High Voltage Testing Technician

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About Us

R.R. Cassidy, a Quanta Services, Inc. (NYSE:

PWR) company founded in 1975, brings together more than 45 years of hands‑on construction expertise and specialized equipment to handle a diverse range of sub‑surface and pole‑setting projects. With a growing presence throughout the southern United States and the Midwest, our organization values drive, inclusion, career development, and the contribution of each team member.

We are seeking an experienced High Voltage Testing Technician focused on substation relay and apparatus testing, ensuring electrical power systems are safely and efficiently commissioned. The role requires willingness to travel extensively across the country.

• Test electrical equipment in substations, including protection relays, RTUs, breakers, and transformers.
• Conduct functional testing of relays, RTUs, and other protection equipment to verify proper operation and integration.
• Review project electrical drawings and relay settings to ensure readiness for commissioning.
• Read and interpret electrical drawings, schematics, and wiring diagrams.
• Proactively resolve issues related to insufficient equipment and site materials.
• Perform visual inspections and equipment checkouts, including necessary electrical tests.
• Maintain documentation and records of testing and commissioning activities.
• Follow all safety protocols, executing pre‑energization safety checks.
• Travel to project sites as needed, with some trips lasting several weeks.
• Other duties may be assigned.

• 2‑year Associate Degree in Electrical Engineering, Electronics, or a related field (Preferred).
• 3 years of experience in high‑voltage testing and commissioning.
• Familiarity with test equipment such as Omicron, Megger, Doble, etc.
• Expertise reading and interpreting electrical single‑line diagrams, three‑line drawings, schematics, wiring diagrams, network diagrams, and mechanical drawings.
• Experience testing and commissioning protection equipment and devices (e.g., protective relays, RTUs, breakers, transformers).
• Understanding of electrical hazards (shock, arc flash) and commitment to safety practices.

• Extensive travel is required, with some trips lasting several weeks. Travel schedules are planned in advance.

• A collaborative and supportive team environment.
• Competitive salary and benefits package.
• Career growth opportunities in a growing organization.
• 401(k) with immediate matching and vesting.
• Comprehensive benefits:
  Medical, Dental, Vision, STD, LTD, Life.
• Choice of PPO, HSA, FSA.
• Employee discounts on consumer goods.

Equal Opportunity Employer

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, national origin or ancestry, sex (including gender, pregnancy, sexual orientation, and/or gender identity), age, disability, genetic information, veteran status, and/or any other basis protected by applicable federal, state or local law. We prohibit all types of discrimination and are committed to providing access and equal opportunity for individuals with disabilities.

For additional information or if reasonable accommodation is needed, please contact the Company’s Human Resources department.