High Voltage Electrician

Coho Technology Solutions is an experienced High Voltage Electrician to install, maintain, inspect, troubleshoot, and repair high-voltage electrical distribution systems and power-generating equipment in Great Lakes, Illinois. This position supports the operation and maintenance of complex electrical infrastructure, including substations, transformers, switchgear, shore power systems, and overhead and underground electrical distribution lines.

The successful candidate will possess extensive knowledge of high-voltage electrical systems, power distribution equipment, and AC/DC electrical principles. This individual must be capable of diagnosing and resolving complex electrical issues, performing equipment testing and repairs, and supporting shore power operations while maintaining strict compliance with established safety procedures and operational standards.

Responsibilities (include but are not limited to):

• Install, modify, maintain, test, and repair electrical generation and distribution equipment, including transformers, circuit breakers, switchgear, fuses, capacitors, insulators, and protective devices.
• Work with electrical distribution systems ranging from 480 volts to 69,000 volts.
• Install, maintain, and repair overhead and underground electrical distribution lines, cables, connections, and associated components.
• Troubleshoot electrical distribution circuits, generating equipment, and control systems to identify outages, short circuits, grounds, cable breaks, and equipment malfunctions.
• Conduct electrical testing and inspections using specialized instruments, including voltmeters, ammeters, ohmmeters, meggers, phase rotation meters, and cable fault-locating equipment.
• Install, connect, maintain, and test transformers, regulators, rectifiers, circuit breakers, and associated electrical control equipment.
• Perform cable splicing, terminations, and repairs using mechanical connectors, soldering equipment, splicing clamps, and appropriate insulation materials.
• Diagnose and repair switchgear, transformer banks, circuit breakers, electrical controls, relays, and supervisory control systems.
• Perform emergency electrical cutouts, equipment substitutions, and repairs to restore electrical service and minimize service interruptions.
• Connect and disconnect AC and DC shore power systems to submarines, ships, and other vessels in accordance with established Standard Operating Procedures (SOPs).
• Determine appropriate phase sequence, voltage, and amperage requirements when connecting vessels to shore power systems.
• Install, assemble, maintain, and troubleshoot shore power cables, plugs, cam-lock equipment, and electrical connections while ensuring proper phasing.
• Operate line trucks, buggy trucks, and reel trucks to transport and position shore power cables between piers.
• Conduct electrical inspections, monitor equipment operating conditions, record meter readings, and report abnormal operating conditions.
• Follow Lockout/Tagout (LOTO) procedures and all applicable electrical safety requirements.
• Complete required operational documentation, including shore power connection and disconnection records and equipment readings.
• Maintain electrical distribution systems and equipment to ensure safe, reliable, and efficient operation.
• Perform additional electrical maintenance and repair duties as assigned.

Essential Job Qualifications and Requirements:

• Required Experience:
  
  
  
  • Demonstrated experience troubleshooting high-voltage electrical systems and identifying equipment failures, cable defects, and electrical faults
  
  
  
  

• Required Knowledge and Technical Skills:
  
  
  
  • Strong understanding of AC and DC electrical theory, circuit principles, and high-voltage electrical distribution systems
  • Knowledge of electrical generation and distribution equipment, including generators, transformers, circuit breakers, switchgear, and associated control systems
  • Ability to read and interpret electrical schematics, circuit diagrams, wiring drawings, maintenance manuals, and technical instructions
  • Proficiency in using electrical testing and diagnostic equipment, including voltmeters, ammeters, meggers, phase sticks, phase rotation meters, and cable-locating equipment
  • Knowledge of electrical cable splicing, terminations, and installation techniques
  • Understanding of transformers, series and parallel circuits, line loading, electrical capacity, and equipment operating limitations
  • Knowledge of electrical safety practices, emergency procedures, and the proper use of insulated tools and personal protective equipment (PPE)
  • Ability to follow written and verbal instructions, work orders, and established Standard Operating Procedures (SOPs)
  • Basic mathematical skills, including the ability to calculate electrical values such as amperage and resistance
  • Ability to operate government vehicles and maintain the required vehicle operator's permit
  
  
  
  

• Physical Requirements:
  
  
  
  • Ability to lift and carry 40 pounds or more, with assistance when necessary
  • Ability to climb ladders and work at elevated heights, including overhead platforms
  • Ability to kneel, stoop, crouch, stand, and work in confined or physically demanding positions
  • Ability to perform physically demanding tasks for extended periods, including fast-paced work lasting eight hours or longer
  • Manual dexterity and hand-eye coordination necessary to operate tools, adjust equipment, and perform electrical repairs
  • Ability to distinguish color-coded electrical wiring and circuits
  
  
  
  

• Working Conditions:
  
  
  
  • Work involves exposure to high-voltage electrical conductors and energized or unprotected switchgear, with electrical systems operating at voltages up to 34,500 volts
  • Approximately 60% of the work is performed outdoors in varied weather conditions, with the remaining 40% performed indoors
  • Work environments may involve exposure to extreme heat and cold, dust, dirt, high noise levels, poor lighting, dampness, and other uncomfortable conditions
  • May be required to work on energized electrical systems using approved equipment, methods, and established safety precautions.
  • Subject to emergency callbacks on short notice during hurricanes, storms, and other emergency situations
  • Overtime, irregular work schedules, and weekend assignments may be required
  
  
  
  

• Safety Expectations:
  
  
  
  • The High Voltage Electrician must consistently adhere to established electrical safety procedures, including Lockout/Tagout (LOTO) requirements and the proper use of personal protective equipment (PPE) and insulated tools. All work must be performed in accordance with applicable Standard Operating Procedures (SOPs), electrical safety requirements, and established industry standards to protect personnel, equipment, vessels, and electrical infrastructure