02/2002 – 03/2005
Company: Altenloh, Brinck & Co
Location: Ennepetal
Industry: Automotive
Position: IT Consultant. First and Second Level Support
Responsibilities: Administration / Support (Infrastructure + Network)
and Project Implementation
Technologies: Microsoft Windows 2000 Server, Microsoft Windows Server 2003, Microsoft Windows Windows 2000, Microsoft PKI,
WLAN Encryption, Citrix Metaframe XP, RRAS and VPN, Exchange Server 2000
04/2005 – 04/2006
Project: Eurofighter
Company: Secaron AG eSolutions
Location: Hallbergmoos, Airport Business Center
Industry: Aerospace
Position: IT Security Consultant
Responsibilities: Design and implementation of an Entrust PKI followed by testing
Technologies: Entrust Security Manager, Windows 2000, Solaris 9, SuSe Linux,
Windows Server 2003, LDAP, Microsoft Windows Exchange Server 2003
05/2006 – 07/2006
Project: Eurofighter
Company: Secaron AG eSolutions
Location: Hallbergmoos, Airport Business Center
Industry: Aerospace
Position: IT Security Consultant
Responsibilities: Pentester for a web or client/server application for
smart card authentication
Technologies: nmap, Paros Proxy, Metasploit, and various other pentesting tools
08/2006 – 09/2006
Project: Disk Encryption
Company: BMW
Location: Munich
Industry: Automotive
Position: IT Security Consultant
Responsibilities: Design and integration of a disk encryption solution
Technologies: Safeguard Easy
04/2007 – 06/2008
Project: GAST
Company: EADS Defence & Security GmbH
Location: Bonn
Industry: Aerospace
Position: Infrastructure Systems Engineer
Responsibilities: Establishment of project sites in Bonn, Daun, and Rheinbach
Technologies: Microsoft Windows Server 2003 (Active Directory, DFS, Clustering, Replication Topology, etc.), Microsoft Windows XP, Microsoft Exchange Server 2007, VMware, Sanctuary Device Control, LAN and WAN, Safeguard Easy Disk Encryption, and more.
07/2008 – 11/2009
Project: HERKULES
Company: BWI Informationstechnik GmbH
Location: Meckenheim
Industry: Defense Industry / Military
Position: Infrastructure / Software Analyst
Responsibilities: Analysis of existing infrastructures and applications for potential migration to newer systems, Microsoft Windows Server 2003 and Microsoft Windows XP
Technologies: Microsoft Windows Server 2003 (Active Directory), Microsoft Windows XP, Microsoft Exchange Server 2007, Lotus Notes, various applications used by the Bundeswehr (German Armed Forces).
12/2009 – 2/2011
Project: Eurohawk
Company: EADS Defence & Security GmbH
Location: Friedrichshafen
Industry: Aerospace
Position: Infrastructure Systems Engineer
Responsibilities: Designing/redesigning new or existing infrastructures in accordance with project contract/IT security concept, integration, network setup, and SINA (Secure Inter-Network Architecture) integration
Technologies: Microsoft Windows Server 2008 (Active Directory), Microsoft Windows Server 2003 (Active Directory), Microsoft Windows XP, Microsoft Windows 7, Microsoft Exchange Server 2007, Microsoft System Center Configuration Manager R2 (SCCM) – Design + Conceptualization, Setup + Administration, Software (SCCM packages, PowerShell scripts) + Operating System Deployment (Capture & Deploy), Hyper-V, VMWare, Virtual Box, Symantec BackupExec 2010 (Backup / Recovery Concept and Implementation), GFI EventsManager 8.2, and more.
03/2011 – 09/2011
Project: Windows7
Company: OBI Smart Technologies
Location: Wermelskirchen
Industry: Retail
Position: IT Consultant
Responsibilities: Design server migration from Windows Server 2003 to Windows Server 2008 R2, infrastructure analysis, PowerShell scripting, evaluation of application dependencies
Technologies: Microsoft Windows Server 2008 (Active Directory), System Center Configuration Manager 2007 R3 (SCCM) – Design + Conceptualization of OS deployment (32-bit + 64-bit, desktops + notebooks), Microsoft Windows Server 2003 (Active Directory), Microsoft Windows 7, and more.
09/2011 – 09/2011
Project: Development of Smart Card Authentication for Windows
Company: Krüger Consulting
Location: Remote
Industry: IT Consulting
Position: Security Consultant
Responsibilities: Elaboration of technical requirements for smart card authentication on Windows XP / Windows 7. Technical requirements related to digital certificates, smart cards, online and offline authentication, processing of login credentials on a digital certificate, etc.
10/2011 – 12/2011
Project: Email-Encryption
Company: Federal Fiscal Court
Location: Munich (remote)
Industry: Public Sector
Position: Security Consultant
Responsibilities: Design and implementation of an email encryption solution based on Microsoft Exchange 2010, Outlook 2010, and Aladdin eToken using a Microsoft PKI.
11/2011 – 11/2017
Project: Volkswagen PKI
Company: Volkswagen AG
Location: Wolfsburg
Industry: Automotive
Position: Security Consultant
Responsibilities: Consultation in the areas of authentication, digital signatures, and encryption (data encryption and link encryption), establishment of PKI infrastructure, PKI integration with various applications based on data classification, smart card login to Windows, coordination and creation of technical and organizational documentation, coordination of individual departments and vendors.
Technologies: Gemalto Smartcards, Windows / Nexus PKI, Windows 7