Freelance Senior Network Expert

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
 

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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
 

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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
 

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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
 

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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
 

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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
 

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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
 

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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
 

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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
 

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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