Power Generation Systems Engineer III | Engineer Senior

Arizona Public Service generates reliable, affordable, and clean 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.

We’re looking for a forward-thinking

to lead the charge in designing and optimizing advanced control systems that power our energy future. This role combines deep technical expertise with hands-on collaboration, strategic planning, and real-time problem-solving. You’ll work cross-functionally with engineers, project managers, and stakeholders to ensure generation systems are designed, delivered, and operate at peak performance—on time and within budget.

From programming PLC and DCS-based systems to leading diagnostics on high-impact assets, you’ll be instrumental in ensuring the reliability, efficiency, and intelligence of our generation infrastructure. If you’re energized by complexity, inspired by innovation, and driven by making a tangible impact—you belong here.

– Design and develop control strategies to meet technical and project-specific requirements, ensuring optimal system performance.

– Program, configure, and maintain PLC and DCS-based systems, with a strong working knowledge of Mark VIe, T-3000, Digital Control Systems, and other common automation platforms.

– Work closely with project managers, electrical engineers, and stakeholders to ensure projects are delivered on time and within scope and budget.

– Perform system diagnostics and identify root causes of control system issues to implement effective, real-time solutions.

– Develop detailed engineering specifications, control narratives, and technical documentation to support design integrity and compliance.

– Contribute to the development of long-range system plans through technical, economic, and operational analysis of generation systems.

– Serve as a technical resource and mentor to junior engineers, promoting a collaborative and knowledge-sharing culture.

– Take ownership of technical recommendations, ensuring alignment with regulatory standards, safety, and strategic objectives.

- Control systems experts who enjoy turning complexity into stability using automation.

- Engineers with hands-on experience in Mark VIe, T-3000, PLCs, and DCS platforms, who are ready to lead design, programming, and commissioning.

- Collaborators who thrive in cross-functional teams, aligning technical excellence with project delivery goals.

- Professionals who stay calm under pressure and love the challenge of real-time troubleshooting and on-the-spot problem solving.

- Big-picture thinkers with a systems mindset, but who also sweat the small stuff when it comes to quality and documentation.

- Communicators who can translate engineering insights into clear, actionable information for both technical and non-technical audiences.

- Engineers who are passionate about innovation, sustainability, and reliability—and who want their work to make a measurable difference in energy systems.

- Individuals who believe technical excellence and sustainability go hand-in-hand and are motivated by creating smarter energy systems.