tomasz balawender

network and data center specialist

About

Senior Network Engineer with over 7 years of experience in designing, implementing, monitoring, managing and maintaining LAN, WLAN and WAN networks. Aiming to use his CCNP R&S certified knowledge, years of experience and advanced troubleshooting skills to advance his career, by taking on new challenges.

Country

poland

City

warsaw

Industry

computer networking

Skill

cisco technologies, cisco routers, cisco ios, lan wan, lan switching, cisco wireless, wireless networking, cisco security, catalyst switches, network administration, network engineering, troubleshooting, routing protocols, dhcp, core switching, cisco certified, proxy, network design, network security, network architecture, network monitoring tools, vtp, itil process, spanning tree, customer support, 802.1q, poe, itil, microsoft dns, dns management, ntp, ip sla, technical support, 802.1x, 802.11n, ipsec, junos, technical skillset, dns server, gre tunnels, squid, snmp, linux system administration, lotus notes, prtg, vpn, bezpieczeństwo sieci, bezpieczeństwo, sieć wan, windows server

Experience

senior network engineer

centralny ośrodek informatyki

2017-9 - 2018-11 · 1 yr 3 mos

* Key Responsibilities: * handling service requests according to SLA (3'rd line of support) * maintaining and supporting internal IT systems * managing and monitoring network infrastructure * resolving incidents and their results * participation in planning budget and expenses * management of periodical replacement of network nodes and support license renewal * support in terms of office and server room relocation * Technologies used: * Firewall: Fortinet Fortigate, Cisco ASA * Endpoint Management: Fortinet EMS Endpoint Management System * WiFi: Ruckus * Switching: Cisco, MikroTik * Load balancing: F5 BIG-IP * Routing: Cisco ASR * Windows Server: DHCP, AD, NPS * Monitoring: Zabbix

network and data center specialist

britenet

2019-3 - Present · 7 yrs 7 mos

* Key Responsibilities: * maintaining, designing, implementing highly available, highly secure, * multi-vendor data center network environments * managing security devices, firewalls, load balancers, routers, * switches, Storage Area Networks * support in terms of data center relocation * service integration with customer networks * Technologies used: * Firewall: Checkpoint, Cisco ASA * Switching: Cisco * Load balancing: F5 BIG-IP * Routing: Cisco ISR, ASR

junior lan and wan specialist

danone

2011-7 - 2013-12 · 2 yrs 6 mos

* Key responsibilities: * preparing and maintaining inventory of network devices * managing and monitoring network infrastructure in EMEA region * second line of support (LAN, WAN, WLAN) * preparation of hardware recommendations * coordinating action between multiple teams (on-site, third-party) * implementing, enforcing configuration and security standards * preparing, planning and executing network oriented projects * migrations and mergers * resolving incidents within SLA * training newcomers * Technologies used: * Firewall: Fortinet Fortigate, Cisco ASA * WiFi: Cisco WLC * Switching: Cisco * Routing: Cisco * Network Management: Cisco Prime * Monitoring: Paessler PRTG * Proxy: Microsoft Forefront TMG, Websense / Forcepoint Web Security * Windows Server: DHCP, AD, NPS * ITSM: BMC Remedy * VPN: Juniper / Pulse Secure * IPAM: Infoblox * NetFlow Analysis: InfoVista 5View

trainee in erp department

opteam

2011-4 - 2011-6 · 3 mos

* wdrażanie systemu klasy ERP * obsługa zgłoszeń serwisowych * szkolenia z obsługi systemu ERP

it guy in operating system section

university of information technology and management in rzeszów

2010-9 - 2011-3 · 7 mos

* utrzymanie infrastruktury informatycznej * obsługa sprzętu audio-video * helpdesk

trainee in it department

mtu aero engines

2010-7 - 2010-9 · 3 mos

* helpdesk * monitorowanie infrastruktury krytycznej serwerowni * administracja systemami wbudowanymi (HP-UX)

praktykant

inter-comp

2008-7 - 2008-8 · 2 mos

* handling service requests * implementing and maintaining CRM system * deployment, configuration and maintaining network devices

it network specialist

danone

2014-1 - 2017-8 · 3 yrs 8 mos

* Key responsibilities: * ensuring optimal and sustainable service delivery within the area * of Unified Communications * maintenance of the IT infrastructure according to IT standards, * best practice and SLAs * support delivery for internal clients * projects delivery on time and within quality standards * Single Point Of Contact for various regions in EMEA * training delivery for internal clients * proposing and implementing improvements * Technologies used: * Firewall: Fortinet Fortigate, Cisco ASA * WiFi: Cisco WLC * Guest Access: Ucopia * Switching: Cisco * Routing: Cisco * Network Management: Cisco Prime * Monitoring: Paessler PRTG * Proxy: Microsoft Forefront TMG, Websense / Forcepoint Web Security * Windows Server: DHCP, AD, NPS * ITSM: ITRP / 4me Service Management * VPN: Juniper / Pulse Secure * IPAM: Infoblox * NetFlow Analysis: InfoVista 5View