CRISTIAN HERRERA
Summary
Experienced Solar Field Technician III with advanced knowledge of utility-scale PV systems, inverter diagnostics, medium-voltage equipment, and substation operations. Skilled in full-spectrum solar O&M; including preventive maintenance, troubleshooting, SCADA monitoring, root-cause analysis, and high-voltage safety. Brings a mission-focused, disciplined approach from prior Marine Corps service, with proven leadership in training personnel, maintaining strict accountability, and optimizing operational performance across multi-MW sites ranging from 100 MW to 600 MW.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Solar Field Technician
NovaSource Power Services – Oberon 1 & 2 (Intersect Power)
Desert Center, CA
09.2023 - Current
- Executed advanced troubleshooting on TMEIC PVU-L inverters, addressing SCU boards, IGBT fans, RTU communication issues, and complex inverter trip/fault events.
- Executed comprehensive preventive maintenance on full-system arrays, including combiner boxes, junction boxes, grounding networks, switchgear, and mechanical PV structures.
- Facilitated substation operations through effective switching coordination and outage preparation.
- Implemented LOTO procedures and ensured strict compliance with high-voltage safety standards during SCU replacements, inverter work, array isolation, and energized-area activities.
- Executed diagnosis of underperforming strings/modules through SCADA monitoring, IV-curve analysis, and on-site evaluations.
- Audited flyover discrepancies, identified system losses, and executed field corrections to enhance production efficiency.
- Oversaw meticulous documentation of work orders, inverter performance logs, time tracking, and spare part usage.
- Facilitated collaboration with TMEIC, WEG, SOLV, and Intersect Power, to address warranty work escalations and provide commissioning support.
- Facilitated training and mentorship for new technicians in inverter troubleshooting and site safety protocols.
- Executed mechanical and structural repairs, ensuring module mounting hardware and racking stability met safety standards.
- Managed response to alarms and emergency situations during after-hours to ensure operational continuity.
- Installed and maintained solar panel systems, ensuring optimal performance and compliance with safety standards.
- Conducted routine inspections and troubleshooting of solar energy systems to identify issues and implement solutions.
- Collaborated with team members to optimize installation processes, improving efficiency and reducing project timelines.
- Trained junior technicians on installation protocols and maintenance practices, fostering skill development within the team.
- Developed comprehensive documentation for system maintenance procedures, promoting consistency in service delivery.
- Monitored system performance metrics, analyzing data to recommend improvements in solar technology applications.
- Implemented quality control measures during installations, ensuring adherence to industry best practices and regulatory compliance.
- Diagnosed and repaired equipment malfunctions in field settings.
- Conducted routine maintenance on tools and machinery to ensure optimal performance.
Transmissions Supervisor / Radio Operator
United States Marine Corps – Camp Pendleton, CA
Camp Pendleton, CA
09.2019 - 09.2023
- Supervised and trained 20–50 personnel in communications, equipment operation, safety, and mission readiness.
- Maintained 100% accountability of over $12M in communications and electronic equipment across garrison and deployed environments.
- Installed, operated, and maintained radio networks, satellite systems, antenna arrays, and secure communications systems.
- Led daily operations, workflow distribution, and troubleshooting during high-pressure environments.
- Coordinated with foreign and joint military partners to support mission-critical communications and operational goals.
- Monitored performance metrics to identify areas for improvement and drive accountability.
- Coordinated logistics for deployment readiness, optimizing resource allocation and utilization.
Education
Communication Electronics School – MCCES
Twentynine Palms, CA01-2019
High School Diploma -
Prince Edward County High School
01-2019
No Degree - Renewables
Airstreams Renewables Inc
Tehachapi, CA09-2023
Skills
- Assisted in daily field operations to support project execution Collaborated with team members to maintain workflow efficiency Contributed to problem-solving efforts to address operational challenges
- Implemented comprehensive workplace safety protocols to ensure employee well-being
- Facilitated effective professional communication across teams and stakeholders
- Provided technical assistance to users, resolving issues efficiently Supported troubleshooting efforts for hardware and software problems Assisted in maintaining system functionality and user satisfaction
- Oversaw materials management processes to ensure efficient inventory control
- Executed comprehensive equipment maintenance protocols to ensure optimal functionality
- Directed project management initiatives to ensure timely delivery and adherence to quality standards
- Oversaw environmental safety protocols to ensure compliance with regulations
- Executed comprehensive problem-solving strategies to identify and resolve operational challenges
- Executed preventative maintenance protocols to ensure optimal equipment performance
- Ensured meticulous accuracy in all tasks and processes
- Cultivated and strengthened professional relationships to enhance collaboration
- Implemented and enforced safety practices to ensure workplace compliance
- Demonstrated proficiency in managing multiple tasks simultaneously under tight deadlines
- Executed comprehensive worksite preparation to ensure operational readiness
- Executed comprehensive equipment troubleshooting to ensure operational efficiency
Certification
- Electrical Safety Training
- Medium/ High Voltage Switching
- Substation Training
- TMEiC Certified
- OSHA 10 Construction
- Meter Testing Training
- Procedure Making Training
- PPE Training
- Basic Electrical Theory
- Fork Lift
- Boom Lift
- CPR
- AED
Timeline
Solar Field Technician
NovaSource Power Services – Oberon 1 & 2 (Intersect Power)
09.2023 - Current
Transmissions Supervisor / Radio Operator
United States Marine Corps – Camp Pendleton, CA
09.2019 - 09.2023
High School Diploma -
Prince Edward County High School
Communication Electronics School – MCCES
No Degree - Renewables
Airstreams Renewables Inc
AWARDS
National Defense Service Medal, Global War on Terrorism Service Medal, Sea Service Deployment Ribbon, Marine Corps Good Conduct Medal