Nuclear Oversight Auditor

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

Nuclear Oversight (NOS) is required by the Callaway Energy Center (CEC) Operating Quality Assurance Manual (OQAM) to verify internal and external quality activities are conducted in compliance with the Operating Quality Assurance Program (OQAP). NOS Auditor  positions provide  this verification through assessment the adequacy of OQAP implementation and reporting of the results to CEC management. These quality assurance assessment activities are conducted at Callaway Energy Center (CEC) and/or at vendor locations.  Engineers fulfilling the role of a NOS Auditor will follow Engineering's Technical Career Path.

Key responsibilities include:

Auditor:

• Conduct internal or external audits and surveillances of QA program implementation. Assignments can include participating or leading compliance based audits (audit group) or being assigned a functional area, which requires grading the performance of line departments (monitoring group).
• Clearly communicates with the audited organization to ensure the assessment results are well understood.
• Initiates corrective action documents and verifies effectiveness of actions taken. If necessary, escalates issues or provides Stop Work recommendations.
• Supplier Quality or NEI responsibilities, if assigned, include maintaining Qualified Suppliers List, performance of annual evaluations, and industry participation on vendor audits, surveys, or surveillances.
• Prepares and reviews new and revised NOS procedures or instructions as assigned.

Senior Auditor:

• Leads complex internal or external audits or assessments to verify Quality Assurance Program content and implementation. This includes ensuring timely and successful completion of an intrusive and value-added audit or assessment.
• Provide input to NOS Supervision on scheduling of audits or assessments. In addition, ensures appropriate scope and team size.
• Provides functional guidance and direction to Auditors and Technical Specialists.
• Coordinates updates to the Operating Quality Assurance Manual, when necessary.
• Develops and Administers training to qualify Auditors and Lead Auditors, when necessary.
• Responsibilities of Auditor apply to this position.

Consulting Auditor:

• Provides strategic leadership or vision for quality assurance assessment activities. This includes advice to NOS management.
• Considered an industry expert. This includes leadership and active participation in external Nuclear Industry Evaluation Program audits.
• Employs a full range of organizational resources to ensure high quality assessment results.
• Promotes and implements changes to the NOS Department to improve department performance.
• Demonstrated experience to effectively lead people and implement solutions.
• Provides functional guidance and direction to Senior Auditors, Auditors, and Technical Specialists.
• Responsibilities for Senior Auditor and Auditor apply to this position.

Qualifications

• High School Diploma required. A Bachelor's or associate degree in Engineering, Physical Sciences, Mathematics, or Quality Assurance from an accredited institution preferred.
• Must have the education and/or experience necessary to be able to obtain Lead Auditor certification (Regulatory Guide 1.146/ANSI N45.2.23- 1978).
• Consulting Auditor (10 years), Senior Auditor (7 years), Auditor (5 or more years) of technical experience in Engineering, Manufacturing, Construction, Operation, Maintenance, or Quality Assurance required. This includes training, health physics, chemistry, and other related disciplines.
• Previous nuclear and/or quality assurance experience preferred. Previous experience or demonstrated ability to develop or implement quality assurance program elements preferred.

* Salary and career level dependent upon individual credentials

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

Proficiency with MS Word, Outlook, and Power Point software required. Proven ability to lead projects required. Previous experience or demonstrated ability to develop or implement quality assurance program elements preferred. Previous experience conducting assessment activities preferred. Previous experience in a customer oriented work environment preferred. Experience in the areas of performance improvement and human performance/behaviors preferred.

Additional Information

The Auditor position normally works a standard day shift in an office environment. Internal Auditors conduct assessments in the plant and External Auditors conduct assessments at vendor locations which require travel. Internal and External Auditors participate in nuclear industry assessments and conferences. Additional hours and/or rotating shifts may be required during refueling outages and emergent plant activities when directed by supervision.

Compensation Range:

$71,100.00 - $215,300.00

* 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:

Friday May 15, 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.