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Field Service Technician | Job Description

GENERAL DEFINITION : Inspect, assemble, oil fill and test high voltage power transformers. Inspect, test, repair, and maintain electrical equipment in generating stations, substations, and in-service relays. 


•    Inspect, assemble, vacuum process, oil fill and High Voltage transformers

•    Construct, test, maintain, and repair substation relay and control systems.

•    Inspect and test equipment and circuits to identify malfunctions or defects, using wiring diagrams and testing devices such as ohmmeters, voltmeters, or ammeters.

•    Consult manuals, schematics, wiring diagrams, and engineering personnel to troubleshoot and solve equipment problems and to determine optimum equipment functioning.

•    Open and close switches to isolate defective relays, performing adjustments or repairs.

Tools & Technology 

Experience in the following power distribution and substation components is preferred. 

•    Oil handling, pumping and treating (Mineral, Silicone, PCB) and taking oil samples.

•    Low voltage circuit breaker preventive maintenance, repair, primary and secondary

•    Injection of trip unit boxes.

•    Low voltage motor control circuit bucket testing.

•    Medium voltage circuit breaker preventive maintenance, repair and bottle testing.

•    Oil circuit breaker removal, preventive maintenance, bushinlg and mechanical repairs.

•    SF6 circuit breaker installation, filling and testing.

•    Motor operated circuit breaker installation, maintenance, filling and testing.

•    Manual operated disconnect switch installation, maintenance and repair.

•    DC and AC VLF cable testing.

•    Three point fall of potential earth ground testing.

•    Transformer installation, assembly and testing.

•    Limited experience with testing electromechanically time over current and reclosing relays.

Experience with the following electrical test equipment. 

•    Voltage and current Fluke multimeter.

•    Insulation test set (Megohmmeter).

•    Low/High current contact resistance test set.

•    Primary and Secondary injection test sets for low voltage breakers.

•    Current transformer test set (Single and Multi ratio).

•    Transformer power factor test set.

•    Transformer winding resistance test set.

•    Transformer turns to turns ratio test set.

•    DC and VLF high pot test set.

•    Earth ground resistance test set.

•    Phase rotation meter.


•   Critical Thinking - Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems.

•    Equipment Maintenance - Performing routine maintenance on equipment and determining when and what kind of maintenance is needed.

•    Reading Comprehension - Understanding written sentences and paragraphs in work related documents.

•    Repairing - Repairing machines or systems using the needed tools.

•    Active Listening - Giving full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate, and not interrupting at inappropriate times.


•    Hard working, responsible, team player.

•    Following instructions and given assignments

•    Great communication skills

•    Organizational, motivational and troubleshooting skills.

•    Experienced in providing customer service and working under pressure.

•    Passion to learn new skills, complete required training and to explore new possibilities and positions within the company.

•    Valid driver license (CDL preferred)


•    Wearing Protective or Safety Equipment including FR clothing, Safety Shoes, Glasses, Gloves, Hard Hats, body harnesses and other as tasks require.

•    Working outdoors, exposed to hazardous cold and hot weather conditions

•    Required to work at heights up to 50'.

•    Repetitive wrenching, utilizing both hands at the same time

•    Work shifts ranging from 8 hours to 24 hour shifts depending on task.

•    Extensive travel and time away from home residence.

•    Repetitive climbing up and down ladders.

•    Heavy lifting up to 751bs individually and team lifting up to 300lbs.


Dependability - Job requires being reliable, responsible, and dependable, and fulfilling obligations.


Analytical Thinking - Job requires analyzing information and using logic to address work-related issues and problems.


Attention to Detail - Job requires being careful about detail and thorough in completing work tasks.


Following Instructions- Job requires following the instructions and procedures given by senior co-workers to complete the company, tasks and project objectives


Independence - Job requires at times guiding oneself with little or no supervision, and depending on oneself to get things done.

Teamwork - Job requires working with co-workers safely and effectively to complete projects in a timely manner. Selflessness and Team priorities are essential to a successful project.


Initiative - Job requires a willingness to take on responsibilities and challenges.

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