APS is seeking a Systems Protection Engineer III / Senior to support the reliable operation of our transmission and sub-transmission systems. In this role, you will develop and maintain protective relay settings for 115KV and above systems, perform fault analysis and coordination studies utilizing Siemens CAPE/APA short-circuit modeling software, support outage system event analysis and system restoration, and drive improvements to protection schemes across the APS transmission network.
Working closely with Transmission Operations, Substation Engineering, Transmission Planning, and Protection & Control teams, you will play a critical role in ensuring protection systems operate safely, reliably, and in compliance with industry standards.
Key Responsibilities
- Develop, review, and maintain transmission and sub-transmission relay settings.
- Perform fault studies, coordination analysis, and power system modeling.
- Maintain protection system documentation and relay setting records.
- Lead and support projects that improve protection system performance and reliability.
- Analyze protection system operations and investigate relay misoperations.
- Participate in root cause analyses and corrective action development.
- Support field testing, commissioning, troubleshooting, and energization activities.
- Respond to and support operations during system disturbances and grid events.
- Configure and maintain Digital Fault Recorders (DFRs) and disturbance monitoring systems.
- Support compliance initiatives related to NERC PRC and CIP standards.
Preferred Qualifications
- Experience with transmission protection and control systems.
- Knowledge of protective relaying principles, fault analysis, and relay coordination.
- Familiarity with transmission system modeling software and disturbance analysis tools.
- Experience supporting NERC reliability and cybersecurity compliance programs.
- Strong analytical, problem-solving, and collaboration skills.
Why APS?
Join a team dedicated to maintaining the safety, reliability, and resiliency of Arizona's energy infrastructure. You'll work on critical grid protection initiatives, support modernization efforts, and help ensure reliable service for millions of customers.
Minimum Requirements
Engineer III
- A four-year Bachelors degree in an engineering discipline or related applied science discipline (see approved list) from an ABET accredited institution, an International Engineering Alliance (IEA) recognized institution or an ABET Mutual Recognition Agreement (MRA)
- Plus five (5) years working experience in Engineering-related positions.
Engineer Senior
- A four-year Bachelors degree in an engineering discipline or related applied science discipline (see approved list) from an ABET accredited institution, an International Engineering Alliance (IEA) recognized institution or an ABET Mutual Recognition Agreement (MRA)
- Plus eight (8) years working experience in Engineering-related positions.
APS
400 North 5th Street
Phoenix
Arizona États-Unis
www.aps.com
