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Our Company
Salas O’Brien Difference®
Ownership Values
Quality
History
Insights
Our Team
Community
Markets
Bulk Material Handling
Chemical Process
Commercial & Corporate
Data Centers & Telecom
Education (Higher Ed)
Education (K12)
Federal Government
Healthcare
High-Rise
Hospitality
Manufacturing
Mixed-Use
Municipal Government
Power Generation
Retail
Science & Technology
Transmission & Distribution
Services
Mechanical & Electrical
Structural
Building Science
Commissioning
Technology Design
Fire Protection
Industrial Process
Civil
Clean Energy
Roofing & Waterproofing
Automation & Controls
Architecture & Interiors
Construction Management
Careers
Locations
John
Siefken
John Siefken
Principal, Senior Electrical Engineer
Education
BS, Electrical Engineering, University of Nebraska
Certifications
PE
LinkedIn Profile
Type of work
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