Senior Network & Security Consultant (CCIE # 13708), Cisco Trainer (CCSI # 31274), * mail @ martinvoelk.com *
Guildford, United Kingdom
Senior Network & Security Consultant (CCIE # 13708), Cisco Trainer (CCSI # 31274), * mail @ martinvoelk.com *
Guildford, United Kingdom
10 years of network experience in the ISP-, Security-, Enterprise- as well as in the Banking industry.
I am looking for clients (NO RECRUITMENT AGENCIES), who are interested in my services. I am especially interested in remote work, consulting over the phone, evening and weekend projects. I offer high end consultancy in the following fields:
- Network & Security Consultancy
On-site and/or remote consulting with focus on Cisco based intrastructures, but very skilled on multiple vendor platforms as well. Product consultancy & Design reviews
- Wireless LAN & Wifi Consultancy
Especially wireless mesh networking, airospace controller based solutions, site surveys and wireless security
- Network and Security Audits as well as penetration Tests
(fully qualified Certified Ethical Hacker)
- IPv6, Anti Spam Mail, OpenVPN, Linux, Unix, Solaris, Perl/Shell scripting, Application Orientated Networking, Load Balancing, WAN Optimization
Active certifications:
Cisco Certified Internetwork Expert (CCIE # 13708)
Certified Cisco Systems Instructor (CCSI # 31274)
CCSP - Cisco Certified Security Professional
INFOSEC - NSA Information Systems Security Prof.
4011 Recognition - National Security Agency (NSA)
4013 Recognition - National Security Agency (NSA)
Cisco Information Security Specialist
Cisco Firewall Specialist
Cisco VPN Specialist
Cisco IPS (Intrusion Prevention System) Specialist
CQS - Cisco Network Admission Control Specialist (NAC)
CQS - Cisco Routing and Switching Field Specialist
CQS - Cisco Routing and Switching Solutions Specialist
Cisco Advanced Wireless LAN Field Specialist
Cisco Advanced Wireless LAN Design Specialist
CEH - US EC Council Certified Ethical Hacker
CCIP - Cisco Certified Internetwork Professional
CCDP - Cisco Certified Design Professional
CCNP - Cisco Certified Network Professional
CCDA - Cisco Certified Design Associate
CCNA - Cisco Certified Network Associate
MCP - Microsoft Certified Professional
CCIE # 13708
CCSI # 31274
Languages:
German (mother tongue)
English (excellent)
Spanish (basics)
Excellent interpersonal and presentation skills
(Privately Held; 1-10 employees; Security and Investigations industry)
April 2007 — Present (1 year 6 months)
Owner at Netdefense (http://www.netdefense.co.uk). Serving clients across the world. Penetration Tests, Security Assessments, Social Engineering, Network Security reviews, design and configuration. IT Security Advisor to CEOs of UK based businesses.
(Privately Held; 51-200 employees; Information Technology and Services industry)
2006 — Present (2 years)
http://www.cciebootcamp.co.uk
(Privately Held; 11-50 employees; Computer & Network Security industry)
December 2006 — Present (1 year 10 months)
Network Consultancy with focus on Cisco Networking (Routing & Switching, Security and Wireless LANs). Advising customers on suitable hardware, design and re-design of existing networks, mentoring and training internal staff. Network security adviser to the CEO.
(Educational Institution; 501-1000 employees; Computer Networking industry)
October 2006 — Present (2 years)
Delivering Cisco Authorized Training courses on behalf of FastLane (full CCNA, CCNP, CCDP, CCSP, CCIP and Wireless Track as well as delivering CCIE R&S Lab Bootcamps). Cisco Course Development. Network & Security Consultancy for clients and partners of FastLane. Design, Support, Implementation and Troubleshooting of highly complex Cisco based networks, VPNs and Load Balancing set ups (F5 and Coyote Point) as well large WLAN scenarios.
(Public Company; 51-200 employees; Computer & Network Security industry)
September 2006 — September 2006 (1 month)
Complete Firewall migration from Cisco Works VMS Firewall MC to Cisco Security Manager (CSM). Setting up virtual VMWare lab machines in order to test before migrating to the live system. Migrating thousands of network objects, services, service groups, NAT translation rules, firewall rules etc. to the CSM. Fine tuning the CSM and customer handover.
(Public Company; 10,001 or more employees; Computer & Network Security industry)
January 2005 — August 2006 (1 year 8 months)
Re-design of Motorola's internal UK core network. Design, implementation and support of the core network.
Responsible for the overall network security including Intrusion Detection Systems (IDS), Cisco PIX Firewalls, Checkpoint FireWall-1 NG Firewalls, Cisco ACS Servers and VPNs. Building a Cisco based IDS solution from nothing. 3rd. level support and performance management for the entire network. Support and maintenance of Cisco SSG, Cisco SESM, Cisco CNR, Cisco CAR, Cisco CSS Load Balancers and Cisco WLSE. Perl- and Shell script development in order to automate daily backup and monitoring tasks. Design, implementation and rollout of special event WLAN hotspot solutions. Implementation of roaming partners.
Teaching in-house Cisco courses (CCNA, CCNP, IPv6, WLAN) to internal departments. Internal security audits and penetration tests on small to large networks in order to tighten up network security.
