Marek Walburg
Senior Network Engineer at Huuuge Games- Claim this Profile
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polski Native or bilingual proficiency
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angielski Professional working proficiency
Topline Score
Bio
Mariusz Bielawski, MBA
Marek Walburg is one of the best network engineers I have pleasure working with. High quality multivendor network professional with vast network experience confirmed by many network certifications. Very helpful & friendly team player. I recommend Marek for any senior network engineer and technical/team leader position he choose.
Marcin Łukasik
I had the privilege of working with Marek in the same team at Atos. Marek is an achievement oriented, strong and forward thinking team player, has no problem to work hard when necessary. Marek is a result driven person with lots of knowledge in networking. He is creative and pro-active in finding solutions. I can strongly recommend Marek as a very good network engineer.
Mariusz Bielawski, MBA
Marek Walburg is one of the best network engineers I have pleasure working with. High quality multivendor network professional with vast network experience confirmed by many network certifications. Very helpful & friendly team player. I recommend Marek for any senior network engineer and technical/team leader position he choose.
Marcin Łukasik
I had the privilege of working with Marek in the same team at Atos. Marek is an achievement oriented, strong and forward thinking team player, has no problem to work hard when necessary. Marek is a result driven person with lots of knowledge in networking. He is creative and pro-active in finding solutions. I can strongly recommend Marek as a very good network engineer.
Mariusz Bielawski, MBA
Marek Walburg is one of the best network engineers I have pleasure working with. High quality multivendor network professional with vast network experience confirmed by many network certifications. Very helpful & friendly team player. I recommend Marek for any senior network engineer and technical/team leader position he choose.
Marcin Łukasik
I had the privilege of working with Marek in the same team at Atos. Marek is an achievement oriented, strong and forward thinking team player, has no problem to work hard when necessary. Marek is a result driven person with lots of knowledge in networking. He is creative and pro-active in finding solutions. I can strongly recommend Marek as a very good network engineer.
Mariusz Bielawski, MBA
Marek Walburg is one of the best network engineers I have pleasure working with. High quality multivendor network professional with vast network experience confirmed by many network certifications. Very helpful & friendly team player. I recommend Marek for any senior network engineer and technical/team leader position he choose.
Marcin Łukasik
I had the privilege of working with Marek in the same team at Atos. Marek is an achievement oriented, strong and forward thinking team player, has no problem to work hard when necessary. Marek is a result driven person with lots of knowledge in networking. He is creative and pro-active in finding solutions. I can strongly recommend Marek as a very good network engineer.
Credentials
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CCNA Routing and Switching
CiscoJul, 2013- Sep, 2024 -
CCNP Routing and Switching
CiscoAug, 2016- Sep, 2024 -
Extreme Wireless
Extreme NetworksDec, 2018- Sep, 2024 -
Campus EXOS Switching and Routing
Extreme NetworksSep, 2018- Sep, 2024 -
Juniper Networks Certified Specialist - Service Provider Routing and Switching (JNCIS-SP)
Juniper NetworksJul, 2016- Sep, 2024 -
Juniper Networks Certified Associate – Junos (JNCIA-Junos)
Juniper NetworksDec, 2014- Sep, 2024 -
Juniper Networks Certified Specialist - Enterprise Routing and Switching (JNCIS-ENT)
Juniper NetworksMay, 2016- Sep, 2024
Experience
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Huuuge Games
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Poland
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Mobile Gaming Apps
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400 - 500 Employee
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Senior Network Engineer
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Feb 2021 - Present
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Mobica
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Furniture
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200 - 300 Employee
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Senior Network Engineer
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Jan 2019 - Jan 2021
-Admin of whole Mobica network infrastructure (LAN/WAN, WLAN & Firewall):-Network infrastructure upgrade - whole LAN and WLAN migration, from Cisco to Extreme Networks (design and configuration, onsite implementation in each site)-Firewall migration - from ASA and Juniper SRX to Fortigates-DMZ - design and implementation-Implementing S2S VPNs with external customers-Remote access VPN - design and implementation-Managing Forticlients with EMS (Enterprise Management Server)-Writing simple scripts (python) for work automation-Routing changes and optimization (BGP, route-maps, PBR, static routes)-Implementing High Availability solutions (stacking, clusters, link aggregation, VRRP)-Network monitoring setup - Zabbix-Fimware upgrades-Handling escalated tickets form 2nd LineInvolved HW: Extreme x440/x460/x620/x690, Cisco 2960/3750/4500, Fortigates 600D/100D/80E, ASA 5500, Cisco WLC 4400, Extreme Wireless Controller v2110
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Network Engineer
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Feb 2018 - Dec 2018
- troubleshooting network issues- handling change requests- cooperating with ISP to maintain MPLS cloud and Internet connectivity- managing remote access VPNs, Access Lists and WebfilteringInvolved HW: Cisco 2960/3750/4500, Extreme x440/x620/x690, Fortigates 600D/100D, ASA 5500, Cisco WLC 4400.
