Business Manager
Constellation Energy
Middletown, CA · Posted November 3, 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 $99,900 to $111,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).
Constellation is looking for a Business Manager at our Geysers location in Middleton, California.
Primary Purpose of Position
Responsible for the Supply / Administrative and Financial functions of a power plant including, one or more of the following, annual budget, administrative, financial, uniform program, purchasing, shipping, receiving, stores management and inventory control.
Primary Duties and Accountabilities
Manage all subcontractors providing onsite services, including administrative oversight for contracts, purchase orders, and insurance requirements.
Ensure compliance with financial regulations and internal policies, maintaining the integrity of financial planning processes.
Oversees and manages administrative contracts including requests for proposal and contract negotiation.
Oversee governance standards, controls, and best practices for service contract administration and supporting business processes.
All other job assignments and/or duties pursuant to company policy or as directed by management, including but not limited to support of station initiatives, recovery activities, and special assignments.
Minimum Qualifications
Bachelor's degree in business, engineering, or science with 5 years related experience OR
Associate's degree in engineering or business with 7 years related experience OR
High school diploma/GED with 9 years related experience
Experience with contractor, contract and supply management
Preferred Qualifications
Master's degree in technical discipline or business administration
Project Management Institute (PMI) certification
3 years of supervisory/management experience.
Strong proficiency in Microsoft Office Suite applications
Primary Purpose of Position
Responsible for the Supply / Administrative and Financial functions of a power plant including, one or more of the following, annual budget, administrative, financial, uniform program, purchasing, shipping, receiving, stores management and inventory control.
Primary Duties and Accountabilities
Manage all subcontractors providing onsite services, including administrative oversight for contracts, purchase orders, and insurance requirements.
Ensure compliance with financial regulations and internal policies, maintaining the integrity of financial planning processes.
Oversees and manages administrative contracts including requests for proposal and contract negotiation.
Oversee governance standards, controls, and best practices for service contract administration and supporting business processes.
All other job assignments and/or duties pursuant to company policy or as directed by management, including but not limited to support of station initiatives, recovery activities, and special assignments.
Minimum Qualifications
Bachelor's degree in business, engineering, or science with 5 years related experience OR
Associate's degree in engineering or business with 7 years related experience OR
High school diploma/GED with 9 years related experience
Experience with contractor, contract and supply management
Preferred Qualifications
Master's degree in technical discipline or business administration
Project Management Institute (PMI) certification
3 years of supervisory/management experience.
Strong proficiency in Microsoft Office Suite applications