Management Software

Erik Dorfman

**** ******** ****** +1-301-***-****

Bethesda, MD 20814 USA abpauo@r.postjobfree.com

Summary

Independent consultant with over 20 years of experience as a software developer/architect.

Developed systems for NASA (for 8 years) and the National Institutes of Health (for 12 years).

Computer Science degrees from Cornell University (BA) and University of Pennsylvania (MSE).

Authored/supported various Open Source libraries; documentation published by O'Reilly.

Knowledge is both broad and deep: application development, configuration management, system

administration, technical writing/illustration, teaching. Has project leadership experience.

Specialties

Linux/UNIX UNIX developer since 1988; Linux developer/administrator since 1994.

Perl Since 1994. Frequent contributor to the official Perl code repository (CPAN) as ERYQ .

Documentation published in O'Reilly's Perl Resource Kit. Authored/taught a Perl course.

Java Since 1998. Sun Certified Java Developer. Experience with J2EE (EJB2/EJB3), JMS, JDBC, JNI,

RMI, SAX/DOM, JSP, Spring, Struts, and Swing. Authored/taught a Java course.

C / C++ Since 1989. Experience writing portable code and bindings for higher-level languages.

Developed tools to analyze executables/libraries to detect certain types of bugs.

Authored/taught a C++ course.

Client/Server Experience with various interprocess communication protocols and APIs, from

stream/packet-level (TCP, UDP) to application-level (HTTP, RMI, etc.).

Web Detailed knowledge of web-related protocols (HTTP, FTP, SMTP), data formats (XML,

XHTML, Unicode, MIME), client-side tools (CSS, Javascript, AJAX), servers (Apache, Tomcat,

OC4J), and server-side tools (JSP, Taglibs, Velocity).

CM Developed configuration management systems for large, multi-language code bases.

Integrated various versioning systems, build systems, compilers, and package managers.

Training Authored/taught courses in Object-Oriented Programming, Perl5, Java, and C++.

Invention Created a tool capable of analyzing XML and producing optimized SAX parsing code across

multiple languages (e.g., Java, Perl). Designed novel graphical representation of query hits for

text-searching systems.

Skills

Languages Java, Perl, C/C++; Bourne/C shell scripts, Lisp/Scheme, Prolog, Smalltalk;

Lex/Yacc, JavaCC; others as needed (Javascript, Python, PHP, XSLT, etc.).

Systems Linux (RedHat, Fedora) and UNIX (Solaris, IRIX, HP/UX) system administration; basic

use/administration of Windows XP/2000 and VAX/VMS.

Databases Oracle, MySQL, Sybase, GemStone OODBMS, GDBM; Java JDBC, Perl DBI.

Protocols Low-level IPC (TCP/IP, UDP/IP, pipes) to application-level IPC (RPC, RMI, SOAP).

Detailed knowledge of HTTP, FTP, SMTP, DICT.

Formats XML (extensive use of SAX/DOM APIs), XHTML, CSS, MIME, Unicode.

CASE/CM tools ClearCase/ClearQuest, CVS, RCS. Eclipse, JBuilder.

Make, Perl ExtUtils, Ant, some Ivy. RPM, Yum, Sun PKG.

Web services Apache, Oracle Application Server / OC4J, Tomcat.

Content mgmt MediaWiki, pvWiki. Various search engines: Collexis, Verity, ht://Dig.

Other Technical writing/illustration. Information design (courses, presentation, websites, user

interfaces). Data visualization. Medical informatics.

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Education

Master of Science and Engineering in Computer and Information Science, with a concentration in AI.

University of Pennsylvania, Philadelphia, PA. 1988 - 1989.

Bachelor of Arts in Computer Science.

Cornell University, Ithaca, NY. 1984 - 1988.

Honors/Awards

Professional NIH Clinical Trials project won Harvard's Innovations in American Government award,

including $100,000 grant (2004).

Became Hughes STX's first full-time-telecommuting employee (1994).

Received Hughes STX Group Achievement Awards (1993, 1994, 1995), Certificate of

Commendation (1992) and Peer Awards (1990, 1993).

