Solar Technician

Vallum Associates; Groton (MA); On-site; USD 65,000 - 90,000; Full time

Job summary

Vallum Associates is seeking a Solar O&M Technician to support operation, maintenance, and troubleshooting of commercial & industrial solar PV systems. The role emphasizes hands-on electrical work, rooftop system knowledge, and safety-focused procedures.

You will perform preventive and corrective maintenance, troubleshoot inverters, inspect wiring and panels, and read electrical drawings. Candidates should have 2+ years of C&I solar or electrical maintenance experience and be willing to travel

Qualifications

• 2+ years of experience in C&I Solar O&M, solar installation, or electrical maintenance.
• Hands-on experience with commercial rooftop PV systems and inverters.
• Strong electrical troubleshooting and diagnostic skills.
• Experience with DC and AC electrical systems.
• Ability to read electrical drawings and single-line diagrams.
• Valid driver’s license and good driving record.
• OSHA 30 and/or NFPA 70E certification preferred.
• Comfortable working outdoors, at heights, and on commercial rooftops.
• Willingness to travel between C&I solar sites.

Responsibilities

• Perform preventive and corrective maintenance on C&I rooftop solar PV systems.
• Troubleshoot central and string inverters, including identifying and resolving system faults.
• Inspect and maintain DC/AC wiring, combiner boxes, disconnects, panels, and other electrical equipment.
• Diagnose issues affecting system performance and energy production.
• Perform electrical testing using multimeters, megohmmeters, and other diagnostic equipment.
• Read and interpret single-line diagrams, electrical drawings, and equipment manuals.
• Support commissioning, system startups, and equipment replacements as needed.
• Document maintenance activities, troubleshooting findings, and completed repairs.
• Coordinate with customers, site personnel, contractors, and O&M management.
• Follow NEC, OSHA, NFPA 70E, and site-specific safety requirements.
• Travel to commercial solar sites as required.

Skills

Electrical troubleshooting

PV systems knowledge

Reading electrical drawings

Outdoor work

Education

OSHA 30 / NFPA 70E training

Tools

Multimeters

Megohmmeters

Electrical testing equipment

Job description

We are seeking a Solar O&M Technician to support the operation, maintenance, and troubleshooting of Commercial & Industrial (C&I) solar PV systems. The ideal candidate will have hands-on electrical experience and strong knowledge of rooftop and commercial solar systems.

Responsibilities

• Perform preventive and corrective maintenance on C&I rooftop solar PV systems.
• Troubleshoot central and string inverters, including identifying and resolving system faults.
• Inspect and maintain DC/AC wiring, combiner boxes, disconnects, panels, and other electrical equipment.
• Diagnose issues affecting system performance and energy production.
• Perform electrical testing using multimeters, megohmmeters, and other diagnostic equipment.
• Read and interpret single-line diagrams, electrical drawings, and equipment manuals.
• Support commissioning, system startups, and equipment replacements as needed.
• Document maintenance activities, troubleshooting findings, and completed repairs.
• Coordinate with customers, site personnel, contractors, and O&M management.
• Follow NEC, OSHA, NFPA 70E, and site-specific safety requirements.
• Travel to commercial solar sites as required.

Qualifications

• 2+ years of experience in C&I Solar O&M, solar installation, or electrical maintenance.
• Hands-on experience with commercial rooftop PV systems and inverters.
• Strong electrical troubleshooting and diagnostic skills.
• Experience with DC and AC electrical systems.
• Ability to read electrical drawings and single-line diagrams.
• Valid driver's license and good driving record.
• OSHA 30 and/or NFPA 70E certification preferred.
• Comfortable working outdoors, at heights, and on commercial rooftops.
• Willingness to travel between C&I solar sites.