at Arizona Public Service in PHOENIX, Arizona, United States
Job Description
Transmission Operations Engineer III/Senior
Apply now »Date: Apr 17, 2026
Location: PHOENIX, AZ, US, 85021-1808 Company: APS Arizona Public Service generates clean, reliable and affordable 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
The Engineer III/Senior plays a critical role in delivering safe, reliable, and high-quality engineering solutions that support APS’s infrastructure and operations. By applying deep technical expertise to complex engineering and construction challenges, this role helps resolve emergent issues, guide key technical decisions, and ensure long-term system performance.
What Your Day Would Be Like+ Analyze transmission system conditions using power flow, contingency, and operational studies to support real-time and future grid reliability
+ Develop and deliver real-time operational reports and data insights that help our 24 hour Energy Control Center operators respond quickly to system conditions
+ Perform data analysis to identify trends, constraints, and risks impacting transmission operations and market outcomes
+ Support the implementation of flowgate methodology for transmission services
+ Collaborate with operators, engineers, and other stakeholders to troubleshoot issues and improve operational performance
+ Provide technical guidance and support to peers, and participate on-call rotation responsibilities to support system operations
Who We’re Looking For+ An engineer with experience applying engineering methods and analysis in a transmission or power system operations environment
+ Strong analytical skills, with the ability to interpret data and translate it into clear, actionable operational insights
+ Experience supporting or working alongside real-time operations, reporting, or system monitoring activities
+ A collaborative problem-solver who can work with general guidance and contribute technical input when needed
+ Someone comfortable providing limited technical guidance and support to others
*must to be able to pass the NERC Certification exam within 6 months of hiringMinimum Requirements
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.
+ Approved 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.)
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.
+ 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.
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
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