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Network Consultant

General Education

1985-1990 Driestar College
Gouda, the Netherlands
HAVO - Mathematics, Physics, Chemics, Biology, Dutch and English

1990-1992 Florens College
Aalsmeer, the Netherlands
MBO-A Commercial Economics

1995 Open University
Utrecht, the Netherlands
Marketing 2


1998-1999 Microsoft Certified Systems Engineer NT4
- Implementing and Supporting Windows NT Workstation 4
- Implementing and Supporting Windows NT Server 4
- Implementing and Supporting Windows NT Server 4 in the Enterprise
- Networking Essentials
- Implementing and Supporting Internet Information Server 4
- Internetworking with Microsoft TCP/IP on Microsoft Windows NT 4.0

1999 Cisco Certified Network Associate

1999-2000 Cisco Certified Network Professional
Cisco Certified Design Associate
Cisco Certified Design Professional

2001 Microsoft Certified Systems Engineer 2000 - update exams
- Installing, Configuring, and Administering Microsoft Windows 2000 Professional
- Windows 2000 Accelerated Exam 70-240

2001 Cisco Security Specialist 1 - passed following exams
- Cisco Secure PIX Firewall Advanced
- Managing Cisco Network Security

2001-2003 Cisco Certified Internetwork Expert - Routing and Switching
- CCIE #11033

2003 Juniper Networks Certified Internet Associate
- JNCIA-M #108

2003-2004 Cisco Certified Internetwork Expert - Security
- CCIE #11033

2004 Cisco IP Telephony Support Specialist
- CVOICE, 642-432
- CIPT, 642-443
- QOS, 642-642


1999 Course System Administration of MS SQL 6.5 Server

2000 Updating Support Skills and Designing a Directory Services Infrastructure for W2K
Advanced Cisco Router Configuration
Cisco LAN Switching Configuration
Building Cisco Remote Access Networks
Cisco Internetwork Troubleshooting
Cisco Internetwork Design 3.0

2002 Course Sun Solaris 8 Basics
Course Building Checkpoint Firewalls on Solaris 8

Publications and Authoring

2003 Co-authored the Cisco Security Professional's Guide to Secure Intrusion Detection Systems, published by Syngress Publishing with ISBN 1932266690

2003 Authored the Juniper Networks Certified Internet Associate (JNCIA) Practice Exam #1, published / sold by Boson Software Inc.

2004 Authored CCIE Security Mock Labs for the IPExpert CCIE Security 2.0 Workbook


- Operating Systems

Sun Solaris 8, Linux, Windows 2000 Pro/Server, Windows NT4 Workstation/Server, Windows NT Terminal Server, MS-DOS 6.22, MS Windows 9x

- Applications

Cisco Works 2000, Cisco Network Registrar, Lucent QIP 5.2, Cisco Callmanager 3.x/4.0, Cisco Unity 3.x/4.x, Checkpoint Firewall-I/VPN-I 4.1 + NG, Steel-Belted Radius, Cisco Secure ACS 3.x, Cisco Security Agent 4.0, WebSense, NAI IP Sniffer, Ethereal, Retina, NMAP, Nessus, Airmagnet, Visio 5 and later, IIS 3/4/5, Exchange 5.5, Remedy, MS Office Suite

- Hardware

Cisco 800/1700/2500/2600/3600/3700/7200/7513 routers, Cisco PIX 5xx Firewall, Cisco Catalyst 2900/3500/5000/6500 switches, Cisco VPN Concentrator 3000, Cisco AS5350, Juniper M-routers, Nokia IP Firewall, Packeteer, Cisco Local Director, Cisco IP Phones (incl. WLAN phone), Cisco Airopoint 350,1100 and 1200, Cisco Airespace, Symbol Spectrum APs, Baystack ARN, IBM 2200 Routers, Sun 220R, Orinoco WLAN, Compaq Proliant servers, Dell Poweredge servers, IBM servers

- Databases and scripting

MS Access 97/2000, MSSQL 6.5/7.0, HTML, some Perl

Period: January 2002 - present
Company: iXio Networks in Den Haag, the Netherlands
Position: Network Consultant
Industry: Network Consultancy and Training / Cisco Registered Partner
Tasks: iXio Networks is a company that provides network consultancy and training in the fields of Internetworking, Security and IP Telephony. Recent projects have been completed at DHL Benelux BV and Campina amongst others. Projects at the ABN AMRO, Nederlandsche Bank and Kluwer mentioned separately in this CV were conducted in name of iXio Networks. Examples of projects are as follows:

