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Senior Reactor Operator

Ameren · Steedman, MO · Active · $105,100–$162,900 / year · Workday Recruiting

Job facts

FieldValue
CompanyAmeren
TitleSenior Reactor Operator
Normalized title-
Department / team-
LocationSteedman, MO, United States
Work model-
Employment typeFull Time
Salary$105,100–$162,900 / year
Statusactive
ATS providerWorkday Recruiting
Posted / first seen2026-05-12 / 2026-05-30
Changed / last seen2026-06-06 / 2026-06-06

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PageWhat it containsOpen
Company jobsActive postings from Ameren.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through Workday Recruiting.Open
Provider filtered searchThe same provider as a filtered job collection.Open
City jobsActive postings in Steedman.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanyAmeren
Source17d94125-1879-4d4a-bebe-2c5728988783
ATS providerWorkday Recruiting

Description

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   Operating Supervisor supervises the operation of Callaway Energy Center to ensure the safe,   legal   and efficient operation of the nuclear power generating unit. ​ ​ Key responsibilities include: ​ ​ Manage and direct a team of approximately 10 employees. ​ Direct Reactor Operators in the control room performing procedures to maneuver and operate the plant. ​ Supervise Operations Technicians in the field performing local system operations and testing. ​ Administer the Workman’s Protection Assurance Program. ​ Train and develop crew members. ​ Interface with all nuclear departments, internal company personnel, and external personnel as required to support work on plant equipment and systems. ​ Maintain and promote positive behaviors in the areas of commitment to excellence, teamwork, respect, integrity, accountability, and stewardship. ​ Support performance improvement initiatives such as assessments, benchmarks, and the corrective action program. ​ Actively participate in training to develop and broaden the skills of the Callaway Energy Center workforce. ​ May be assigned to rotational positions in work control or as a training instructor. ​ 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  ​ ​ H igh School Diploma or equivalent   is   required .   Must meet one of the following requirements: 1)   Currently a Licensed Reactor Operator or Licensed Senior Reactor Operator with one or more years of experience in the position; 2) Previously a Licensed Reactor Operator or Licensed Senior Reactor Operator at a commercial reactor with at least 1.5 years of experience in the position; 3) Qualified Reactor Operator (RO), Engineering Watch Supervisor (EWS), Propulsion Plant Watch Supervisor (PPWS), or Engineering Officer of the Watch (EOOW) on a military reactor for a minimum of 2 years; 4) Bachelor ’s   degree with a minimum of 1.5 years of nuclear power plant experience; 5) Previously Certified Senior Reactor Operator at another site or currently Certified Senior Reactor Operator at Callaway with at least 2 years of experience in the position. ​ I n addition to the above qualifications, the successful candidate will demonstrate:  ​ ​ ​ Good leadership, decision-making,   communication   and human relations skills are required. After preliminary review, selected applicants must take the First Line Supervisor Test and obtain a recommended status   in order to   be eligible for additional selection procedures (e.g., interview) designated for this position.  Qualified candidates are required to establish and maintain their permanent residence within sixty highway miles of the Callaway Energy Center.  Security screening required for Callaway Energy Center access. ​ ​ Working Conditions ​ ​ ​ The Operating Supervisor works a rotating shift in an office/plant environment.  Additional hours and/or callouts 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: $105,100.00 - $162,900.00 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.

