Sr Staff Fuels Engineer
Constellation Acquisition Corp I
Kennett Square, PA · Posted October 7, 2026
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About the job
Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program; comprehensive medical, dental and vision benefits, including robust wellbeing programs; disability and life insurance benefits; paid time off for vacation, holidays, and sick days; and much more. Expected salary range of $151,200 to $168,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Performs advanced fuels related problem solving in support of Clean Energy Center (CEC) operations. Responsible for technical decisions. Possesses superior knowledge in functional discipline and its practical application and regulations. Functions with recognized industry-level of expertise in a technical area. Primary Duties and Accountabilities Perform advanced nuclear engineering and technical tasks in support of CECs Perform independent research, reviews, studies and analyses in support of regulatory/technical projects and programs. Provides in-depth technical expertise to develop, manage, and implement nuclear engineering activities related to CEC safety, reliability, maintainability, and availability ensuring compliance to customer's needs, regulatory requirements, and corporate policies. Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices and codes are used in preparation of plans and specifications. Provide technical expertise and consultation through direct involvement to identify and resolve equipment and system problems. Provides initial or complete task management of engineering issues. Recommend new concepts and techniques to improve performance, simplify operations, reduce costs or comply with changes in codes or regulations. Supports CEC design modifications, testing and problem solving, as necessary. Assure all engineering products prepared or overseen are in accordance with applicable safety analyses, industry codes, and all regulatory requirements. Develop, implement and coordinate functional supervisory activities including, but not limited to, personnel, budgetary accountabilities and planning goals with respect to Nuclear Fuels personnel. All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage, Department duty coverage and/or call out, and positions outside of department in support of outage activities etc.) Minimum Qualifications Bachelor's degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) with 10 years of nuclear experience or related engineering experience Demonstrated technical leadership experience (e.g. duty team, inspection lead, etc.) Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications Professional Engineering Registration, advanced technical degree or Coursework Qualified Nuclear Engineer (QNE) Qualification or SRO Certification, desired