Alle Angaben sind in Englisch und können bei Bedarf übersetzt werden

Period:       January 2001 ? present

Business:    Started my own company to deliver freelance network consulting and training mainly based on Cisco products and technologies

Period:       January 2001 ? present

Customer:   Fast Lane, worldwide, www.flane.de
                   Authorized training partner for Cisco, NetApp, VMware and more

• Worldwide delivery of authorized Cisco training courses
• Network design, support, implementation, documentation and troubleshooting of complex Cisco based networks
• Course development and lab infrastructure implementation of Cisco authorized course
  material:
  • Student and lab guide of the course ?FlexPod Implementation and Administration (FPIMADM)?
  • Student and lab guide of ?VersaStack Implementation (VSI)? course
  • Lab guide of ?Configuring the Cisco Nexus 1000V (DCNX1K)? cours
  • Student and lab guide of ?Firewall Service Module Deployment (FWSMD)? course
  • Lab guide ?Implementing Cisco Data Center Network Infrastructure 1 (DCNI-1)? course
  • Lab guide of ?Implementing the Application Control Engine Service Module (ACESM)? course
  • Lab guide of ?Implementing the Cisco ACE Appliance (ACEAP)? course

Period:       October 2016 ? January 2017 (part time)

Customer:   One of the world's leading companies for machine tools, lasers and electronics for industrial applications, Ditzingen, Germany

• Technical Cisco project lead
• Design, documentation, commissioning and configuration of Cisco UCS blade servers and Nexus switches in four FlexPod environments
• Created and performed successfully redundancy test plans
• Delivered Cisco trainings

Period:       January 2016 - present (part time)

Customer:   Cisco gold partner, Berlin, Germany

• Third-level support for network related customer issues

Period:       May 2014 ? November 2016 (part time)

Customer:   A large diversified retail and tourism co-operative group, Koeln, Germany

• Analyzed and documented existing complex WAN environment
• Created WAN redesign proposals
• Created a detailed WAN redesign implementation guide including network diagrams
• Conducted workshops to redesign the existing data center
• Created a redesign guide for data center LAN
• Design, proof of concept, configuration of two new data centers
• Detailed redundancy testing and documentation of the data center LAN
• Nexus 1110-X and 1000V implementation, documentation and redundancy testing
• Routing Migration to the new data center environment
• Configuration, troubleshooting and migration support
• Training on the job

Period:       June 2014

Customer:   German Bakery Association, Duisburg, Germany

• Delivered Cisco and NetApp FlexPod trainings
• Designed and configured a new FlexPod installation including Cisco Nexus 1000V

Period:       September 2014

Customer:   Employers' Liability Insurance Association, Mainz, Germany

• Design and configuration of Cisco UCS domains in two redundant datacenters including Cisco UCS Central

Period:       August 2013

Customer:   German Federal Pension Fund, Berlin, Germany

• Cisco Nexus 1110 and Nexus 1000V implementation at two data center sites
• Training on the job

Period:       January - February 2012 (part time)

Customer:   A company that provides the whole range of services in CRM and dialogue marketing

• Cisco Nexus 5548 and Cisco ASA implementation
• Training on the job of Cisco Nexus 5548, Nexus 1000V, Fibre Channel and FCoE

Period:       August 2012

Customer:   A major German newspaper, Frankfurt, Germany

• Nexus 1000V network design and installation
• Data center migration of VMware virtual networking to Cisco Nexus 1000V

Period:       December 2005 - March 2012 (part time)

Customer:   Cisco silver partner, Berlin, Germany

• Third-level support for network related customer issues
• Configuration optimization and troubleshooting, cooperation with Cisco TAC

Period:       August 2004 - April 2005 (part time)

Customer:   A Cisco partner that develops, installs and operates communications and media systems, Hamburg, Germany

• Redesigned, optimized and provided for the extension of a network with the following attributes: VoIP, QoS, LAN Security, RTSP, WLAN, Firewall, Access Server, IPSEC, AAA and more

Period:       February 2003 - July 2003

Customer:   The largest German and one of the largest European IT services companies, Bielefeld, Germany

• Created, planned and realized a monitoring scheme to supervise and manage a network of several hundred firewall systems

Period:       March 2000 ? December 2000

Customer:   Cisco Systems, throughout Germany, www.cisco.com

• Technical project manager involved in a major project to roll out new points of presences for the second largest German ISP
• Managed project successfully through its phases including: planning, implementation, performance tests and quality assurance assessment
• Global pilot project based on a new, scalable, high-performance and cost-saving technology

Period:       February 2000 ? March 2000

Customer:   One of the leading providers of audit, tax and advisory services, various locations in Germany

• Technical project lead for Campus and WAN redesign including comprehensive documentation
• Performed inventory, analyzed the actual state of the network and developed a redesign concept based on a hierarchical, redundant and high-performance network topology

Period:       August 1999 ? September 1999

Customer:   Global automotive manufacturer, Sindelfingen, Germany

• Troubleshooting of the enterprise campus
• Audited and analyzed the campus network
• Developed high level redesign concept
• Training on the job for the network operations center team

Period:       July 1999

Customer:   Data center and networking solution provider, Frankfurt, Germany

• Configured, tested and documented the functionality of Cisco PIX firewalls

Period:       July 1999

Customer:   The largest German and European telecommunications company, Darmstadt, Germany

• Project engineer for ADSL rollout
• Executed performance, usage and scalability tests
• Created network documentation

Period:       May 1999

Customer:   Networking solution provider, Hannover, Germany

• Performed Year-2000 tests on various network devices

Period:       April 1999

Customer:   Gear system producer, Rietheim-Weilheim, Germany

• Network troubleshooting using network analyzer
• Optimized routing and WAN configuration

Period:       March 1999

Customer:   Media company, Duesseldorf, Germany

• Cisco router configuration and troubleshooting

Period:       November 1998 ? February 1999

Customer:   Large company in the field of networking and communications technology, products and services, Stuttgart, Germany

• Network Support Engineer in the main technical assistance center
• Created and maintained trouble tickets; reproduced and resolved complex and challenging customer problems with exact replicas of their network components
• Worked closely with Cisco TAC