Recommended expert

Tony Rosolek

Wireless LAN Expert | CWNE #356 | CCNP-Enterprise

Tony Rosolek
Frankfurt (Oder), Germany

Experience

May 2025 - Present
10 months

Network Expert

Self-employed

  • Consulting and execution of migration from Cisco AireOS to Cisco IOS-XE controller
  • Solution design
  • Configuration and staff training
  • Products: Catalyst Center, Cisco controllers and IOS and COS access points, 9800-40, 5520, 8510, 9120, 9136, 9166, Catalyst switches, Aruba Clearpass
  • Keywords: Tags, profiles, SSIDs, 802.1X authentication, captive portal, Identity PSK (iPSK), VLANs, troubleshooting, automation, RESTCONF, NETCONF, YANG
Jul 2024 - Mar 2025
9 months

Network Architect

Self-employed

  • Network consulting and architecture, concept creation, hardware selection, planning and carrying out PoCs
  • Definition, testing and documentation of configuration, migration strategy, implementation, network redesign
  • Products: Cisco Catalyst Center, Cisco Catalyst switches, Cisco Catalyst access points, Cisco ISE, Trellix agent, Cisco Secure Client, AnyConnect, FortiGate
  • Keywords: BSI, KRITIS, Cisco SDA/SDN, SD-Access, Security Group Tags (SGT), virtual networks, software-defined networking (SDN), microsegmentation, macrosegmentation, NAC, onboarding, 802.1X, LISP, VXLAN, WLC, MACsec
May 2024 - Jun 2024
2 months

Network Expert

Self-employed

  • WLAN consulting, concept creation, migration strategy, inventory, documentation
  • Products: Sophos, Huawei iMaster NCE-Campus, Huawei Cloud, CloudEngine 5730, AirEngine 5700, Cloud AP
  • Keywords: BSI NET.2.1 WLAN operation, NAC, 802.1X, PoE, SSIDs, PPSK, BYOD, captive portal, knowledge transfer
Aug 2023 - Aug 2023
1 month

Cisco WLAN Expert

Self-employed

  • Consultation on WLAN controllers and access points, configuration review against vendor guidelines and recommendations, troubleshooting 802.1X authentication
  • Tips and tricks for troubleshooting
  • Products: Cisco Catalyst, Cisco access points and Catalyst 9800 WLAN controllers
  • Keywords: SSID, consulting, 802.1X authentication, software updates, eduroam, certificate errors, EAP-PEAP, AAA server
Mar 2023 - Present
3 years

Network Architect

Self-employed

  • Architect for the WLAN service, creation of high and low level design, LAN and WLAN consulting, member of the technical staff
  • Creating and testing configuration guidelines, further development of access services, troubleshooting, operations manual
  • Products: Cisco IOS-XE, Cisco 9800, Cisco 9000, Cisco DNA Center, Catalyst Center, Cisco ISE, embedded WLAN controller, Cisco TrustSec, ASR 1002
  • Keywords: Cisco SDA/SDN, SD-Access, Security Group Tags (SGT), virtual networks, software-defined networking, microsegmentation, macrosegmentation, NAC, BSI, KRITIS, onboarding, 802.1X, LISP, VXLAN, eWLC, MACsec, guest portal, change of control, secure syslog
Mar 2023 - Present
3 years

Network Architect and IT Consultant

Self-employed

  • Requirements analysis in the network area, consulting for LAN, WAN, WLAN and NAC, creating network architecture
  • Selection of new hardware and software, selection and evaluation of vendors and network service providers
  • Products: current network portfolio from Aruba, Cisco, Meraki, Umbrella, Extreme Networks, Ekahau and Fortinet (FortiGate, FortiSwitch, FortiNAC)
  • Keywords: dynamic VLAN and role assignment, cloud management, network segmentation, firewall, VPN, IDS/IPS, scaling, low-touch deployment, automation
Dec 2022 - Jan 2023
2 months

Cisco WLAN Expert

Self-employed

  • Consulting and migration of Cisco AireOS to Cisco IOS-XE controllers, solution design, configuration and training staff
  • Products: Cisco controllers and IOS and COS access points, 9800-CL, 5520, 8510, 9120, 3802, 3502, Catalyst switches, VMware vSphere
  • Keywords: tags, profiles, SSID, 802.1X authentication, captive portal, VLANs, IPv4, licensing, consulting, software upgrade, troubleshooting, regex filter
Nov 2022 - Apr 2023
6 months

