H-Tech Supports
Network Administrator
H-Tech SupportsGermany10 days ago
Full-timeRemote FriendlyInformation Technology
Project Overview
  • Led the migration of a distributed WAN environment to a centrally managed and fully monitored SD-WAN platform.
  • Took ownership of existing Cisco-based LAN and WiFi infrastructures and successfully transitioned them to the new architecture during the project lifecycle.
  • Implemented a cloud-based Unified Communications (UC) platform delivered as a PaaS solution.
Key Responsibilities
  • Managed the full project lifecycle, including planning, design, implementation, and ongoing administration of Cisco-based network architectures.
  • Conducted in-depth analysis and assessment of existing network environments, including detailed review and validation of legacy configurations.
  • Designed and documented a new Layer 2 network architecture, including VLAN structure and IP addressing models.
  • Orchestrated the migration of branch offices and remote sites to the newly developed network design.
  • Configured and maintained Layer 2 and Layer 3 technologies and protocols.
  • Implemented and supported authentication and authorization services using TACACS+.
  • Provided operational support and troubleshooting for enterprise wireless networks (WLAN).
  • Managed Cisco wireless solutions, including IOS-XE controller–based environments and access points.
  • Collaborated closely with security, WAN, and cross-functional IT teams for seamless service delivery.
  • Produced comprehensive documentation, covering configurations, procedures, and end-to-end network topology diagrams.
Professional Profile
  • Strong hands-on experience with Cisco Catalyst platforms, particularly the Catalyst 9000 series and Cisco Catalyst Center (formerly DNA Center).
  • Extensive knowledge of Layer 2 and Layer 3 technologies, including STP, VLANs, OSPF, and BGP.
  • Practical experience with authentication protocols such as TACACS+ and RADIUS, ideally integrated with Cisco ISE.
  • Solid understanding of WLAN architectures, access point provisioning, and wireless security principles.
  • Proven track record in planning, executing, and managing network migration projects.
  • Competence with network analysis, monitoring tools, and performance troubleshooting.
  • Cisco certifications such as CCNP Enterprise or CCNP Wireless are beneficial.
  • Skilled in producing high-quality network documentation and standardized configuration templates.
  • Working knowledge of network security concepts is a strong plus.
  • Familiar with ITIL-based change management processes.


Key Skills

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