POSITION SUMMARY
The Field Service Technician Level 3 (FST3) is a mid-level technician capable of independently performing standard maintenance, testing, and troubleshooting activities on electrical power distribution and critical power systems. This role assumes ownership of assigned scopes, supports commissioning and corrective work, and mentors junior technicians.
CORE RESPONSIBILITIES
* Independently perform preventive maintenance and testing on LV and MV switchgear, breakers, ATS, RPPs, and PDUs.
* Execute insulation resistance, continuity, and basic functional testing with minimal supervision.
* Perform breaker removal, inspection, and reinstallation under established procedures.
* Support generator maintenance, load testing, and operational checks.
* Perform transformer inspections, tap changes, and assist with oil sampling.
* Read and interpret one-line diagrams and schematics to support troubleshooting.
* Lead portions of job execution and oversee apprentices and FST2 personnel.
REQUIRED SKILLS & KNOWLEDGE
* Proficient with electrical test equipment and torque tools.
* Solid understanding of LV/MV systems, grounding, and protection concepts.
* Ability to troubleshoot common electrical issues.
* Strong safety compliance and documentation practices.
QUALIFICATIONS
* High school diploma or GED required.
* 3–5 years relevant field service experience.
* OSHA 10/30 preferred.
* Valid driver’s license.
PHYSICAL REQUIREMENTS
* Ability to lift up to 50 lbs.
* Ability to work in industrial environments and confined spaces.
* Willingness to travel to job sites as required (40-60%).
CAREER PROGRESSION
Prepares technician for senior-level field leadership and complex system responsibilities.
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