Colby Seifert: Email & Phone Number

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Civil Engineer at MacKay|Portland, Oregon, United States

Position:

Civil Engineer at MacKay

Location:

Portland, Oregon, United States

View Colby Seifert's Email

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Last updated: 2026-10-29

Updated: 2026-10-29

Found email addresses for Colby Seifert:

Business emails:

c****s@gomackay.com

Personal emails:

c***@aol.com,

c***@hotmail.com,

c***@juno.legal,

s***@milwaukieoregon.gov

Found phones for Colby Seifert:

+1-870-***-**26,

+1-520-***-**84

Prospect analytics

Current work details

DepartmentInformation Technology and Services

Availability

TimezonePST

Best time to contact12:00 PM – 4:00 PM

A different Colby Seifert?

Work Experience 16 years

Civil Engineer at MacKay

Jan 2026 - Current

Engineer I at PLS Engineering

Nov 2024 - Jan 2026

Engineering Intern at City of Milwaukie

Aug 2023 - Oct 2023

Specialist at GrowthZone

Mar 2019 - Nov 2019

Hazmat/PSC at UPS

Aug 2010 - Oct 2018

Colby Seifert started working in 2010, then the employee has changed 4 companies and 4 jobs. On average, Colby Seifert works for one company for 2 years 2 months.

Their professional focus is Analytical Skills, Civil Engineering, and Communication across 3 core areas.

Colby holds Engineer In Training certifications.

Education

Bachelor of Science - BS at Portland State University

Frequently Asked Questions

What is Colby Seifert's email address?

SignalHire found verified email addresses for Colby Seifert, both business and personal. Their business email is c****s@gomackay.com, and personal emails include c***@aol.com, c***@hotmail.com, and c***@juno.legal.

What is Colby Seifert's phone number?

SignalHire found multiple verified phone numbers for Colby Seifert: +1-870-***-**26, and +1-520-***-**84.

How do I contact Colby Seifert at MacKay?

You can reach Colby Seifert 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 Colby Seifert's professional background?

Colby Seifert has 16 years of professional experience. They have held roles including Engineer I, Engineering Intern, and Specialist at companies such as PLS Engineering, City of Milwaukie, and GrowthZone. Their education includes Bachelor of Science - BS from Portland State University.

Is Colby Seifert's contact information up to date?

Yes. Colby Seifert's SignalHire profile was last updated on 29 October 2026, reflecting their current position as Civil Engineer at MacKay in Vancouver, Washington, United States.

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