2027 Summer Internship - Generation Engineering (Mechanical, Electrical, Civil)

Date: Sep 8, 2026

Location: PHOENIX, AZ, US, 85004-3903

Company: APSArizona Public Service generates reliable, affordable and clean energy 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: As a Generation Engineering Intern, you'll gain hands-on, project-based experience designed to immerse you in real-world engineering challenges within the power generation industry. Working alongside experienced engineers, you'll contribute to initiatives that support operational efficiency, system reliability, and sustainability across non-nuclear generation facilities. Potential Projects and Experiences: Analyze engineering data and help identify opportunities to improve equipment performance and operational outcomes. Apply engineering principles to solve practical challenges in a power generation environment. Visit and work at generation sites to gain a deeper understanding of power plant operations and engineering systems. Engage with cross-functional teams to support initiatives. Who We're Looking For: Currently enrolled in an accredited undergraduate or graduate degree program in engineering. Demonstrated academic achievement and commitment to learning and professional growth. Ability to collaborate effectively with others and contribute to team-based projects. Strong analytical and problem-solving skills with attention to detail.

Preferred: GPA of 3.0 or higher. This paid, temporary full-time internship spans 10 weeks during the summer. Interns receive mentorship, professional development, opportunities for site visits, networking, and more.

Minimum Requirements: Enrolled in an accredited college or university undergraduate or graduate degree program. Must show ongoing achievement in areas of study and training.

Preferred Qualifications: 3.0 GPA or higher.

Major Accountabilities: Performs simple to intermediate analysis and designs. May assist in preparing business/engineering plans, designs, specifications, cost estimates, evaluations and studies. Assists in research, business documentation, studies or technical reviews. Conducts analyses, investigations, verifications and summarizes results or findings in written reports or oral presentations. Utilizes internal resources to learn business/engineering operations/functions and apply learning in completion of work assignments. Coordinates efforts with other disciplines, and/or departments in achieving project goals and task assignments. Performs other related duties as required.

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). Arizona Public Service is a smoke free workplace. CIP Requirement: This position requires Critical Infrastructure Protection (CIP) access consistent with North American Electric Reliability Corporation (NERC) standards. The applicant considered for this role will be required to obtain and maintain CIP access for the duration of employment in this position. A full seven (7) year criminal history will be obtained through the pre-employment background check process (or, for current employees, through supplemental background check process) to fulfill the CIP access requirements. In addition, this position requires an additional background check every seven years to maintain access.

Onsite: Requires work to be performed in the field and/or at an APS facility. Depending on the responsibilities of the role, this may include, but is not limited to, working at a power plant, job site, or in the community. Employees are expected to reside in Arizona (or New Mexico for Four Corners-based employees). Role types are subject to change based on business need.