SUMMARY:

• Over 9+years of IT industry experience in System Integrator on Linux, Sun Solaris, VMware and Windows. Providing 24*7 supports as per the Business need.
• Experienced in configuring Kickstart and Jumpstart servers to initiate installation of Red Hat Linux and Solaris on several machines at once.
• Performed Installs, Upgrades, Patches, Configuration, Performance tuning on UNIX and system software & hardware.
• Experience in using version controller tools like Subversion (SVN), GIT, IBM Clear case UCM and PVCS
• Comprehensive Knowledge of Linux kernel tuning, patching and extensive knowledge of Linux system imaging/mirroring using System Imager.
• Experience in working Satellite 5, 6 and customizing the Kick - start and Jumpstart scripts to automate the installation of various servers used for various internal projects.
• Experienced with UNIX Administration, EMC Storage Administration, Enterprise Hardware Troubleshooting and Capacity Planning. Involved in complete Administration tasks on UNIX (SUN Solaris, RedHat Linux) and documentation for the projects executed
• Experience in Installation, Configuration and Troubleshooting of various web server issues including IBM HTTP Server, Apache Web Server 2.x/1.x, Tomcat 5.x/4.x/3. x.
• Experience in installation and configuration of RedHat Clustering.
• Experienced in Logical Volume Management on Linux with LVM Knowledgeable in HTTP, HTTPS, SMTP, FTP, SFTP, DHCP, DNS, SNMP TCP/IP, UDP, ICMP, VPN, POP3 protocols
• Experienced setting up VMware and virtualization technologies, vCenter, deploying virtual machines, Cloning, Snapshots, Templates, Data stores, VLANs.
• Expert in setting up SSH, SCP, SFTP connectivity between UNIX hosts
• Good knowledge and understanding of Tiered Network, CSS load balancers, Global Switch Selector (GSS), Firewalls, network switches, NAT and troubleshooting issues related to Load balancer and Firewalls.
• Experience working RedHat GFS and Veritas Cluster File systems.
• Experience in writing Shell scripts using ksh, bash, and Perl, for process automation of databases, applications, backup and scheduling.
• Experience in virtualizing Operating System services using Solaris Zones and Containers, configuring and maintaining global and local zones.
• Experience in using VERITAS Volume manager. Creating new file systems, mounting file systems and unmounting file systems, Hands on experience in Tivoli Storage Manager (TSM).
• Proficient in Installing, Configuration, Troubleshooting Computers, Software, Routers, Switches, Modems, Data Circuits and other Data Communication Equipment.
• Experienced with Unix Administration EMC SAN Administration, NetApp, Qnap & NAS administration.
• Proficient with user account maintenance, backup & recovery, Auto-mounting, License Management and Printer configuration.
• Have very good experience working with Change Management for scheduling changes on Production and UA server using BMC Remedy Ticketing System.
• Have been and willing to work in flexible hours for production and Backup support.
• Experience supporting 7x24 production computing environments, experience in providing on-call and weekend support.

TECHNICAL SKILLS:

Operating Systems: RedHat Linux 4, 5, 6, 7, Solaris 8, 9, 10,11, VMWare ESX 3, 45, SUSE 9, 10, Centos 4, 5, Fedora 12, 14, 16, Debian 5, 6,7Ubuntu 11, 12, AIX 5, 6

Programming Languages: Shell scripts KSH, CSH, BASH, HTML, CSS, PERL

Databases: Microsoft, SQL Server, Sybase, MySQL,Oracle 7.x/8.0/9i

Hardware: HP ProLiant DL 360, 380, 580, 980, G3, G4, G6, G7, Dell PowerEdge 2850, 2950, Intel X64 based servers, HP Blade Servers, IBM RS/6000, M80, S80, H70, H80 Pseries 570, 590595, 630, 650, Sun Fire 4500, V480, Backup Devices such as tape library and tape drives

Server Monitoring Tools: Service Now, HP Open view, Nagios, HP Site scope

Networking: NIS, NFS, DNS, SSH, CISCO Switches/Routers/Access points and Firewalls

Protocols: TCP/IP, IPv4, IPv6, FTP, SFTP, SCP, SSL, ARP, DHCPLDAP(TDS), TFTP, RARP.

