System Software

Yuan Xu

**** ******* **** ****, *********, TX *7539

281-***-****(H), 832-***-****(O), 832-***-****(cell)

Email: ********@*****.***

Citizenship US citizen

OBJECTIVE

Seeking a challenge position in Linux, UNIX/PC system domain that requires

solid system administration, programming experience, sciences and mathematics

BACKGROUND

Advanced Linux System Administration, Configuration and Management skills

Solid scripting experience

Windows XP and Server 2003 Administration

Strong troubleshooting and problem solving skills

Strong communication and interpersonal skills with a drive and dedication to get the job done in a timely manner under

tight schedules

Self starter with an independent mind who works well in a team environment

Exposed to a wide variety of software and hardware platforms

Very strong math and scientific computational research experience

SKILLS

Hardware: LINUX cluster and servers, PC-LINUX, SGI, RAID, NAS, PC, MAC, NT, printers, hubs, switches, FC HBA,

FC DISK ARRAY STORAGE, NetApp filers, LTO3 Autoloader

Software: Sendmail, Apache, DNS, NFS, NQS(PBS), SAMBA, VNC, Amanda network backup, AppleTalk, telnet,

FTP/SSH servers/client, DHCP server/client, IPtables, MYSQL/PHP, FrontPage, MS Office suite (Word,

Outlook, Excel, PP), WordPerfect, Netscape web server, SQL/PostgreSQL, Evolution Mails, Adobe

Photoshop/Acrobat, Video/Graphic Editing

Operating System: Linux (RH ES3/4, Fedora Core2-9, SUSE 10.1, CentOS5.1), IRIX 6.5, CRAY UNICO, Solaris,

AIX, OS/2, Windows NT4.0/2000/XP, Window 95/98, Mac9.x, VAX/VMS, IBM/VM/CMS., DOS/6.2

Language: Shell scripting (very good), Perl (very good), HTML (very good), CGI (good), tcl/tk (okay), java-script

(okay), FORTRAN (very good) and C/C++ (good) programming

EXPERIENCE

Senior Marine IT Support Specialist

CGGVeritas Feb. 2007 – Current

Technical Duty

Provide daily remote system administration supports for Linux, PCs, Linux servers and workstations for oil seismic

vessels in Gulf of Mexico, South America, Northern Sea and Asia Pacific Ocean.

Security monitoring and updates for Linux servers and Windows running Fedora Cores, SUSE Linux, RedHat and

CentOS..

Install/Configure/Upgrade/Maintain system hardware and software

Have implemented a reliable industrial strength and widely recognized automated remote network system backup

solutions for all seismic vessels on oceans using open source AMANDA without costing company any investments in

software purchasing and licensing.

Purchasing and configuring FC RAID Disk Array Storages as NAS for vessel Linux and Window computer backups.

Perl/shell scripting for automating offshore network backups.

Shell scripting for automated offshore and onshore SQL data transferring to third countries.

Developing virtualization and HA (High Availability) solutions for server (UNIX and Windows) consolidations on

vessels via NetApp and VMware ESX.

Shell scripting for automated all vessels’ PC virus updates via a centralized virus update server.

Computational Core Manager, Senior Scientist

Sealy Center for Structural Biology,

Mar. 1996 – Oct. 2006

University of Texas Medical Branch Galveston, Texas

Technical Duty

Provide daily system administration supports for Linux, PC workstations (Windows/Mac), Linux servers, SGI

workstations, Linux clusters as well as other computing related facilities.

Security monitoring and updates for linux servers and Windows

Install/Configure/Upgrade/Maintain system hardware and software, such as: kernel, NFS, TCP/IP, FTP, SSH, Tape

Drive, Email and Web servers etc; Install system utility/tools and apply patches

Create and maintain Backup/Restore and disaster recovery; Very strong skills on system, programming debugging and

system crash disaster recovery

Partition system drives or NAS drives to accommodate new needs for data storage/backups for Linux and PCs

Troubleshooting TCP/IP network problems and monitoring when needed

Guide, assist and manage Unix, NT/window95/98/2000/XP and Mac end users to solve any computer and application

software related problems.

