John Ostrom: Email & Phone Number

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System Design Engineer at Diversified|San Antonio, Texas, United States

Position:

System Design Engineer at Diversified

Location:

San Antonio, Texas, United States

View John Ostrom's Email

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Last updated: 2026-05-29

Updated: 2026-05-29

Found email addresses for John Ostrom:

Business emails:

j*********m@jci.com,

j*********m@zbeta.com

Personal emails:

j*********m@hotmail.com

Found phone for John Ostrom:

+1-***-***-7730

A different John Ostrom?

Work Experience 11 years

System Design Engineer at Diversified

Feb 2026 - Current

System Design Engineer at ZBeta, Inc.

Jul 2025 - Feb 2026

System Designer II - Commercial at Everon

Apr 2024 - Jul 2025

Sr. Applications Engineer/Manager at Johnson Controls

Jan 2020 - Apr 2024

Project Manager at STANLEY Security

Jan 2018 - Jun 2019

Technical Trainer at Johnson Controls

Jan 2015 - Jan 2018

John Ostrom started working in 2015, then the employee has changed 4 companies and 4 jobs. On average, John Ostrom works for one company for 1 year 10 months.

Their professional focus is Access Control, Bluebeam, and BOMs across 3 core areas.

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