College Graduated from Cornell with Distinction in All Subjects; Dean s List: 4 semesters.

High School Received Regents Scholarship. Membership in National Honor Society.

Employment History

President, Zeegee Software Inc. (Bethesda, MD). Aug 1997 present

Manages small consulting business specializing in software design and development ; acquires and works

on various contracts (list follows).

National Institutes of Health / Office of the Director (Bethesda, MD). Jan 2009 present

Contracted by SAIC (Rockville, MD office).

Development Lead of the Grants Management Team. Leads an on-site team of 7 to 9 developers,

who together have produced/maintained J2EE and Java6/Spring/Tomcat applications used for the

internal management of the NIH's entire grant portfolio.

Assists in the architecture of new/evolving applications; conducts design and code reviews; oversees

entire software development lifecycle. Provides production support for time-critical grants

management systems. Serves on the various Working Groups which are designing the next

generation of NIH's electronic records management systems and processes.

National Institutes of Health / Office of the Director (Bethesda, MD). Apr 2007 Jan 2009

Contracted by Altum, Inc. (Reston, VA).

Member of a large software development team which developed RCDC: a J2EE system (EJB3, OC4J,

Oracle) for the automated categorization and financial reporting of NIH grants and contracts. System

has been used for reporting to Congress and has high visibility throughout HHS.

Implemented key business rule logic, core utilities, and Web-accessible system administration tools.

Frequently called upon to perform configuration management tasks.

Participated in requirements analysis and design reviews, and generated detailed design documents

(UML): RCDC employs formal Software Development Lifecycle practices and utilizes industry-

standard CASE tools (ClearCase, ClearQuest).

Contracted by ASRC Federal (Greenbelt, MD). Oct 2006 Dec 2006

Designed architecture for a cost-allocation reporting system in a secure environment, proposed to the

NGA. Authored corresponding sections of the proposal.

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National Institutes of Health / National Library of Medicine (Bethesda, MD). Jul 1999 - Jul 2006

Contracted by Aquilent Corporation (Laurel, MD).

Helped develop the web-accessible National Clinical Trials Registry, including the main website,

supporting websites/services, operator tools, and many of the core software packages. This was a

large Java-based project (Velocity/Struts servlets, Swing GUIs, RMI- and SOAP-based services,

SAX/DOM/JSTL, JDBC/MySQL, advanced concurrency techniques for high throughput, etc).

Worked with various Medical Informatics ontologies, databases, and services.

Designed/developed/administered cvu, a configuration management and build system for a multi-

project, multi-language code base (CVS, Perl). Developed/administered CM website for developers.

Designed/developed polka software deployment and site management system. Features included

ability to deploy products, configuration, or databases to operational machines with automatic

stop/restart of affected servers; ability to inspect/control services across multiple hosts via script or

web interface.

Developed htmldiff tool to perform site-wide crawling and change-reporting of websites, for impact

analysis. Features included graphical display of changes broken down by severity, and drill down to

side-by-side annotated comparisons of differing pages.

Created xax, a CASE tool able to analyze an XML snippet and produce fast SAX-based source code

for converting similar XML to objects in a variety of languages (e.g., Java, Perl).

Contracted by INTELSAT (Washington, DC). Oct 1997 Jul 1999

Developed/administered icms: a configuration management system for Satellite Systems (Perl5, CVS).

Created ICMS website complete with FAQ and User/Administrator/Developer Manuals. Worked

with developers, I&T, and operations staff to tailor ICMS to meet new requirements. Some features:

version control for binary large objects; sophisticated branching and merging; automatic Makefile

generation; automatic embedding of build information in products for traceability; automatic sanity

checking of build products to detect problems; automatic nightly builds which notified appropriate

developers by email if checked-in code failed to compile/link.

Supported various projects as needed. Taught classes in object-oriented programming, Perl5, and Java.

Hughes STX Corporation (Lanham, MD). Dec 1989 - Oct 1997

Performed work for NASA/Goddard Space Flight Center (Greenbelt, MD).

