Engineer III / Senior (Long Term Plant Reliability)

Date: Aug 11, 2026

Location: TONOPAH, AZ, US, 85354

Company: APS

Arizona 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 Long-Term Plant Reliability Engineer III/Senior, you will help ensure the long-term reliability and performance of critical power generation assets. By applying engineering expertise, analytical thinking, and strategic planning, you'll support decisions that keep energy systems operating safely and efficiently. Your work directly contributes to APS's commitment to delivering reliable power to the communities we serve while helping prepare for future energy needs. 

 

What Your Day Would Be Like

  • Analyze plant performance, equipment reliability, and engineering data to identify opportunities for long-term improvement.
  • Develop and support long-range system and asset plans that help maintain reliable power generation.
  • Evaluate engineering proposals, technical studies, and business cases to support informed decision-making.
  • Collaborate with engineers, operations teams, and leaders to solve complex technical challenges and improve asset performance.
  • Provide technical guidance and share expertise with team members on engineering methods, analysis, and best practices.
  • Present technical findings and recommendations to stakeholders to support reliability and operational goals.
  • May be subject to shift work.

 

Who We’re Looking For

  • Experience applying engineering principles, analysis, and problem-solving skills to complex technical challenges.
  • Ability to evaluate technical, operational, and economic considerations when making recommendations.
  • Strong analytical skills with the ability to interpret data and draw actionable conclusions.
  • Effective communicator who can clearly present technical information to a variety of audiences.
  • Demonstrated ability to work collaboratively while providing technical leadership and guidance to others.
  • A proactive professional who exercises sound judgment and takes ownership of technical decisions and outcomes.

Minimum Requirements

Engineer III

  • A four-year Bachelor's 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) AND five (5) years working experience in Engineering-related positions. 
  • Approved Engineer degrees: Materials Science/Metallurgy, Physics, Chemistry, Nuclear, Electrical, Mechanical, Civil, Electronics, Computer Science, Environmental, Chemical, 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.)

 

Senior Engineer

  • A four-year Bachelor's 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) AND eight (8) years working experience in Engineering-related positions. 
  • Approved Engineer degrees:  Materials Science/Metallurgy, Physics, Chemistry, Nuclear, Electrical, Mechanical, Civil, Electronics, Computer Science, Environmental, Chemical, 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).

 

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.
  • Experience in nuclear industry for jobs at Palo Verde.
  • Professional Engineer licensure.

 

Nuclear Requirements 

  • Any PVNGS employee may be called upon to serve as a member of the Emergency Response Organization (ERO) and will be expected to fulfill their obligation as an ERO member.
  • Any PVNGS employee may be called upon to support a refueling or short-notice outage.
  • This includes line roles and responsibilities as necessary to execute outage activities.
  • These are conditions of employment at PVNGS.

Major Accountabilities

  • Prepares engineering plans, designs, analysis, specifications, cost estimates, evaluations, studies, technical reviews, investigations and verifications. 
  • Complies with design, regulatory, operating and maintenance requirements.
  • 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.
  • 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.
  • Enhances department performance and productivity and/or unit performance by formulating, coordinating, performing analysis and making recommendations for improvements.
  • Provides technical assistance and guidance to department personnel to enhance department performance and productivity.
  • May provide oversight of engineering technical programs by managing the program requirements, working with cross organizational partners, reviewing and internalizing operating experience and coordinating corrective actions to ensure engineering program elements continue to remain healthy.
  • May assume responsibility for small- to medium-scale projects which include planning, designing, scheduling and coordinating all facets of the project.
  • Identifies potential schedule or quality problems and initiates corrective action.
  • Takes initiative to eliminate barriers and uses resources to ensure desired results.
  • May interface with outside agencies and regulatory authorities.
  • Provides technical guidance and leadership to less experienced engineers.
  • May participate in developing long-range strategies for significant site problems.
  • Provides input to projects and recommends modifications to increase operating efficiency and/or reviews design and documentation of projects to ensure compliance with design specifications, schedules and any regulatory requirements.
  • Remains cognizant of current technology and engineering developments as well as industry and competitive developments. 

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.

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. 

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. 

Home based: Home based employees primarily work from their home offices and come into an APS facility on an as-needed basis. 

  • 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. 

 

Any PVGS employee may be called upon for random Fitness For Duty Testing (FFD) during scheduled working hours. Employees must report to FFD at Palo Verde as soon as reasonably practicable, but no more than 120 minutes after being notified. Employees who are onsite when notified will have no more than 60 minutes to report after being notified.


Nearest Major Market: Phoenix

Job Segment: Sustainability, Power Plant Operator, Nuclear, Power Plant, Energy