Cisco Catalyst Center - SDA Wireless Consultant

Implementation of Cisco Catalyst Center wireless network within an Bundesministerium in Berlin focusing on wireless topics.

Trouble shooting for day 0, 1 and day N templates for zero touch provisioning for switches and access points. Client AuthC and AuthZ trouble shooting utilization of Cisco ISE. Wireless Guest Access using Cisco ISE Captive Portals. Ekahau Site Surveys, WLAN Survey Reports. Cisco DNA-Center, Cisco WLC and Cisco ISE. LAN and WLAN network design and planning based on existing HLD and LLD documents. C9300L and C9500 Series Switches, CW9166i APs

• Design for Cisco SD Access for LAN and WLAN based on Cisco Catalyst-Center and Cisco ISE
• PoC draft for SD-Access Design
• PoC draft for Meraki AP design

• Review WLAN design for WLAN 802.11ac/802.11ax and WiFi-6E
• Re-Design of several existing WLAN solutions for WIFI6 and WiFi-6E used office and distribution buildings
• Trouble Shooting for WLAN clients roaming using Huawei and Extreme Switches and SonicWall Access Points (LAN Subject - ARP issue)
• Concept for Cisco Meraki APs
• AP configuration for High Density WLAN networks used in office and distribution buildings
• Evaluation of WLAN Client roaming issues
• Ekahau AI Pro Site Surveys
• Introduction of 802.1x authentication for Bar Code scanner

• WLC9800-L Installation as a HA
• Re-Design of an existing WLAN Network for WIFI-6E
• WPA3 WLAN SSIDs
• Trouble shooting RADIUS authentications
• AP configuration for High Density WLAN Networks used in Offices
• Evaluation of WLAN client roaming
• Ekahau AI Pro Site Survey for Cisco C9136i APs

• WLAN Consulting
• WLC configuration and RF design for logistic buildings
• WLAN RF improvements
• AP migration
• WLC SW Upgrade, WLC HW migration concept

• Re-design of an existing WLAN Network
• Design and AP layout for Voice over WLAN service
• Evaluation of serval different WLC configurations
• New Planning of AP layout for around 40 locations in several different buildings
• Cisco WLC 5520
• Cisco AP 2802i Series
• Ekahau Pro

• Generic WLAN planning and simulation using Ekahau for several bottling plants using Realwear HMT-1 and MS HoloLens2
• Evaluation of Ekahau Site Survey measurements
• Redesign of AP layout
• EWC Neu configuration for video over WLAN Solutions
• EWC v16.12 und v17.1

• WLAN consulting and Cisco WLAN design
• Client roaming topics
• QoS for voice over wireless for high rack storage and distribution buildings
• WLAN design for die transmission of hugh data amounts between parking and moving vehicles (> 20 GB)

• Transition operations of an Germany car manufacturer for the wireless topics
• Trouble Shooting productions WLAN

• Re-Design of WLCs for several countries for 802.11ac
• WLC Migration from 5508 towards 5520
• Site Survey Measurements in productions environments
• Authentication of Win7, Win10 and iOS devices using Cisco ACS v5.8 and Cisco ISE for PEAP and EAP-TLS
• Migration of Cisco ACS towards Cisco ISE, v2.4, ISE upgrade on v2.6
• Cisco ISE for 802.1x (NAC) authentication for wired and wireless devices
• Guest WLAN based on Cisco ISE
• Installation of Cisco Prime v3.4 until v3.7
• Low cost iPerf Performance Test based on Raspberry Pi - wired and wireless

• Re-Design of a WLAN for a new Campus for 802.11ac wave 2
• Wireless Endpoints
• Site Survey Management for production und Office environment
• Authentication for employees and BYOD devices
• Guest access and Proof of Concept of a WLANs für 802.11ac
• Template productions for Cisco Prime Infrastructure Version 3.1
• Radius Server Cisco ISE v2.1
• MSE v8.0.140

• Re-Design of an existing WLAN network for four countries in Europe for 802.11ac
• Of about ca. 40,000 wireless devices and 15,000 AP
• 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 on version 3.x
• Radius Server Cisco ISE v2.1, v2.2 and v2.3
• WLAN NAC PoC

• Re-Design and Proof of Concept für WLAN on a race track within the USA, new design of Office WLANs for new and existing office building and car show rooms
• Upgrade of WLC and Cisco Prime
• Radius Server Cisco ISE v1.2
• Cisco Prime Infrastructure

