Ralf Holtorf
Angestellt, Global Network Security Engineer, General Motors
Rüsselsheim, Deutschland
Werdegang
Berufserfahrung von Ralf Holtorf
9 Monate, Juli 2012 - März 2013
DDI Security Engineer
HP Enterprise Services
• DHCP, DNS and IP Management Services for a variety of customers • IPv6 transition / addressing management
2 Jahre und 9 Monate, Nov. 2009 - Juli 2012
Firewall Engineer
HP Enterprise Services
• Firewall Engineer for Big Customer's Global Network • Design & Engineering for ~150 Customer Firewalls, with focus on EMEA Region • Subject Matter Expert for EMEA Webhosting Environment • Subject Matter Expert / User Trainer for internal Request Tools • Plan / Develop advanced Scripts for Automation of repetitive processes • Mentor for Offshore colleagues and business students
2 Jahre und 3 Monate, Sep. 2007 - Nov. 2009
Firewall Engineer
EDS Operations Services GmbH
• Firewall Engineer for Big Customer's Global Network • Design & Engineering for ~150 Firewalls, with focus on EMEA Region • Subject Matter Expert for EMEA Webhosting Environment • Subject Matter Expert for Internal Request Tool • Plan / Develop advanced Scripts for Automation of repetitive processes
2 Jahre, Okt. 2005 - Sep. 2007
Systems Administrator
EDS Operations Services GmbH
• Responsible for managing, maintaining, and customizing of network documentation (NFM C6000) and Visualisation (NetViz) tools • In-house trainer for NFM C6000 and NetViz • Administration of 30 servers on OS and application level (Solaris, Linux etc.)
3 Jahre und 1 Monat, Sep. 2002 - Sep. 2005
Business Student
EDS Operations Services GmbH
• Enterprise Network Management (9 months) • Web Application Development (3 months) • Engineering Call Center (3 months) • Client/Server Systems Management (3 months)
Ausbildung von Ralf Holtorf
1 Monat, Sep. 2005 - Sep. 2005
Computer Science
Open University London
3 Jahre und 1 Monat, Sep. 2002 - Sep. 2005
Angewandte Informatik
Berufsakademie Mannheim
Sprachen
Deutsch
Muttersprache
Englisch
Fließend
Französisch
Grundlagen