Johannes Lessmann

Senior Architect, Technology Architecture + Strategy Group at Deutsche Telekom

Bonn, North Rhine-Westphalia, Germany

About

Experience

  • Deutsche Telekom (Bonn Area, Germany)
    • Senior Architect, Technology Architecture & Strategy Group
      2018 - Present · 8 yrs 6 mos

      technology scouting, responsible for definition of target architectures and architectural guidelines across all network domains in Germany and beyond, special emphasis on network automation and orchestration, migration strategy for future network evolution, interface between various company stakeholders

    • Senior Expert Strategic Network Planning
      2017 - 2018 · 1 yr

      technology scouting, definition of target architectures for fixed and mobile core networks, migration strategy for future network evolution (incl. SDN, NFV, 5G), infrastructure planning, project management for planning projects, interface between various company stakeholders, innovation projects

  • NEC Europe Ltd (9 yrs 1 mo)
    • Manager, SDN & NFV Research and Standards
      2015 - 2017 · 2 yrs

      management of research and standardization group (~20 staff members), project management, R&D strategy for SDN and NFV, standards coordination for ONF and ETSI NFV, customer collaborations

    • Principal Consultant, Network Analytics and Optimization
      2013 - 2015 · 2 yrs

      Technical Advocacy (customer presentations, tutorials, industry conference talks) Acquisition and execution of consulting projects for analysis and optimization of carrier networks Roadmap evolution for network analytics and optimization toolkit

    • Senior Researcher
      2011 - 2015 · 4 yrs

      Technical Advocacy (customer presentations, tutorials, industry conference talks) Project Management (internal / EU / customer projects) wireless and converged mobile backhaul networks, resilience, QoS, self-organization in next generation mobile networks, mobile cloud

  • Chair, SG "Heterogeneous Wireless Network Management" at IEEE 802.21
    Nov 2009 - Nov 2010 · 1 yr 1 mo

    Develop media-independent link control interface to enable management of (mesh, backhaul) networks made of different wireless technologies

  • Siemens Fellow at Siemens Enterprise Communications
    2004 - 2008 · 4 yrs

    Develop cross-layer solution stack for real-time communications in wireless multi-hop ad hoc enterprise networks