Thorsten L.
External Consultant – Infrastructure Architect IPv6 Test Lab
Experience
Feb 2024 - Dec 2024
11 monthsExternal Consultant – Infrastructure Architect IPv6 Test Lab
- Infrastructure architect for a test lab of all federal agencies on IPv6.
- Support internal IT with design issues.
Jan 2023 - Present
2 years 8 monthsExternal Consultant – Network Architect
- Network architect for a subproject.
- Creation of various concepts.
Nov 2022 - Jun 2023
8 monthsExternal Consultant – IT Infrastructure Architect Test Lab
- IT infrastructure architect.
- Development of draft and detailed concepts for a test lab.
Dec 2020 - Apr 2021
5 monthsInterim Manager and Technical Team Lead Network Management
- Team lead for the network team.
- Security assessment.
- Support in process design.
- Client: Douglas Informatik GmbH.
Oct 2020 - Dec 2022
2 years 3 monthsExternal Consultant – Product and Portfolio Manager
- Introduction of new connections and mobile access for authorities in the VS-NfD area in coordination with the BSI.
- Technical support in network architecture.
Nov 2017 - Jun 2020
2 years 8 monthsChange and Asset Manager
NTT Germany AG & Co. KG
- Change and asset management according to ITIL for all 12 locations in Germany and Austria.
- LAN, WLAN, WAN and data center.
- Managed approximately 50 onsite engineers.
- Direct communication with client management.
- Introduction of new change processes and review of change requests.
- Administration of around 25,000 Cisco devices.
- Client: MAN Truck and Bus and MAN Diesel Turbo (VAG).
Nov 2016 - Oct 2017
1 yearSupport Engineer
Dimension Data AG & Co. KG
- Support in the Network Operation Center (NOC).
- LAN, WLAN, WAN and data center.
- Clients: MAN Truck and Bus and MAN Diesel Turbo (VAG).
Sep 2016 - Present
9 yearsManaging Partner
Pitnas GmbH
- Independent work as IT consultant for SME and enterprise infrastructures in networking and network security.
- Process design and support in introducing new IT-related processes.
- Planning and building or restructuring networks, network design, WLAN infrastructures, and concept creation for projects.
- Process design for internal IT, change and asset management, as well as product and portfolio management.
- Network design and implementation according to client requirements.
- Expertise in Microsoft and Linux as well as VMware ESXi servers.
- Sales and troubleshooting of IT hardware.
- Remote and on-site service.
- Specialization in HP/Aruba, Cisco and DELL switches and WLAN experience with manufacturers like Ubiquiti/UBNT, Cisco, Aruba and LANCOM.
- Firewall experience with Cisco, Check Point, WatchGuard, Sophos, Genua and Securepoint.
- Data center experience including network planning and design.
- WLAN site surveys and design with Ekahau.
- Clients: ProLeit AG, AOK Federal Association, KAUT-Bullinger & Co GmbH, Dilax Intelcom GmbH, ATG-BauPlanung GmbH, Volkswagen Commercial Vehicles, Fenstertechnik Brand, various federal agencies, Findus-Hausverwaltung GmbH, Douglas Informatik GmbH, Mecklenburgische Versicherung.
Apr 2015 - Oct 2016
1 year 7 monthsIT Consultant and Pre-Sales
Kupper Computer GmbH
- System engineering, pre-sales and IT consulting primarily for network and security topics.
- Expertise with manufacturers such as HP/Aruba, Cisco, DELL, WatchGuard, Ubiquiti, VMware, Veeam.
- Clients: various city administrations in Saxony and Thuringia, CJD private schools, Spitzke, Charité Campus, LKA Berlin, Cottbus Chamber of Crafts, Jerichower Land emergency dispatch, HelloFresh, Fenstertechnik Brand, KROLL forwarding.
Dec 2012 - Mar 2015
2 years 4 monthsSystem Administrator Network
RBS-RoeverBroennerSusat
- Internal system engineering.
- 2nd/3rd level support and network administration for 12 locations.
- Migration and redesign of two companies into one network.
- New network design and implementation of IP and VLAN concepts.
- Deployment of new VMware clusters and backup structures.
- Management of internal systems like Cisco IronPort, Check Point firewall, Cisco ASA5550, Kemp load balancer, WatchGuard cluster, Alcatel PBX and introduction of VoIP.
- Introduction of NAC system and training of 1st level support.
Jun 2012 - Nov 2012
6 monthsNetwork Administrator
Autovision GmbH / Carmeq GmbH
- Internal helpdesk and client support.
- Network administration of the internal network.
- Connection to VAG.
- Alcatel PBX administration.
- Implementation of an IDS/IPS.
Jun 2009 - May 2012
3 yearsSystem and Network Administrator
Interoute Germany GmbH
- Microsoft and network infrastructure IT.
- Design of a new data center fire section.
- Project management and implementation of new client projects in managed service hosting.
- Capacity planning in the data center.
- Network designs for client projects.
- Clients: Schwarz, AirBerlin, YouGov, Sulake, Sevenload, Bayer CropScience, Sony Germany, Tradegate.
Jan 2009 - May 2009
5 monthsFreelancer Projects – System and Network Administrator
- LAN network and IT infrastructure.
- Siemens PBX systems.
- Clients: LBB, Berliner Bank and DTAG.
Mar 2001 - Feb 2008
7 yearsService Technician
Firma TSG
- Maintenance of ATMs and bank networks (LAN).
Aug 1996 - Jul 1997
1 yearPC Technician
Computer System 2000
- PC technology and repairs.
Languages
German
AdvancedEducation
Feb 2006 - Dec 2008
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Diploma, Distance Learning · Network Manager · Germany
Aug 1997 - Jan 2001
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Energy Electronics Technician – Industrial Engineering · Germany
Secondary School
Germany
Certifications & licenses
3CX Basic Cert
AEVO – IHK Trainer for IT Specialist
CERT+ Auditor for SME Infrastructures
CERT+ Engineer for SME Infrastructures
Cisco CCNA
Ekahau WLAN Design ECSE
Extreme Certified Expert Networking
Genua Genugate Specialist
IT Expert according to DGuSV for IT Security and IT Infrastructures
ITILv3 Foundation
Microsoft MCITP Enterprise
NIS2-Professional Auditor
Nutanix NPSR Sales Expert
Rapid7 Sales Essentials
Securepoint Expert for E-Mail Archiving
Securepoint NG UTM Firewall Expert
Synology Backup Architect
Synology DSM Architect
VMware vSphere 5.5
Veeam VMSP
Veeam VMTSP
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