Full job record

Job ID8f48ff0d8ca87305c938fca18a8ece69a828724b
Org ID0aa06765-834c-4be4-a690-bcf35620a669
Source ID17d94125-1879-4d4a-bebe-2c5728988783
Board ID17d94125-1879-4d4a-bebe-2c5728988783
Providerworkday
Provider Job Key/job/Steedman-MO/Senior-Reactor-Operator_033360
TitleSenior Reactor Operator
Normalized Title
Statusactive
Activeyes
Location TextSteedman, MO
Department
Team
Employment Typefull_time
Workplace Type
Remote Policy
CountryUnited States
RegionMO
CitySteedman
Salary RawCompensation Range: $105,100.00 - $162,900.00 At Ameren, base salary is one component of a competitive compensation package f
Salary Min105,100
Salary Max162,900
Salary CurrencyUSD
Salary Periodyear
Source URLhttps://ameren.wd1.myworkdayjobs.com/External/job/Steedman-MO/Senior-Reactor-Operator_033360
Apply URLhttps://ameren.wd1.myworkdayjobs.com/External/job/Steedman-MO/Senior-Reactor-Operator_033360
First Seen At2026-05-30 05:42:36Z
Last Seen At2026-06-06 19:25:59Z
Last Checked At2026-06-06 19:25:59Z
Last Changed At2026-06-06 19:25:59Z
Inactive At
Source Posted At2026-05-12 00:00:00Z
Source Updated At
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=workday/board=ameren.wd1.myworkdayjobs.com|ameren|External/date=2026-06-06/2026-06-06T19-25-54-345Z-a84e54aa334eaabe8c0fb73d1b5c5454c77234c1571829e37f28c1f9d839e399.json
Event Fields
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  "last_changed_at": "2026-06-06T19:25:59.748Z",
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Parsed Structured
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Extensions
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Native Structured
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    "jobDescription": "<p><b><u>About the Callaway Energy Center</u></b></p><p>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.</p><p></p><p><b>Our benefits include:</b></p><ul><li><p>Medical coverage on date of hire</p></li><li><p>100% employer paid cash balance pension plan</p></li><li><p>401(k) with company match fully vested on date of hire</p></li><li><p>Minimum of 15 days paid vacation and 12 paid holidays</p></li><li><p>Paid parental leave and family caregiver leave</p></li></ul><p></p><p>Visit our<a href=\"https://www.ameren.com/company/careers/why-ameren/benefits\" target=\"_blank\"><span><u> Benefits &amp; Perks</u></span></a> Page for more information on benefits provided to regular full-time employees. ​</p><p style=\"text-align:inherit\"></p><p style=\"text-align:inherit\"></p><div><div><p><b><span>About The Position </span></b></p></div><div><p><span>​</span><span><span>​</span><span><i>​</i><i><span>The<span> </span></span><span>Operating Supervisor supervises the operation of Callaway Energy Center to ensure the safe,<span> </span></span><span>legal</span><span><span> </span>and efficient operation of the nuclear power generating unit.</span></i><i>​</i></span><i>​</i></span><span> </span></p></div><div><p><span> </span></p><p><b><span>Key responsibilities include:  </span></b></p></div><div><ul><li><p><span>​</span><span><span>​</span><span><span>Manage and direct a team of approximately 10 employees.</span></span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>​</span><span><span>Direct Reactor Operators in the control room performing procedures to maneuver and operate the plant.</span></span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>​</span><span><span>Supervise Operations Technicians in the field performing local system operations and testing.</span></span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>​</span><span><span>Administer the Workman’s Protection Assurance Program.</span></span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>​</span><span><span>Train and develop crew members.</span></span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>​</span><span><span>Interface with all nuclear departments, internal company personnel, and external personnel as required to support work on plant equipment and systems.</span></span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>​</span><span><span>Maintain and promote positive behaviors in the areas of commitment to excellence, teamwork, respect, integrity, accountability, and stewardship.</span></span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>​</span><span><span>Support performance improvement initiatives such as assessments, benchmarks, and the corrective action program.</span></span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>​</span><span><span>Actively participate in training to develop and broaden the skills of the Callaway Energy Center workforce.</span></span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>​</span><span><span>May be assigned to rotational positions in work control or as a training instructor.