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: 2026-08-07

Updated: 2026-08-07

Found email addresses for John Sefcik:

Business emails:

*r*@sefcik.net,

s****k@xo.com,

j*********k@windstreambusiness.com

Personal emails:

j*********k@windstream.com,

j*********k@live.com,

g********n@yahoo.com

Found phone for John Sefcik:

+1-***-***-3087

A different John Sefcik?

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 6 months.

Their professional focus is Communication, Cost Savings, and Cybersecurity across 3 core areas.

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