As task leader and technical leader: Supervised/coordinated/evaluated the activities of other

team members. Composed monthly and triannual reports. Assisted in proposal writing.

For NASA's EOSDIS V0 IMS Web interface (1995): Was chosen to lead an emergency effort

to deliver a web interface to NASA's EOSDIS system, after the original contractor failed to show

sufficient progress. We completed the effort ahead of the critical deadline; as a result, our company

was awarded the contract to continue development. The system (Perl5, C) utilized many advanced

web application features, some of which would later become industry-wide best-practices.

As HSTX's first full-time-telecommuter (1994): Acquired system administration skills needed

to maintain own Linux platform. Traveled frequently to work site for work/meetings.

For NASA's Code 712 Web effort (1994): Designed and implemented WebLib, a Perl4 web

application which provided a single searchable front-end to multiple distributed bibliographic

databases.

For NASA's NSSDC Storage Systems project (1993): Took technical leadership of emergency

situation: imminent failure of existing NSSDC archive system. Designed completely new system which

would allow minimal human intervention for daily operation/fault recovery, and plug-and-play support

for new archive devices. Worked with team to implement and thoroughly document new system (C,

Sybase). System received praise from operators; data throughput went up 300%.

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For NASA's International Solar/Terrestrial Physics Project (1992): Assisted in design,

implementation, documentation, and support of full data ingestion, archival, and distribution system,

complete with data catalog (Sybase) and end-user interface (JAM).

For NASA's Intelligent Data Management project (1989): Conducted research in the

application of AI techniques toward automatically cataloging vast amounts of satellite data.

Designed/implemented object-oriented database schema for catalog. Developed software to support

investigation of neural network techniques in image analysis and to perform automated cataloging of

incoming sensor data. Designed and helped implement user interface to catalog. Designed/produced

presentation materials (slides, posters, HyperCard demo). Authored/co-authored technical papers,

and presented research at remote sensing conferences and workshops, and to NASA management.

Additional activities: Developed pilot software for HSTX Software Reuse Repository, and

promoted/distributed reusable libraries to other groups at NASA. Created/promoted Pseudoclass

coding standard for portability/reuse. Contributing author for Code and Unit Testing section of HSTX

Software Engineering Guidebook. Developed and presented courses/lectures in Perl5, Object-

Oriented Programming, C++, and Software Reuse.

Tradenet Corporation (New York, NY). Sep 1989 - Dec 1989

Implemented parts of a business-information management system for the Macintosh (using Think C).

Cornell University Agronomy Department (Ithaca, NY). Jan 1987 May 1988

Worked with team to revise and extend a large climate-analysis software package for the IBM PC.

Independent Software Developer Apr 1984 Sep 1986

Contracted by RG Computer Workshops, Inc. (New City, NY).

Worked with an educational consultant to develop personal computer software geared to

teaching/reviewing basic math and language skills. Two products released: paid by percentage of sales.

Publications

Usability Issues in Developing a Web-based Consumer Health Site, Proceedings of AMIA

Symposium 2000; pp. 556-560, 2000 (co-author).

Portions of The Perl Resource Kit, O'Reilly Associates, 1998 (authored the published documentation of

various components: MIME::Parser, HTML::Stream, etc.).

"A Spatial Data Handling System for Retrieval of Images by Unrestricted Regions of User

Interest," Proceedings of the 1992 NASA/GSFC Conference of Space Applications of Artificial Intelligence, pp.

213-230, 1992 (researcher / principal author).

"Using Semantic Data Modeling Techniques to Organize an Object-Oriented Database for

Extending the Mass Storage Model," Proceedings of the 42nd Congress of the International Astronautical

Federation, 1991 (co-author).

"Architecture of a Large Object-Oriented Database for Remotely-Sensed Data," Technical Papers

of the 1991 ACSM/ASPRS Conference, Bethesda, MD Volume 3, pp. 129-143, 1991 (author).

"Intelligent Information Fusion for Spatial Data Management," Proceedings of the 4th International

Symposium on Spatial Data Handling, Z rich, Switzerland, Volume 2, pp. 567-578, 1990 (co-author).

References

Available upon request.

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