LAN and WLAN Network Expert

Self-employed

  • Consulting in LAN and WLAN, support for migration from Cisco AireOS to IOS-XE
  • Replacing standalone access points with controller-based mesh access points, design, software management, staff training, selection of new WLAN antennas, support with troubleshooting
  • Products: Cisco Catalyst, Cisco Nexus, Cisco access points (standalone), Cisco Prime, WLAN bridges, macmon, Wireshark, Cisco 1572eac, 9800-L, 2802, 2702, 3802
  • Keywords: tags, profiles, SSID, 802.1X authentication, captive portal, VLANs, IPv4, licensing, consulting, troubleshooting, software upgrade
Nov 2022 - Nov 2022
1 month

WLAN Network Expert

Self-employed

  • Strategy consulting in WLAN, new hardware, software, design, virtualization
  • Products: Cisco Catalyst, Cisco access points and WLAN controllers, VMware
  • Keywords: SSID, 802.1X authentication, captive portal, software upgrade, consulting, production, guest and office networks, firewall, network segmentation, RADIUS authentication, WLAN simulation
Aug 2022 - Aug 2022
1 month

LAN and WLAN Network Expert

Self-employed

  • Troubleshooting performance issues and network outages
  • Products: Cisco Catalyst, Cisco Nexus, Cisco access points (standalone), Cisco Prime, WLAN bridges, macmon, Wireshark
  • Keywords: log analysis, packet capture, packet analysis, CPU, spanning tree, redundancy, software bugs
Mar 2022 - Dec 2022
10 months

LAN, WLAN and Security Expert

Self-employed

  • Took over network operations from another service provider, planned and carried out migration and transition, documentation and acceptance tests, 2nd and 3rd level support, created operations manual
  • Products: Extreme Networks WLAN (IdentFi, Campus Controller, Access Points), Cisco Switching (Catalyst, Nexus, Small Business), Barracuda (F18, Control Center), Genua (Genugate, Genuscreen, Genucenter), Ivanti, Entuity, Cisco DCNM
  • Keywords: administration, operational support, incident management, data center, facilities, SINA workstations, WLAN scanners, ECOS bootstick, spanning tree, virtual port channel (vPC), firewall, VPN, packet filter, application level gateway, ITIL, proxy server, email security, spam
Aug 2021 - Aug 2021
1 month

Trainer in Wireless Technologies

Self-employed

  • Created and delivered online training
  • Products: PowerPoint, Wireshark
  • Keywords: Bluetooth, RFID, ZigBee, Z-Wave, BLE, NFC, EnOcean, modulation, WLAN, wave properties, physics, standards organizations, signal behavior, antennas, receiver sensitivity, 2G/3G/4G/5G, DECT, microwave radio, Tetra
Jun 2021 - Jun 2021
1 month

WLAN Troubleshooting Expert

Self-employed

  • Troubleshooting and resolving issues with WLAN scanners
  • Products: Cisco (Catalyst 9800/9115/9117/1562), Ekahau, Datalogic (Skorpio x5), Zebra (MC3300), Wireshark
  • Keywords: site survey, troubleshooting, creating test plans and running tests, packet capture and analysis with Wireshark, reporting, 802.11r fast transition, developing workarounds
May 2021 - Jun 2021
2 months

Architect for New WLAN Concept

Self-employed

  • Current state assessment, concept development, target architecture description, low-level design, planning PoC and pilot, test matrix
  • Products: Cisco (Catalyst 9800/9100), Meraki (MR), Aruba (Central), Imagotag, Hanshow, MS Visio
  • Keywords: guest WLAN, service WLAN, electronic shelf labels (ESL), 'pick by voice', WLAN coverage planning, 802.1X authentication, Clearpass, PoE, ZigBee
Apr 2021 - Present
4 years 11 months