Virtualization: VMware, Virtual Box, XEN, VSphere Client

Storage Devices: VVM 3.1/3.2, RAID Manager, NAS, SAN.

SAN: EMC2, HDLM, NetApp, DMX, VMAX, Hitachi arrays

Volume Management: RedHat LVM, VERITAS Volume Manager.

DevOps Tools: Puppet, Jenkins, Ansible.

ISAM 9/ TAM6.1: IBM Security Access Manager/Tivoli Access Manager

Cloud: AWS, Hadoop

PROFESSIONAL EXPERIENCE:

Confidential, Cambridge, MA

Sr. Linux System Administrator

Responsibilities:

• Installation, configuration and upgrade of RHEL 4/5/6 (and some 7), Ubuntu, Oracle Enterprise Linux5/6/7 operating systems.
• Automated installation of Linux servers using Kickstart and Installation of Solaris using Flash, live upgrades and Jumpstart Servers.
• Data center migration and consolidation project - worked on migration builds, data-transfer mechanisms (rsync, storage-level block copies, VMware clones, etc.) and meeting deadlines in a high-paced environment.
• Implemented VMware design, performing P2P, P2V, and V2P. Migrated Physical Machines to Virtual Machines (P2V) and Virtual Machines to Virtual Machines (V2V) using VMware converter.
• Experienced in supporting Application and Database teams for installation (shell scripting), configuration, migration and performance troubleshooting.
• Creating and managing file systems, Creating and managing Logical volumes in Linux and VERITAS Volume manager in Solaris & Linux & IBM AIX.
• Worked with variety of File system management software’s such as Veritas Volume Manager, LVM, ZFS, SVM
• Setup and improved LSF infrastructure for US and UK sites
• PXE boot set up for kickstart and building servers, built kickstart servers in DR site - using http method, created documents for building new servers using kickstart
• Multi pathing of disks using PowerPath
• Continuous improvement to LSF performance using Test Cluster.
• Worked in ITIL compliant Change Controlled environment (BMC Remedy)
• Diagnosis and maintenance of hardware issues involving single and multiple point failures.
• Proficient working experience with vendors like HP, Oracle, Dell, Veritas and RedHat for troubleshooting issues.
• Creating and managing Virtual Machines and Kick Start Templates.
• Installed and setup RTM (Real Time Monitoring) LSF services via Alerts.
• Worked on Linux KVM for virtual environment built up.
• Developed from the ground up, using native VMware APIs, REST, a new automated Inventory System for VDI containing detailed real-time information about the desktop, infrastructure, and assigned user thereby significantly improving billing accuracy, recoveries, asset cleanup, and resource utilization.
• Installing packages using yum
• Expertise in managing Virtual Linux servers running on VMWare ESX 4/5.
• Actively involved in Change board meetings and responsible for creating changes and implementing them mainly in Production environment.
• Currently working on build activities which involves building RedHat Enterprise Linux 6, RedHat Enterprise Linux 7, servers in both Physical and Virtual platforms and procedure documentation.
• Experienced in recovering OS from VM snapshots and working on Maintenance mode through VM console.
• Perform Backup and restore. Restored files for end-users when necessary.
• Work on implementation of security controls and monitors compliance with security policies and procedures.
• Experienced in tasks like managing User Accounts and Groups, managing Disks and File Systems
• Experienced in creation and maintenance of user accounts and active directory.
• Perform tasks related to technical support & management.
• Worked on Analyze system performance, client to server traffic and server to server traffic.
• Experience with various ticketing tools and currently using Service Now for everyday support.

Environment: Redhat Linux 6/7, Solaris 9/10, JumpStart, Kick start, Auto mount, HP open view, HPSA, Veritas, Symantec NetBackup, VOM, Shell/Perl programming, NFS, DNS, FTP, Service Now, BMC Remedy.

