David Harper

David Harper: Email & Phone Number

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Substation Relay Engineer at NorthWestern Energy|Libby, Montana, United States

Position:

Substation Relay Engineer at NorthWestern Energy

Location:

Libby, Montana, United States

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Last updated: 2026-05-18
Updated: 2026-05-18

Found email addresses for David Harper:

Business emails:
Personal emails:
h***@gmail.com,
d***@hotmail.com,
d***@yahoo.com

Found phones for David Harper:

+1-205-***-**63
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Work Experience 11 years

Substation Relay Engineer at NorthWestern Energy

Apr 2025 - Current

Electrical Engineer at Nomad GCS

Aug 2024 - May 2025

Design Engineer at Applied Materials

Sep 2020 - Jul 2024

Signalman Assistant at Montana RailLink

May 2015 - Jul 2016

David Harper started working in 2015, then the employee has changed 3 companies and 3 jobs. On average, David Harper works for one company for 1 year 9 months.

Their professional focus is AutoCAD, Cables, and Closed Loop across 3 core areas.

Education

Bachelor of Science in Electrical Engineering at University of North Dakota

Bachelor of Science in Electrical Engineering at Montana State University-Bozeman

Electronic Engineering Technology Certificate at Portland Community College

Frequently Asked Questions

What is David Harper's email address?

SignalHire found verified email addresses for David Harper, both business and personal. Their business email is d******r@northwesternenergy.com, and personal emails include h***@aol.com, h***@gmail.com, and d***@hotmail.com.

What is David Harper's phone number?

SignalHire found multiple verified phone numbers for David Harper: +1-480-***-**19, and +1-205-***-**63.

How do I contact David Harper at NorthWestern Energy?

You can reach David Harper 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 David Harper's professional background?

David Harper has 11 years of professional experience. They have held roles including Electrical Engineer, Design Engineer, and Signalman Assistant at companies such as Nomad GCS, Applied Materials, and Montana RailLink. Their education includes Bachelor of Science in Electrical Engineering from University of North Dakota, and Bachelor of Science in Electrical Engineering from Montana State University-Bozeman.

Is David Harper's contact information up to date?

Yes. David Harper's SignalHire profile was last updated on 18 May 2026, reflecting their current position as Substation Relay Engineer at NorthWestern Energy in Butte, MT, United States.

David Harper Namesakes

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David Harper
Research Mathematician
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David Harper
Group Executive
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