</span></span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>​</span><span><span>Assume</span><span><span> </span>Emergency Response Organization (</span><span>ERO</span><span>)</span><span><span> </span>duties in accordance with Callaway Energy Center Radiological Emergency Response Plan (RERP) including responding to assigned ERO facilities within the required RERP response time.</span></span><span>​</span></span><span> </span></p></li></ul></div><div><p><span> </span></p></div><div><p><b><i><span>Qualifications</span></i><span> </span></b></p></div></div><div><p><b><span> ​<span>​</span><span><span>H</span><span>igh School Diploma or equivalent<span> </span></span><span>is<span> </span></span><span>required</span><span>.</span><span><span> </span></span></span></span></b><b><span><span><span>Must meet </span></span></span></b><b><span><span><span><u>one </u>of the following requirements: </span></span></span></b></p><p><span><span><span>1)</span><span><span> </span></span><span>Currently a Licensed Reactor Operator or Licensed Senior Reactor Operator with one or more years of experience in the position; </span></span></span></p><p><span><span><span>2) Previously a Licensed Reactor Operator or Licensed Senior Reactor Operator at a commercial reactor with at least 1.5 years of experience in the position; </span></span></span></p><p><span><span><span>3) Qualified Reactor Operator (RO), Engineering Watch Supervisor (EWS), Propulsion Plant Watch Supervisor (PPWS), or Engineering Officer of the Watch (EOOW) on a military reactor for a minimum of 2 years; </span></span></span></p><p><span><span><span>4) Bachelor</span><span>’s</span><span><span> </span>degree with a minimum of 1.5 years of nuclear power plant experience; </span></span></span></p><p><span><span><span>5) Previously Certified Senior Reactor Operator at another site or currently Certified Senior Reactor Operator at Callaway with at least 2 years of experience in the position.</span></span><span>​</span></span><span> </span></p></div><div><p><span> </span></p></div><div><p><b><span>I</span><span>n addition to the above qualifications, the successful candidate will demonstrate:</span></b><span> </span></p></div><div><p><span> ​<span>​</span><span><span>​</span><span><span>Good leadership, decision-making,<span> </span></span><span>communication</span><span><span> </span>and human relations skills are required. After preliminary review, selected applicants must take the First Line Supervisor Test and obtain a recommended status<span> </span></span><span>in order to</span><span><span> </span>be eligible for additional selection procedures (e.g., interview) designated for this position.  Qualified candidates are required to establish and maintain their permanent residence within sixty highway miles of the Callaway Energy Center.  Security screening required for Callaway Energy Center access.</span></span><span>​</span></span><span>​</span></span><span> </span></p></div><div><p><span> </span></p></div><div><p><b><i><span>Working Conditions</span></i><span> </span></b></p></div><div><p><span>​</span><span><span>​</span><span><span>​</span><span><span>The Operating Supervisor works a rotating shift in an office/plant environment.  Additional hours and/or callouts may be required during refueling outages and emergent plant activities as the needs arise.  <span> </span></span></span><span>​</span></span><span>​</span></span><span> </span></p></div><div><p><span> </span></p></div><div><p><b><i><span>Additional Information</span></i><span> </span></b></p></div><div><p><span><span>Ameren’s selection process includes a series<span> </span></span><span>of<span> </span></span><span>interviews and may include<span> </span></span><span>a leadership assessment process. <span> </span></span><span>Specific details will be provided to qualified candidates.</span></span><span> </span></p></div><div><p></p></div><p style=\"text-align:inherit\"></p><p style=\"text-align:inherit\"></p><p style=\"text-align:left\"><u><b>Compensation Range:</b></u></p>$105,100.00 - $162,900.00<p style=\"text-align:inherit\"></p><p style=\"text-align:inherit\"></p><p style=\"text-align:left\">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.</p><p style=\"text-align:inherit\"></p><p style=\"text-align:inherit\"></p><p style=\"text-align:left\"><span class=\"emphasis-2\"><b>If end date is listed, the posting will come down at 12:00 am on that date:</b></span></p><p style=\"text-align:inherit\"></p><p style=\"text-align:inherit\"></p><p style=\"text-align:left\"><b>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.</b></p><p style=\"text-align:inherit\"></p><p style=\"text-align:inherit\"></p>",
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