Tomas Loziak

Experience

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  Kosice 2013 - European Capital of Culture, n.o.

  Jun 2013 - Dec 2013

  Network Administrator

  building new network infrastructure (L2 switches, L3 switches routers, IP telephony, IP cameras, Security system) - vendors Cisco and Dlinkadministration of network componentsnetwork troubleshootingIT support for employees - basic end station administration, MS Office tasks, software installation

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  K13 - Košické kultúrne centrá

  Jan 2014 - Jun 2014

  Network Administrator

  building new network infrastructure (L2 switches, L3 switches routers, IP telephony, IP cameras, Security system) - vendors Cisco and Dlinkadministration of network componentsnetwork troubleshootingIT support for employees - basic end station administration, MS Office tasks, software installation

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  T-Systems Slovakia

  Jun 2014 - Jun 2017

  WAN Service Area & Loadbalancing team of Data Center Network Services DepartmentOperation TeamWork responsibilities include:* Complex network device/systems administration in various areas of datacenter environments around the globe.* Configuration, monitoring and connectivity problems debugging* Preparing solutions for various sorts of device/service migrations and upgrades* ITIL process management (Change, Incident, Problem)Working on migration customer connections from WSA1.0 to WSA2.0 environment.Technologies:*Routing&Switching - Static routing and dynamic routing protocols, FHRP, Route Filtering, Redistribution, VLANs, STP, MSTP, L2/L3 Etherchannels, MLS, vPC, FEX*Service Provider - (MP-)BGP, VRFs, MPLS, VPLS, L3 VPN Show less

  • ICT Administrator III

    Jun 2016 - Jun 2017

  • ICT Administrator II

    Jun 2014 - May 2016
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  ALEF NULA, a.s.

  Sept 2017 - Jan 2021

  System Engineer

  Member of the Service Provider & Routing and Switching team.Network Engineering/Architecture project work - whole network lifecycle - requirements, analysis, pre-sales, design, presentations, PoC, implementation, tests, migration, troubleshooting, training and overall support of various network solutions in Enterprise (R&S) and Service Provider environment.Presales support - Catalyst 9K, ISR, ASR, NCS,Consulting support for MPLS provider - regular calls, incidents and platform issues solving, TAC cases, IOS versions consultationsService Provider Technologies: IGP, BGP, Segment-Routing, E-VPN, Fast Convergence, Flex-Algo, MPLS services - L3VPN, L2VPN, QoS, TESDN Technologies - Cisco SD-Access, Cisco SD-WANNetwork Assurance and Orchestration: IP Fabric, EPNM, NSOTechnical Training - Cisco Certified Systems Instructor (CCSI #35637) for Enterprise and Service Provider courses Show less

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  ALEF CZ

  Jan 2021 - Jul 2021

  Senior System Engineer

  Member of the Service Provider & Routing and Switching team.Network Engineering/Architecture project work - whole network lifecycle - requirements, analysis, pre-sales, design, presentations, PoC, implementation, tests, migration, troubleshooting, training and overall support of various network solutions in Enterprise (R&S) and Service Provider environment.Presales support - Catalyst 9K, ISR, ASR, NCS,Consulting support for MPLS provider - regular calls, incidents and platform issues solving, TAC cases, IOS versions consultationsService Provider Technologies: IGP, BGP, Segment-Routing, E-VPN, Fast Convergence, Flex-Algo, MPLS services - L3VPN, L2VPN, QoS, TESDN Technologies - Cisco SD-Access, Cisco SD-WANNetwork Assurance and Orchestration: IP Fabric, EPNM, NSOTechnical Training - Cisco Certified Systems Instructor (CCSI #35637) for Enterprise and Service Provider coursesCurrent responsibility - technical part of response to RFI/RFP for 5G Backhaul transport network Show less

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  Vodafone

  Aug 2021 - now

  Core IP and Internet Engineer