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Instrumentation and Control System Engineer

Ameren and Careers
Center, MO Full Time
POSTED ON 12/19/2025
AVAILABLE BEFORE 2/19/2026
About the Callaway Energy Center
The Callaway Energy Center is a nuclear facility located in mid-Missouri. The Energy Center has more than 800 employees and contractors working at the facility, and it has established a strong record of safe operation throughout its 30-year operating history. The Energy Center is a highly efficient, low-cost, sustainable source of electricity for Ameren Missouri’s 1.2 million customers.
Our benefits include:
  • 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 & Perks
Page for more information on benefits provided to regular full-time employees.
About The Position
The Systems Engineer provides technical leadership for the site through optimization and reliability of systems and equipment, proactive identification and resolution of plant issues, and technical assistance to other departments.
Key responsibilities include:
  • Maintain the health and reliability of systems/components and identify and respond to threats to reliability specific to individual systems and cross-cutting threats to reliability that impact multiple systems.
  • Evaluate systems/component types through proactive performance monitoring and trending of the performance of assigned systems/components.
  • Identify adverse trends and proactively initiate actions to prevent system performance degradation or component failures.
  • Identify system or component conditions or deficiencies that can impact system operation and notify Operations or management as appropriate.
  • Perform causal analysis of equipment and system/area deficiencies and failures and determine corrective actions to resolve
  • Prioritize / establish action plans to address deficiencies on assigned systems/areas via the corrective action and work management processes.
  • Provide technical support in the preparation and execution of complex work packages on assigned systems/components, as required.
  • Support Maintenance and Operations in system troubleshooting and provide system /component/discipline expertise for troubleshooting significant events or complex plant problems.
  • Maintain thorough knowledge of programs, codes, standards and operating experience and how they relate to the plant.
  • Perform safety evaluation screening, disposition of nonconformance reports, disposition Requests for Resolution (RFRs) to include Engineering Evaluations, Setpoint Changes, Minor Modifications, and Material Equivalencies for equipment within assigned system/area/component groups.
  • Perform engineering evaluations and reviews of applicable NRC and INPO documents and review, use, and share Operating Experience.
  • Interface with other departments for cost effective maintenance strategies on assigned systems/area.
  • Support changes in configuration/design and design basis.
  • Provide technical support in the preparation of procedure revisions or temporary changes to procedures.
  • Assume Emergency Response Organization (ERO) duties in accordance with Callaway Energy Center Radiological Emergency Response Plan (RERP) including responding to assigned ERO facilities within the required RERP response time.
Qualifications
Bachelor of Science Degree in Engineering from an ABET accredited institution required. Fundamentals of Engineering (FE) or Professional Engineer (PE) Registration/Licensure preferred. Previous nuclear utility and/or related experience preferred. Previous I&C experience preferred.
In addition to the above qualifications, the successful candidate will demonstrate:
Good leadership, decision making, communication and human relations skills required. Security screening required for Callaway Energy Center access.
Working Conditions
The Systems Engineer works a standard day shift in an office/plant environment. Additional hours and/or rotating shifts may be required during refueling outages and emergent plant activities as the needs arise.
Additional Information
Ameren’s selection process includes a series of interviews and may include a leadership assessment process. Specific details will be provided to qualified candidates.
  • Technical career path level depends upon applicant's credentials
Compensation Range:
$69,300.00 - $210,000.00
  • 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:
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.

Salary : $69,300 - $210,000

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