Confidential, Somerset, NJ

Linux Systems Engineer

Responsibilities:

• Installing and configuration of operating systems like Red hat Enterprise Linux 5/6.
• Experience in Build servers, configured, installed tools, installed patches and transitioned servers to production support.
• Experience in support instances running Fedora, Debian, Ubuntu, Centos and RedHat Linux.
• Experience in supporting RedHat Cluster and Oracle RAC environment running Oracle databases in High Availability.
• Experienced in automation of Linux using kick start on Physical and VMWare ESX VM's.
• Administered Red Hat Linux (RHEL) using KVM.
• Experience creating and managing HP ProLiant DL G4, G5, G6, G7, and C7000 Enclosures and Blade servers.
• Experience in Manage file systems using Software RAID and recover an array, manage file systems using Logical Volume Management, resize file systems and protect them with LVM Snapshots.
• Configure SSL between TAM components, TDS and WebSphere. Created keystores/truststores, generated certificate requests, and imported root signer certificate as well as CA signed certificates.
• Provided complete lifecycle consulting forTivoli Access Manager for e business and Tivoli Identiy Manager, including business requirements analysis, risk assess ment, security architecture development, infrastructure design, product implementation, knowledge transfer and documentation.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using puppet.
• Design of Cloud architectures for customers looking to migrate or develop new PaaS, IaaS, or hybrid solutions utilizing Microsoft Azure or Amazon Web Services (AWS).
• Implementing new projects builds framework using Jenkins & maven, ANT as build framework tools & Nexus in Linux environment.
• Experience in Implementation of Continuous Integration through Jenkins/ Bamboo. Deployment using various CI Tools likes Chef/ Puppet.
• Implemented Chef Cookbooks for OS component configuration to keep AWS server's template minimal.
• Experienced in Creating user accounts, user administration, local and global groups on ESX and Red Hat Linux platform.
• Experience in automation using scripts in Perl and shell (bash and korn).
• Expertise in managing Virtual RedHat Linux servers running on VMWare ESX 4/5.
• Experience performing SAN provisioning to Linux and ESX servers from EMC SAN arrays VNX and Clarions.
• Experience in SAN migrations at Host level on RHEL, HPUX and Solaris servers using Open Migrator, Open replicator and RHEL LVM and Veritas commands.
• Work on implementation of security controls and monitors compliance with security policies and procedures.
• Experience supporting single sign on authentication using LDAP on Linux environment.
• Work for creation and maintenance of user accounts and active directory.
• Configured Kick start servers to install Red Hat Linux and VMWare ESX on multiple machines.
• Experienced in Installed patches to latest patch level, applied patch cluster and installed software packages as needed.
• Experienced in Creating user accounts, user administration, local and global groups on ESX and Red Hat Linux platform.
• Experience in Disk mirroring and RAID implementation using VERITAS Volume Manager and Linux Volume Manager.
• Experience in working with configuration management tools like Puppet.
• Experienced in Installing VERITAS Volume Manager and Power path on Red hat Linux servers.
• Experience in Installing, configuring, and administering DNS, NFS, NIS, Mail servers, FTP servers RPM servers on Red Hat Linux platforms.
• Resolving regular tickets on Hawk, Syswatch and ping probe Monitoring tools using Sitescope.
• Controlling the System Logging services, and examining system Log Files of all system events.

Environment: RHEL Linux 5/6, SAN, NAS, VERITAS Volume Manager, VCS, VERITAS NetBackup, VMware ESX, LVM, NFS, LDAP, Puppet, Shell Scripting, TAM, TDS, PaaS, IaaS, Jenkins & maven, ANT, Chef/ Puppet, and ESX

Confidential, Charlotte, NC

Unix Administrator

Responsibilities:

