Christian Wolpert

• Proof of concept for outdoor zero-touch provisioning of access points using Cisco Catalyst Center
• Proof of concept for switch stack replacement (RMA) for C9300 and C9500 series switches using Cisco DNA Center / Catalyst Center
• Troubleshooting of day 0, day 1 and ongoing issues caused by claim files for zero-touch provisioning
• Client authentication and authorization troubleshooting using Cisco ISE
• Cisco DNA Center, Cisco WLC and Cisco ISE
• LAN and WLAN network design and planning based on existing HLD and LLD documents
• Implementation and rollout of networks ranging from one to 100 access switches
• C9300L, C9500 series switches, C9120 access points

• Cisco SDA design based on Cisco DNA Center
• Consolidation of WLAN SSIDs used in production
• Redesign of an existing WLAN solution for Wi-Fi 6 and Wi-Fi 6E
• Draft of a Cisco SDA PoC document for LAN and WLAN using Cisco DNA Center and Cisco ISE, and PoC for Meraki APs

• Review and re-design of an WLAN design for WiFi-6E
• Trouble Shooting RADIUS authentications
• AP configuration of an High Density WLAN network used in auditorium
• Evaluation of WLAN device roaming
• Ekahau AI Pro Site Survey
• Introduction of 802.1x for labor networks using Aruba Clear Path and Mobility Conductor

• AP layout and Re-Design of several existing as well as new shop, Predictive AP layout planning using Ekahau AI Pro
• Re-Design existing WLAN solutions for Voice-over-WLAN Service
• Evaluation of WLC configurations for 9800 WLCs
• Planning of AP Migration in Office buildings, distribution centers and storage buildings in several countries like DE, AT, HR, SK, IT, HR, PL
• Cisco WLC 5520 and WLC 9800
• Cisco AP 2802i Series, C91xy APs, Cisco AP4800i, Meraki MR36
• Trouble Shooting WLAN device roaming including
• Ekahau AI Pro Planning and Site Survey
• Evaluation of roaming subjects for mobile WLAN devices using iOS and Android OS
• WLAN Re-design for several shops for WiFi-6E for Meraki APs
• Cisco DNA Center
• Post Implementation Site Survey in several shops in greater Munich area
• Migration concepts for WiFi-6E in shops for dense urban areas

• RF re-design in Europe’s largest public WLAN, up to 600.000 WLAN devices daily
• Re-Design of existing WLAN solution in train coaches (ICE trains)
• Trouble shooting of RADIUS authentication
• AP Configuration for High Density WLAN network in train Coaches as well as in train stations
• Evaluation of WLAN device roaming
• Ekahau AI Pro Measurements as well as Netally G3

• Re-Design of an AP layout for a University in Switzerland
• Evaluation of Ekahau Site Survey measurements
• Re-configuration for High Density WLAN for university auditorium
• Configuration proposal for Cisco Meraki APs
• WLC v8.10.112.0
• WLC type 8410

• WLAN consulting, WLC configuration and RF design for autonomic Container Vehicles used in Container Terminals for WLAN client roaming
• WGB
• Cisco WLC 9800-CL configuration
• WLAN RF improvements, AP migration, WLC SW Upgrade, WLC HW migration concept
• Introduction of PRP (parallel redundancy protocol) in WLAN
• PoC for Cisco Meraki APs in Container Terminals
• WLAN spectrum analyses for several container terminals in DE
• Interference measurements using R&S Spectrum Packet rider FPH6, for LTE TDD as well as WLAN Interferences

• WLAN consulting and Cisco WLAN design, client roaming subjects
• QoS for voice over Wireless
• Global WLC architecture
• Trouble Shooing production WLAN topics
• Cisco Prime, Cisco ISE

• Design of WLCs, implementation and Re-Design, of existing and new WLC Cluster for 802.11ac High Density WLAN solutions for the COP23.de in Bonn world climate conference
• WLC migration from WLC 7500 Flexconnect AP towards 5520 WLC with local mode APs
• RF- Site Survey measurements using Ekahau
• Installation and operations of Cisco Prime v3.1
• Operation of the WLAN network with 28.000 concurrent WLAN clients during the COP in Bonn.

• Providing WLAN Service in the biathlon stadium in Kaltenbrunn / GAP for the DSC und DP Competitions

• Re-design of a WLAN for a new campus for 802.11ac wave 2
• Wireless endpoints
• Site survey management for production and office environment
• Authentication for employees and BYOD devices
• Guest access and proof of concept of a WLAN for 802.11ac
• Template production for Cisco Prime Infrastructure Version 3.1
• Radius Server Cisco ISE v2.1
• MSE v8.0.140

• Re-design of an existing WLAN network across four countries in Europe for 802.11ac
• About 40,000 wireless devices and 15,000 APs
• Site survey measurement and management for production and office environment
• Authentication of employee devices and BYOD devices using Cisco ISE
• WLAN guest access and proof of concept
• Migration and moving of several WLCs within a data center
• Upgrade Cisco Prime to version 3.x
• Radius Server Cisco ISE v2.1, v2.2 and v2.3
• WLAN NAC PoC

• Redesign and proof of concept for WLAN on a racetrack in the USA, new design of office WLANs for new and existing office buildings and car showrooms
• Upgrade of WLC and Cisco Prime
• RADIUS server Cisco ISE v1.2
• Cisco Prime Infrastructure

