Lead the organization's technology strategy, driving innovation, scalability, and alignment with business objectives. Oversee architecture, development, and implementation of secure, high-performance solutions while managing a technology-diverse team.Define and execute technology roadmaps in collaboration with executive leadership and stakeholders.Lead enterprise architecture initiatives, ensuring seamless integration across network, security, and applications.Drive advancements in SD-WAN, network programmability (Cisco Viptela, Fortinet, NSO, Netconf/YANG), and Software Defined Networking (SDN).Evaluate new technologies to drive a company's innovation in AI and IoT and maintain a competitive network edge solutionServing as a strategic leader, leveraging technical expertise and vision to enable growth and deliver transformative solutions.

Lead and mentor a high-performing team of architects and engineers, fostering innovation and collaboration to deliver cost-effective solutions while maintaining high performance and security standards. Align network architecture strategies with business objectives in close collaboration with the executive team. Collaborate with Product Managers, Solution Architects, and 3rd-party providers to understand and translate business requirements. Create comprehensive network design, architecture, and workflow documents. Participate in Agile process definition and contribute as a member of the SAFE LACE team. Demonstrate expertise in Cisco Viptela and Fortinet SD-WAN architecture, including Cisco Network Service Orchestrator (NSO) with Netconf/YANG and service data modeling, as well as familiarity with Layered Services Architecture (LSA). Possess hands-on experience and in-depth knowledge in SD-WAN, MPLS VPN, Firewall, Network Security, networking routing protocols, routers and switches, and TCP/IP communication protocols. Exhibit proficiency in network programmability skills and Software Defined Networking (SDN), including Jinja2, REST APIs, NETCONF, YANG, JSON, and XML. Effectively communicate with various stakeholders to translate business requirements into technical design and specifications, collaborating with development teams to drive feature implementation.

• Leading the international team of Architects (Slovakia, Hungary, US)• Design, test, develop and enhance network services in ngena SD-WAN service profile• Work closely with the Product Managers, Solution Architects and 3rd party providers to understand the business requirements• Analysis of service orchestration improvement options and contributing technical root cause analysis• Create network design, architecture, and workflow documents• Working experience with Cisco Viptela SD-WAN architecture• Network Automation/Orchestration skillsets in frameworks and toolsets, including Cisco Network Service Orchestrator (NSO) with Netconf/YANG and service data modelling, and familiar with Layered Services Architecture (LSA)• Hands-on experiences, in-depth knowledge, and design expertise for SD-WAN, MPLS VPN, Firewall, Network Security, Networking routing protocols, Routers and Switches and TCP/IP communication protocols• Working experience with Jinja2 templates preparation• Network programmability skills / Software Defined Networking (SDN), Jinja2, REST APIs, NETCONF, YANG, JSON and XML • Cisco and Industry Cloud computing (i.e. Openstack, AWS, GCP), Data Center Virtualization, Storage and Networking solutions, NFV and MANO service architecture, Docker, Kubernetes VIM, ESC, NFVO, VNFM and SD-WAN Controller• Communication with different parties and transform business requirements into technical design and specifications and work with the development team to drive for a feature implementation

- Lead technical architect responsible for architecture of Backbone, OOB and In-band management platform, service underlay network for NGENA project ( http://www.ngena.net/ )- Responsible for IPv6 and IPv4 design and Regional Internet Registries management (RIPE)- Design responsible for network and network security components.- Responsible for naming convention- Researching, developing and determining the business requirements, propose the design options to management and developing implementation plan- I am a lucky guy to lead the group of outstanding network and network security experts to design and build all necessary components of management platform

- Lead technical architect responsible for architecture of OOB and In-band management platform of NGENA project ( http://www.ngena.net/ )- Technically leading group of solution designers to design and build all necessary components of management platform (like AAA, Monitoring/Logging, Backup, secure remote access, monitoring of 3rd. party's remote connection, etc.) - Responsible for IPv6 and IPv4 design- Design responsible for network and network security components.- Researching, developing and determining the business requirements, propose the design options to management and developing implementation plan

- Acting as technical lead for solving and coordinating activities connected to build of OOB Network and preparation of Operations Tools for Cloud product.- Establishing the roadmaps and provide the deliverables in order to fulfill the project scope.- Work with vendor on correcting critical product defects.- Provide a framework for knowledge sharing and training of developers and operations- Working as a Network DevOps for the OpenStack based Cloud product

Participating in technical design of T-Systems Corporate Video Exchange Service Managed Business-to-Business TelePresence service.- Develop technical design, policies, configuration standards and documentation for UC and Video technologies for Service Provider platform as well as global enterprise deployments- Preparing and running complex test scenarios to avoid future problems in productions- Creating and maintaining technical documentation like engineering manuals, Architecture documents, implementation guides- Direct technical interface to vendorMain focus in technologies:- SIP, TIP, H.323, MGCP, BFCP- Cisco TelePresence Exchange- Cisco Unified Call Manager- Telepresence endpoints- Cisco TelePresence Video Communication Server (VCS)- Cisco Networking components - Routers, Switches, ASA Firewall

Level 2 and 3 Voice Network support for customer with 120000 IP phones installed.Main focus in technologies:CUCMCisco Voice GWPGW

Level 2 Voice Network support for various customers.Main focus in technologies:CUCMCisco Voice GWTelepresence

Main Administrator of network in Students Dormitory. I was responsible for:- network architecture- group of 6 technicians which operates almost 600 users network connections.- preparing feature plans and upgrading network components- configuration of servers and network componentsI was also part of the Student Council in the Students Dormitory.