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Igor Skwierawski
Senior Technical Support Engineer @Palo Alto Networks
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WORK HISTORY
Senior Technical Support Engineer @Palo Alto Networks
Warsaw, PL
SKILLS
ABOUT IGOR SKWIERAWSKI
I’m a network and security engineer with 10+ years of experience designing, supporting, and securing high-availability critical infrastructures. I spent 9+ years working in a TAC vendor role supporting enterprise customers, where I specialised in resolving complex, high-pressure issues and keeping critical systems running reliably.My hands-on expertise includes F5 BIG-IP (LTM, GTM, ASM), Palo Alto firewalls, with a strong focus on application security, performance, and resilience. I hold PCNSE and F5-201 certifications and enjoy building environments that are not only secure, but also fast and stable—because the best networks are the ones you don’t have to think about.In parallel, I have solid experience in mobile core networks (GPRS, UMTS, LTE), working with Nokia/NSN, ALU, and ZTE technologies. My background covers core elements such as MME, SGW/PGW, SGSN, GGSN, MSC, HLR, MGW, PCRF, RADIUS, DNS, and security gateways.I’ve participated in international telecom projects for operators including Orange, Telefonica, Polkomtel, Cellcom Israel, Sunrise, Three Ireland, Surfline Ghana, and others.Certifications:PCNSE | F5-201 | Nokia 2G & 3G PSCN
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