Conducted Cisco Introduction Training for Windows Engineers at a consultancy and a logistics company.
Conducted 5-Day CCNA Bootcamp
Development of Cisco and Juniper courseware for Boson and IPExpert
Wrote the technical part of the RFC for a new headquarters LAN of an international Logistics company.
Wrote an advice for the use and securing of WLAN in an office environment for a client
Conducted high-level troubleshooting of a number of LANs, resulting in improving network performance and application debugging.
Redesign and implementation of a small datacenter using Cisco Catalyst 6500 and 2950 switches
Design and implementation of a 30-40 users Remote Access VPN using PIX515, ACS 3.3 and AES for an Oil and Gas Consultancy
Design and implementation of a Firewall / Remote Access VPN / IPS solution using Cisco ASA5520 with the ASA-SSM-10 module (IPS).
Realization of access to an intranet business application using Nokia Communicator and GPRS, through a Siemens PBX and Cisco Gateway.
Connecting the Avaya PBXs of a 6-site company using Cisco Gateways via IPVPN
Implementation of Cisco Callmanager Express for a 3-site company. Each site connected to the Internet via Office DSL. Project included implementation of Cisco routers, Quality of Service, setup of IPSec VPN between the sites and IOS Firewall and IDS to protect a site.
Designed and implemented a Secure WLAN using Cisco Airopoint APs, Cisco ACS 3.3, Active Directory and 802.1x for an Oil and Gas Consultancy Company.
Third-level troubleshooting of PIX and Checkpoint FW-1 installations.

Period: April 2005 - October 2005
Company: ABN AMRO Bank (Wholesale) in Amsterdam, the Netherlands
Position: Network Design Engineer
Industry: Finance
Worked as part of the network design team on architectural matters regarding ABN AMRO GlobalNet.
Restructure design of ABN AMRO Globalnet (WAN) in Asia Pacific.
Design, testing and implementation of QoS on GlobalNet (WAN) of ABN AMRO. GlobalNet exists of Juniper M20, Cisco7500 and 7200 routers and Cisco access routers (176 total).

Period: July 2003 - December 2003
Company: TCD Communication Solutions BV in Dordrecht, the Netherlands
Position: Senior System Engineer
Industry: Network Integrator / Cisco Premier Partner

Tasks: TCP Communication Solutions BV is a network integrator that provides network/security/voip consulting. While working for TCD I worked on VoIP projects at Versatel, Tommy Hillfiger Europe and MeXX, work on VoIP projects included amongst other things implementing VoIP gateways using H.323 and QSIG, installing and configuring Callmanager, installing Unity 4.0, Multicast and QoS. Work also included a number of security projects, implementing a number of PIX firewalls at various customer sites.

Period: April 2002 - May 2003
Company: De Nederlandsche Bank N.V. (Dutch Central Bank) in Amsterdam, the Netherlands
Position: Network Specialist
Industry: Finance / Public Service
Tasks: Worked as part of the group of Network Specialists (level 3) on three main projects, and in addition to that daily incident and configuration management.
First project was setting up a management network using Checkpoint Firewall-I NG, Cisco switches and MS Terminal Server 2000. Work included project documentation and implementation.
Second project consisted of designing an acceptance network to be used for the acceptance of web-based applications to be used by customers of DNB. The acceptance network is a complete copy of the existing production environment and includes Checkpoint Firewall-I NG on Sun and Nokia in HA setup and a Cisco network.
Third project consisted of selecting, testing and implementing a content networking solution based on F5 BIG-IP for DNB.
Other tasks included administration and configuration of a VPN environment based on Cisco VPN Concentrator 3000 (extranet), implementing Cisco QoS and administering the Cisco/Checkpoint 4.1 production environment.
DNB uses ITIL and Prince II as methods.

Period: January 2002 - April 2002
Company: Kluwer Academic Publishers (part of Wolters Kluwer N.V.) in Dordrecht, the Netherlands
Position: Network Engineer

Period: June 2001 - August 2001
Company: AOT NV (now Binck NV) in Amsterdam, the Netherlands
Position: Network Consultant

Period: February 2001 - May 2001
Company: IBM Nederland BV in Zoetermeer, the Netherlands
Position: Cisco Engineer

Period: Februari 2000 - Februari 2001
Company: Formus Communications Europe BV in The Hague, the Netherlands
Position: Enterprise Network Engineer

Period: March 1999 - Februari 2000
Company: Sonera Corporation (now TeliaSonera) in Capelle a/d IJssel, the Netherlands
Position: System Administrator

Period: July 1998 to March 1999
Company: Demon Internet Ltd. in Amsterdam, the Netherlands
Position: Frontline Support Agent

Period: November 1996 to December 1998
Company: Greenpoint Internet Services in Boskoop, the Netherlands
Position: System Administrator/Webmaster
Industry: ISP