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Areas of Expertise

  • Firewalls: Cisco PIX, Gauntlet, Raptor/Symantec Enterprise, Checkpoint, NetScreen
  • Cisco IOS Routers, Cisco Catalyst Switches and Cylink WAN/LAN Encryptors
  • OS Hardening (Solaris, BSD, Linux, Windows NT/2000)
  • Intrusion Detection & Incident Reporting
  • Secure Authentication Methods (RSA SecurID, LDAP, PKI)
  • Virtual Private Networking, RAS
  • System Administration (NT/2000, Solaris, Linux, BSD, Novell)
  • TCP/IP Traffic Packet Analysis, Penetration Testing


  • Concluded successful Proof of Concept Telework project for the Department of the Treasury. Pilot program provides VoIP services via VPN access to telecommuting employees.
  • Planned and implemented the successful email, server, and user OS upgrade migration of 1000+ users in the National Gallery of Art LAN/WAN.
  • Designed and implemented the structure, policies and procedures of a Help Desk/Customer Service department from the ground up.
  • Designed, configured and implemented IPSEC tunneling servers connecting remote US Customs offices.
  • Designed and submitted geo-diverse and redundant interagency connections including Cisco PIX firewall policies and sample configurations for Department of Homeland Security network.
  • Deployed, implemented, support and maintain all DHS Cisco PIX edge firewall devices; including those to external connections, public internet, and between component agencies.

Work experience

Dec 2005Present

Senior Network Engineer

QinetiQ North America

Responsible for WAN design, engineering and support of Component Agency’s connectivity to the Department of Homeland Security’s Enterprise Network Infrastructure as part of the Network Steward’s team at U.S. Customs and Border Protection. Involved in the design and testing of overall WAN Infrastructure including testing in CISCO Proof of Concept (CPOC) laboratories, diagrams, system and detailed design documentation, management presentations, Procurement of equipment, installation project management, power and cabling requirements, rack elevation design and final production installation. Provided initial designs for a Secure Internet Gateway along with modifications to meet Department budgetary requirements. Responsible for supporting Immigration and Customs Enforcement (ICE), Customs Investigation Services (CIS), DHS Headquarters (DHS HQ), DHS Office of Inspector General (OIG), DHS Science & Technology Group and US-VISITs complete migration of networking services to the Department of Homeland Security’s OneNet network Infrastructure including support documentation, physical migration to MPLS, IP address Conformance, migration to DHS Internet/Extranet services, project scheduling, pilot testing, final integration and over-all project management.

Jul 2002Dec 2005

Network/Firewall Engineer

Responsible for policy creation, network design, system installation and maintenance of Symantec Enterprise Firewalls, Symantec Firewall appliances, Juniper NetScreen, and CISCO PIX firewalls for the Immigration and Customs Enforcement (ICE) as part of SAIC’s STARS/ITESS Systems Management & Integration contract. Provided complete project management of secure external connections between DHS/ICE’s various regional offices and remote DHS/ICE Personnel, state and federal government agencies. These projects involved supplying required data communications (circuits, frame clouds, IP addressing logistics, DNS, routing) as well assuring adherence to security policies; Interagency Security Agreements, physical security, as well as securing requested network traffic through Firewall implementations.

In 2003, ICE, and SAIC’s Network Engineering Team, was tasked with standing up the core WAN network (DCN) for the newly formed Department of Homeland Security. This involved standing up racks of Cisco routers, switches, PIX firewalls and intrusion detection systems for each Organizational Element (OE) to be a part of DHS. Continuing duties have involved designing and managing an internet gateway for DHS, maintaining, upgrading and monitoring all 60 PIX Firewalls that comprise the network.

Aug 2001Apr 2002

Senior Systems Engineer

V-ONE Corporation

Provided Hands-on 24/7 hour support of firewall and VPN systems to large enterprise and US Government customers. Responsible for network analysis, product integration, custom specifications, access control recommendations, and installations on secure hardened systems; including: HP-UX, AIX, Linux, Solaris, BSDI, Windows NT/2000, Windows CE, Palm OS, and 802.11b wireless. Experience with a wide variety of secure authentication methods; LDAP (ADS and OpenLDAP), PKI, RSA SecurID, Entrust/Netrust, Smartcards, FIPS and biometric devices. Assisted Marketing department in the creation of technical documentation, white papers and product overviews.