• New design, implementation, trouble shooting of WLAN Networks used throughout Europe
• Re-Design depending on the Cisco best practice
• Design, testing, implementation and trouble shooting
• RF analyzing and optimization of complex industrial WLANs
• Site Survey using Ekahau Software
• Proof of Concept and Implementation several WLANs with authentication based on EAP TLS (802.1x)
• Trouble Shooting Cisco ISE and Cisco ACS 5.3
• Trouble Shooting with Wireshark for Workgroup Bridge Roaming
• Template Drafting for Cisco Prime 2.0
• Meraki AP RF Planning

• New design, implementation, trouble shooting of LAN and WLAN Networks used on several different locations
• Development and Introduction of operations and security conception
• IP Re-Design for L3 Core- and Distribution layer within the LAN
• Design and implementation of Data Center Solutions based on Nexus 2000, 5000/5500, FlexPod configuration
• Proof of Concept was well as implementation several WLANs based with authentication based on EAP TLS, trouble Shooting Cisco ISE
• Design and Implementation of Cisco ISE
• Proof of Concept and implementation of WLAN for several hand scanner and WLAN devices (Mac OS X, iOS, Win7, WinXP)
• Migration planning of WCS towards Cisco Prime
• Baselining different configurations several Cisco switches and router
• Recommendation and Selection of Cisco Hardware (Switches, APs, WLCs ) as well as IOS software

• Development of existing network environments of an MPLS network for a public customer (Kanton Zürich)
• Planning, design, testing and implementation of a routing concept for a redundancy solution of two security gateways in an MPLS network
• Creation, testing in laboratory and implementation of a QoS concept for the MPLS network for voice, video and data
• Creation and execution of system tests in a laboratory for an 802.1x concept for WLAN on Cisco basis
• Planning and implementing vrf and vlans for different customer connections
• Planning, coordination and execution of a relocation of two core locations

• Recording and capturing the current situation for IT security and networks for data and telecommunications
• Creation of routing concepts for OSPF routing protocol
• VLAN and IP address planning
• Design and development of network structures for campus enterprise networks based on BSI basic protection
• Creation of basic configuration and coordination of customer requirements with design guidelines
• Coordination of installation with the customer on site
• Implementation of routing changes for Layer2 and Layer 3
• Troubleshooting for VoIP, Data and Multicast
• Documentation and handover of projects to operations
• Compliance with quality criteria and reporting to overall project management
• Planning of all project steps with MS Project Server in a hierarchical multi-user organization

• Project manager for the tender of a customer project for mobile services, fixed network, data networks and IT security
• Creation of tender documents
• Support of Delivery in the presales phase for offers
• Coordination and creation of concepts and service descriptions
• Coordination of service contents of offers
• Coordination network concepts
• Control of internal suppliers

• Project coordination for implementation and operational setup of a Communication Test System (KPS) for radio services AM/FM, GPS and GSM for the new C-Class (BR 204)
• Definition, setup, coordination and implementation of 2nd Level Support activities and processes based on system architecture and ITIL between production and maintenance of individual plants and supplier DaimlerChrysler Research and Technology
• Coordination of Communication Test System enhancement for additional services e.g. Keyless-Go and DAB, TV and SDARS
• Coordination of KPS adaptation to various model series
• ITIL Service Delivery Service Level Management Process
• ITIL Service Support Incident Management Process

• Project coordination, reporting, design, planning, implementation, documentation and supplier management of a worldwide IP data network with Cisco Systems network components for the Columbus module of the International Space Station ISS
• System development, design, planning, coordination, execution and documentation and testing of IP networks for data and voice, also for multicast applications
• Creation of OSPF routing concepts
• Execution of pre installation site acceptance tests
• Coordination of node installation at end customer and international ESA partners (NASA and RSA)
• Configuration and troubleshooting of Cisco Systems network components (routers, switches and firewalls)
• Creation of operations and maintenance concepts and contingency planning for Cisco Systems IP network
• Design, planning, coordination, execution and documentation of end-to-end IP acceptance, system tests and load tests
• Design, planning, coordination, execution and documentation of software acceptance tests as well as software upgrades
• Coordination of all activities of various subsystems in Ground Segment of Columbus Module
• Definition and coordination of Ground Operations processes and procedures
• ITIL Service Support Processes Release, Change and Problem Management
• ITIL Service Delivery Processes Availability and Service Level Management

• BSS planning guidelines and BSC dimensioning specifications
• Supplier management
• Project management for BSS software and BSS planning
• Project management of system technology upgrades and replacement
• Collaboration in system technology tenders (RfI and RfQ) and manufacturer negotiations for GSM / GPRS / UMTS for BSS and UTRAN hardware and software
• ITIL Service Delivery Process Capacity Management
• ITIL Service Support Process Release and Configuration Management
• Process design and process definition
• Internal customer management
• Leadership of technology working groups
• Deputy group leader