David Harracksingh Email & Phone Number

Supported Cloud VMs on IBM Cloud and Azure Running RHEL 7.x. Coordinated troubleshooting hosted environment with cloud infrastructure support.Resolved NIC configuration hardware restraints for bandwidth constraints found investing io and network restraints on servers running gfs2. Configure NSF well as SAN EMC Zones. Generate report for SOX compliance..

Migrated Linux Suse 12 to Suse 13 environment and upgraded system OS and Kernel to new hardware HP platform Configure Environments and package management system using autoyast. Tested APP and CID DB and application connection as well as configure services, account authentication and environment paths.

Hanover, MD, US

Upgrading binaries and kernels to meet security and compliance standard on multi tear environments This includes RHEL 6.x and 7.x on HP Proliants G5 to G11 7, AIX 7.X on PPC HPUX 11.x on SuperdomesSolaris 10, 11 Was heavily involved with Sprint Communications CIS - Implementation Team. Heavily involved in Upgrade and patching to both their Linux and Unix.

Jacksonville, Florida, US

Build out RedHat 6.x and 7.x on physical and RHEL Openstack 5.x along with VMware 5.x for virtual server environments. Standard Practice was Agile; plus and included Requirement Gathering, Peer Reviewing for Infrastructure Implementations, Custom Configuration, VM Cloning, Security and Vulnerability and finally User Acceptance Test. Once complete. Servers.

Hanover, MD, US

Created scripts to automate SAN migration storage from EMC, MacData and NAS Filer migrations for over 300 servers for storage consolidation. This included scripts to manipulate multipath configurations files, to update and validate new WWN as well as expand filesystem as needed. Configure a SAN mount point to meet Project Migration deadlines from anywhere.

Round Rock, Texas, US

Advise and build technical solutions for provisioning over 100 servers both physical and virtual.Created VM template system to clone standard builds instead of using kickstart or building from ISO. Also created post scripts for IP NIC configurations and hostnames..Implementation of new hardware, operating systems and other required software on clients.

Ft. Lauderdale, FL, US

Migrated Linux Suse 11 SLES environment and upgraded system OS and Kernel to new hardware HP platform from SAN bootable to local disk.Configure Environments and package management.Tested APP and CID DB and application connection as well as configure services, account authentication and environment paths.Configure AD authentication.

Hanover, MD, US

Build out over 300 Redhat 5.7 servers on using XCat with Kickstart and HPSA, HPOO and Blade Logic Provisioner on IBM HS22 and HSX Blades on Blade Center environment. Created administrative scripts for NIC bonding and user account setup. Configure LUNs from EMC Symmetric to Emulex HBA using multipath. Designed and documented Oracle RAC ASM implementation..

Amsterdam, North Holland, NL

Provision and build out HP Proliant DL servers using HPSA and HPOO. Assisted in creating and standardizing base builds for Oracle and Weblogic. Created post install script to configure ILO using hponcfg to set user name and password Extend and create LVMs using NetApp LUNS on existing Linux servers as well as configuring multipath for failover environment..

Fort Lauderdale, FL, US

Advise current RedHat Linux Administrator as well as resolve ongoing issues for the dot com environment. This included resolving issues with Web Servers. Design solutions using a combination of bash shell scripting concepts to monitor and resolve third party software issues. Configure Apache server, as well as native services such as NFS, NTP, Samba and.

Fort Lauderdale, FL, US

Engineer post sales Manage Hosted project from ground up. This includes projects with HP BL460c Series, and VMware ESX. Tasks were to install and configure OS (Redhat Enterprise 5, CentOS). Configuring hardware/software for remote console lights out approach. Create Oracle file systems layouts and configure LUNS on Netapp for disk as well as tune kernel.

New York City, NY, US

Administrate 3000 Linux servers in a net booted environment and support Linux Farms and 400 way clusters. Create Linux Custer servers on Dell 1855 for Data Mining/Data Warehousing environments. This includes partitioning hard drives, creating swap space, formatting disk, creating ext2 file systems, install system packages, configure network interface card.

Fort Lauderdale, FL, US

Integrate IT Revenue Management Software Solution on RHEL 3.4 Servers. Coordinate Oracle Database installation and configuration. Install and configure Tuxedo applications on a HPUX Environment. Configure monitoring solutions using Unix Shell Scripting and Control M. Maintain High Availability solutions using Veritas Cluster Server.

New York City, NY, US

5 Lexis-Nexis Boca Raton, Fl Operations SpecialistStreamline system environment to perform daily routine functions. This includes configuring ftp services, ssh shared keys, NFS services, sendmail to handle and monitor data mining stored on an EMC Symmetrix SAN VxFS mounted filesystem on Sun Servers running Solaris 8. Created client/server Perl scripts to.

Bonn, DE

Maintain and support a Unix and Windows Data Center environment. Support HP-UX 10.20 on HP9000 D class servers as well as HP-UX 11.0 on K and N class servers. Manage system’s disk I/O performance, memory, CPU usage and intercommunication processes. Troubleshoot devices such as CD-ROMs, and tape devices. Informix Dynamic Server on an HP-UX 10.20 and 11.0.

Mumbai, Maharashtra, IN

Responsible for file system backup script and recovery. Install and configuring software such as BMC Patrol on a HP-UX platform along with installing HP-UX 10.20 on HP9000 D Class servers. Analyze system log information to resolve video, audio and data issues. Documented SOPs for related system problems. Develop Perl and Unix shell scripts to monitor Unix.

CA

Duties include maintaining hardware and software on a Solaris 2.6 system. Perform database administration tasks including monitoring Oracle database processes and database activity, performance, and table space. Develop and maintain C, Perl and Unix shell scripts that perform various database or system tasks (database loads, maintenance tasks and updates)..