John Sefcik

John Sefcik: Email & Phone Number

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Sr. Staff Project Manager at Nokia|Dallas-Fort Worth Metroplex, United States

Position:

Sr. Staff Project Manager at Nokia

Location:

Dallas-Fort Worth Metroplex, United States

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Last updated: 2025-10-30
Updated: 2025-10-30

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Work Experience 26 years

Sr. Staff Project Manager at Nokia

Mar 2025 - Current

Project Manager - Network Migrations at Comcast Business

Sep 2023 - Mar 2025

Director IP Engineering Installation/Sr Principal Engineer at Windstream

Jan 2015 - Jan 2023

Sr. Manager Data and VOIP Implementation Engineering at XO Communications

Jan 2000 - Jan 2015

Test and Certification Manager at XO Communications

Jan 2005 - Jan 2007

Data Network Implementation / Test and Certification Engineer at Nexlink/XO Communication

Jan 2000 - Jan 2005

John Sefcik started working in 2000, then the employee has changed 4 companies and 5 jobs. On average, John Sefcik works for one company for 5 years 5 months.

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?

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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.

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