Full-Time

System Protection Engineer 3/Senior

Arizona Public Service

Arizona Public Service

1,001-5,000 employees

Delivers electricity to Arizona customers

No salary listed

Phoenix, AZ, USA

Hybrid

Hybrid role; must reside in AZ (or NM for Four Corners-based) with ~40% on-site.

Category
Electrical Engineering (1)
Requirements
  • Level III: Bachelor of Science degree in an engineering discipline or related applied science discipline plus five years working experience in Engineering-related positions.
  • Senior: A four year Bachelor of Science degree in an engineering discipline or related applied science discipline from an ABET accredited institution plus eight years working experience in Engineering-related positions.
  • Level III: Approved degrees include 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 automatically equivalent and requires curriculum review by Engineering department management.
  • Senior: Approved degrees include 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 automatically equivalent and requires curriculum review by Engineering department management.
Responsibilities
  • Develop or revise relay settings in support of modifications to the transmission system.
  • Maintain an up-to-date short circuit model of the APS transmission and sub-transmission system.
  • Maintain up-to-date documentation of all relay settings in the transmission and sub-transmission system.
  • Develop programs/projects to improve existing protection systems across the APS transmission system.
  • Periodically review relay settings across the system to ensure adequate coordination and protection.
  • Provide support to field personnel during testing and commissioning of protection schemes.
  • Provide support to operations personnel during system events.
  • Review protection system operations to determine correct operation or mis-operation.
  • Participate in root cause analysis following the declaration of a protection system mis-operation.
  • Participate in NERC Compliance activities in support of applicable PRC and CIP standards.
  • Specification, design, create settings, and keep settings records of Digital Fault recorders installed in APS’s
Desired Qualifications
  • Problem analysis/resolution techniques.
  • Knowledge of applicable codes, standards, practices, methods and safety standards in the area of applicable engineering discipline.
Arizona Public Service

Arizona Public Service

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Arizona Public Service (APS) provides electric service to about 1.2 million customers across 11 of Arizona’s 15 counties, making it the state’s largest utility. It delivers power as a regulated utility, supported by a long history since 1886 and a focus on reliability, customer service, and responsible growth. How it works: APS generates and purchases electricity and distributes it through the electrical grid to homes and businesses, balancing price and service to meet demand. Its products are standard electricity plans and related services for residential, commercial, and industrial customers. Why it stands out: APS emphasizes accountability, safety, integrity, trust, and respect in its operations, with a stated goal of creating a sustainable energy future for Arizona and improving customer value and shareholder return. Its competitive edge comes from its scale, local presence, and commitment to steady service, safety, and sustainable energy planning in a fast-growing state.

Company Size

1,001-5,000

Company Stage

Debt Financing

Total Funding

$1.9B

Headquarters

Phoenix, Arizona

Founded

1886

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Simplify's Take

What believers are saying

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What critics are saying

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What makes Arizona Public Service unique

  • APS deploys AI cameras for early wildfire detection.
  • APS secures $1.8B DOE loan for solar and storage.
  • APS partners on 250 MW Beehive BESS with EDF Renewables.

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Benefits

Hybrid Work Options

Company News

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