Engineer III / Senior - Mechanical

Engineer III / Senior - Mechanical

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Date: May 7, 2026

Location: PHOENIX, AZ, US, 85004-3903

Company: APS

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.

Summary

APS Generation Non-Nuclear is growing and looking for a motivated, Professional Engineer III / Senior with extensive mechanical balance of plant design experience. This role will heavily leverage your technical expertise to ensure designs produced for APS Generating plants meet expectations for safety, quality, and performance. If you have a pragmatic, detail-oriented perspective with good time management skills and enjoy utilizing your engineering expertise, this role is for you!

Minimum Requirements

Engineer III

• 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 five (5) years working experience in Engineering-related positions.

Engineer 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.

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.

• Experience in the utility industry.

• Professional Engineer (PE) licensure.

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.)

Major Accountabilities

1. Develops and applies unique solutions and applications to a broad range of technical issues and problems (solutions that typically require original and creative approaches). Makes decisions and recommendations that have a moderate to significant effect on the overall organization performance.

2. Prepares complex engineering plans, designs, analysis, specifications, cost estimates, evaluations, studies, technical reviews, investigations and verifications. Ensures engineering analyses, design, project control, schedule commitments or oversight work is technically sound, cost effective, and in compliance with established standards, codes, and regulations. Checks and reviews analysis, evaluations, and investigations of others.

3. Integrates the many interrelated elements of complex projects that are broad in scope, require considerations not previously encountered and requires interpretation and/or modification to guidelines. Complies with design, regulatory, operating and maintenance requirements. Identifies potential schedule or quality problems and initiates corrective action.

4. Interfaces with customers and other departments to ensure project objectives are understood and that work scope meets customer requirements, budget and schedule. Contacts customers and various levels of management to obtain or present technical data. Presents the results of designs, studies projects (in terms of new techniques) or approaches to subordinates, colleagues, management and customers.

5. Provides technical guidance, leadership and support to less experienced engineers.

6. Assists the organization in problem solving, as needed, by critically challenging assumptions and decisions to ensure the most optimal solutions and strategies are implemented. Assists in developing long-range strategies for significant site problems.

7. Leverages industry and organization resources to resolve key technical issues. Develops a path forward to address these issues including bridging strategies. May interface with outside agencies and regulatory authorities.

8. May plan and coordinate programs and large-scale engineering projects or multiple medium-scale projects while acting as a technical specialist for a specific engineering field. May be responsible for: all aspects of work scope; directing consultants; conducting feasibility studies; determining staff, cost estimates and resource requirements; and recommending engineering criteria.

9. Monitors projects and recommends modifications to increase operating efficiency and /or reviews design and documentation of complex projects to ensure compliance with design specifications, schedules and any regulatory requirements. May develop, negotiate and manage contracts and contract revisions.

10. May research new developments and technology and make recommendations to management on their feasibility for Company operations.

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.

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.

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.