Mariano Ulloa
Denver,CO
Summary
Skilled Electrical Apprentice with background in commercial electrical systems. Previous experience includes installation of electrical wiring, troubleshooting and repair, as well as familiarity with safety regulations and building codes. Strengths include strong technical understanding, critical problem-solving skills, and ability to work effectively in team settings. Demonstrated positive impact in previous roles through consistent high quality work and commitment to ongoing professional development.
Overview
3
3
years of professional experience
1
1
Certification
3
3
years of post-secondary education
Work History
Electrical Apprentice
LOENBRO
Denver, CO
04.2026 - Current
- installed high-voltage/step down lighting transformers
- Installed high-capacity bus ducts and routed dedicated conduit systems for variable frequency drives (VFDs) and large air handling units.
- Operated scissor lifts, boom lifts and single man lifts.
Electrician
Odin Electric
Denver, CO
06.2025 - Current
- Roughing
- Trimming
- QA/QC
- Installing EMT conduit
- Fire alarm
- Installing light fixtures
- Installing panels/box makeup
Electrical Apprentice
The premier group
Denver, CO
07.2024 - 09.2024
- Replaced defective circuit breakers, fuses, switches, receptacles, lighting fixtures and other components as needed.
- Assembled junction boxes according to code requirements.
- Installed conduit systems including EMT, rigid conduit, flexible conduit.
- Worked with a variety of materials including PVC conduits, copper wiring, aluminum wiring and MC cables.
Electrical Apprentice
Greiner Electric
Denver, CO
01.2023 - 07.2024
- Bending pipe
- Running wire
- Box makeup
- Installing lights, switches and receptacles
- Installing panels and transformers
- Gathering materials
Education
No Degree - Electrician
Construction Industry Training Council of Colorado
Denver, CO 08.2023 - Current
High School Diploma -
Cec Early College of Denver
Denver, CO05.2021
Skills
Fluently bilingual in English and Spanish
Skilled collaborator
Rapid and adaptive
Commercial installations: wiring and diagnosis
Problem solving
Time management
The ability to interpret schematics and construction documents
Detail Oriented
Certification
- OSHA 10
- NSC First Aid, CPR & AED
- Heat and Cold Stress Awareness
- Apprentice Fire Alarm Installer Registration
- MEWP Certified
Timeline
Electrical Apprentice
LOENBRO
04.2026 - Current
Electrician
Odin Electric
06.2025 - Current
Electrical Apprentice
The premier group
07.2024 - 09.2024
No Degree - Electrician
Construction Industry Training Council of Colorado
08.2023 - Current
Electrical Apprentice
Greiner Electric
01.2023 - 07.2024
High School Diploma -
Cec Early College of Denver