Found email addresses for John Sefcik:
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A different John Sefcik?
Sign up to search for other John Sefcik's across our 850M+ professionals databaseWork Experience 26 years
Mar 2025 - Current
Sep 2023 - Mar 2025
Jan 2015 - Jan 2023
Jan 2000 - Jan 2015
Jan 2005 - Jan 2007
Jan 2000 - Jan 2005
Frequently Asked Questions
What is John Sefcik's email address?
SignalHire found a verified business email address for John Sefcik: s********n@nokia.com.What is John Sefcik's phone number?
SignalHire found a verified phone number for John Sefcik: +1-***-***-1288.How do I contact John Sefcik at Nokia?
You can reach John Sefcik through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.What is John Sefcik's professional background?
John Sefcik has 26 years of professional experience. They have held roles including Project Manager - Network Migrations, Director IP Engineering Installation/Sr Principal Engineer, and Sr. Manager Data and VOIP Implementation Engineering at companies such as Comcast Business, Windstream, and XO Communications.Is John Sefcik's contact information up to date?
Yes. John Sefcik's SignalHire profile was last updated on 30 October 2025, reflecting their current position as Sr. Staff Project Manager at Nokia in Espoo, Southern Finland, Finland.Similar profiles
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