About RNWBL
About Us
At RNWBL, we know that our greatest strength lies in our people. We hire individuals who are driven by purpose and a commitment to excellence. Our team is dedicated to delivering superior service and ensuring client satisfaction at every step. Supporting some of the largest and most reputable companies in the industry, we are committed to pushing the boundaries of what's possible, providing innovative, safe, and cutting-edge solutions that set new industry standards. Power Your Purpose. Join Our Team.
Position Title
Senior High Voltage Technician
Who We Are
RNWBL provides specialized technical services to the renewable energy and power generation industries, supporting utility scale solar, battery energy storage, wind, and high voltage electrical infrastructure throughout the United States.
Our HV/MV Services division focuses on electrical testing, troubleshooting, commissioning, equipment repairs,
and infrastructure reliability. We are expanding our capabilities and seeking experienced technicians who want to contribute to a growing national electrical services platform. RNWBL is an equal opportunity employer. Employment decisions are based on qualifications, experience, and business needs, consistent with applicable law.
Position Summary
The Senior High Voltage Technician is responsible for the testing, commissioning, maintenance,
troubleshooting, and repair of high-voltage electrical equipment and systems. This position serves as a
technical leader in the field, ensuring the safe and reliable operation of power delivery infrastructure including
substations, transformers, switchgear, protective relays, breakers, and associated control systems. The Senior
High Voltage Technician provides technical guidance to junior personnel, supports project execution, and
ensures compliance with all applicable safety standards and procedures.
Key Responsibilities
Testing & Commissioning
• Perform acceptance, maintenance, and diagnostic testing of high-voltage electrical equipment.
• Commission new substations, transformers, breakers, switchgear, capacitors, reactors, and protection systems.
• Conduct electrical testing including:
o Transformer testing
o Circuit breaker testing
o Protective relay testing
o Current transformer (CT) and potential transformer (PT) testing
o Insulation resistance testing
o Power factor / dissipation factor testing
o Sweep Frequency Response Analysis (SFRA)
o Turns Ratio Testing (TTR)
o Battery and charger testing
o Ground grid testing
o Cable testing and fault location
Maintenance & Troubleshooting
• Diagnose and resolve failures in substation equipment and power systems.
• Analyze electrical test results and identify equipment degradation or abnormal conditions.
• Develop corrective action plans and recommend repairs or replacements.
• Support emergency outage response and system restoration activities.
Technical Leadership
• Lead field crews during testing, commissioning, and maintenance activities.
• Mentor and train junior technicians on equipment testing practices and safe work procedures.
• Review testing procedures, commissioning plans, and technical reports.
• Provide technical expertise during project planning and execution.
Documentation & Reporting
• Prepare detailed field service reports and test documentation.
• Maintain accurate records of testing, maintenance, and commissioning activities.
• Review engineering drawings, schematics, protection settings, and construction documentation.
• Ensure all work complies with company, customer, and regulatory requirements.
Safety & Compliance
• Promote a strong culture of safety and operational excellence.
• Lead job safety briefings and hazard assessments.
• Ensure compliance with OSHA, NFPA 70E, NERC, IEEE, and company safety requirements.
• Maintain qualifications and certifications required for energized and high-risk work activities.
Required Qualifications
Education
• Associate degree in Electrical Engineering Technology, Electronics Technology, Power Systems Technology, or a related field; or Equivalent combination of technical training and industry experience.
Experience
• Minimum of 5 years of experience in electrical testing, commissioning, and maintenance of high-
voltage power systems.
• Demonstrated experience with transmission and distribution substations from 4 kV through 500 kV.
• Experience leading field crews and commissioning projects.
Technical Knowledge
• Strong understanding of:
o Power transformers
o Protective relaying systems
o High-voltage circuit breakers
o Medium- and high-voltage switchgear
o Control circuits
o SCADA systems
o Electrical protection and control schemes
o Electrical power system analysis and diagnostics
Certifications (Preferred)
• NETA Level III or IV Certification
• NICET Certification
• OSHA 30-Hour Certification
• NFPA 70E Training
• First Aid / CPR Certification
Required Skills
• Advanced troubleshooting and diagnostic abilities.
• Strong leadership and mentoring skills.
• Excellent communication and technical writing capabilities.
• Ability to interpret electrical schematics, wiring diagrams, and protection drawings.
• Proficiency with electrical test equipment and software platforms.
• Effective project planning and organizational skills.
• Ability to work independently with minimal supervision.
Physical Requirements
• Ability to work outdoors in all weather conditions.
• Frequent standing, walking, climbing, lifting, and use of personal protective equipment.
• Ability to lift up to 50 pounds.
• Ability to climb ladders, access elevated structures, and work within energized substations.
Travel Requirements
• Travel required up to 90% depending on project location.
• Availability for overtime, emergency callouts, and extended work assignments.
• Valid driver's license with acceptable driving record
Benefits
- Competitive compensation
- Medical, dental, and vision insurance
- 401(k) with employer match
- Paid holidays and vacation time
- Career Growth Opportunities within Wind, Solar, and BESS sectors
- Employee Assistance Program (EAP)
- Continuous Professional Development Support
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