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Overnight Relay Tester Jobs in Texas (NOW HIRING)

Our Relay Wiremen specialize in constructing, testing, maintaining, and repairing substation ... Yes, with overnight stay. Company Vehicle: Based on Level of Experience (Entry Level can earn after ...

Our Relay Wiremen specialize in constructing, testing, maintaining, and repairing substation ... Yes, with overnight stay. Company Vehicle: Based on Level of Experience (Entry Level can earn after ...

The position is located at our Boerne office and may require some overnight travel to project sites ... Provide remote and/or on-site support for relay testing & commissioning * Perform other duties as ...

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Overnight Relay Tester information

What is an overnight relay tester?

Overnight Relay Testers are professionals who work during nighttime hours to inspect, test, and troubleshoot electrical relays, typically in industrial or utility settings like power plants or substations. Their main responsibility is to ensure that relays, which are critical safety and control devices, function correctly to prevent equipment failures or unsafe operating conditions. Working overnight helps minimize disruptions to daytime operations and allows for scheduled maintenance or urgent repairs. This role requires strong technical knowledge, attention to detail, and the ability to work independently during off-hours.

What are the key skills and qualifications needed to thrive as an overnight relay tester?

To thrive as an Overnight Relay Tester, you need a solid understanding of electrical systems, relay logic, and testing procedures, typically supported by a technical degree or equivalent experience in electrical engineering or a related field. Familiarity with industry-standard relay testing equipment, such as Omicron or Doble test sets, and relevant safety certifications are essential. Attention to detail, problem-solving skills, and the ability to work independently during overnight shifts set top performers apart. These skills ensure accurate and safe testing of protective relays, which is critical for reliable power system operation.

What are some common challenges faced by overnight relay testers, and how can they effectively manage them?

Overnight Relay Testers often work independently during late hours, which can present challenges such as staying alert, troubleshooting issues without immediate support, and ensuring accurate documentation. Managing circadian rhythms and maintaining focus are essential, so establishing a healthy sleep schedule and taking regular breaks can help. Additionally, strong communication with day-shift teams and clear handover notes ensure continuity and safety in relay testing operations.

What is the difference between Overnight Relay Tester vs Cable Splicer?

AspectOvernight Relay TesterCable Splicer
CertificationsFiber optic or telecommunications testing certificationsFiber optic or telecommunications splicing certifications
Work EnvironmentIndoor testing facilities, sometimes outdoor at nightOutdoor fieldwork, often at installation sites
Job FocusTesting and troubleshooting relay systems overnightSplicing and installing fiber optic cables
Industry UsageTelecommunications, utility companiesTelecommunications, utility companies

While both roles operate within the telecommunications industry and may require similar certifications, the Overnight Relay Tester primarily focuses on testing relay systems overnight, often indoors or at night, whereas the Cable Splicer specializes in installing and splicing fiber optic cables in outdoor environments. Understanding these differences helps job seekers identify the right career path based on their skills and interests.

How do you become an Overnight Relay Tester?

To become an Overnight Relay Tester, candidates typically need a high school diploma or equivalent and should have strong attention to detail and technical skills. Relevant experience with electrical systems, testing equipment, or telecommunications is often preferred, and some positions may require certification or training in testing procedures. The job usually involves working overnight shifts in a controlled environment to ensure relay systems function correctly.

What are the most commonly searched types of Relay Tester jobs in Texas?

The most popular types of Relay Tester jobs in Texas are:

What cities in Texas are hiring for Overnight Relay Tester jobs?

Cities in Texas with the most Overnight Relay Tester job openings:

Testing & Commissioning Engineer II, III, Sr - Substation Experience - DFW

Ampirical

Dallas, TX • On-site

$79 - $198/hr

Other

Medical, Dental, Vision, Retirement, PTO

Posted yesterday

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Ampirical rating

7.9

Company rating: 7.9 out of 10

Based on 7 frontline employees who took The Breakroom Quiz

223rd of 452 rated engineering


Job description

This role is a remote position with high travel (up to 75%) with specific needs in the Dallas- Forth Worth Area About Ampirical

At Ampirical, we're shaping the future of the power grid with precision, innovation, and purpose. Just as the ampere is the foundation of electric current, Ampirical is a core force driving the energy sector forward. We focus on quality, forward-thinking solutions, and empowering our team to grow and thrive.

