Rafal Sieczkowski
Billing Systems Support Unit Manager at PLAY | Warsaw, Mazowieckie, Poland
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Billing Systems Support Unit Manager at PLAY in May 2021 to Present
RT Infrastructure Support Team Manager at PLAY in November 2013 to February 2022
Billing Operations Expert at PLAY in May 2007 to October 2013
Senior VAS Maintenance Engineer at PTK Centertel in March 2002 to April 2007
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Polish-Japanese Academy of Information Technology, November 1997 to November 2026
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INAP
VAS
SS7
Intelligent Networks
IVR
Telecommunications Billing
Unix
SIGTRAN
Mobile Devices
SMSC
Solaris
Telecommunications
BSS
GSM
Billing Systems
GPRS
Telco
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Discover more about PLAYWhat is Rafal Sieczkowski email address?
Email Rafal Sieczkowski at [email protected] and [email protected]. This email is the most updated Rafal Sieczkowski's email found in 2026.
How to contact Rafal Sieczkowski?
To contact Rafal Sieczkowski send an email to [email protected] or [email protected]. (updated on May 23, 2024)
What company does Rafal Sieczkowski work for?
Rafal Sieczkowski works for PLAY
What is Rafal Sieczkowski's role at PLAY?
Rafal Sieczkowski is Billing Systems Support Unit Manager
What is Rafal Sieczkowski's Phone Number?
Rafal Sieczkowski's phone (**) *** *** 225
What industry does Rafal Sieczkowski work in?
Rafal Sieczkowski works in the Telecommunications industry.
Rafal Sieczkowski Email Addresses
Rafal Sieczkowski Phone Numbers
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