LAN and WLAN Network Expert

Self-employed

  • Consulting in LAN and WLAN, supporting migration from Cisco AireOS to IOS-XE
  • Creating WLAN design, writing operations manual and concepts, migration strategy, mesh access points, software management, staff training
  • Selecting new hardware and software, troubleshooting support, liaising with vendor TAC, bug reports, workarounds, creating test plans and migration strategies
  • Products: Cisco C9800-80, C9800-L, 9120, 9166, 9164, 9162, 2802, 2702, 7925, 8821, Cisco Catalyst Switches, Cisco Prime, Cisco Spaces, Cisco DNA, WLAN Bridges, Cisco ISE, Wireshark, Ekahau, Hamina, Zebra, Honeywell, Talkman, DLOG
  • Keywords: tags, profiles, SSID, 802.1X authentication, captive portal, VLANs, IPv4, Cisco Smart Licensing Satellite Server, software upgrades, consulting, troubleshooting, external antennas, Ekahau heatmapping, client bridges, location tracking, indoor navigation, directional antennas, Identity Services Engine, RADIUS profiling, access lists, web authentication, SSO, high availability, WLAN telephony, seamless roaming

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (5 years).

Information Technology

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (5 years), Customer Service (5 years), Procurement (3 years), Operations (1 year), and Project Management (1 year).

Information Technology
Customer Service
Procurement
Operations
Project Management

Summary

Tony Rosolek is the ideal contact for all topics related to LAN and WLAN. He is one of only 13 Certified Wireless Network Experts (CWNE) in Germany and holds the most important certification in the WLAN field.

Consulting, design, operation, and troubleshooting of complex enterprise networks are just a few areas where he can add significant value. He understands both the bits and bytes of various network protocols and can communicate effectively at the CxO level. Thanks to his blend of communication and technical skills, understanding business requirements and turning them into technical solutions are among his strengths.

Languages

German
Native
English
Advanced
Polish
Elementary

Education

Sep 2002 - Jul 2005

Deutsche Telekom AG

Apprenticeship as an IT systems electronics technician, IHK certificate · IT systems electronics technician · Frankfurt an der Oder, Germany

Aug 1992 - Jul 2002

Primary and secondary school

Secondary school diploma · Frankfurt an der Oder, Germany

Certifications & licenses

CWISA Certified Wireless IoT Solutions Administrator

cwnp®

CWNE #356 Certified Wireless Network Expert

cwnp®

CWAP Certified Wireless Analysis Professional

cwnp®

CWDP Certified Wireless Design Professional

cwnp®

Cisco CCNP Enterprise Cisco Certified Network Professional Wireless

Cisco®

Cisco CCNP Wireless Cisco Certified Network Professional Wireless

Cisco®

Cisco Certified Specialist: Enterprise Core, Enterprise Wireless Design and Enterprise Wireless Implementation

Cisco

CWSP Certified Wireless Security Professional

cwnp®

CWNA Certified Wireless Network Administrator

cwnp®

Cisco CCNA Wireless Cisco Certified Network Associate Wireless

Cisco®

Cisco CCNA Routing and Switching Cisco Certified Network Associate Routing and Switching

Cisco®

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Tony based?

Tony is based in Frankfurt (Oder), Germany.

What languages does Tony speak?

Tony speaks the following languages: German (Native), English (Advanced), Polish (Elementary).

How many years of experience does Tony have?

Tony has at least 5 years of experience. During this time, Tony has worked in at least 10 different roles and for 1 company. The average length of individual experience is 4 months. Note that Tony may not have shared all experience and actually has more experience.

What roles would Tony be best suited for?

Based on recent experience, Tony would be well-suited for roles such as: Network Expert, Network Architect, Cisco WLAN Expert.

What is Tony's latest experience?

Tony's most recent position is Network Expert at Self-employed.

What companies has Tony worked for in recent years?

In recent years, Tony has worked for Self-employed.

Which industries is Tony most experienced in?

Tony is most experienced in industries like Information Technology (IT), Professional Services, and Telecommunication.

Which business areas is Tony most experienced in?

Tony is most experienced in business areas like Information Technology (IT), Customer Service, and Procurement and Purchasing. Tony also has some experience in Operations, Project Management, and Strategy and Planning.

What is Tony's education?

Tony attended Deutsche Telekom AG for IT systems electronics technician.

Does Tony have any certificates?

Tony has 11 certificates. Among them, these include: CWISA Certified Wireless IoT Solutions Administrator, CWNE #356 Certified Wireless Network Expert, and CWAP Certified Wireless Analysis Professional.

What is the availability of Tony?

Tony is immediately available for suitable projects.

What is the rate of Tony?

Tony's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Tony?

To hire Tony, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

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1000
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500
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Market avg: 730-890 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.