We don’t just build projects—we build careers. If you’re looking for a place where your contributions matter and your professional development is supported every step of the way, we’d love to meet you. Watch this video to get a glimpse into our culture.

Why Ampirical?
  • Hourly Rate: $38/HR - $95/HR- Commensurate (dependent on experience, education, and qualifications)
  • Profit-Sharing Bonus: Semi-annual, performance-based (10% to 20% of salary)
  • Day-One Benefits: Medical, Dental, Vision
  • 401(k) with 4% match and immediate vesting
  • PTO: Starting at 80 hours of vacation & 40 hours of sick time per year + 10 paid holidays
  • Career Development: Advancement opportunities, tuition reimbursement
  • Perks: Gym membership stipend, wellness program, fertility benefits, pet insurance, and more
Your Role:Power Commissioning Engineer II, III, Sr. or Staff - Substation Experience - Remote with Travel What You’ll Do:
  • Develop commissioning plans for substation projects, including physical design and protection & control (P&C) components.

  • Create relay settings files for SEL, GE, and Basler relays using protection summaries and AC/DC schematics.

  • Perform testing and commissioning on substation equipment such as circuit breakers, power transformers, CTs/PTs, switches, bus systems, and protective relays.

  • Conduct electrical testing including insulation resistance, contact resistance, power factor (Doble), TTR, winding resistance, timing, SFRA, and GPS-based end-to-end relay testing.

  • Test current transformers, relay panels, and verify full protective relay functionality.

  • Support and perform SCADA and SCADA/RTU I/O verification, including automation testing.

  • Adjust and verify the operation of group-operated switches.

  • Troubleshoot relay misoperations, equipment failures, and protection logic issues.

  • Interpret and verify one-line diagrams, wiring schematics, protection logic, and as-built drawings.

  • Operate industry-standard test equipment including Megger, Doble, Vanguard, and Omicron.

  • Maintain accurate documentation including test reports, relay settings, and redline/as-built drawings.

  • Ensure compliance with NETA, NERC PRC, OSHA, NFPA 70E, and utility safety standards.

  • Collaborate with engineers, design teams, utilities, contractors, and field personnel.

  • Travel regionally or nationally 100%, including overnight stays.

Minimum Requirements
  • Bachelors Degree from an ABET credited school and minimum 2+ years for II (4+ years for III or 6+ years for Sr. or 8+ years for Staff ) of experience in testing and commissioning substations or related technical experience

  • Valid driver’s license

  • Ability to pass drug and background screenings

  • No travel restrictions

  • Strong mechanical/technical aptitude and safety-first mindset

  • NICET Level I (Power Testing) or higher preferred

  • Ability to obtain a TWIC card

Preferred Qualifications
  • OSHA 10 or 30

  • OSHA Electrical Safety / NFPA 70E (or ability to obtain)

  • Experience in energized substations under utility safety rules

  • Familiarity with SEL, GE, ABB, Siemens, Basler, and other relay manufacturers

  • Knowledge of NETA ATS/ASTM, IEEE, NERC PRC, and NESC standards

  • Experience:

    • Detailed knowledge of relay systems and substation equipment

    • Understanding of substation physical design and P&C

    • Understanding of protection concepts around bus, transformer, transmission line, and distribution line protection

    • Ability to work independently in energized substations

    • Strong drawing/schematic interpretation skills

What Success Looks Like:
  • Strong documentation discipline and accurate test reporting

  • Effective communication with both field teams and customers

  • Continuous growth in technical skills and industry certifications

  • Reliability and professionalism while working in the field

Ampirical is an Equal Opportunity Employer, meaning we do not discriminate based on the following characteristics in our hiring and employment practices: Age, sex, color, race, creed, national origin, religion or religious attire, marital status, pregnancy (child birth or related medical conditions), citizenship status or amnesty, ancestry, sexual orientation, gender, gender identity, gender expression, transgender status, physical or mental disability, military or veteran status, genetic information, sickle-cell trait, status as a tobacco user or non-user, or any other classification protected by federal, state, or local law.

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