Demo

System Protection Engineer III/Senior

APS (Arizona Public Service)
Phoenix, AZ Full Time
POSTED ON 4/14/2026
AVAILABLE BEFORE 6/14/2026

Arizona Public Service generates reliable, affordable and cleanenergy for 2.7 million Arizonans. Our service territory stretches across the state, from the border town of Douglas to the vistas of the Grand Canyon, from the solar fields of Gila Bend to the ponderosa pines of Payson. 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.

Since our founding in 1886, APS has demonstrated a strong commitment to our customers in one of the country's fastest growing states, earning a reputation for customer satisfaction, shareholder value, operational excellence and business integrity.

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.

Summary

TheSystem Protection Engineer III/Senioris responsible for specifying, designing, and implementing protection schemes for the transmission system and substations. This role performs complex engineering design, system modifications, and provides economic and analytical support for various projects and programs.

May be subject to shift work.

Minimum Requirements

Level III

  • Bachelor of Science degree in an engineering discipline or related applied science discipline
  • Plus five (5) years working experience in Engineering-related positions.
  • Approved Engineer degrees: Materials Science/Metallurgy, Physics, Chemistry, Math, Nuclear, Electrical, Mechanical, Civil, Electronics, Computer Science, Environmental, Chemical, Architectural, Structural. (A four-year bachelor of Engineering Technology degree is not considered an automatic equivalent for a B.S. degree in Engineering. A review of the degree program curriculum must be completed by Engineering department management.

Senior

  • A four year Bachelor of Science degree in an engineering discipline or related applied science discipline (see approved list) from an ABET accredited institution
  • plus eight (8) years working experience in Engineering-related positions.
  • Approved degrees: Materials Science/Metallurgy, Physics, Chemistry, Math, Nuclear, Electrical, Mechanical, Civil, Electronics, Computer Science, Environmental, Chemical, Architectural, Structural. (A four-year bachelor of Engineering Technology degree is not considered an automatic equivalent for a B.S. degree in Engineering. A review of the degree program curriculum must be completed by Engineering department management

Preferred Special Skills, Knowledge or Qualifications:

  • Problem analysis/resolution techniques.
  • Knowledge of applicable codes, standards, practices, methods and safety standards in the area of applicable engineering discipline.
Major Accountabilities

Major Accountabilities

1) Develop or revise relay settings in support of modifications to the transmission system.

2) Maintain an up-to-date short circuit model of the APS transmission and sub-transmission system.

3) Maintain up-to-date documentation of all relay settings in the transmission and sub-transmission system.

4) Develop programs/projects to improve existing protection systems across the APS transmission system.

5) Periodically review relay settings across the system to ensure adequate coordination and protection.

6) Provide support to field personnel during testing and commissioning of protection schemes.

7) Provide support to operations personnel during system events.

8) Review protection system operations to determine correct operation or mis-operation.

9) Participate in root cause analysis following the declaration of a protection system mis-operation.

10) Participate in NERC Compliance activities in support of applicable PRC and CIP standards

11) Specification, design, create settings, and keep settings records of Digital Fault recorders installed in APS's

Export Compliance / EEO Statement
This position may require access to and/or use of information subject to control under the Department of Energy's Part 810 Regulations (10 CFR Part 810), the Export Administration Regulations (EAR) (15 CFR Parts 730 through 774), or the International Traffic in Arms Regulations (ITAR) (22 CFR Chapter I, Subchapter M Part 120) (collectively, 'U.S. Export Control Laws'). Therefore, some positions may require applicants to be a U.S. person, which is defined as a U.S. Citizen, a U.S. Lawful Permanent Resident (i.e. 'Green Card Holder'), a Political Asylee, or a Refugee under the U.S. Export Control Laws. All applicants will be required to confirm their U.S. person or non-US person status. All information collected in this regard will only be used to ensure compliance with U.S. Export Control Laws, and will be used in full compliance with all applicable laws prohibiting discrimination on the basis of national origin and other factors. For positions at Palo Verde Nuclear Generating Stations (PVNGS) all openings will require applicants to be a U.S. person.

Pinnacle West Capital Corporation and its subsidiaries and affiliates ('Pinnacle West') maintain a continuing policy of nondiscrimination in employment. It is our policy to provide equal opportunity in all phases of the employment process and in compliance with applicable federal, state, and local laws and regulations. This policy of nondiscrimination shall include, but not be limited to, recruiting, hiring, promoting, compensating, reassigning, demoting, transferring, laying off, recalling, terminating employment, and training for all positions without regard to race, color, religion, disability, age, national origin, gender, gender identity, sexual orientation, marital status, protected veteran status, or any other classification or characteristic protected by law.


For more information on applicable equal employment regulations, please refer to EEO is the Law poster. Federal law requires all employers to verify the identity and employment eligibility of every person hired to work in the United States, refer to E-Verify poster. View the employee rights and responsibilities under the Family and Medical Leave Act (FMLA).


In compliance with the Drug Free Workplace Act of 1988, the Company is committed to a work environment that is free from the effects of alcohol and controlled substances, and free from the abuse or inappropriate use of prescribed and over-the-counter medications. The Company requires employees to be subject to drug and alcohol testing that is job-related and consistent with business necessity, regulatory requirements and applicable laws.

Hybrid: Employees in hybrid roles work both in their home offices (virtually) and alongside their colleagues (in person).

In order for employees to build strong relationships and to promote meaningful in-person interactions, hybrid employees are expected to work about 40% of their time in-person at an APS or other (non-home office) location.


*Employees are expected to reside in Arizona (or New Mexico for Four Corners-based employees).

*Working from a home office requires adequate technology and an appropriate ergonomic set up.

*Role types are subject to change based on business need.

 

Salary.com Estimation for System Protection Engineer III/Senior in Phoenix, AZ
$125,514 to $152,463
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