Field Service Technician

Shermco Industries

. Inspect, test, troubleshoot, perform start-up and collect data at industrial and commercial customer sites .

Posted 9/21/2026full-timeSan Antonio • Texas • United StatesJuniorMid-Level💰 $40 - $65 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in testing and troubleshooting low-, medium-, and high-voltage electrical systems, including switchgear and transformers, while adhering to safety standards. Proficient in data collection and analysis, with strong problem-solving skills in emergency situations.

Highest-signal resume keywords

Electrical System TestingSwitchgear TroubleshootingRelay CalibrationNETA CertificationElectrical Safety Procedures

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Testing Low-, Medium-, and High-Voltage SystemsInstrument Transformer TestingPower Transformer TestingCable TestingAutomatic Transfer Switch TroubleshootingRelay TestingPower MeteringData CollectionElectrical TroubleshootingEmergency Response

Soft Skills

Team CollaborationProblem-SolvingCommunication

Tools & Technologies

DobleTTRInsulation Resistance TestingPowerDBMicrosoft Excel

Certifications & Qualifications

NETA CertificationOSHA 30 HourCPR/First Aid/BBP/AED Training

Industry Keywords

Electrical Power & ControlsHigh-Voltage TestingElectrical SafetyMilitary Electrical TrainingFit for Duty Physical Exam

About the role

Key responsibilities & impact

Inspect, test, troubleshoot, perform start-up and collect data at industrial and commercial customer sites
Test low-, medium- and high-voltage electrical systems from 480 Volt to 600 kV
Perform instrument transformer tests
Conduct power transformer testing using Doble, TTR, insulation resistance and related methods
Test electro-mechanical and solid-state relays
Perform cable testing including Tan Delta, Power Factor, VLF and DC Hipot
Troubleshoot automatic transfer switches
Test low-, medium- and high-voltage switchgear and circuit breakers
Perform moderately complex relay calibration and power metering
Rotate emergency on-call duty and respond to customer emergencies in a timely manner
Work with a team of professionals to complete work safely, efficiently and to high quality standards

Requirements

What you’ll need

Must be able to drive daily locally/regionally and be available for periodic overnight travel
Prefer an Associate’s degree from an accredited 2 year technical college in Electrical Power & Controls (EPC), or an EE Degree from an ABET accredited college
Similar experience and training from the military (Army Prime Power, Air Force Electrical Power Production, or NAVY Seabee) accepted
NETA Certification (I, II, III or IV) or similar desired
At least 2 or more years of relevant experience performing switchgear testing & troubleshooting
Good PC skills including email, internet, data entry and Microsoft Excel; PowerDB experience a plus
Must be able to work safely and adhere to all electrical safety procedures
OSHA 30 hour, MSHA, NFPA 70-E, CPR/First Aid/BBP/AED training preferred
Must remain drug-free and pass pre-employment and random drug tests
Must pass an acceptable pre-employment criminal background check
Must be physically fit to crawl, climb, stand, walk and lift up to 75 lbs., with or without reasonable accommodations
Must pass a fit for duty physical exam
Valid driver’s license and maintain a good driving record
Willing to work flexible hours and overtime, including occasional weekends, holidays and nights
Must not currently or in the future require sponsorship to work in the U.S.
Must be able to read, write, and speak English fluently
Willing to travel; minimum 40%

Benefits

Comp & perks

Training on OSHA 30 hour, MSHA, NFPA 70-E, CPR/First Aid/BBP/AED can be provided by Shermco
Overtime opportunities
Equal opportunity employer
Drug-free workplace