis)
• Installation and configuration of software like BEA, Web Logic and Web Methods.
• User maintenance, Performance tuning of all the servers.
• Performance tuning with OS tools like sysmon, iostat, vmstat, netstat, mpstat, sar, top, etc. along with other third party tools and scripts.
• Used Veritas Cluster Server and Veritas Foundation Suites to provide high availability and storage management.
• Creating and managing shared disk groups in clustering environment.
• Performance Tuning, Administering the backups, User management & performance monitoring.
• Support iplanet and SCT’s on Campus portal servers.
• Optimization of auto installation of servers with the help of Solaris jumpstart process.
• Administering the terminal servers, Installations, Automating the routine tasks through Scripts.
• Created Documentation for Installation and quality analysis of the Operating system.
• Adding Packages and patches Upgrading systems from Solaris 8 to Solaris 9.
• Installation and maintenance of printers.
• Fine tuning of servers and configuring networks for optimum performance.
• Planning and implementing system upgrades including hardware, operating system and periodical patch upgrades.
• Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
• Documenting Maintenance process and change management.
• Monitoring SUN Solaris and RedHat Linux servers using IBM-Tivoli.

Environment: Sun Solaris 8, 9, RedHat Linux 4.x, 5.x, VERITAS Net Backup, Jboss, Windows2000/XP.