ENGINEER; Subtransmission Planning

About Ameren Illinois

Ameren Illinois provides electric transmission and distribution service and natural gas distribution service. Every day, we deliver electricity to 1.2 million electric and 816,000 natural gas customers in central and southern Illinois. We deliver safe, reliable energy to more than 1,200 communities.

• Medical coverage on date of hire

• 100% employer paid cash balance pension plan

• 401(k) with company match fully vested on date of hire

• Minimum of 15 days paid vacation and 12 paid holidays

• Paid parental leave and family caregiver leave

Visit our Benefits and Perks Page for more information on benefits provided to regular full-time employees.

The Engineer works collaboratively with Design, Construction, Operating and Maintenance work groups to identify, justify and initiate projects for optimum electric subtransmission system development (bulk supply substation, 34 kV and 69 kV lines, distribution substation), renewable distributed energy resource (DER) integration, and provides various technical support.

• Develop conceptual design for new facilities, collaborate with other work groups to reach consensus, and issue engineering documents to initiate design and construction.
• Establishes, communicates, and reinforces expectations for superior personnel safety performance.
• Prepare load & DER forecasts and perform power flow and reliability studies for the Ameren power delivery and electric subtransmission system.
• Develop and maintain expertise in power systems analysis utilizing PSSE and other tools. Perform special studies and participate in research as needed.
• Use computer modeling techniques and engineering expertise to assess electric subtransmission system adequacy and to identify the optimum size, configuration, DER hosting capacity, and timing of changes to facilities.
• Support economic analyses to evaluate project alternatives including non-wire-alternative (NWA) solutions.
• Develop operating information which serves as a knowledge base for responding to various contingency conditions on the power delivery system including Transmission.
• Provide support to operating groups in responding to specific contingency conditions, including the impact of planned facility outages.
• Evaluate system load additions and renewable solar, wind, battery storage, and other DER generator interconnections.
• Emergency call-out for storm restoration.
• Prepare engineering reports, produce engineering planning criteria and guidelines. Organize responses to ICC data requests.
• Collaborate with Field Engineering and other departments, functions, and companies in joint studies and/or to provide technical support.

Bachelor of Science Degree in Electrical Engineering, preferably with an emphasis in power, from an accredited college or university required. Fundamentals of Engineering (FE) certification or P.E. (Professional Engineer) registration preferred. Experience in power system analysis or related fields preferred. Experience with PSSE, Python, and/or Visual Basic programming preferred.

In addition to the above qualifications, the successful candidate will demonstrate:

Working knowledge of personal computer applications (Word, Excel, Outlook, Visio). Working knowledge of corporate computer applications (OAS, CSS, DOJM, ADMS) and Synergi, PSSE preferred. Good analytical, decision-making, communication, and human relations skills and ability to interact effectively with various stakeholders to reach consensus. Must have initiative, a sense of ownership, and pride in their areas of responsibility.

Compensation Range: $71,100.00 - $

* This pay range encompasses multiple levels of the role. Career level and compensation depends upon applicant's credentials.

At Ameren, base salary is one component of a competitive compensation package for employees. Our pay ranges are broad to allow for movement within our organization and to accommodate different skill sets and levels of expertise. We take into consideration a variety of factors including, but not limited to, skills, abilities, experience, education, credentials, and internal equity when determining the base salary offered.

Roles are eligible for additional rewards including annual incentive payments based on individual and company performance.

If end date is listed, the posting will come down at 12:00 am on that date: Tuesday January 20, 2026

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, ethnicity, age, disability, genetic information, military service or status, pregnancy, marital status, sexual orientation, gender identity or expression, or any other class, trait, or status protected by law.