Create, debug and document scripts (shell/perl) to automate system maintenance tasks for Linux clusters

Perform Linux cluster server tuning to improve efficiency, reliability, and performance.

Create and maintain SCSB center and group web sites; Write perl/CGI for web based applications

Train group members on IT related topics – Linux administration; Teaching duties – teach graduate students on

computation related topics (UNIX basics, perl programming and other scientific courses)

Support UTMB faculty, Postdocs and graduate students for their computational research needs

Played a main role for UTMB grid computing initiative joined by UTMB, HP, United Devices and Tripos that intended

for medical drug discoveries

Software developer

A principle Perl/Tk GUI developer to interface FORTRAN code with more than 4000 lines of code already written.

Perl/CGI developer for web based application such as on line applications of our scientific software written in

FORTRAN or C/C++

Write Linux shell scripts to automate system jobs and system monitoring

Some experience with JAVA GUI/FORTRAN (2003)

Wrote JAVA/FORTRAN wrapper

Apply all kinds of compilers to compile MPI/MPICH2/scientific applications on Linux cluster for parallel scientific

computing.

A principle FORTRAN software developer for scientific application with optimization procedures that last for over 6

years with more than 10K line of code written

Management Duty

Annual budget preparation for computational core

Responsible for making purchase of equipments: evaluate vendors/products, negotiate quotes and configure to fit center

faculty’s specific needs.

Make recommendations and specifications for faculty members related to hardware and software purchase.

Generate reports and documentation for computational core operations.

Write scientific papers for publications on peer-reviewed international journals

Research Associate/System Administrator

NMR Core Facility, Comprehensive Cancer Center,

University of Alabama at Birmingham Sept. 1992 - Feb. 1996

Perform daily system administration support for UNIX system such as upgrade/configure IRIX OS

Install application software manage user accounts as well as system and user backup/restore.

Troubleshoot system problems such as NFS, FTP, TCP/IP etc

Create shell scripts to handle job submissions on CRAY’s NQS system for computational process.

Develop large scale FORTRAN/C programs for globe system optimization of complex mathematical models with large

number of independent variables using CRAY supercomputers.

Write scientific papers for publications on peer-reviewed international journals

Research Associate

Dept. of Biomathematical Sciences

Mount Sinai Medical Center, New York, NY Jan. 1989 - Sept. 1992

Mathematical modeling of Nuclear Magnetic Resonance spectra of proteins using IBM Main Frame and digital VAX

FORTRAN code development for numerical analysis of mathematical models

End users support on computer related problems such as terminal setups, user file backups/restore using VAX tape drive

Write scientific papers for publications on peer-reviewed international journals

Research Associate

Depts. of Chemical Engineering and Food Sciences

Michigan State University, East Lansing, Michigan Sept. 1987 - Sept. 1988

Conduct research on free radicals measurements of meats using Electron Spin Spectra method

Write scientific papers for publications on peer-reviewed international journals

EDUCATION

1982 - 1988 Ph.D. Michigan State University

Major: Theoretical Chemistry (Non equilibrium thermodynamics)

1975 - 1978 BS Sichuan University, Chengdu, CHINA

Major: Physical Chemistry, Minor: Mathematics

TRAINING

Large scale parallel scientific programming (Pittsburgh Super computer Center, 1994)

UNIX (UNICO) Administration, IRIX Systems Administration, Web Authoring (SGI training, 1999).

Advanced UNIX System Administration for Computer Science graduate students (grade 4.0, University of Houston at

Clear Lake, 2000)

PUBLICATION

15 Scientific publications and book chapters on peer-reviewed journals (main contributor, available upon request)

REFERENCES

Available upon request

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