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Résumé of Eric Rosenquist

Home Address:

Kanata, Ontario, Canada

Present Status:

Employed full-time. Not interested in anything involving relocation.

Security Clearance:

Secret (file number 95253181-0000240019)


Technical Qualifications

Hardware

  

Software

  

Operating Systems

  

Languages

  

Protocols

Intel x86 PCs

 

Visual Studio .NET

 

Windows NT/2000/XP

 

C# / C++ / C

 

HTTP

Sun

 

Eclipse Platform

 

Windows 95/98/ME

 

Java & JavaScript

 

WebServices / SOAP

DEC Alpha

 

Microsoft SQL

 

Windows CE

 

PHP

 

S/MIME

Crestron

 

MySQL

 

Windows 3.X

 

XML / XSL

 

LDAP

 

 

PostgreSQL

 

Linux

 

HTML & CSS

 

PPP

 

 

CryptoAPI

 

Solaris

 

SQL

 

X.400 & X.500

 

 

OpenSSL

 

HP/UX

 

Tcl

 

PKIX

 

 

Entrust Toolkit

 

AIX

 

ASN.1

 

SMTP

 

 

Subversion & CVS

 

OSF/1

 

Perl

 

FTP

 

 

Apache / Tomcat

 

 

 

Unix sh/csh

 

TCP/IP

 

 

Expat XML Parser

 

 

 

Pascal

 

X/Y/Z Modem

 

 

YACC / Lex

 

 

 

BASIC

 

X.25

 

 

Samba

 

 

 

Assembler

 

 

 

 

 

 

 

 

 

 

 


Job Skills:

Languages:

Extensive knowledge of C#, C, C++, PHP, Java, JavaScript, Tcl, and Perl. Good knowledge of Pascal, FORTRAN, BASIC, and assembler (680x0, 6502, Z80). Excellent knowledge of HTML and companion technologies such as DHTML, CSS, XML, and XSL.

Web Applications

Extensive experience using ASP.NET and WebServices. Very good knowledge of Java / JSP and Apache Tomcat.

Databases:

Experience with Microsoft SQL Server, MySQL, and PostgreSQL. Good knowledge of the Microsoft .NET database framework as well as Java’s JDBC.

Security/PKI:

Extensive implementation experience with security APIs including OpenSSL, Entrust, and Microsoft's CryptoAPI. Detailed knowledge of security protocols such as S/MIME and MSP, as well as lower level protocols and algorithms such as PKCS-1, block ciphers, stream ciphers, padding techniques, etc.

Communications:

Extensive implementation experience with internet protocols such as HTTP, HTTPS, FTP, and SMTP. Implemented a C++ HTTPS class library over top of OpenSSL as part of Ponte's Win32 Control Point product. Implemented a C++ XML class library over top of the Expat XML parser.

Extensive implementation experience with the X.400 E-Mail and X.500 Directory protocols (DAP and LDAP) as well as OSI tools and general concepts. Design and implementation experience with several LDAP client applications, particularly on the Windows platform.

Extensive TCP/IP and X.25 experience from a software perspective. Designed and implemented software to interface at the packet level with a Datapac 3305 BPAD [Bisync 2780/3780]. Good knowledge of X.3 and X.29. Extensive experience with X.400 support and operations. Implementation experience with async error-correcting protocols such as X/Y/ZMODEM.

Various micro-computers:

Programming experience since 1990 with Microsoft Windows. Over 6 years programming experience with 680x0-based systems such as the Atari ST. Additional programming experience on Macintosh, DOS, and PC-Unix systems. Extensive programming knowledge of Microsoft Windows, Windows CE, MFC, and the Visual C++ and Microsoft.NET development environments. A Windows NT day-to-day user since its first beta release. Extensive programming knowledge of the GEM windowing system, including the development of two commercial GEM-based applications for the Atari ST.

Unix Systems:

Considerable experience with various Unix systems, including Linux, Solaris, Unixware (SVR4), HP-UX, SunOS, DEC MicroVAX (Ultrix), and Interactive Unix. Designed and implemented applications using the X11 Window system, OSF/Motif, the "PP" X.400 message handling system, the "ISODE" OSI protocol tool kit, and the "QUIPU" X.500 directory system.

Crestron Control Systems:

Programming experience since 2000 with Crestron automation/control systems. Excellent knowledge of SIMPL, SIMPL+, VT-Pro-E and other Crestron languages and tools.