(Public Company; 11-50 employees; Computer & Network Security industry)
January 2006 — May 2006 (5 months)
Remote Network & Security Consultancy for clients of Network Angels across the United Kingdom, Main focus on VPN- and Load Balancing set ups. Cisco network design, implementation, configuration and maintenance.
(Public Company; 11-50 employees; Telecommunications industry)
January 2005 — June 2005 (6 months)
Remote Consultancy for TPN. Design of a highly redundant WLAN core network. Recommendation on suitable products, carrying out remote configurations and maintenance work on both Cisco kit as well as on Unix Server components.
Development of automatic maintenance and monitoring systems. Setting up site-to-site VPNs to ensure secure communication. Implementing QoS requirements in co-operation with local carriers. Design and implementation of special temporary WLAN hotspots.
(Public Company; 1-10 employees; Computer Networking industry)
October 2004 — December 2004 (3 months)
Delivering CCNA, CCNP, CCIE and IPv6 training courses to various clients. Security audits and penetration tests for some of England's most known online bookmakers. Making recommendations on how to close discovered security holes. Wireless LAN security assessments. Securing Wireless LAN with WPA (Wifi Protected Access) and AES. On-site consulting for clients on Cisco based network designs and configurations.
Design of a highly redundant WLAN core network. Recommendation on suitable products, configuration and maintenance work on both Cisco kit as well as on Unix Server components. Development of automatic maintenance and monitoring systems. Setting up "CA" and "pre-shared key" based site-to-site VPNs to ensure secure communication. Implementing QoS requirements in co-operation with local carriers. Design and implementation of special temporary WLAN hotspots. VoIP and WLAN rollout projects.
(Public Company; 10,001 or more employees; Investment Banking industry)
April 2003 — August 2004 (1 year 5 months)
Consultancy for the HVB Treasury Investment bank. Meeting tight deadlines and taking proactive measures in order to guarantee optimal network performance for market traders. Time critical network support and troubleshooting under pressure. Network, performance and security audits by means of cutting edge technologies. Migration and Re-Design of external customer Banks networks to latest technologies in terms of design, hardware and software. Personal on-site consulting for customer banks of HVB Info (such as the investment bank HVB Treasury, Bethmann Maffei Bank, DAB Bank, Noris Bank and others).Design, rollout and operation of one of the world's largest VPNs connecting 2 core sites to around 800 branch offices.
Project Manager for the "Backup of 800 branch offices" project. Conception, Design, lab pilot tests and rollout of Backup solutions including ISDN, channelized E1 bundles, redundant ATM- and Frame Relay PVCs as well as satellite links to different ISPs.
(Public Company; 10,001 or more employees; Computer & Network Security industry)
March 2003 — March 2003 (1 month)
Short rollout contract role. Configuring Routers, Switches, VPN Concentrators and PIX Firewalls. Inter connecting various client sites through VPNs. Carrying out function- and performance tests. Configuration of multi-homed backup solutions. Failover tests.
(Public Company; 10,001 or more employees; Computer Networking industry)
September 2001 — February 2003 (1 year 6 months)
Support, maintenance, upgrades, new installations and troubleshooting on the core networks consisting of both Cisco and Juniper routers running OSPF, IS-IS, BGP and MPLS. Migration of other ISPs with all services into the C&W network. Installation of new POPs and NCPs. Design, Re-Design, implementation and rollout of customer networks. Development and consultancy of customized end-to-end solutions for customers. Supporting various implementations of special and complex customer set ups. Delivering both English and German CCNA certification and other networking courses to colleagues and the provisioning department as needed.
(Government Agency; 5001-10,000 employees; Non-Profit Organization Management industry)
September 1999 — September 2001 (2 years 1 month)
Long term hands-on study-related project at the technical college in Munich. Sub-netting and IP addressing, configuring Cisco Routers, Switches, PIX Firewalls for hundreds of schools in the Munich area. Goal was to provide all schools with internet access and to build up a centralised management for all networking components involved. Project was successfully finished in summer of 2001.
(Public Company; 1001-5000 employees; Telecommunications industry)
August 2001 — August 2001 (1 month)
4 weeks contract role for Mexico’s biggest ISP. Establishing a new BGP Internet Exchange utilizing both Cisco and Juniper components. Configuring all devices from the scratch. Interaction with some 10 other service providers. Carrying out tests and fine tuning the new setup.
(Public Company; 1001-5000 employees; Banking industry)
June 1999 — August 1999 (3 months)
Contract role with leading bank in Australia. Fault management and support of the IT department. Daily tasks included: Maintenance on network and server components, troubleshooting, user support, call and trouble ticket management as well as on-site field engineer tasks.
(Public Company; 10,001 or more employees; Transportation/Trucking/Railroad industry)
February 1997 — May 1999 (2 years 4 months)
Systems Engineer in the electronics central workshop of German Railways Group.
Server and Network Administrator of a WIN NT 4.0 LAN. Installation, User Support, Upgrades, Maintenance and Troubleshooting. Securing the network from internal and external threats.
Bachelor, CS, 1999 — 2001
Latin Music, IT in general, Travelling, Investment and stock exchange
CCC (Chaos Computer Club)
Colombia Children Aid Support Group
Lonely planet author