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Cisco
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United States
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Motor Vehicle Manufacturing
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1 - 100 Employee
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Network Engineer
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Apr 2017 - Dec 2017
Providing LAN/WAN/FW support for several Cisco customers:- Troubleshooting network issues in various environment:Cisco Routers & Switches, Nexus, ASA, SRX, Checkpoint, F5.- Replacing faulty components/devices- Cooperating with ISPs, Field Engineers and other Ciscoteams (Webex, Conference Calls, TAC cases) Providing LAN/WAN/FW support for several Cisco customers:- Troubleshooting network issues in various environment:Cisco Routers & Switches, Nexus, ASA, SRX, Checkpoint, F5.- Replacing faulty components/devices- Cooperating with ISPs, Field Engineers and other Ciscoteams (Webex, Conference Calls, TAC cases)
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IP/Data Design and Configuration Engineer
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Aug 2016 - Mar 2017
Working for a major ISP in UK as a member of network project team.- Designing and implementing network projects (installation/decommission/migration/hardware refresh) for multivendor ISP network (Cisco series 2900, 3900, 7600; Juniper MX960, PTX5000; Alcatel SR 7450, 7750 and various CMTS devices) - Coopereting with Project Leaders to meet deadlines and Customer expectations- Implementing network changes to WAN environment (MPLS, L2VPN, L3VPN, BGP, IS-IS)- Preparing detailed network documentation (Visio, Excel, Word)- Managing out-of-band infrastructure
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Atos
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France
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IT Services and IT Consulting
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700 & Above Employee
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Network Engineer - 3rd Line Support
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Sep 2015 - Jul 2016
Providing 3rdL support in Enteprise CampusLAN network (over 10,000 network devices) for Siemens AG.-Monitoring and maintaining LAN infrastructure (troubleshooting network issues, replacing faulty components, improving network performance) on Cisco (Catalyst series 2960, 3750, 4500, 6500; Nexus 2k, 5k, 7k) and Enterasys (series B, N, S) devices-Incident/Change management according to ITIL-Implementing routing changes and optimization (OSPF, EIGRP, BGP, static-routing, distribute-lists, prefix-lists, route-maps)-Deploying and managing High Availability solutions (VRRP, HSRP, Etherchannel, StackWise)-Providing logical loop-free topology via STP & RSTP protocols-Managing network security (802.1x, RADIUS, TACACS, switchport security, access-lists, DHCP snooping)-IP management (subnetting, network assignment, static reservations)-Cooperating with Onsite Support and Internet Service Provider-Role of SPOC for Siemens LAN infrastructure in Italy-Preparing LLD (Low Level Design) for network projects-Establishing new customer sitesSupporting recruitment process:-leading technical part of job interviews
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Network Operator, Team Coordinator - 2nd Line Support
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Jan 2015 - Aug 2015
Technical responsibilities not changed. Additionally as Team Coordinator of 2ndL SRM team:-Reporting to Team Manager-Dispatching tickets and daily tasks to team members
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Network Operator - 2nd Line Support
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Aug 2013 - Dec 2014
Providing 2ndL support in Enteprise CampusLAN network (over 10,000 network devices) for Siemens AG.-Participating in the service transition process from Germany to Poland (two-month training abroad)-Handling Standard Request and Incident tickets within SLA targets-Managing access ports configuration (VLAN, speed, 802.1x, switchport security)-Upgrading devices software (Cisco IOS, Extreme OS)-Cooperating with other teams to ensure work of various network services: servers, WLAN, DHCP
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Education
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2014 - 2015
Politechnika Poznańska
Master of Science (M.Sc.), Electronics and Telecommunications, Specialization: Computer Networks and Internet Technologies -
2009 - 2013
Politechnika Poznańska
Bachelor of Science (B.Sc.), Electronics and Telecommunications, Specialization: Computer Networks and Internet Technologies
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