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Principal Category Manager

Constellation Energy

Warrenville, IL · Posted November 13, 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 $130,500 to $145,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).

PRIMARY PURPOSE OF POSITION

This job is responsible for providing oversight, governance and implementation of the Supply Chain Process, Seven Step Sourcing Process; serving as primary liaison with Suppliers and business unit stakeholders; and managing high risk, complex, and high spend categories within and across business units. In addition, the incumbent may supervise Supply employees.

PRIMARY DUTIES AND ACCOUNTABILITIES

Provide oversight and manage categories and associated purchases; perform category spend and risk analysis; and design and implement category and supplier risk mitigation strategies.

Provide governance direction to contract administrators, procurement and sourcing specialists and other supply personnel, as appropriate, within assigned business and spend categories.

Define and drive implementation of sourcing, purchasing and category best practices across. Define and implement standard procurement/sourcing practices to improve overall effectiveness; identify current trends and best practices to drive process improvement with stakeholders and secure sponsorship to continuously improve.

Lead personnel (both within and external to Supply) to achieve objectives across related categories and/or across multiple sourcing initiatives. Prioritize competing needs and assign tasks to support strategic sourcing initiatives and other Supply projects, as appropriate.

Develop and implement a category plan(s) that defines the strategy for effectively managing the category of spend to meet business unit and Exelon goals; incorporates spend analysis, industry analysis, economic trends, risk analysis and mitigation plans and communication/change management strategies

May supervise Supply Management personnel.

Support the Business Units' Emergency Response activities as assigned.

MINIMUM QUALIFICATIONS

Bachelor's Degree in business, engineering, science or related field with a minimum of 8 years of experience.

Demonstrated command of Category(ies) and supply management practices and concepts. Demonstrated understanding of entire' supply chain and cost drivers.

Demonstrated project and change management skills.

Ability to meet and exceed customer requirements while managing multiple projects and competing priorities, including the ability to present and defend positions before executive audiences.

Demonstrated data analysis capability and the ability to evaluate financial impacts of sourcing decisions.

Excellent negotiation, conflict management and communication skills. Ability to challenge clients and leadership effectively where appropriate. Strong ability to hold Suppliers accountable for performance

Ability to effectively navigate in a support organization

Balancing competing priorities while building and maintaining productive relationships. Ability to constructively manage conflict among stakeholders.

Demonstrated business acumen, ability to grasp technical requirements and communicate effectively with business unit and corporate personnel in order to meet customer expectations.

Strong understanding of contract terms and conditions.

PREFERRED QUALIFICATIONS

Energy Industry or Nuclear experience, highly preferred

Detailed specific category expertise in Radiation Waste and Decontamination Services, a plus

People leadership experience or demonstrated leadership behaviors, a plus

PRIMARY PURPOSE OF POSITION

This job is responsible for providing oversight, governance and implementation of the Supply Chain Process, Seven Step Sourcing Process; serving as primary liaison with Suppliers and business unit stakeholders; and managing high risk, complex, and high spend categories within and across business units. In addition, the incumbent may supervise Supply employees.

PRIMARY DUTIES AND ACCOUNTABILITIES

Provide oversight and manage categories and associated purchases; perform category spend and risk analysis; and design and implement category and supplier risk mitigation strategies.

Provide governance direction to contract administrators, procurement and sourcing specialists and other supply personnel, as appropriate, within assigned business and spend categories.

Define and drive implementation of sourcing, purchasing and category best practices across. Define and implement standard procurement/sourcing practices to improve overall effectiveness; identify current trends and best practices to drive process improvement with stakeholders and secure sponsorship to continuously improve.

Lead personnel (both within and external to Supply) to achieve objectives across related categories and/or across multiple sourcing initiatives. Prioritize competing needs and assign tasks to support strategic sourcing initiatives and other Supply projects, as appropriate.

Develop and implement a category plan(s) that defines the strategy for effectively managing the category of spend to meet business unit and Exelon goals; incorporates spend analysis, industry analysis, economic trends, risk analysis and mitigation plans and communication/change management strategies

May supervise Supply Management personnel.

Support the Business Units' Emergency Response activities as assigned.

MINIMUM QUALIFICATIONS

Bachelor's Degree in business, engineering, science or related field with a minimum of 8 years of experience.

Demonstrated command of Category(ies) and supply management practices and concepts. Demonstrated understanding of entire' supply chain and cost drivers.

Demonstrated project and change management skills.

Ability to meet and exceed customer requirements while managing multiple projects and competing priorities, including the ability to present and defend positions before executive audiences.

Demonstrated data analysis capability and the ability to evaluate financial impacts of sourcing decisions.

Excellent negotiation, conflict management and communication skills. Ability to challenge clients and leadership effectively where appropriate. Strong ability to hold Suppliers accountable for performance

Ability to effectively navigate in a support organization

Balancing competing priorities while building and maintaining productive relationships. Ability to constructively manage conflict among stakeholders.

Demonstrated business acumen, ability to grasp technical requirements and communicate effectively with business unit and corporate personnel in order to meet customer expectations.

Strong understanding of contract terms and conditions.

PREFERRED QUALIFICATIONS

Energy Industry or Nuclear experience, highly preferred

Detailed specific category expertise in Radiation Waste and Decontamination Services, a plus

People leadership experience or demonstrated leadership behaviors, a plus