Engineer I, Substations Protection & Control

aes; United States; On-site; USD 85,000 - 120,000; Full time

Job summary

AES Corporation is seeking an Electrical Engineer to join the IPL Relay/SCADA team and support protective relay and SCADA systems in substations (4kV-345kV) and power plants.

You will work with Relay/SCADA technicians, perform relay settings, and develop RTU/SCADA configurations, plus oversee commissioning.

Requirements: ABET-accredited BS in Electrical Engineering and 2–5 years in protective relaying or SCADA; familiarity with DNP3/Modbus and SEL/GE relays preferred.

Qualifications

• ABET-accredited BS in Electrical Engineering.
• Knowledge of relay coordination and protection systems.

Responsibilities

• Perform relay setting calculations and coordination studies
• Develop RTU/SCADA configurations
• Evaluation of relay performance following system events
• Oversee commissioning of new SCADA and relay equipment and systems
• Investigate and resolve protection and control system operation issues
• Support field staff in construction and maintenance activities
• Create or revise electrical substation control schemes and wiring diagrams (single-line, three-line, AC/DC schematics, SCADA, relay)
• Develop new and follow established work practices to ensure a safe work environment

Skills

Relay settings

Coordination studies

SCADA config

DNP3/Modbus

Substation knowledge

NERC standards

PE license

Education

Bachelor of Science in Electrical Engineering

Tools

ASPEN OneLiner

DNP3

Modbus

Job description

Are you ready to be part of a company that's not just talking about the future, but actively shaping it? Join The AES Corporation, the largest US-based global power company with a team of 8,300 employees across 12 countries.

AES has been ranked #1 by BloombergNEF in renewable energy sales to corporations in the US and Americas for five consecutive years, providing electricity for millions of people worldwide.

We are proud to foster a strong workplace culture, earning prominent positions in Great Place to Work rankings across the markets where we operate. AES was also named one of the World's Most Ethical Companies for the 13th consecutive year in 2026, highlighting our dedication to integrity, transparency, and responsible business practices.

Our spirit of innovation continues to earn industry recognition. AES is the only seven-time winner of the Edison Electric Institute's Edison Awards in the twenty-first century, a distinction honoring global leadership in advancing the electric power industry.

We are not just building a more sustainable future, we're powering it.

This position is on the IPL Relay/SCADA team. They install and maintain the protective relay and SCADA systems in IPL's substations (4kV - 345kV) and power plants. This role works closely with and supports the Relay/SCADA technicians. This role is also responsible for engineering equipment replacement/upgrade projects of limited scope.

Basic Requirements

• Bachelor of Science degree in Electrical Engineering or other related discipline from an ABET accredited college/university
• Two (2) to five (5) years of progressively responsible engineering related experience
• Two (2) to four (4) years of experience in Protective Relaying or SCADA systems on electric utility transmission and distribution systems and at power plants

Preferred Skills

• Relay setting development experience on both transmission and distribution systems.
• Demonstrated ability to perform relay coordination studies. Experience with short circuit modeling software (i.e. ASPEN OneLiner).
• Demonstrated ability to perform substation RTU/SCADA configurations. Knowledge of DNP3 and ModBus protocols.
• Familiarity with SEL and GE relays and associated software.
• Electric utility T&D engineering or operations related experience.
• Knowledge of NERC reliability standards (PRC, CIP).
• Professional Engineering License.
• Must possess a positive attitude and priority for safe and reliable operations.

Key Responsibilities

• Perform relay setting calculations and coordination studies
• Develop RTU/SCADA configurations
• Evaluation of relay performance following system events
• Oversee commissioning of new SCADA and relay equipment and systems
• Investigate and resolve protection and control system operation issues
• Support field staff in construction and maintenance activities
• Create or revise electrical substation control schemes and wiring diagrams (single-line, three-line, AC/DC schematics, SCADA, relay)
• Develop new and follow established work practices to ensure a safe work environment

AES is an Equal Opportunity Employer who is committed to building strength and delivering long-term sustainability through diversity and inclusion. Respecting all backgrounds, differences and perspectives enables us to improve the lives of our people, customers, suppliers, contractors, and the communities in which we live and work. All qualified applicants will receive consideration for employment without regard to sex, sexual orientation, gender, gender identity and/or expression, race, national origin, ethnicity, age, religion, marital status, physical or mental disability, pregnancy, childbirth or related medical condition, military or veteran status, or any other characteristic protected under applicable law.

E-Verify Notice: AES will provide the Social Security Administration (SSA) and if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.