Heriberto Lopez Espinoza

* Led 20+ person crews

* Organize crews in different task.

* Trained and showed crew members new task.

* Interpreted drawings, wiring diagrams, flow charts and written descriptions of the project requirements.

* Heavy Equipment Operator. (Skid Steer, Forklift, Mini Excavator, Excavator, Trencher, Dirt Sifter, Front End Loader, Man

Lift.)

* Worked with various types of cable ways, conduits and other electrical raceways.

* Megger insulation test, IV curve, troubleshooting.

* O&M:

1. Operations

2. Preventive (Scheduled) Maintenance

3. Unscheduled Maintenance

* Auxiliary Rack Building, Wiring And Terminations.

* Underground/Above ground DC cable installation.

* Underground MV cable installation.

* MV Cable Termination Certified.

* DC/MV terminations in transformers.

* DC termination in combiner box.

* Consistently updated knowledge of safety requirements and policies.

* Demonstrated expertise in the use of cable reels, stripping tools, voltage detectors, crimping tools and wire and cable

cutters.

* Developed in-depth knowledge of arc flash ratings and standards.

* Maintained a working area that was clean, safe and stocked with appropriate equipment and supplies.

* First aid, CPR and AED Certified.

* OSHA 10.

* NFPA 70E

*Operated heavy machinery including excavators, dozers, skid steers, and telehandlers to support utility-scale solar installations.

*Performed trenching, backfilling, grading, and site preparation for solar arrays, underground conduit, and electrical systems.

*Assisted with installation of solar infrastructure including inverter pads, and equipment foundations.

*Read and followed site plans, grade stakes, and layout markings to ensure precise and efficient work.

*Maintained strict adherence to OSHA and site safety standards while working around ground crews and active construction zones.

*Conducted daily equipment inspections and basic maintenance to ensure safe and reliable operation.

*Coordinated with foremen, surveyors, and electrical crews to meet project timelines and production goals.

*Built and maintained access roads, drainage systems, and erosion control measures across job sites.

*Accurately tracked equipment usage, completed daily reports, and communicated progress to supervisors.