Other systems:

Tandem computers; DEC PDP-11s running RT-11 and RSX-11/M; IBM mainframes running VM/CMS; DEC VAX/VMS.


Professional Experience

Third Brigade Inc., Ottawa Ontario; Senior Software Engineer
[August 2004 – Present]

  • Employed as a senior developer working on the company’s Java and C++ based products.

Marchvale Technologies Ltd., Kanata Ontario; Senior Software Developer
[May 2003 – Present]

  • October 2003 – August 2004: Under contract to KeySpire developing Microsoft .NET and Java/J2EE software.
  • May 2003 – September 2003: Under contract to Titus as a Subject Matter Expert (SME) for a training course. The course is designed to give UNIX developers a solid foundation in Windows programming.

Bannock, Ottawa Ontario; Senior Software Developer (contract)
[December 2002 – January 2003]

  • Employed as a senior software developer working for a start-up company on Microsoft .NET products.
  • Contract ended prematurely when the anticipated start-up funding failed to materialize.

Ponte Communications, Ottawa Ontario; Senior Software Developer
[October 2000 – July 2002]

  • Employed as a senior software developer working on Ponte's network management software.
  • Design prime for Ponte's nsControl web interface. Technologies involved in the web interface included Solaris, Tcl, CGI, HTTP, HTML, CSS, JavaScript, CGI, Apache, and modSSL.
  • Co-designed and implemented Ponte's Win32 Control Point - a remote execution engine for running jobs to control and update locally attached devices. Development was done under 32-bit Windows with a single binary running as a service under Windows 95 through Windows 2000. Technologies involved in the Control Point included Tcl, Tcl extensions, Expect, the Windows setup APIs, OpenSSL, TFTP, and Cygwin for Unix-like Expect and Telnet clients on all Win32 platforms.
  • Designed and implemented a caching engine for Ponte's NetBSD-based Network Control Point product.

Entrust Technologies Limited, Ottawa Ontario; Senior Software Engineer
[September 1997 - October 2000]

  • Employed as one of the senior technical advisors in the company, particularly with regard to Microsoft Security and ASN.1 issues.
  • Developed Entrust's Unity product for the Windows platform - a cryptographic service provider (CSP) for Microsoft's CryptoAPI.
  • Acted as the central point of contact for Entrust's premier support contact with Microsoft.
  • Guided the development of Windows 2000-specific interoperability features in Entrust Release 5, and performed initial interop tests with Microsoft's cryptography group.

Strata Software Limited, Kanata Ontario; Senior Partner / Consultant
[May 1995 - September 1997]

  • Contract work in the data communications and security field, primarily for Entrust Technologies Limited. Contracts with Entrust® included:
    • Design and development of a secure HTTP proxy application for Windows and Unix for use in home-banking and other web applications requiring high levels of security and strong authentication. See Entrust/Direct™ (now called the Entrust Entelligence™ Web Plug-in) and Scotia OnLine for a description of the Entrust secure HTTP solution.
    • Development and Interop testing of the Entrust S/MIME toolkit.
    • Development and testing of the Entrust S/MIME Autoresponder.
    • Development of a content encapsulation layer implementing the Secure Data Network System (SDNS) Message Security Protocol (MSP) 3.1 standard (MIL-STD-2045-18500) and subsequent interoperability testing with other MSP implementations.
    • Significant enhancements and modifications to an ASN.1 compiler and run-time C++ class library in order to make it suitable for use in the Entrust environment.
    • The development of a production quality cc:Mail / X.500 directory synchronization tool based on LDAP.
  • Extended the publicly available Unix PPP implementation to support Microsoft's authentication scheme known as MS-CHAP. MS-CHAP is an extension to the PPP Challenge Handshake Authentication Protocol that uses MD4 hashing and DES encryption in a fashion such that the PPP software does not need to have access to a cleartext password.
  • Maintenance (compilation, installation, and configuration) of Samba file and print server software on Linux Systems to allow access from Windows NT, Windows 95, and Windows for Workgroups PCs.

Enterprise Solutions Limited, Nepean Ontario; Senior Software Engineer.
[March 1994 - May 1995]

  • Acted as one of the senior technical advisors in the company, particularly with regard to Microsoft Windows and X.500 client issues.
  • Designed and implemented Enterprise Solutions' Integrated X.500 Directory User Agent (IDUA) and Standalone Directory User Agent (SDUA) for Microsoft Windows. The IDUA was chosen as the runner-up in the "Best of Interop" database category at the Fall 1994 Interop show.
  • Designed and implemented a Winsock-based transfer utility using the TCP/IP File Transfer Protocol (FTP). This utility allowed ESL clients such as Wal-Mart to submit and receive messages without having to install NFS or similar file sharing client software on every PC using the ESL X.400 User Agent.