• Installation of RedHat Enterprise Linux 4/5/6, Debian, Ubuntu, AIX, on hardware like HP and Dell & Solaris 9, 10 operating systems on SPARC platforms.
• Proficient in patching RHEL, AIX and Solaris servers to recommended security levels. Maintaining and upgrading operating systems like RHEL and AIX platforms.
• Performed volume management tasks like mirroring using SVM, VERITAS Volume Manager 4.x/5.x and LVM.
• Proficient experience in Server builds, post builds and installations with co-ordination with application and database teams.
• Provided day to day support to RHEL and AIX servers through various ticketing tools and monitoring tools like Service Now.
• Supported Oracle DB and Oracle RAC on RedHat Linux environments.
• Worked with VERITAS Foundation Suite 5 and performed tasks like creating disk groups, volumes, initializing disks, replacing failed disks etc.
• Experience in Installation, configurations and providing daily troubleshooting and support to IBM Tivoli storage manager
• Worked with EMC Power path, Hitachi HDLM in SAN related environments.
• Experienced in Installed and configured VERITAS, Net Backup and TSM on RedHat Enterprise Linux.
• Configured kick-start server and updating/applying patches to the servers using RedHat Satellite server.
• Deployed RedHat Satellite Server with custom repositories to provide a stable management solution for Linux environment.
• Configured Kick start servers to install RedHat Linux and VMWare ESX on multiple machines.
• Experienced in Manage file systems using Software RAID and recover an array, manage file systems using Logical Volume Management, resize file systems and protect them with LVM Snapshots.
• Experience in Disk mirroring and RAID implementation using VERITAS Volume Manager and Linux Volume Manager.
• Worked on Upgrading of VMware ESX 3.0.0 to ESX 3.5.
• Creating virtual machines using KVM hypervisor on Xen servers, installing RedHat using kick-start and Cobbler
• Assisted in resolving hardware issues and network connectivity issues related to TCP/IP.
• Experienced in Installed and configured DHCP, DNS, and NFS.
• Worked on Implemented SUDO, SSH and other security tools and implemented SOX (Sarbanes Oxley) security compliance.
• Troubleshooting on Sun Java System Web Server 6.0 and Apache 1.3.x web server on Solaris with experience in installing SSL certificates.
• Experienced in creation and maintenance of user accounts and active directory.
• Worked on Configured NFS and Open LDAP services in RedHat Linux and Solaris systems.
• Experience in Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk and RAID, multipath, file systems, network using the tools NAGIOS and BMC Tools.
• Work on implementation of security controls and monitors compliance with security policies and procedures.
• Experienced in Utilization and Implementation of VMware at the full implementation range using the complex features of VMware connectivity with SAN, HA and DRS configuration.
• Modifying/ Writing scripts in Bash and Korn shell for optimizing day to day tasks.

Environment: RHEL Linux 4/5/6, Debian, Ubuntu, AIX, SVM, Oracle DB&RAC, RAID, TSM, LVM, KVM, DHCP, DNS, NFS, SUDO, SSH, Web Server 6.0, Apache 1.3.x, NAGIOS, Bash, Korn

Confidential, Carrollton, TX

UNIX Administrator

Responsibilities:

• Regular Admin Tasks include building Linux servers for Production, Development and Test Environments and supported the ones under production.
• Involved in building Linux VM's using VM templates and kick start servers to build multiple servers over the network.
• Experience in managing EMC arrays and provisioned SAN disks to Linux and Solaris arrays.
• Performed OS upgrades for critical servers under production.
• Performed various file system changes to accommodate upgrades in applications, services and databases.
• Experience configuring Open LDAP and setting up clients for Open LDAP.
• Worked on decommission of the servers which reached end of life and performed SAN migrations using LVM and EMC tools.
• Performed and Maintained OS/APP backups for Linux and Solaris servers.
• Experience in Installation, configuration, patching, support to Application and web server.
• Managed critical bundles and patches on the production servers after successfully navigating through the testing phase in the test environments.
• Experience in Implemented scripting new by writing shell scripts and Perl scripts and scheduled those by using Cron.
• Worked on the virtual environments through the virtual ware clients like VMIC/ VSphere.
• Responsible for evaluating Storage Foundation Cluster File System for possible production use.
• Monitoring the hosts and networks using NAGIOS, IOstat, VMstat, MPstat and Other Tools
• Manage software on system using YUM, and RPM.
• Worked on the Java based applications and supported JVM's and worked on issues related to Java and patching regularly with WebLogic and JBoss applications.

Confidential, Waltham,MA

UNIX Administrator

Responsibilities:

• Assure system reliability and performance through monitoring and infrastructure management
• Provide system administration and maintenance support on Windows, Linux, and UNIX-based environments in client/server, network and data storage capacities
• Respond to online service requests from users
• Ensure server and application compliance with security and performance requirements (NISPOM, RMF)
• Convert and upgrade to new systems
• Develop and maintain technical and operational documentation to continually improve our computing environments
• Engage in knowledge sharing to further develop the overall capability and performance of your technical team