Probabilistic Risk Assessment Engineer
Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on May 11, 2026. Ameren scores B on the Alion truth index.
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 Probabilistic Risk Assessment Engineer develops, maintains, and applies nuclear power plant probabilistic risk assessment (PRA) models to support safe and cost-effective operation of the Callaway Energy Center.
Note: This is an active pipeline for a future opening.
Key responsibilities include:
- Advise Nuclear Division personnel on issues related to PRA. Participate in plant program groups that use risk insights, such as the Maintenance Rule Expert Panel.
- Evaluate plant design and licensing changes to determine their quantitative impact on plant risk.
- Implement industry-developed, PRA-based techniques to optimize programs employed at the Callaway Energy Center.
- Perform PRA evaluations to determine the risk significance of plant events. As necessary, interact with the Nuclear Regulatory Commission, and other regulatory and oversight agencies, to provide requested information and provide technical representation for Callaway assessments.
- Develop, maintain and document Callaway PRA (computer-based) models to enable determination of the quantitative risk associated with the operation and maintenance of the plant.
- Consult with nuclear division personnel on matters of qualitative and quantitative nuclear risk, including topics such as Maintenance Rule, MSPI, NRC Significance Determination Process, risk-informed Technical Specifications, and risk-informed licensing actions.
- Develop and maintain department procedures related to PRA.
- 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's degree in engineering from an ABET accredited program is required. Three or more years in Probabilistic Risk Assessment (Probabilistic Safety Assessment), Systems Engineering or Operations preferred.
*Technical career path level depends upon applicant's credentials.
In addition to the above qualifications, the successful candidate will demonstrate:
Good leadership, decision-making, human relations, and communication skills required. Security screening required for Callaway Energy Center access.
Working Conditions
The Probabilistic Risk Assessment Engineer works a standard day shift in an office/plant/field setting at the Callaway Energy Center. Additional hours, callouts 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.
Compensation Range:
$71,100.00 - $172,200.00* 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.