Stephan Efferenn
Network System Specialist at DB Systel GmbH | Berlin, Berlin, Germany
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Network System Specialist at DB Systel GmbH in April 2022 to Present
Junior Network Engineer at net-select GmbH in September 2019 to April 2022
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Heinrich-Wieland-Schule Pforzheim, September 2026
Pforzheim University, September 2026
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IPv6
Quality of Service (QoS)
Internet Protocol (IP)
IPv4
Ethernet
LAN Switching
Network Infrastructure
Network Switches
Local Area Network (LAN)
Routing Protocols
Routers
Cisco Routers
Network Engineering
Cisco Networking
Cisco IOS
Englisch
Infrastruktur
Extreme Network
Routing
SPBm
Fabric Connect
Switching
Multicast
Open Shortest Path First (OSPF)
EIGRP
RIP
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Discover more about DB Systel GmbHWhat is Stephan Efferenn email address?
Email Stephan Efferenn at [email protected] and [email protected]. This email is the most updated Stephan Efferenn's email found in 2026.
How to contact Stephan Efferenn?
To contact Stephan Efferenn send an email to [email protected] or [email protected]. (updated on March 07, 2025)
What company does Stephan Efferenn work for?
Stephan Efferenn works for DB Systel GmbH
What is Stephan Efferenn's role at DB Systel GmbH?
Stephan Efferenn is Network System Specialist
What is Stephan Efferenn's Phone Number?
Stephan Efferenn's phone (**) *** *** 288
What industry does Stephan Efferenn work in?
Stephan Efferenn works in the Information Technology & Services industry.
Stephan Efferenn Email Addresses
Stephan Efferenn Phone Numbers
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