• New design, implementation and troubleshooting of WLAN networks used throughout Europe
• Redesign according to Cisco best practices
• Design, testing, implementation and troubleshooting
• RF analysis and optimization of complex industrial WLANs
• Site survey using Ekahau software
• Proof of concept and implementation of several WLANs with EAP TLS (802.1x) authentication
• Troubleshooting Cisco ISE and Cisco ACS 5.3
• Troubleshooting with Wireshark for workgroup bridge roaming
• Template drafting for Cisco Prime 2.0
• Meraki AP RF planning

• New design, implementation and troubleshooting of LAN and WLAN networks at various locations
• Development and introduction of operations and security concepts
• IP redesign for L3 core and distribution layers within the LAN
• Design and implementation of data center solutions based on Nexus 2000, 5000/5500 and FlexPod configurations
• Proof of concept and implementation of several WLANs with EAP TLS authentication, troubleshooting Cisco ISE
• Design and implementation of Cisco ISE
• Proof of concept and implementation of WLAN for various handheld scanners and devices (macOS, iOS, Windows 7, Windows XP)
• Migration planning from WCS to Cisco Prime
• Baselining configurations of various Cisco switches and routers
• Recommendation and selection of Cisco hardware (switches, APs, WLCs) as well as IOS software

• Enhancement of existing network environments in an MPLS network for a public customer (Canton of Zurich)
• Planning, design, testing and implementation of a routing concept for a redundancy solution of two security gateways in an MPLS network
• Creation, lab testing and implementation of a QoS (Quality of Service) concept for the MPLS network for voice, video and data
• Creation and execution of system tests in a lab for an 802.1x concept for WLAN on a Cisco basis
• Planning and implementation of VRFs and VLANs for various customer connections
• Planning, coordination and execution of a relocation of two core sites

• Gathering and recording the current state of IT security and networks for data and telecommunications
• Creation of routing concepts for the OSPF routing protocol
• VLAN and IP address planning
• Concept, design and development of network structures for campus enterprise networks based on BSI basic protection
• Creation of the basic configuration and alignment of customer requirements with design guidelines
• Coordination of installation with the customer on site
• Implementation of routing changes for Layer 2 and Layer 3
• Troubleshooting for VoIP, data and multicast
• Documentation and handover of projects to operations
• Adherence to quality criteria and reporting to overall project management
• Planning all project steps with MS Project Server in a hierarchical multi-user organization

• Served as project manager for the tender of a customer project covering mobile, fixed-line, data network, and IT security services
• Prepared tender documents
• Supported delivery in the presales phase for proposals
• Coordinated and developed concepts and service descriptions
• Aligned service content in proposals
• Coordinated network designs
• Managed internal suppliers

• Coordinating project phases for the implementation and operational setup of a communication test system (KPS) for AM/FM, GPS and GSM radio services for the new C-Class (BR 204)
• Defining, building, aligning and implementing 2nd level support activities and processes based on the system architecture and ITIL between production, maintenance at the individual plants, and the supplier, DaimlerChrysler Research and Technology
• Coordinating the further development of the communication test system for additional services, e.g., Keyless-Go, DAB, TV and SDARS
• Coordinating KPS adaptations for different model series
• ITIL Service Delivery Service Level Management process
• ITIL Service Support Incident Management process

• Coordinating projects, reporting, design, planning, implementation, documentation and supplier management of a global IP data network using Cisco Systems network components for the Columbus module of the International Space Station (ISS)
• System development, design, planning, alignment, coordination, execution, documentation and testing of IP networks for data and voice, including multicast applications
• Creating OSPF routing concepts
• Conducting pre-installation site acceptance tests
• Coordinating node installations at the end customer and the international partners of the ESA (NASA and RSA)
• Configuring and troubleshooting Cisco Systems network components (routers, switches and firewalls)
• Developing operational and maintenance concepts and emergency plans for the Cisco Systems IP network
• Design, planning, alignment, coordination, execution and documentation of end-to-end IP acceptance tests, system tests and load tests
• Design, planning, alignment, coordination, execution and documentation of software acceptance tests and software upgrades
• Coordinating all activities of the various subsystems in the ground segment of the Columbus module
• Defining and aligning ground operations processes and procedures
• ITIL Service Support processes: Release, Change and Problem Management
• ITIL Service Delivery processes: Availability and Service Level Management

The consultant has extensive expertise and broad experience, including in related areas. Through regular internal and external training, he continuously expanded his knowledge and applied it effectively in daily practice. The consultant works independently based on clear, well-thought-out planning and consistently aims for optimal solutions. The quality of his work was always to our fullest satisfaction. In new situations, the consultant proved to be exceptionally flexible. He developed many successful and implementable concepts and solutions. In doing so, he took all necessary measures independently and demonstrated above-average commitment to our company. Even under high workloads, the consultant always maintained an overview. The consultant was extremely trustworthy and always ready to assume full responsibility. He also showed a high level of cost awareness. The agreed and self-set goals were consistently achieved by the consultant. Thanks to his good communication skills, the consultant was able to convincingly present even complex matters. His manner of dealing with people was marked by objectivity, friendliness and openness. He was equally valued and recognized by superiors.

• BSS planning guidelines and BSC dimensioning requirements
• Supplier management
• Project management for BSS software and planning
• Project management of system technology upgrades and replacements
• Participation in technical system tenders (RfI and RFQ) and vendor negotiations for GSM/GPRS/UMTS BSS and UTRAN hardware and software
• ITIL Service Delivery Process: Capacity Management
• ITIL Service Support Process: Release and Configuration Management
• Process design and definition
• Internal customer management
• Leadership of technology working groups
• Acting as deputy group manager

• Radio Communications and High Frequency Engineering