Accounts: Department of Treasury, Customs Department, Office of the Inspector General, Office of Thrift Supervision; Qwest; CMI Services & Battelle Corporation, Department of Defense Contracts; Federal Bureau of Investigation; RISSnet

Feb 2000Aug 2001

Network Support Engineer

V-ONE Corporation

Provided 24/7 support for Network Administrators and Internet Security Specialists world-wide in the use and configuration of firewall and Virtual Private Network systems designed and sold by V-ONE. Responsible for installing, configuring and management of client’s Gauntlet, Raptor, Checkpoint, PIX, and Progressive firewall systems. Required to create rule policies, manage access control, log computer incident reports and resolution recommendations. Responsible for the tracking, update and secure hardening of server operating systems including, Windows NT, Windows 2000, Linux, Solaris and BSD.

Sep 1997Feb 2000

Network Administrator

Technical Specialities, Inc.

Permanent on-site contractor at The National Gallery of Art. Maintained and serviced a four city block wide network of 750 PC compatible desktop systems (Win95/98, NT Workstation), 100 Macintosh OS systems, 200+ Hewlett-Packard printers and print servers, Sun Servers (TCP/IP, Firewall, DNS and HTTP services under a UNIX OS), 28 Novell IntraNetware servers, GroupWise E-mail Server, Microsoft NT 4.0 Servers and network backup systems. Initiated and implemented a staff computer training program. Provided end-user Help Desk support and troubleshooting for all manner of hardware, software, printing and network issues. Recommended software and hardware purchases. Responsible for the design and implementation of network architecture, software deployment, performance analysis, disaster recovery planning and user system configuration standards. Performed system administration tasks; backup, recovery, and diagnosing performance issues.

Sep 1996Sep 1997

Senior Customer Engineer

Technical Specialities, Inc.

Senior System Consultant and Field Technician for Macintosh and PC Compatible Systems (DOS/Win 3.11/Win ‘95/Win NT/Novell) and peripherals (CD-ROM Drives, Tape Drives, Printers, Modems, Network wiring, etc.). Responsible for diagnosing and resolving an unlimited range of customer hardware and software problems on-site, including the actual repair and replacement of defective parts and resolution of software issues. Called upon as a technical expert for network install and upgrade proposal recommendations. Daily functions also included evaluating customer systems for upgrade recommendations and installing new hardware and software.

Contract Accounts Serviced: The National Gallery of Art, The Phillips Collection, The Woodrow Wilson Study Center, The Department of Health and Human Services (FDA, National Institutes of Health), The Department of Justice, The Department of Labor, The American Society of Association Executives, NASA - Goddard Space Flight Center, National Association of Biology Teachers, Edison Electric Institute and the Veterans Administration.

Feb 1995Aug 1996

Director of Marketing & Development

OLDUVAI Corporation

Responsible for the development cycle and marketing support structure for a 13 package productivity and graphic utility consumer software product line. Responsible for coordinating entire product life cycle: Acquisition, Design, Upgrade strategy, Supervision of Programming Team, Beta testing, Technical documentation, Direct Mail marketing program, Promotion, and Technical Support structure. Supervised contracts for outside services. Primary technical and marketing contact for Apple Computer, industry press, and distributor contacts. Main resource for product demonstrations to/at User Groups, Press contacts and Trade Shows.

Apr 1993Feb 1995

Product Manager

BLOC Development Corporation

(For BLOC Development Corporation subsidiaries Expert Software, Inc. and Softsync, Inc.)

Brought seven personal and small business productivity products for the Macintosh computer to market with sales of more than $1,000,000 in the first year. Managed 65 Graphical Clip Art and Font products for Macintosh & Windows. Responsible for entire development cycle: Product Concept, Program feature specification, Human Interface Design, Programmer management, licensing contracts, Beta testing, packaging, marketing copy creation, production coordination, marketing and Technical Support structure. Primary contact for Apple Computer, marketing, press, out-of-house development resources, product demonstrations to/at User Groups, Press meetings, Televised computer programs and Trade Shows. Wrote & published 15 end-user manuals.

Sep 1990Apr 1993

Customer Service Manager

BLOC Development Corporation

(For BLOC Development Corporation subsidiary, TigerDirect)

Provided, Supervised and coordinated end user Help Desk for entire line of Macintosh and Windows (hardware/software) products sold by retail mail-order division. Designed & implemented complete Customer Service structure with procedure manual. Trained 100 person sales staff on Mac and Windows products with proprietary written materials. Main resource for internal company Help Desk. Installed and maintained corporate network topology, backup system, and electronic mail system. Recommended and handled company software and hardware purchases. Designed and maintained troubleshooting database for supported products.


Top Secret

Department of Defense