Protection & Control Technician Senior | Power Generation

Arizona Public Service - APS; Phoenix (AZ); On-site; USD 80,000 - 110,000; Full time

Job summary

Arizona Public Service - APS is seeking a Protection & Control Technician Senior to ensure the safe operation of their power generation assets. The role involves advanced testing, installation, and maintenance of control systems, requiring strong technical skills and the ability to lead projects. Candidates should have a Bachelor's degree in Electrical Engineering and five years of relevant experience, alongside a focus on safety and collaboration across teams.

Qualifications

• Five years related Protection and Control Commissioning experience required.
• Experience with substation design concepts/protection schemes necessary.
• Valid AZ driver's license required.

Responsibilities

• Perform maintenance of protection relays and control systems for reliability.
• Lead installation of metering systems at generation and renewable sites.
• Oversee field-engineered construction projects for control systems.

Skills

Technical expertise

Troubleshooting

Project Leadership

Field work

Safety awareness

Education

Bachelors Degree in Electrical Engineering

Tools

Powerbase

Dranitz

Fluke

Omicron

serveron

APT

Microsoft office

Maximo

acSELerator quickset

Hyperterminal

Job description

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Join to apply for the Protection & Control Technician Senior | Power Generation role at Arizona Public Service - APS

Arizona Public Service generates clean, reliable and affordable energy for 2.7 million Arizonans. As the state’s largest and longest-serving energy provider, our more than 6,000 dedicated employees power our vision of creating a sustainable energy future for Arizona.

Our present and future success depends on the creative and dedicated people of our company who demonstrate the principles outlined in the APS Promise: Design for Tomorrow, Empower Each Other and Succeed Together.

Are you a technically skilled and solutions-driven professional who’s passionate about reliability, safety, and high-impact fieldwork? As a Protection & Control Technician Senior on our Power Generation Team, you’ll play a critical role in ensuring the safe, efficient, and uninterrupted operation of APS’s conventional and renewable generation assets across Arizona.

In this role, you'll be responsible for leading or performing advanced testing, installation, troubleshooting, and maintenance of protection, control, and metering systems. You may also serve as a field lead on construction or modification projects at power plants and renewable energy sites—working closely with internal teams and departments to coordinate project activities.

If you’re ready to be part of a team that powers Arizona’s future and values technical excellence, leadership, and field expertise, this is the role for you.

Key Skills & Tasks

Protection & Control Systems Maintenance

Diagnose, repair, calibrate, and perform maintenance of protection relays, metering equipment, and control systems to ensure system reliability and safety.

Installation & Commissioning

Lead or support the installation and shakedown of protection, control, and metering systems at generation and renewable sites, ensuring systems are configured, programmed, and tested according to engineering specifications and safety protocols.

Project Leadership

Oversee and/or coordinate field-engineered construction projects involving upgrades or modifications to generation and substation control systems, and provide technical guidance and direction to less experienced technicians and contractors on-site.

System Knowledge & Tools

Leverage familiarity with Powerbase and other operational tools to document work, track system performance, and maintain compliance records. Stay current on industry practices, safety standards, and emerging technologies in the protection & control space.

Travel & Field Readiness

Travel regularly to APS power generation sites across Arizona, working in varied environments with a focus on safety, precision, and responsiveness.

People We Want to Talk To

• Technicians who are equally comfortable leading projects and working hands-on in the field.
• Problem-solvers who thrive on troubleshooting complex systems and delivering fast, accurate resolutions.
• Professionals who value safe work practices, technical rigor, and cross-functional collaboration.
• Field leaders who take initiative, own their work, and are always looking for ways to improve system reliability.
  
  

Minimum Requirements

• Bachelors Degree in Electrical Engineering or equivalent training
• Five (5) years related Protection and Control Commissioning experience.
• Must have a valid AZ driver's license.
• Requires proven technical expertise with little to no oversight.
• Requires experience in substation design concepts/protection scheme and electrical wiring practices relating to all substation controls.
• Requires advanced personal computer skills including working knowledge of both hardware and software applications (Dranitz, Fluke, Omicron, serveron, APT, Microsoft office, Maximo, acSELerator quickset, Hyperterminal, TOA preferred).
  
  

Additional Requirements

• Ability to work and communicate effectively with contractors, and other associated department personnel.
• Must have an understanding of the Accident Prevention Manual and Human Performance Tools.
• The ability to apply and solve mathematical formulas using algebra and trigonometry.
• A thorough understanding of electronic circuit fundamentals.
• A thorough understanding of three phase AC theory and the ability to use vectors.
• Understand zones of protection and considers potential implications to the system.
• Demonstrate the ability to read and comprehend protection and electrical wiring diagrams related to the functionality of control schematics.
• A comprehensive understanding of protection, metering, and control concepts for substation equipment including but not limited to breakers, transformers, CCVT, PT, Reactors, Capacitor banks.
• Ability to work on all types of relaying including electromechanical and microprocessor from manufactures including but not limited to Westinghouse, Basler, GE, SEL and Beckwith.
• Ability to work with communication devices, transducers, temperature monitors, busing monitors, and other communication devices.
• This also includes knowledge of supervisory equipment (SCADA) used by APS (examples: Orion, RTAC, D20, status and control modules).
• Job requires travel statewide, majority of activities (80%) are field related and must be capable of working extended workdays as well as overnight out of town assignments for extended periods.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Other

• Industries

  Motor Vehicle Manufacturing

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