Medium Voltage Field Service Technician – Switchgear / Transformers / Protective Relays / Power[...]

Liberty Personnel Services, Inc.; New York (NY); Hybrid; USD 75,000 - 95,000; Full time

Job summary

Liberty Personnel Services, Inc. is urgently seeking a Medium Voltage Field Service Technician. The role involves installing, testing, and maintaining medium voltage electrical distribution equipment across various critical infrastructures. Candidates should have a strong background in medium voltage systems and excellent troubleshooting skills.

Qualified candidates will possess at least 3 years of relevant experience and a High School Diploma. This position requires effective communication and a commitment to safety and quality.

Qualifications

• 3+ years experience with medium voltage electrical equipment.
• Ability to read and interpret electrical drawings and safety practices.
• Valid driver's license and willingness to travel.

Responsibilities

• Perform field testing and maintenance of electrical equipment.
• Service switchgear and transformers.
• Conduct testing and prepare service reports.

Skills

Medium voltage electrical equipment experience

Electrical safety practices

Troubleshooting and diagnostic capabilities

Customer service skills

Education

High School Diploma or GED

Tools

Electrical schematics

Power Distribution Systems

UPS Systems

ATS Systems

Job description

Medium Voltage Field Service Technician – Switchgear / Transformers / Protective Relays / Power Distribution

Medium Voltage Field Service Technician – Switchgear / Transformers / Protective Relays / Power Distribution

URGENT NEED!

We are seeking a Medium Voltage Field Service Technician to support the installation, testing, commissioning, maintenance, and troubleshooting of medium voltage electrical distribution equipment. This position plays a key role in ensuring the reliability and performance of critical electrical infrastructure across utility, industrial, commercial, and mission‑critical facilities.

Key Responsibilities

• Perform field testing, commissioning, startup, troubleshooting, and maintenance of medium voltage electrical equipment.
• Service and inspect switchgear, transformers, circuit breakers, protective relays, motor control equipment, and power distribution systems.
• Conduct preventative and corrective maintenance activities on electrical infrastructure.
• Perform acceptance testing, relay testing, insulation resistance testing, and power system diagnostics.
• Interpret electrical schematics, single‑line diagrams, protection and control drawings, and equipment documentation.
• Support equipment energization, outage planning, and startup activities.
• Coordinate with customers, project managers, engineers, and subcontractors to ensure successful project execution.
• Prepare service reports, test documentation, and commissioning records.
• Maintain compliance with all company, client, OSHA, and NFPA safety requirements.

Qualifications

• High School Diploma or GED required.
• 3+ years of experience working with medium voltage electrical equipment.
• Experience commissioning, testing, troubleshooting, installing, and maintaining switchgear, transformers, circuit breakers, protective relays, substations, power distribution systems, UPS (Uninterruptible Power Supply) systems, ATS (Automatic Transfer Switches), and standby generators.
• Ability to read and interpret electrical drawings, schematics, and protection diagrams.
• Understanding of electrical safety practices including LOTO and NFPA 70E.
• Valid driver's license and willingness to travel to customer sites.
• Ability to pass background and driving record checks.

Preferred Experience

• Medium voltage switchgear (5kV–35kV)
• Power transformers
• Circuit breakers and reclosers
• Electrical acceptance testing
• Relay commissioning and troubleshooting
• UPS (Uninterruptible Power Supply) systems
• Automatic Transfer Switches (ATS)
• Generator installation, commissioning, startup, maintenance, and troubleshooting
• Utility, industrial, renewable energy, data center, healthcare, mission‑critical, or critical infrastructure environments
• Strong troubleshooting and diagnostic capabilities.
• Experience supporting critical power infrastructure including UPS systems, ATS equipment, standby generators, switchgear, transformers, and protective relays.
• Excellent communication and customer service skills.
• Ability to work independently in field environments.
• Strong organizational and documentation skills.
• Commitment to safety, quality, and continuous learning.
• Ability to manage multiple projects and priorities simultaneously.