Long Nguyen
Annandale, Virginia 22003
C: 703-***-**** H: 703-***-****
E: ********@*******.***
** ***** *** ************ ******** seeking position in computer operations, production support,
p rogramming, capacity planning or performance analysis.
Clearance
U.S. Citizen.
Dept. of Homeland Security/Customs and Border Protection (DHS/CBP) – Full background
i nvestigation in 2012.
Core Competencies
Ut ilized z/OS IB M Mainframe, JCL, TSO, ISPF, SDSF, FTP, TMON/CICS, TMON/MVS,
M XG, SAS (Base/Graph), SAS Marco, IBM Utili ties.
Installed and supported SAS upgrade software running under z/OS and Windows Servers.
Ut ilized TMON/CICS to monitor real-t ime production and test CICS regions.
Monitored and collected CICS, MQ, Database (DATACOM, DB2, and Oracle), z/OS, UN IX-
based distr ibuted subsystem performance data or component t races for t roubleshooting.
Provided support to test the applications when a new operating system (z/OS) version is
released in isolated test environment to ensure there are no conflicts with other OS,
p roduction applications, system utilit ies, or hardware devices.
Supported disaster recovery activities, when required, and operations at the hot site.
In terfaced with on-site monitors to determine changes in schedules, new requirements, and
p roblems with output.
Proficiency in Microsoft Office 2010 Tools including MS Office, Excel, PowerPoint and Visio.
Prepared SAS programming specifications from inputs, outputs and test, validate and
document programs. Develop and maintain M ICS Chargeback application SAS programs.
S tudy problems, identifies solutions, test and verify the results.
Provided analytical and data develop and maintain management support including data
retrieval and research of data related topics identified by senior analysts. Establish, organize
and maintain records for data retrieval.
Prepared and maintain documentation for all new SAS programs. Provide backup of critical
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data and performance data t ransmission (FTP) as request by users.
Ut ilized MS Excel and PowerPoint to produce tables, charts, graphs and reports to
summarize the data.
Commitment to a productive workplace environment. Excellent communication skills and
eager to learn new facilities. Ability to prioritize workloads while meeting goals and
deadlines.
Abili ty to submit reports in a t imely manner in an environment of frequently changing
requirements and unexpected events.
Provided awareness and t raining to all personnel as requested.
P rofessional Work Experience
Randstad Technologies (Contract Position)
July 2012 to November 2013
Mainframe SAS/Application Support - Marriott Corporate Headquarters, Bethesda, MD
Ut ilized z/OS IB M Mainframe, JCL, TSO, ISPF, SDSF, FTP, IBM Ut ili ties and Base SAS
(Version 9.1.3).
Analyzed/designed and coordinated with customers.
Enhanced SAS codes and support Batch Operations under z/OS I B M
m ainframe environment.
Ma intained Billing SAS programs in the M I CS system and generated ad-hoc
r eports per client requests.
P rovided technical support inte rface to other business areas to provide
d ata for special requi rements.
P rovided programming services in developing relatively applications using
standard or new approaches for existing application systems.
Coded, debugged, analyzed and implemented new SAS programs for new
services.
Generated reports using Base SAS and SAS/Procedures.
Ability to independently r un an enti re I R M I CS Cha rgeback system or
portion and to review its output for validity and accuracy.
Developed, maintained and supported production batch jobs and perform
a nalysis on jobs failu res.
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P rovided On-Call support for M I CS Chargeback Daily, Weekly and Month-
end production schedules.
ECS, Inc. (Contract Position)
February 2007 to April 2012
Senior Information Engineer - DHS/CBP, Springfield, VA
Capacity Planning and Performance Measurement Team (CPPM)
Supported DHS/CBP Enterprise platform, which operates under IBM z/OS and zLinux
i mages. The environment consists of 11 z/OS Logical Parti tions (LPARs) utilizing 33 General
Purpose (GP) processors (27,630 M IPS).
