25.10.2026 aktualisiert
Premiumkunde
100 % verfügbarSr. Network Engineer
Praha 9, Tschechische Republik
Weltweit
IT, electronics, managementÜber mich
Over 12 years of experience with designing, operating and troubleshooting complex networks and doing transformation or acquisition project works. Leading the consultation activities with focused on result and customer satisfaction.
Skills
Cisco Certified Network AssociateCisco Certified Network ProfessionalVPNVirtualizationFirewallsCiscoVMware
Proficient with SD-WAN [Viptela, Velocloud, Fortinet, Silverpeak], LAN, campus networking incl WLC based WiFi [mainly Cisco], experience with F5 BIG IP, Vmware ESXi and VNF, security design and management of firewalls [Palo, Cisco, Fortinet, Checkpoint], DC routing based on Nexus 7/9/K and ACI.
Zscaler Zero Trust, LAN, WAN, wireless, firewall, security, operations, Cisco, Fortinet, Velocloud, VMware, virtualization, CCNA, CCNP, CCDP, Meraki, ITILv3
keywords for technologies:
routing + protocols, switching, BGP, OSPF, EIGRP, MPLS, VPN, FHRP, ISR, ASR 1K, Nexus 5/7/9, Catalyst, design, DMVPN, IPAM, Infoblox, F5 + load balancing, AWS, Azure, ZTN, Entra ID, AD
Erfahrung
Berufserfahrungmehr als 10 Jahre
Freelancer seit2022
Sprachen
EnglishverhandlungssicherPolishgutCzechMuttersprache
Projekthistorie
Transformed 400 sites to SDWAN and lead activities to change WAN ISP circuits and optimize HA on global scale, including DCs and cloud
LAN, WAN transformation [DMVPN > SDWAN, LAN segmentation]
Zertifikate
ZDTA
Zscaler2026
CCDP
Cisco2018
ITIL
ITIL PeopleCert2017
CCNP
Cisco2015