1,931,211open jobs
113,068companies
251,513added this week
Browse all
Salary
$71k – $172k per year
Location
In office (Callaway)
Visa
H-1B filings in 12 months: 7

Confirmed on the employer's own hiring board on Oct 22, 2026. First seen by Alion on Jan 28, 2026. Ameren scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Ameren is a US energy company headquartered in Saint Louis, Missouri, that generates electricity and delivers electric and natural gas service to customers in Missouri and Illinois. Listed on the New York Stock Exchange, it operates through Ameren Missouri, Ameren Illinois and a transmission business, serving about 2.5 million electric and over 900,000 natural gas customers, and it runs the Callaway nuclear plant in central Missouri. It hires electrical and mechanical engineers, system protection and distribution operating staff, gas apprentices and journeymen, safety supervisors, regulatory and rate analysts, strategists and paralegals.

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 Engineer provides technical conscience and expertise, equipment ownership, and directly facilitates the safe, reliable, efficient operation of the nuclear power plant. This role supports regulatory compliance, optimization and reliability of equipment, plant changes and modifications, system and equipment performance monitoring, cause analysis and troubleshooting, long-term asset management, and technical assistance to other departments. The Engineer also maintains a thorough knowledge of plant configuration and design, programs and processes, codes and standards, and operating experience applicable to plant operation and the nuclear industry.

Key responsibilities include:

  • Management and ownership of assigned technical Programs, Systems, Components, and Design.
  • Ensure compliance with NRC regulations, industry codes/standards, and plant procedures.
  • Perform evaluation and causal analysis of equipment and system conditions, deficiencies and failures and determine corrective actions for resolution.
  • Trend and monitor system and equipment health and performance, through operational data, visual inspections, and physical plant walkdowns.
  • Interface with Operations, Maintenance, Work Management, and regulatory agencies as needed for planning and execution of cost-effective maintenance of assigned Systems or Programs.
  • Provide engineering support during outages, emergent issues, and operational events.
  • Support Maintenance and Operations in equipment troubleshooting and provide technical expertise for troubleshooting significant events or complex plant problems.
  • Review technical specifications and instruction manuals to determine testing and maintenance requirements of safety related equipment.
  • Develop and revise engineering documents, design changes, procedures, and technical specifications.
  • Perform engineering evaluations and reviews of applicable NRC and INPO documents and review, use, and share Operating Experience.
  • Perform calculations, technical analyses, and disposition of Requests for Resolution (RFRs) to include Engineering Evaluations, Material Equivalencies, or Modifications.
  • Prepare or review procedures covering the operation, testing, and maintenance of equipment, and provide technical support in the preparation of procedure revisions or temporary changes to procedures.
  • Support changes in configuration, design and design basis. Performing or participating in technical design reviews, hazard analyses, and maintenance planning.
  • Act as Responsible Engineer or Project Manager of projects or modifications, providing oversight of any outside architect or engineering and service organizations that may be used.
  • Assume Emergency Response Organization (ERO) duties in accordance with Callaway Radiological Emergency Response Plan (RERP) including timely response to assigned ERO facilities.

Qualifications

Bachelor of Science Degree in Engineering from an ABET accredited institution is required. Engineer-in-Training (EIT) or Professional Engineer (PE) Registration preferred. Previous Nuclear Utility experience preferred.

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

Good leadership and decision-making, strong analytical and problem-solving skills, ability to work in a regulated environment and follow strict procedures, excellent written and verbal communication skills, and human relations skills required. Ability to meet plant access, security screening, and fitness-for-duty required.

Working Conditions

The Engineer typically works a standard day shift in an office and plant environment. Additional hours and/or rotating shifts may be required during refueling outages and emergent plant activities as the needs arise. The Engineer must have the ability to work safely in industrial environments; radiation areas, heights, confined spaces, and be committed to industrial safety, nuclear safety culture and use of human performance tools.

Additional Information

Ameren’s selection process includes a series of interviews and may include a leadership assessment process. Specific details will be provided for 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.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,931,211 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Recommended for you based on this role

Industrial Engineering
Similar stack
Same company
Callaway
$45k – $47k per year • Hybrid • High School Diploma • Pueblo
Apply
Structural Engineer 1 hour ago
$70k – $78k per year • In office • Bachelor's Degree • Albany
Design
AutoCAD
Apply
$75k – $85k per year • In office • 2+ years exp • Bachelor's Degree • Rochester
Apply
≈ $60k – $113k per year (Estimated) • Remote (United States) • 2+ years exp • Bachelor's Degree • United States
Cybersecurity
HIPAA
Apply
≈ $58k – $136k per year (Estimated) • In office • Full-Time • Pueblo
Analytics
Microsoft Excel
Apply
$89k – $172k per year • In office • Full-Time • 7+ years exp • Bachelor's Degree • Collinsville
Apply
$84k – $137k per year • In office • Full-Time • 5+ years exp • Bachelor's Degree • Mattoon
Apply
$89k – $172k per year • In office • Full-Time • 5+ years exp • Bachelor's Degree • Saint Louis
Apply
≈ $71k – $167k per year (Estimated) • In office • Full-Time • Callaway
Apply
$71k – $172k per year • In office • Full-Time • Bachelor's Degree • Callaway
Apply
$84k – $172k per year • In office • Full-Time • 5+ years exp • High School Diploma • Callaway
Apply
$105k – $163k per year • In office • Full-Time • 5+ years exp • High School Diploma • Callaway
Apply
Kitchen 2 months ago
≈ $27k – $41k per year (Estimated) • In office • Part-Time • 1+ year exp • Callaway
Apply
See all jobs
This is one of many
1,931,211 more open roles from verified company boards, updated every day.