Summary
Overview
Work History
Education
Skills
Timeline
Generic

Chandler Guillen

Weatherford,TX

Summary

Extensive experience as a Commissioning Technician on utility-scale solar energy projects. Contributed to an 850 MW facility featuring over 1.5 million solar panels. Managed testing and verification of more than 50,000 individual solar strings. Recognized for dependability and adaptability, with a strong commitment to supporting team objectives and organizational advancement.

Overview

5
5
years of professional experience

Work History

Electrical Apprentice

Overland Construction
Jacksboro, TX
07.2025 - Current

Electrical Apprenticeship Program student designated as the senior ATI competent person for commissioning. Trained by ATI technicians to program, troubleshoot, and operate a cloud-based interface, 277/480V AC three-phase power circuits, 120V AC control circuits, and 24V low-voltage circuit board systems. Also completed training on the mechanical components and functionality of ATI systems.
Assisted in diagnosing and testing both DC and AC circuits for ground faults using Megger testers. Conducted VOC and ISC tests on various series and parallel string circuits. Operated Seaward Solar Utility Pro testing units and Fluke 393F multimeters. Performed troubleshooting of DC circuits within solar arrays and tested 1500V DC fused combiner boxes and transition boxes. Gained foundational experience in electrical circuit wiring and terminations. Demonstrated knowledge of safe procedures for energizing and de-energizing 1500V DC circuits and solar string systems.

Millwright Apprentice

Black & Veatch Construction
Ottawa, OH
09.2024 - 06.2025

On-the-Job Training at BVCI, assigned to the Powell Creek site, a 150MWac Solar EPC project, as a Millwright Apprentice. Supported the installation of 293,000 modules and the construction of structural supports and ground mounts. Operated various tools to assemble frames, secure components, set anchors, and install racking systems.
Assisted the Quality Control team during inspections to ensure optimal performance and compliance with project standards. Contributed to the remediation efforts by addressing punch list items as needed.
Followed safety procedures and protocols, including lockout/tagout practices. Attended site-specific safety training and ensured adherence to established safety regulations to promote a safe and organized work environment. Participated actively in safety meetings and training sessions, fostering a culture of safety awareness and proactive risk management.

Maintenance Mechanic

Saadia Distribution LLC
Lancaster, PA
10.2022 - 09.2024

Perform preventive maintenance tasks, such as checking, cleaning, or repairing equipment to detect and prevent problems to ensure that machines continue to run smoothly and operate efficiently.

Dismantle defective machines and equipment to gain access to problem areas or to install new or repaired parts.

Working in close collaboration with custodial staff to ensure the safe and orderly environment for all facility occupants and compliance with all established regulations and protocols.

Remove snow from sidewalks, steps, loading docks and roof as needed. Salt sidewalks and parking lot. Landscaping, as needed (i.e., mowing, weeding, watering, etc.).

Mechanical Insulator Apprentice

ASC
East Petersburg, PA
05.2021 - 10.2022

On-the-job training through Advanced Specialty Contractors on multiple projects, including the Sam Adams Brewery in Allentown, PA, where I assisted with the installation of mechanical insulation systems for boilers, HVAC systems, and ductwork.

Contributed to the Lancaster Medical Center Project by installing infectious disease control systems and sound attenuators on the rooftop, as well as mechanical insulation on the 2nd and 3rd floors of the new facility. Additionally, supported the specialty fabrication of Kevlar curtains and personnel protection pads for the Compressor Station Projects in Grantville and Bernville, as well as the Brunswick Power Station.

Education

Electrical Apprenticeship -

Overland Construction Apprenticeship
Jacksboro, TX
07.2030

Millwright Apprenticeship -

NW Ohio Carpenters' Joint Apprenticeship
Rossford, OH
01.2024

Mechanical Insulator Apprenticeship -

Heat And Frost Allied Workers Local 23
Harrisburg, PA
01.2022

Diploma - undefined

Conestoga Valley High School
Lancaster, PA
01.2017

Skills

  • Safety awareness and protocols
  • Hand and power tool operation
  • Relationship building
  • Construction support
  • Lockout and tagout procedures
  • Arc flash safety
  • Blueprint reading
  • Diagnostics and troubleshooting

Timeline

Electrical Apprentice

Overland Construction
07.2025 - Current

Millwright Apprentice

Black & Veatch Construction
09.2024 - 06.2025

Maintenance Mechanic

Saadia Distribution LLC
10.2022 - 09.2024

Mechanical Insulator Apprentice

ASC
05.2021 - 10.2022

Diploma - undefined

Conestoga Valley High School

Electrical Apprenticeship -

Overland Construction Apprenticeship

Millwright Apprenticeship -

NW Ohio Carpenters' Joint Apprenticeship

Mechanical Insulator Apprenticeship -

Heat And Frost Allied Workers Local 23