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Johannes Klein
Senior Security Infrastructure Operating Engineer | Deutsche Telekom Security GmbH
Würzburg
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Certified Information Systems Security Professional (CISSP)
ISC2
Cisco Certified Specialist - Enterprise Core
Cisco
Cisco Certified Specialist - Security Core
Cisco
Cisco Certified Internetwork Expert Enterprise Infrastructure (CCIE Enterprise Infrastructure)
Cisco
Cisco Certified Network Professional Security (CCNP Security)
Cisco
Cisco Certified Specialist - Network Security Firepower
Cisco
Security Architecture for System Engineers
Cisco
Implementing Cisco SD-WAN Solutions
Cisco
