HVMV Tech

Hanwha Convergence USA Corp.; Houston (TX); On-site; USD 75,000 - 120,000; Full time

Job summary

Hanwha Convergence USA is seeking an HV/MV Technician to perform preventative and corrective maintenance on substation and MV collection systems nationwide. The role requires switching, testing, and diagnostic work in energized environments with strict safety adherence.

You will support safe plant operations, document switching logs and test results, and coordinate with utilities and vendors while traveling to customer sites as needed.

Qualifications

• 2–5 years of 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.

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.

Skills

HV/MV switching

Electrical testing

Safety compliance

Reading schematics

Field troubleshooting

Education

Journeyman Electrician license

Master Electrician license

NETA Certification

Substation maintenance training

Tools

SCADA

Megger

DGA coordination tools

Job description

Hanwha Convergence USA is a leading provider of O&M Servies 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.

Note for external recruiting firms:We are not accepting unsolicited resumes at this time. Please do not contact our employees regarding this position.

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.

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in Hanwha Convergence’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.