Networking & Security Consultant with strong designing, implementation and troubleshooting skills for medium and large infrastructures within the networking fields LAN, WAN, WLAN & Security. Knowledge and experience in Technical Project Management and Security Management (ISO27001/27002).
Active Certifications:
Cisco:
- CCIE Routing&Switching - CCIE# 48331
- CCNP
- CCNP - Security (former CCSP)
- CCDP
- CCNA - Routing/Switching
- CCNA - Security
- CCDA
- Cisco ASA Specialist
- Cisco IPS Specialist
- CNSS 4011 Redognition
- CNSS 4013 Recognition
HP:
- HP AIS Procurve 2011
- HP ASE Procurve 2011
FortiNet:
- NSE4 (FortiGate)
- NSE5 (FortiManager & FortiAnalyzer)
Security:
- CISSP
Specialties: Networking & Troubleshooting:
-Design: LAN/WAN/Security/Internet/VPN
-Routing: OSPF/EIGRP/BGP
Monitoring:
-PRTG/Wireshark
Network Security:
-Firewall/Filtering/IDS/IPS/VPN/ACS
System Security:
-Patching (patch management)
-Vulnerability scanning (Nessus)
-2-Factor Authentication (RSA/CryptoCard/SafeNet)
Cisco Equipment (Routers/(Blade)Switches/PIX/ASA Firewalls/WLAN(autonomous/controller)/LoadBalancing)
General Network Equipment (3Com/FortiNet/HP Procurve/H3C/Nortel/Nokia/Packeteer/Barracuda Networks/RSA)
Technical Consultant @ From February 2014 to Present (1 year 11 months) Consultant Networking & Security / Security Officer @ Consultant for Infrastructure and Security projects.
Advising companies which products to use based on requirements and needs. Besides advising and writing proposals, implementing the solutions is also a big part of the job.
Besides networking I'm also active in the field of Information Security as Security Officer. Primary focus in this role:
- ISO27001/2 implementation
- Risk Management
- Internal Audits
- Security Awereness
- Compliance From November 2011 to January 2014 (2 years 3 months) Senior Consultant Networking @ Consultant for Infrastructure and Security projects.
Advising companies which products to use based on requirements and needs. Besides advising and writing proposals, implementing the solutions is also a big part of the job.
Project include (but are not limited to):
- LAN Switching/Routing
- WAN Routing
- Security (VPN / Firewall / IPS / NAC / RSA / Black Shield)
- Wireless (Autonomous / Controller based)
Mostly working with the Cisco and HP Procurve portfolio, but also extending it towards other suppliers if applicable. From November 2007 to October 2011 (4 years) Senior Network Engineer / Information Security Specialist @ Within the Engineering function the main tasks included designing LAN, WAN, Wireless & Security concepts and implementing them within the CSC data center or on customer sites within the Netherlands, Belgium and occasionally Germany & France. Besides designing & implementing, operating and maintaining the Global RSA solution and troubleshooting/solving network issues as a second/third line support was a big part of the job.
For the Information Security Specialist part I worked on implementing a vulnerability scanning solution for maintaining a clear view on the current patch levels for the customer systems. From January 2006 to October 2007 (1 year 10 months) (Senior) Network Engineer @ Managing, Implementing & Troubleshooting network environment within CSC and Customers.
Technologies:
- LAN Switching (Cisco/HP)
- WAN Routing (EIGRP/BGP/OSPF)
- Firewalling (ASA/CheckPoint/SideWinder)
- Autonomous Wireless (Cisco) From December 2002 to December 2005 (3 years 1 month) System Engineer @ Managing, Implementing & Troubleshooting Wintel System Environments.
Technologies:
- Windows NT 4.0 Server/Workstation
--> PDC/BDC/DNS/DHCP/IIS
- Proxy 2.0 firewalls
- Exchange 5.5 environments
- Windows 2000 Server Environments
--> AD/DNS/DHCP/IIS
- Citrix Metaframe XP 1.8
- PowerFuse
- Microsoft ISA 2000 From November 2000 to November 2002 (2 years 1 month) Systeem beheerder @ 2nd line support for 3000 workstations at Océ.
- Checking hardware delivery
- Imaging new workstations
- Installing additional applications
- Troubleshooting applications (3rd line)
- Creating accounts (File/Mail) --> Unix Based
- Installing workstations From June 1999 to October 2000 (1 year 5 months)
CISSP - Information Security, Passed the CISSP exam on the 30th of June 2012 @ Cibit Acadamy From 2012 to 2012 Tmap (Test management approach) @ Class Based Training - Sogeti Netherlands From 2011 to 2011 Bachelor ICT, ICT @ Hogeschool van Utrecht From 2008 to 2011 Network Switching/Routing/Security/Wireless @ HP Procurve ASE Bootcamp From 2009 to 2009 HP AIS Procurve, HP Adaptive Edge Fundamentals @ Class Based Training From 2008 to 2008 Nortel NVG 30x0 @ Class based Training From 2007 to 2007 Technische Informatica - MTS @ Ter AA College From 1995 to 1999 INE Bootcamp R&SINE Bootcamp R&S Steffen CISSP is skilled in: Routing, Firewalls, Information Security Policy, Cisco Switches, Cisco Security, HP Procurve, H3C, LAN Switching, IP VPN, SSL VPN, High Availability, Network Security, Wireless Networking, Wireless Security, CISSP
Websites:
http://www.axians.nl