Bell-Northern Research Limited, Nepean Ontario, Secure Networks Division; Data Communications Specialist.
[July 1993 - March 1994]

  • Designed and developed the X.500-based communication layer as well as the X.509-based certificate handling code for Northern Telecom's Entrust® security product. Implemented extensions to the LDAP (RFC 1777) to carry Entrust-specific protocol elements using the OSI Generic Upper Layer Security (GULS) framework.

Software Kinetics Limited, Stittsville Ontario; Communications Specialist.
[June 1990 - July 1993]

  • Designed and participated in the implementation of the world's first Military Message Handling System (MMHS), based on the NATO extensions to the X.400 protocol. The system is a highly-functional prototype utilizing the OSF/Motif graphical user interface.
  • Various smaller projects, including work with X.500 directories, X.400 interoperability testing, and security-related implementations of X.400.
  • Leave of absence (June 1991 - Sept 1991). Worked on personal MS-Windows and GEM programming projects. The leave of absence was primarily to complete some significant enhancements to my two commercial Atari products and begin porting them to the MS-Windows platform.
  • Designed and co-implemented several X.400(88) security enhancements to the MMHS prototype system. Encryption techniques including RSA and DES were employed in order to provide X.400(88) confidentiality, integrity, and non-repudiation services. An X.500 directory provided the key-management functions for the public-key cryptosystem. Enhancements to the X.400 work are ongoing as part of SKL's MMHS efforts.
  • Designed and co-implemented an X.500 Directory User Agent (DUA) based on Motif. In addition to basic X.500 capabilities, the DUA features programmable search expressions and direct support for X.509 security-related directory attributes such as certificates and revocation lists. Enhancements to the DUA are ongoing as part of SKL's MMHS efforts.

Bell Canada, Ottawa Ontario, Mediatel Division.
[Dec 1992 - April 1993 (part time)]

  • Implemented the ZModem protocol for Bell Canada under a part time contract. The project was to enhance their Envoy 100 email service to include ZModem transfers of message attachments. The work was carried out on weekends and evenings from my home office.

Bell Canada, Ottawa Ontario, Value Added Services Design District - Envoy 100 Technical Group.
[May 1985 - June 1990]

Envoy 100 is a Canada-wide electronic mail system with a customer base of approximately 90,000 users.

  • Joined as Computer Systems Associate, upgraded to Computer Systems Specialist in Sept. 1986, promoted to Systems Advisor in Nov. 1988.
  • In the Systems Advisor role, job responsibilities were the identification and evaluation of new technologies; high-level designs for new features or enhancements; and providing guidance and consulting for the various members of the district - both developers and planners. Responsibilities as Associate and Specialist included detailed design, implementation, testing, and project-leader activities.

Strata Software, Kanata Ontario.
[Fall 1988 - Summer 1991 (part time)]

  • Developed and marketed a pair of commercial programs for the Atari ST line of personal computers. STalker is a general-purpose telecommunications program with X/Y/ZModem, CIS B+, a C-like scripting language, VT100/PC-ANSI emulation, and many other advanced features. STeno is a Windows Notepad-like text editor with some word-processing features.
  • Both programs were licensed to Gribnif Software of Hadley Massachusetts in June 1991 and continue to sell well in the relatively small Atari market.

Bell-Northern Research, Nepean Ontario.
[May 1984 - Sept. 1984]

  • Worked on a network routing and costing system implemented using FORTRAN and Pascal on an IBM mainframe.

National Research Council, Ottawa Ontario, Division of Building Research - Insulation Testing Lab.
[May 1983 - Sept. 1983, May 1982 - Sept. 1982]

  • Enhanced and implemented software controlling the lab's PDP-11 based data acquisition system.

Education

Carleton University, Ottawa, Ontario, Canada (1981-1985).

  • Entrance Scholarship, 1981.
  • Bachelor of Computer Science - Highest Honours, 1985.

Seaway District High School, Iroquois, Ontario, Canada (1976-1981).

  • Ontario Secondary School Honours Graduation Diploma, 1981.