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Principal Labor Relations Specialist


Job Location:

Kennett Square, PA - USA

Yearly Salary: USD 128700 - 143000
Posted: 29 September 2026 (4 days ago)
Application Deadline: 27 December 2026
Vacancies: 1 Vacancy

Job Summary

Who We Are As the largest private-sector power producer in the world and the nations 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 were 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 countrys 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 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 $128700 to $143000 varies based on experience along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position The Principal Labor Relations Specialist serves as a strategic advisor and subject matter expert on labor and employee relations matters providing guidance to leaders across the organization on the interpretation and administration of Collective Bargaining Agreements (CBAs) labor strategy and dispute resolution while also having the ability to lead a CBA negotiation as First Chair and Company Spokesperson. This role partners closely with management legal counsel and union leadership to support positive labor relationships while protecting Constellations operational legal and cultural objectives. Primary Duties and Accountabilities Manage labor and management activities within the assigned business unit. Assist business unit management in day-to-day labor activities including the formulating of responses to union related inquiries. Provide expert consultation on disciplines terminations grievances arbitrations and union-related matters ensuring consistent application of CBAs and company policies. Lead negotiations as first chair and company spokesperson in grievance proceedings or other labor relations meetings at the direction of the Employee and Labor Relations Senior Manager or Director. Provide support to the Director of Corporate Employee/Labor Relations in all negotiations. Consults with Vice Presidents Directors Managers Supervisors Union Officers and attorneys on labor strategy and policies dispute resolution contract administration and negotiations. Research analyze interpret and prepare contract language and background information to support company interest and positions. Deliver labor and employee relations training to leaders HR professionals and frontline management. Lead or support due diligence efforts related to labor relations in mergers acquisitions or reorganizations. Operate independently with minimal supervision while maintaining strong communication and collaboration within the Labor Relations team. Minimum Qualifications Bachelors degree in Human Resources Labor Relations Business or a related field 8 years of progressive experience in labor relations or employee relations preferably in a unionized environment Experience handling complex and sensitive issues requiring sound judgment and independent decision making Experience working with employees at all levels of the organization including senior leadership and union representatives Proven ability to lead in a high-performance culture with the ability to manage by influence Strong analytical skills the ability to clearly communicate complex concepts in speaking and writing Demonstrated excellent written and oral communication skills Preferred Qualifications Advanced degree in a relevant discipline Professional certification (e.g. SPHR SHRM-SCP) Experience supporting large complex or multi-site operations Familiarity with change management workforce analytics and labor relations technology
Primary Purpose of Position The Principal Labor Relations Specialist serves as a strategic advisor and subject matter expert on labor and employee relations matters providing guidance to leaders across the organization on the interpretation and administration of Collective Bargaining Agreements (CBAs) labor strategy and dispute resolution while also having the ability to lead a CBA negotiation as First Chair and Company Spokesperson. This role partners closely with management legal counsel and union leadership to support positive labor relationships while protecting Constellations operational legal and cultural objectives. Primary Duties and Accountabilities Manage labor and management activities within the assigned business unit. Assist business unit management in day-to-day labor activities including the formulating of responses to union related inquiries. Provide expert consultation on disciplines terminations grievances arbitrations and union-related matters ensuring consistent application of CBAs and company policies. Lead negotiations as first chair and company spokesperson in grievance proceedings or other labor relations meetings at the direction of the Employee and Labor Relations Senior Manager or Director. Provide support to the Director of Corporate Employee/Labor Relations in all negotiations. Consults with Vice Presidents Directors Managers Supervisors Union Officers and attorneys on labor strategy and policies dispute resolution contract administration and negotiations. Research analyze interpret and prepare contract language and background information to support company interest and positions. Deliver labor and employee relations training to leaders HR professionals and frontline management. Lead or support due diligence efforts related to labor relations in mergers acquisitions or reorganizations. Operate independently with minimal supervision while maintaining strong communication and collaboration within the Labor Relations team. Minimum Qualifications Bachelors degree in Human Resources Labor Relations Business or a related field 8 years of progressive experience in labor relations or employee relations preferably in a unionized environment Experience handling complex and sensitive issues requiring sound judgment and independent decision making Experience working with employees at all levels of the organization including senior leadership and union representatives Proven ability to lead in a high-performance culture with the ability to manage by influence Strong analytical skills the ability to clearly communicate complex concepts in speaking and writing Demonstrated excellent written and oral communication skills
Preferred Qualifications Advanced degree in a relevant discipline Professional certification (e.g. SPHR SHRM-SCP) Experience supporting large complex or multi-site operations Familiarity with change management workforce analytics and labor relations technology

Required Experience:

Staff IC


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