Maintained and updated SAS performance databases (PDB). Supported daily,
weekly, monthly and quarterly processing jobs to collect system usage data from the
CBP Enterprise Server Complex under z/OS IB M mainframe, Windows and
U nix/Linux servers.
Ut ilized z/OS, JCL, TSO, ISPF, SDSF, FTP, TMON/CICS, TMON/MVS, MXG, SAS
M arco, and IBM Ut il it ies.
Ut ilized TMON/CICS to monitor real-t ime production and test CICS regions.
Monitored and collected CICS, MQ, Database (DATACOM, DB2, and Oracle), z/OS,
U N IX-based distributed subsystem performance data or component t races for
t roubleshooting.
Provided support to test the applications when a new operating system (z/OS)
version is released in isolated test environment to ensure there are no conflicts with
other OS, production applications, system utilit ies, or hardware devices.
Supported disaster recovery activities, when required, and operations at the hot site.
Installed, tested and maintained new releases of SAS Information Delivery System
(SAS) and Mer rill’s Guide MXG Mainframe System Performance software (MXG).
Used PC/SAS based software to extract usage data from the Performance Databases
(PDB) for various workload categories such as on-line t ransaction, batch processing,
database functions for specific processing periods.
Provided management with current and recent system performance to identify and
i nvestigate problems as reported.
Maintained and supported CBP Monthly Chargeback system which utilizes
SAS/ITRM under UN IX server.
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Used Crystal Reports 2008/2011 and System Center Operations Manager 2007
(SCOM) to produce daily, weekly performance CPU/Memory graphs, reports for
U nix/Linux and Windows from the CBP Enterprise Server.
Ut ilized Oracle Enterprise Manager (OEM) versions 11g and 12c to monitor CBP
O racle Exadata database machines.
Supported on a project to migrate the SAS processing from an IBM mainframe
environment from many millions of records to a Windows-based platform.
Apogen Technologies, Inc.
July 1998 to February 2007
Programmer II, DHS/CBP – Springfield, VA
Capacity Planning and Performance Measurement Team (CPPM)
Served as primary and secondary contact for SAS user support.
Provided project-oriented expert SAS software support to field users.
Provided support to test the applications when a new operating system (OS) version is
released in isolated test environment to ensure there are no conflicts with other OS,
p roduction applications, system utilit ies, or hardware devices.
Generated SAS reports/graphs from Database Accounting and DASD/Tape
subsystems then post to CPPM intranet website for on-line reference.
Maintained a large library of performance and capacity SAS source codes.
Aries Systems International, Inc., Arlington, VA
February 1993 to July 1998
Production Analyst
Developed and tested Job Control Language (JCL) job streams for batch processing,
t racked production libraries and software changes. Used SAS language to
manipulate large complex data files.
Created monthly reports, charts, and forecast future resources required in both the
classified and unclassified processing environments for the Navy Mi li tary Personnel
Command.
National Corporation for Housing Partnerships, Inc., Reston, VA
April 1987 to February 1993
Systems Administrator
Provided support to all mainframe and mini (AS400) application systems being used
by the NCHP user community.
Supported production systems by solving technical problems, which included JCL
e rrors, disk management, program modifications and data management.
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Education and Training
NOR T H E RN VI RG I N IA COM M U N I TY COLLEGE 1986 T O 1988. MAJOR I N COM P U TER
I N FOR MAT ION SYSTE MS
C OM P U TER L EARN I NG C EN TER, 1984, C ER T I F ICAT I ONS : D I P LO MA C OM P U TER O PERAT IO NS
IN
C MG U SERS G ROUP, 2011
SAS G LOBAL F ORU M, 2009
M E TRON /AT H E NE, 2006
I B M Z/OS F ACI L I T I ES, 2006
I B M SHARE U SER G ROUP, 2005
PROFESSIONAL AND PERSONAL REFERENCES AVAILABLE UPON REQUEST
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