Medium Voltage /High Voltage Technician - 35 kVAC+(Travel)

Hanwha Convergence USA; Town of Texas (WI); On-site; USD 75,000 - 115,000; Full time

Job summary

Hanwha Convergence USA is seeking an experienced HV/MV Technician responsible for preventive and corrective maintenance on substations and MV collection systems up to 500kV in support of utility-scale solar and BESS projects nationwide. The ideal candidate has strong HV/MV expertise, reads one-lines and schematics, can execute switching procedures, and adheres to OSHA, NFPA 70E, NEC, and IEEE standards.

Travel to field sites across the country is expected.

Qualifications

• 2-5 years HV/MV field experience (500kV and below).
• Strong technical background in substation maintenance and MV collection systems.
• Ability to read and interpret one-lines, schematics, and relay drawings.
• Experience executing switching procedures under formal switching authority.
• Familiarity with safety regulations and compliance standards.
• Journeyman or Master Electrician license.
• NETA Certification.
• Protection and Controls experience.
• Experience in utility-scale solar or BESS environments.

Responsibilities

• Complete CMMS work orders accurately and on time.
• Submit detailed service reports after maintenance activities.
• Support warranty documentation and vendor coordination.
• Maintain accurate switching logs and test reports.
• Perform maintenance on substation equipment up to 500kV (switches, disconnects, CTs/PTs, transformers, LTCs).
• Perform maintenance on MV collection systems (15kV-35kV) including splices and terminations.
• Execute HV/MV switching procedures in coordination with system operators and utilities.
• Install and remove protective grounds.
• Support transformer oil sampling and DGA coordination.
• Assist with cable fault locating, insulation resistance testing (megger), and VLF testing.

Skills

HV/MV field

Substation maintenance

SCADA troubleshooting

Protection & Controls

Relay drawings

Safety compliance

Education

Journeyman Electrician

Master Electrician

NETA Certification

Tools

SCADA

CMMS

Megger

Job description

Hanwha Convergence USA is a leading provider of O&M Services for Solar and Energy Storage Systems, leveraging our industry-leading IT and engineering capabilities. In addition, we are a trusted smart factory solutions provider, supplying top-notch integrated control and monitoring systems. Our company is committed to bringing tomorrow’s dreams to life and creating a smarter world with our customers by adding value to technology.

Position Summary:.

The HV/MV Technician is responsible for performing preventative and corrective maintenance on substation, medium-voltage collection, and high-voltage equipment up to 500kV in support of utility-scale solar PV and battery energy storage (BESS) facilities nationwide. This role requires strong technical expertise in HV/MV systems, disciplined adherence to safety standards, and the ability to execute switching, troubleshooting, and diagnostic activities in energized environments.

The HV/MV Technician supports safe, reliable plant operations by executing switching procedures, conducting advanced electrical testing, supporting outage response, and ensuring compliance with OSHA, NFPA 70E, NEC, IEEE, NERC (as applicable), and utility-specific standards.

Essential Duties and Responsibilities:

• Complete CMMS work orders accurately and on time.
• Submit detailed service reports after corrective and preventative maintenance activities.
• Support warranty documentation and vendor coordination.
• Maintain accurate switching logs and test reports.
• Perform preventative and corrective maintenance on substation equipment up to 500kV, including:
• Switches and disconnects
• CTs and PTs
• Transformers and LTCs
• Capacitor banks and reactors
• Surge arresters
• Bus systems and grounding grids
• Perform maintenance on MV collection systems (15kV-35kV), including:
• Dead-break elbows and terminations
• Cable splices
• Junction boxes and switchgear
• Execute approved HV/MV switching procedures in coordination with system operators and utilities.
• Install and remove protective grounds.
• Support transformer oil sampling and diagnostic review (DGA coordination).
• Assist with cable fault locating, insulation resistance testing (megger), and VLF testing.

Education and/or Experience Requirements:

• 2-5 years of relevant HV/MV field experience (500kV and below).
• Strong technical background in substation maintenance and MV collection systems.
• Ability to read and interpret one-lines, schematics, and relay drawings.
• Experience executing switching procedures under formal switching authority.
• Familiarity with safety regulations and compliance standards.
• Journeyman or Master Electrician license.
• NETA Certification.
• Protection and Controls experience.
• Experience in utility-scale solar or BESS environments.
• Completion of substation maintenance training programs.
• Experience with remote diagnostics and SCADA-supported troubleshooting.

What Will Put You Ahead

• Demonstrated HV/MV switching authority.
• Experience supporting renewable energy assets (solar/BESS).
• Experience with relay event review and protection troubleshooting.
• Field experience responding to forced outages.
• Advanced electrical testing experience (NETA-level preferred).

Physical Requirements / Work Environment:

Physical Requirements

• Ability to work outdoors in various weather conditions (heat, cold, rain, snow, wind).
• Capable of lifting and carrying up to 50 lbs. regularly.
• Ability to stand, walk, climb, stoop, and bend for extended periods.
• Comfortable working at heights, around energized equipment, and in confined spaces as required.
• Manual dexterity to handle tools, instruments, and testing equipment.
• Ability to wear required personal protective equipment (PPE), including hard hats, gloves, safety glasses, FR clothing, and fall protection gear.
• Must have the stamina to work extended shifts, weekends, or travel as projects require.
• Field-based role with regular travel to customer sites nationwide.
• Exposure to high-voltage equipment, electrical hazards, and heavy machinery (strict adherence to safety standards required).
• Work performed both indoors (substations, control rooms) and outdoors (construction or operational sites).
• Collaborative team environment with direct interaction with customers, engineers, and field staff.
• May involve irregular schedules and on-call availability to support urgent field service needs.

Hanwha Convergence is proud to be an at-will Equal Opportunity Employer and prohibits discrimination against race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, pregnancy, citizenship, disability, protected veteran status and any other classification protected by applicable federal, state or local law. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. We are committed to the full inclusion of all qualified individuals. As part of this commitment, Hanwha Convergence will provide reasonable accommodations to all qualified individuals with disabilities to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment. Please contact us to request accommodations. Nothing in this statement shall imply implicitly or explicitly a guarantee of employment outside our at-will employment opportunity. You may view your privacy rights by reviewing Hanwha Convergence Privacy Policy here or contacting our HR Team for a copy.