Mgr Reactor Engineering - Byron

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Location: BYRON, IL, United States
Organization: Constellation Energy Generation, LLC
Job ID: 239520
Date Posted: Jun 20, 2023

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Job Description


At Constellation, a freshly independent and soon-to-be Fortune 200 company, we're providing the energy and services to transform our future. Combining next generation technologies and product offerings with the country's lowest carbon generating fleet, our company is purpose-built to meet the challenges of the climate crisis.

Constellation has been the leader in clean energy production for more than a decade. Now we're speeding delivery of low-carbon or no-carbon power to help families, communities, governments, and businesses meet their sustainability and decarbonization goals. Constellation provides 10 percent of total clean power and 22 percent of clean baseload power in the United States and is the leading competitive retail supplier of energy products, services and clean energy solutions. The race is on to confront climate change, and no company is more ready to meet that challenge.

We are committed to advancing diversity, equity and inclusion and believe in attracting, retaining and advancing employees who will best serve and represent our customers, partners and communities. We provide a workplace that ensures mutual respect, where each individual has the opportunity to grow and contribute at their greatest potential. Constellation will provide you the tools and resources you need to design, build and power a successful career.

Join us as we accelerate the transition to a carbon-free future. Energize your career with Constellation.

Annual Salary starting from  $138,600.00 . 


Provides overall management of the Reactor Engineering function at one or more nuclear plants. Develops and implements long-term strategic reactivity station plans and day to day administration of all aspects of these activities. Manages the development of fuel and SNM moves, including refueling outage planning and oversight


  • Manages Reactor Engineering resources at one or more stations to assure functional area activities are executed with an appropriate balance of operational excellence, safety, and cost, while meeting regulatory requirements. (25%)
  • Manage the performance and development of assigned Reactor Engineering personnel and cadre relative to site and corporate objectives and provide focus on the attainment of high-quality results. (25%)
  • Directly and through subordinates, fulfill engineering and technical leadership accountability regarding short-term and long-term reactor engineering programs that impact site operations. Ensure that functional area support is provided for business plan initiatives. (25%)
  • Serve as the senior station expert and SFAM at one more stations for the management of reactivity and nuclear fuel, including the implementation of reload core designs and cycle management. (15%)
  • Participate in Business Planning, Budget, and Business Performance review regarding assigned personnel. Manages functional area Business Initiatives while interfacing with Corporate Operations and Nuclear Fuels. (5%)
  • Participate as a senior resource to Exelon-wide programs and initiatives regarding Reactivity Management and Operational Excellence. (5%)


General Responsibilities: Accomplish financial objectives by preparing an annual budget, tracking expenditures, analyzing variances, and initiating corrective action when necessary. Maintain staff by recruiting, selecting, training, and developing driven, high potential individuals Achieve best performance in reactivity and SNM/Fuel Move management. Department Specific Roles/Responsibilities: Develop long-term strategic plan for responsible design/technical support area. Develop personnel, providing growth opportunities and maintaining a robust succession plan. Set priorities for personnel supporting multiple nuclear stations. Provide governance and oversight for related functional areas, including acting as the SFAM for reactivity and nuclear fuels related items. Drive quality by enforcing standards and setting clear expectations for employees, vendors, and support personnel. Establish strategic goals by gathering pertinent business, financial, service, and operations information. Interact competently with SLT, station MRMs, NSRB members, and regulators and address any concerns in an effective and efficient manner. Manager Reactor Engineering: Responsibilities listed below are applicable for all stations that are managed, including each refueling outage, reactivity maneuver, general oversight, and travel to both home and non-home sites. Ensure that safe, reliable core/storage designs and processes are implemented and managed. Balance margins required to safely and efficiently operate the core and store spent fuel with meeting goals to reduce costs. Coordinate / direct the development and performance of technical products required to operate and maintain the fuel and Special Nuclear Material (SNM) in accordance with design and licensing basis. Responsible for receiving and implementing the loading of nuclear fuel assets worth $80-$150 million per reload per station. Responsible for management and operation of nuclear core worth $360 million in fuel assets per nuclear unit within design and licensing limits. Coordinate / schedule load drop evolutions and provide inputs to genmgr to ensure stations are maximizing generation. Provide on-shift oversight of reactivity related core maneuvers. Collaborate with the fuel vendors and nuclear core designers in running codes, selecting inputs and validating outputs used in fuel analysis and corresponding documentation. Maintain overall responsibility for computer-based reactor analysis and reactivity control systems. Monitor core and storage operations to ensure exposure and licensing assumptions are met. Follow reload/ISFSI campaigns process for meetings, special assignments, exposure accounting, cycle management reports and control blade/component management. Maximizing the effective life of components by ensuring replacement and usage strategies are optimal. Verify key goals and requirements are met in reload/ISFSI projects to ensure optimal performance with maximum operational flexibility. Provide support and review of Nuclear Fuels activities. Assignments may also include technical evaluations, criteria and testing plans for plant modifications, performance of operability determinations, and oversight of the station Reactivity Management program. Evaluate risks associated with key assumptions and develop mitigation strategies for unacceptable outcomes. Serve as a leader by participating in industry meetings, conferences, and working groups.


  • BS Engineering or equivalent technical degree
  • Ten years professional-level engineering experience
  • Five years of commercial nuclear power plant reactor engineering experience
  • Fulfills requirements of ANSI N18.1 for applicable site(s) at committed revision(s)
  • FLS/Management selection testing
  • Ability to travel to assigned sites to provide oversight

  • Nuclear Engineering degree
  • Professional Engineer Designation
  • Holds Qualified Nuclear Engineering (QNE) or Senior Reactor Operator certification / license
  • Multi-site experience
  • Advanced technical degree or MBA

Constellation is proud to be an equal opportunity employer and employees or applicants will receive consideration for employment without regard to: age, color, disability, gender, national origin, race, religion, sexual orientation, gender identity, protected veteran status, or any other classification protected by federal, state, or local law.

VEVRAA Federal Contractor

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