Software defined networks Architect

Posted: May 4, 2022

Location: Košice, Slovakia

Company: Deutsche Telekom Group

Company: Deutsche Telekom IT & Telecommunications Slovakia s.r.o.
Job ID: 112117
Location: Slovakia : East Slovakia : Košice
Employment type: 01 - Full Time - Regular
Languages required: English


General description

Provision, deploy, manage, and program networks with software-defined networking. In this centralized approach to network management, the underlying network infrastructure is abstracted from applications. Software Defined Networks (SDN) provides choice in automation and programmability across data centers SD-LAN, campuses, and wide-area networks SD-WAN.
The role of SDN in cloud computing lets users respond quickly to changes. SDN management makes network configuration more efficient and improves network performance and monitoring.
Candidate will be responsible to design new solution to fulfill customer requirements and to execute functionality testing and implementation of the developed solution. The role includes consultancy with operational teams, analysis of customer demands, conversion of the requirements into a technical specification.



  • Design, develop, and enable deployment of a software-defined network architecture for the global compute platform.
  • Defining the solution, the appropriate delivery approach, and the implementation costs.
  • Provide high-level / detailed design solutions and support function for SD-WAN, SD-LAN.
  • Identify and evaluate the integration of new technologies for the SD-WAN including additional automation to respond to shifting demand, dynamic reconfiguration to address security threats, and analysis of traffic patterns to predict future needs.
  • Keep abreast of latest developments of SDN, container networking fields and evaluate cutting edge technologies and introduce new features to constantly improve operational reliability, security, scalability and performance of the network platform.
  • Create and execute test-cases for new solution to enable quality testing of this solution.
  • Develop architecture, design specification of network components and actively participate in peer review of other platform components.
  • Architect and design APIs to expose platform services to end users.
  • Troubleshoot complex network performance issues with other network engineers to identify root cause and recommend solutions.
  • Collaborate with other squads within Deutsche Telekom Group organization on services and applications integration and optimization, advising on optimal use of SD-WAN resources to meet customer needs.
  • Exercise agile methodologies through all phases of software development.

Role offers you

  • Working on unique worldwide project with cutting edge technologies.
  • Team full of subject matter experts in various fields (architects, designers, engineers).
  • Training program for special technologies required by project owners.



  • 3-5 years of experience within the field.
  • Knowledge of WAN technologies including BGP and other routing protocols, MPLS, tunneling, QoS, and SD-WAN technology.
  • Understanding of core Network technologies (Routing, Switching, Firewalls, etc.).
  • Understanding of SDN architecture and technology (control plane, data plane, management plane, orchestration) and experience with open source or commercial SDN controllers.
  • Hands-on knowledge with scripting, preferably shell (Bash) and Python.
  • Service orchestration.
  • Understanding of VLAN and tunneling technologies such as VXLAN, GRE.
  • Experience with virtualization, VPNs, NFV and APIs.
  • Knowledge of DevOps processes and automation.
  • Understanding of network management tools/protocols such as snmp, traps, and syslog.


  • English- mandatory CEF level B2



  • Possibility of Teleworking or Home office
  • Cafeteria - individual financial benefit
  • Trainings and development opportunities (Coursera, Percipio full access for free)
  • Pension savings contribution
  • Extra vacation days
  • Referral bonus /financial/
  • Discounts at various providers in Košice
  • Team buildings online
  • Work-life Program and Coaching
  • Health Weeks
  • Sport Activities
  • Weekend Events
  • Doctors at workplace
  • Credit card
  • Rotations possibilities



Final salary is negotiable. 
We are offering base salary depending on seniority level and previous experience of candidate. In addition to base salary we provide variable part and other financial benefits. Base salary will not be lower than 2500 €/brutto.


Contact: Simona Vranovská