Freelance Senior Network Expert
Provide expert IT support globally, on a consultancy basis for numerous Big and Enterprise Businesses in various industries including Telecommunication Providers (T-Mobile, Vodafone, German Telecom), Automotive and Suppliers (ZF Friedrichshafen, Porsche), IT & Network System Manufacturers (Siemens) Niches, IPv6,Core Network Service (IPAM, DNS, DHCP, NTP Management)
Contracts Include:
Jul 2018 – Dec 2018 Signal Iduna AG
- Delivered expert support (Agile/Scrum) for various technical projects management
- Assisted with the planning and implementation of IPv6 migration and a planned IPv4 / IPv6 Network Migration
- Gave instructions on topics specific to IPv6 VPN Access (NCP, Lancom, IPSec)
- IPv6 implementation in the IT enterprise environment systems
Tools:Scrum, Kanban, Agile, Efficient IP IPAM DDI, IPv6, IPv4, Wireshark, VPN, IPSec, NCP VPN, Lancom VPN, RIPE NCC LIR, Linux, MS Office, OmniGaffle, Visio
Jul 2017 – Jun 2018 Fraunhofer Institute
- Provided guidance to the team to deliver IP address management (IPAM)
- IP address management (DNS / DHCP) support in daily operations for Core Network Services
- Developed IPv4 / IPv6 network applications, including IP address management systems, DNS/DHCP, Network Monitoring and NTP
Tools:Bluecat Address Manager, Linux, VMware ESXi, OSX
May 2017 T-Mobile Austria
- Acted as a Consultant / Analyst for DSL to work on the Hybrid Test Management Project
- Introduced a test management analysis for an IAD DSL / hybrid launch
- Collaborated with project managers to support with planning a test management strategy for the introduction of a DSL / hybrid IAD product
- Supported with the technical planning of a DSL / hybrid IAD test laboratories Systems
Tools:MS Office, Visio, OmniGaffle
Apr 2017 – May 2017 Secunet Security Networks AG
- Served as Test Manager assigned to complete +Factory Acceptance Test - SINA product family
- Designed and documented test cases for core business applications with full coverage from user stories and acceptance criteria. Ensured inclusion of testing for both positive and negative scenarios
- Identified and prioritised test cases to automate in addition to raising bugs in test management tool
- Executed Data Driven Test with Unified Functional testing (QTP) to test the application for different sets of data
- Adaptation of SINA test systems to the individual test cases
- Created performance analysis based on Spirent TestCenter
- Designed and created Spirent TC configurations Systems
Tools:Scrum, Agile, SINA Box, VPN, IPSec, PKI, x509, Spirent TestCenter
Jun 2016 – Dec 2016 Siemens AG
- Consultant for IPv6 integration into industrial control systems, assigned to IPv6 specification, integration and development accompanying tests for the Scalance W product group
- Identification and specification of IPv6 requirements
- Integration testing during the development phase
- Created an IPv6 test environment
- Documentation and test cases systems
Tools:Scrum, Agile, IPv6, IPv4, TCP / IP, ISO / OSI, VMware ESX Server, ISO / OSI, Linux (RHEL, SLES, Debian), Wi-Fi, Wireshark, OmniGaffle
Jan 2016 – Mar 2016 ZF Friedrichshafen AG
- Consultant for IPv6 Security / Privacy Project
- Strategic planning IPv6 IT Security & Privacy
- Introduced change and migration of version IPv4 to IPv6 for an International Network
- Developed IPv6 Security approach to migration of the project
- Created IPv6 Risk Analysis Systems
Tools:Infoblox DDI, DNS, DHCP, NTP, MPLS, BGP, IPv6, IPv4, TCP / IP, Visio, OmniGaffle
Sep 2015 – Dec 2015 ZF Friedrichshafen AG
- Assigned to IPv6 Project to support with developing IPv6 Presentations & Enterprise IP address management and the migration of version IPv4 to IPv6 for an International Network
- Supported with daily business operations systems
Tools:Infoblox DDI, Suse Linux SLES11, RHEL, DNS, DHCP, NTP, MPLS, BGP, IPv6, IPv4, TCP / IP, Visio, OmniGaffle
Jul 2014 – Aug 2015 ZF Friedrichshafen AG
- Served as Network Administrator assigned to end to end delivery and management of various Network Applications such as IP address management systems, DNS / DHCP, network monitoring, end-to-end service monitoring, radius, NAC
- Upgrade version IPv4 to IPv6 4 Systems
Tools:Infoblox DDI, Suse Linux SLES11, RHEL, ESXi, DNS, DHCP, NTP, MPLS, BGP, IPv6, IPv4, TCP / IP, Visio, OmniGaffle
Mar 2013 – Apr 2014 German Telekom AG
- Testing Manager supporting with the system and integration testing of CPE devices
- Managed CPE network tests for DSL router end customers of Deutsche Telekom (Speedport series)
- Developed and recorded tests and test cases, and designed test environment for DSL/LTE hybrid CPE devices
Tools:MS Office, ISO / OSI, TCP / IP, IPv6, IPv4, VoIP, DSLAM, IPTV, xDSL, Linux, RHEL, Oracle 11g, Citrix XenServer 6.1, HP Quality Center
Additional Experience:
Oct 2011 – Feb 2013 Senior Test Manager– German Telekom AG
Aug 2008 – Sep 2011 Senior Test Engineer– T-Online International
Feb 2008 – Apr 2008 IT Security Administrator– Heraeus AG
Dec 2007 Template Developer– Tripple Sense GmbH
Jul 2007 – Oct 2007 Test Manager– Netcologne AG Cologne
Jan 2008 – Apr 2016 COO and Freelance Consultant– Galaxy-Consult Inc
Aug 2005 – Dec 2006 Test Engineer– T-Mobile
May 2005 – May 2006 Developer VoIP CPE gateway systems– Siemens
Sep 2003 – Mar 2005 Project Manager/Administrator– Vodafone AG
Jun 2003 – Sep 2003 System Administrator, GSM SMS Voting Platform– Vodafone AG
Oct 2002 – Jun 2003 System Administrator, Lucent QIP– Degussa Goldschmidt AG
Apr 2002 – Aug 2002 Administrator– Altstadthof Brewery Nuremberg
Jun 2001 – Dec 2001 Administrator & Test Engineer– Lucent Technologies
Jun 2000 – Jun 2001 Administrator & Test Engineer– Lucent Technologies
Mar 2000 – Jun 2000 Network Engineer– Viag Interkom AG
Dec 1999 – Mar 2000 Network Engineer– Viag Interkom AG
Nov 1999 – Dec 1999 1st Level Support– Porsche AG
