Theo Marquez

Journeyman Electrician

Denver, CO, United States

Professional Summary

Licensed journeyman electrician with 7+ years installing, troubleshooting, and maintaining commercial and residential electrical systems across the Denver metro. Strong on code-compliant rough-in, panel upgrades, and preventive maintenance for offices, retail, and multifamily. Known for clean documentation, safe job-site habits, and mentoring apprentices.

Employment History

Journeyman Electrician

Peak Range Electric · Denver, CO

Mar, 2021 · Present

Lead rough-in and finish wiring for commercial TI and multifamily builds averaging 8–12 units per cycle Diagnose and repair 480V and 208V service issues; cut callback rate ~25% through checklist-based commissioning Mentor 2 apprentices on NEC practices, torque specs, and lockout/tagout

Apprentice Electrician / Journeyman

Front Range Mechanical & Electric · Aurora, CO

Jun, 2017 · Feb, 2021

Completed 8,000-hour apprenticeship; earned Colorado journeyman license Installed lighting, receptacles, and feeders on schools and light industrial sites Assisted with panel upgrades and generator transfer switch installs

Electrical Helper

Mile High Facilities Services · Denver, CO

May, 2015 · May, 2017

Supported senior techs on service calls for property managers and HOAs Pulled cable, labeled circuits, and maintained stocked service vans

Education

Certificate

Colorado Electrical Apprenticeship Program · Denver, CO

2017 · 2021

Electrical apprenticeship training covering NEC practices, safety, and field installation.

Electrical Technology coursework

Community College of Denver · Denver, CO

2015 · 2017

Coursework in electrical technology, circuits, and applied electrical systems.

Skills

NEC / local code

commercial rough-in

panel upgrades

troubleshooting; blueprint reading; lockout/tagout; conduit bending; lighting controls; generator transfer switches; apprenticeship mentoring

Courses

Electrical Certifications & Safety

Colorado Electrical Apprenticeship Program · Denver, CO

2017 · 2021

Colorado Journeyman Electrician License; OSHA 10; First Aid/CPR