Halfast - IT Application Analyst - Houston, TX, USA

Kent Halfast

Houston, TX, USA


IT Application Analyst

Work History

Senior Application Analyst


January 2009 - January 2009

Senior Geosciences System Analyst

Total Exploration & Production, USA

August 2007 - March 2011

Primary support contact for geosciences environment including UNIX servers, Linux desktop workstations, application software, and data management tools. Build and maintain virtual server environment using Solaris 10 operating system. Install application software, maintain licensing, and provide technical support for Schlumberger, LandMark, OpenSpirit, Paradigm Geophysical and other geoscience software vendor products. Build, install and test UNIX environment for offsite disaster recovery facility. Maintain network name services (NIS and DNS). Maintain Legato NetWorker tape backup and recovery system. Support NAS (NetApp) systems, including ONTAP software upgrades, provisioning of disk storage, volumes and user quotas. Provide support for CUPS printing environment and Zeh plotting system. Provide Oracle database administration tasks including install, upgrade, and patch of Oracle databases. Consult with user community on work flow procedures and provide system capacity planning.

Geosciences Application Support Engineer

SAIC (Science Applications International Corp.)

October 2006 - July 2007

Support for Reservoir Engineering applications within in a UNIX and Linux computing environment which consisted of SGI, HP, and Sun workstations and servers. Deployment of desktop HP workstations running Red Hat Linux operating system.

Senior Unix Administrator


April 2001 - October 2006

Planning, installation, and maintenance of a large-scale SAP, Oracle, EMC, Solaris and AIX environment providing Retail and Wholesale energy services to over 1.8 million customers. Build and maintain HA (High Availability) environments using Veritas Cluster software. Install and maintain Linux systems in a SAP portal environment. Maintain a Veritas Netbackup infrastructure. Provide support for third-party applications. Hands-on experience with Sun Fire 15K and Sun Fire 6800 servers.

Senior I.T. Specialist

Marathon Oil Company

April 1998 - April 2001

Provide technical support for a Unix-based geoscience user community in the LandMark geoscience application suite. Support provided for other geoscience applications including VoxelGeo, GeoDepth, GeoLog and vendor liaison services. Maintain heterogenous network of SGI and Sun servers and desktop workstations. Install operating systems and patches. Provide Zeh application plotting support. Assist in planning and support of the Unix computing environment of an International joint venture.

Senior Analyst, Geoscience Applications Specialist, & Unix System Administrator


October 1989 - March 1998

Manage and support multi-server SUN-based Unix LAN/WAN in a client-server environment. Familiar with NIS, TCP/IP, automounter, DiskSuite and their application in the network environment. Provide OS, network,and user technical support in a heterogenous networked environment featuring SunOS, Solaris 2.x, IRIX (SGI), DOS, Windows, and Novell operating systems. Author and conduct user training sessions. Manage divisional computing facilities. Managed integration and acquisition of 2 separate data centers into a single data center. Managed PBX system. Initiated divisional Disaster Recovery Plan that was modeled by other divisions.

Microcomputer Specialist, Programmer, Help Desk User Diagnostics


January 1987 - October 1989

Assist users with PC hardware and software problems. Installation and support of LAN's. Assisted users with configuration and purchase of PC systems. Familiar with PC, IBM PS/2, and Macintosh products. Maintenance and modification of M204 database and billing system, through use of batch and interactive processing on the IBM 3081K running under VM/XA SF MVS/XA SP.

Regional Petroleum Geologist


August 1979 - May 1986

Generation of oil & gas prospects. Evaluation of outside generated prospects. Production and reservoir evaluation of new and existing leaseholds. Provide well-site geological supervision. Areas of concentration include Mid-Continent, Anadarko Basin, Denver-Julesburg Basin, and West Texas. I worked as an intern while attending college, assisting the staff geologists with their daily tasks and performing well-site geological duties.


Senior Application Analyst

I am supporting subsurface applications such as the LandMark OpenWorks suite, Petrel, and Geolog to name just a few :)

Qualifications & Certifications

Oklahoma State University

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