High-Voltage Circuit Breaker Technician - Travel & Overtime

Shermco Industries; Grimes (IA); On-site; USD 34,440 - 48,216; Full time

Job summary

Shermco Industries seeks an experienced Circuit Breaker Technician to perform teardown, assembly, testing and repair of low, medium and high‑voltage switchgear. You will work with a range of breakers (up to 3000A) and travel to client sites for onsite testing and service.

The role requires strong mechanical skills, reading schematics, and proficiency with testing equipment such as Megger, multimeter and oscilloscope. Overtime, travel up to 20% and a background check are required.

Qualifications

• High school diploma or GED required; electro‑mechanical training preferred.
• Experience rebuilding, repairing, and retrofitting circuit breakers.
• 480V to 15KV circuit breaker experience desired.
• PEARL breaker certification desirable.
• Prefer testing skills and understanding of basic electrical and mechanical testing procedures.
• Experience at an OEM breaker manufacturer a plus.
• Strong mechanical skills and experience with engines, pneumatics, hydraulics, or diesel equipment.
• Working knowledge of power systems, power circuit breakers and switchgear.
• Experience using Megger, multimeter, Hi‑Pot tester, oil dielectric tester and related equipment.
• Ability to read and interpret schematics and wiring diagrams.

Responsibilities

• Work on low and medium voltage circuit breakers from various manufacturers.
• Occasionally travel overnight to job sites for onsite breaker testing and repair.
• Troubleshoot, rebuild, retrofit, test and repair switchgear including teardown and assembly of breakers and related equipment.
• Operate high‑voltage switchgear up to 3000A and accompanying tests and equipment.

Skills

Circuit breaker repair

Reading schematics

Mechanical aptitude

Travel readiness

Education

High School Diploma or GED

Electro-mechanical training

Experience with 480V-15kV breakers

Tools

Megger

Digital multimeter

Hi‑Pot tester

Oil Dielectric tester

Multiamps relay tester

Primary & secondary injection set

Cable fault detector

Oscilloscope

Job description

Shermco Industries seeks an experienced Circuit Breaker Technician to perform teardown, assembly, testing and repair of low, medium and high‑voltage switchgear. You will work with a range of breakers (up to 3000A) and travel to client sites for onsite testing and service.

The role requires strong mechanical skills, reading schematics, and proficiency with testing equipment such as Megger, multimeter and oscilloscope. Overtime, travel up to 20% and a background check are required.