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Sr Environmental Specialist

Constellation Energy
Warrenville, IL Full Time
POSTED ON 6/1/2026 CLOSED ON 6/13/2026

What are the responsibilities and job description for the Sr Environmental Specialist position at Constellation Energy?

Sr Environmental Specialist


Constellation Energy is looking for
an exceptional addition to their team as a Sr Environmental Specialist at our Cantera location in Warrenville, Illinois.


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.


Sr Environmental Specialist

Expected salary range of $113,400 to $126,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).

Primary Purpose of Position

Responsible for providing independent technical, regulatory, program support, and expertise on Constellation Nuclear Environmental compliance issues and projects in all relevant environmental areas. Serve as the program owner and administrator working with functional areas for assigned programs that directly affect the compliance status of the facility (e.g., Air Permits, DOT shipment of hazardous wastes, National Pollutant Discharge Elimination System (NPDES) permits, hazardous waste and non-hazardous waste regulations, storage tanks, drinking water, Spill Prevention Control Countermeasure, Superfund Amendments Reauthorization Act (SARA)/Emergency Plan Community Right to Know Act (EPRA), International Standardization Organization/Environmental Management System, Occupational Safety and Health Administration (OSHA) chemical safety, Hazmat). Attends and presents at leadership meetings. Responsible for working with industry trade groups and regulatory agencies to increase knowledge base and influence programs, projects and regulations. Develops relationships with stakeholders and is recognized by peers in at least one program area as a subject matter expert. Works to develop expertise in additional program areas, as appropriate. Develops and provides environmental training to site personnel as needed. With the assistance of others, interacts with regulatory officials providing tours and obtains approvals, permits, certifications, and licenses relating to Environmental projects, pollution control systems, or waste management activities.


Primary Duties and Accountabilities


  • Responsible for providing technical guidance in assigned programs. Provides regulatory support for all environmental program areas as necessary. Maintains environmental contracts as assigned. Responsible to represent the site during environmental audits conducted by both internal and external organizations.
  • React to and assist the Site and fleet in responding to emergent environmental issues.
  • Manage environmental projects including development of scope, solicitation of proposals, proposal evaluation, soliciting funding, project timeline, budget and deliverables.
  • Serve as technical expert to support and participate in representing Constellation Nuclear in meetings with regulatory agencies, engineering consultants, Legal Counsel (internal and external) and serve on technical committees as assigned.
  • Reviews, evaluates and interprets new and existing environmental regulations and legislation pertaining to Constellation Nuclear operations and activities. Updates procedures to reflect regulatory requirements, as appropriate.
  • Support and perform the evaluation of new technology, processes, and programs and recommend specific actions for Constellation Nuclear operations.
  • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department.

Sr Environmental Specialist

Minimum Qualifications


  • Bachelor's degree
    in Environmental or Chemical Engineering, Biology Environmental Science, Environmental Studies, Geology or related program/equivalent with 6 years of experience working with environmental programs (i.e., Clean Air Act Clean Water Act Safe Drinking Water Act SARA Resource Conservation and Recovery Act (RCRA) and/or other environmental program areas)
  • Minimum of 2 years of experience presenting issues and advocating positions
  • Demonstrated knowledge of multi-media Federal and State Environmental statutes and regulations
  • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties
Preferred Qualifications
Sr Environmental Specialist
  • Experience in the nuclear utility industry highly preferred

  • Experience with Environmental Regulations, Compliance, Plans and reports highly preferred.
  • Master's degree or graduate work in engineering, sciences, law or business is preferred
  • Professional certification or other recognition

Benefits:

401K Plan, Maternity & Paternity Leave, Health Insurance

Salary : $113,400 - $126,000

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