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Principal Technical Sales Manager, CES

Constellation Energy

Baltimore, MD · Posted November 2, 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 $127,800 to $142,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).

Primary Purpose of Position

The Technical Sales Manager (TSM) provides building-systems knowledge & development/design expertise in support of sales efforts for Energy Efficiency focused Infrastructure Renewal and Building Upgrade & Improvement projects. The Principal TSM will lead identification and development of Energy Conservation Measures. This role will act as a Project Developer / Sale Engineer, managing the technical aspects of project development from qualification/conception to contract award. The TSM plays a critical role in supporting the early-stage qualification & development of energy efficiency project opportunities, balancing customer engagement with technical expertise to achieve business objectives.

Primary Duties and Accountabilities

Serve as the technical subject matter expert throughout the project development and sales cycle, focusing on building systems, mechanical and engineering design/performance, systems interactions, and utility rates/tariffs.

Expand project scopes by integrating Energy Efficiency, Sustainability, and Resiliency offerings beyond traditional measures.

Collaborate with the Business Development Manager and cross-functional teams to evaluate the technical and financial feasibility of project opportunities. Provide technical expertise and support during customer presentations led by the Business Development Manager.

Coordinate activities related to legal review of documentation and financing procurement.

Evaluate utility profiles and facility infrastructure to establish project direction, scope, and financial elements, including development of accurate financial pro formas and technical scopes of work.

Conduct initial facility and infrastructure assessments to identify Energy Conservation Measures (ECMs), infrastructure improvements, and corresponding energy, operational, and financial benefits.

Lead cross-functional teams through the development of all required project deliverables from initial qualification to contract award. Identify and align appropriate resources to define project scope, develop cost and savings models, and complete all related documentation. Negotiate scope and pricing with subcontractors to ensure alignment with project goals.

Work collaboratively with cross-functional teams to develop and manage project deliverables, budgets, and schedules, ensuring timely completion. Oversee resource allocation and associated expenditures. Throughout the sales cycle, coordinate efforts to secure all necessary project approvals.

Conduct quality control reviews of all project deliverables and supporting work products to ensure accuracy and completeness.

Minimum Qualifications

Bachelor's degree in Mechanical Engineering and 8-years of project development or sales engineering experience developing facilities-based or building infrastructure projects; or equivalent combination of education and relevant experience

Demonstrated technical knowledge and understanding of building systems and technologies, and the interaction of building systems

Experience performing cost savings analysis and leveraging customers' operational data to gauge value of potential project engagement opportunities

Demonstrated technical writing skills combined with strong financial and business acumen, including the ability to develop project pro formas and detailed scope-of-work documentation

Superior interpersonal and communication skills, including the ability to present complex solutions to both technical and non-technical audiences

Proven ability to develop, cultivate, and leverage professional networks and business relationships, including engineering firms and contractors

Experience managing project teams and internal peer groups, to meet project deliverable goals

Ability to obtain all required security clearances

Proficiency in speaking, reading, and writing English

Microsoft Office Suite experience

Preferred Qualifications

Experience developing energy efficiency projects under Energy Savings Performance Contract (ESPC), Energy as a Service (EaaS), Utility Energy Savings Contract, and/or GSA Schedule 84 Contract programs

Experience with cost estimating and building modeling software RSMeans, eProject Bulider, Trane TRACE & Energy Star

Professional Engineering (PE) registration, Certified Energy Manager (CEM) and/or LEED Accreditation

Certified Energy Auditor (CEA)

Primary Purpose of Position

The Technical Sales Manager (TSM) provides building-systems knowledge & development/design expertise in support of sales efforts for Energy Efficiency focused Infrastructure Renewal and Building Upgrade & Improvement projects. The Principal TSM will lead identification and development of Energy Conservation Measures. This role will act as a Project Developer / Sale Engineer, managing the technical aspects of project development from qualification/conception to contract award. The TSM plays a critical role in supporting the early-stage qualification & development of energy efficiency project opportunities, balancing customer engagement with technical expertise to achieve business objectives.

Primary Duties and Accountabilities

Serve as the technical subject matter expert throughout the project development and sales cycle, focusing on building systems, mechanical and engineering design/performance, systems interactions, and utility rates/tariffs.

Expand project scopes by integrating Energy Efficiency, Sustainability, and Resiliency offerings beyond traditional measures.

Collaborate with the Business Development Manager and cross-functional teams to evaluate the technical and financial feasibility of project opportunities. Provide technical expertise and support during customer presentations led by the Business Development Manager.

Coordinate activities related to legal review of documentation and financing procurement.

Evaluate utility profiles and facility infrastructure to establish project direction, scope, and financial elements, including development of accurate financial pro formas and technical scopes of work.

Conduct initial facility and infrastructure assessments to identify Energy Conservation Measures (ECMs), infrastructure improvements, and corresponding energy, operational, and financial benefits.

Lead cross-functional teams through the development of all required project deliverables from initial qualification to contract award. Identify and align appropriate resources to define project scope, develop cost and savings models, and complete all related documentation. Negotiate scope and pricing with subcontractors to ensure alignment with project goals.

Work collaboratively with cross-functional teams to develop and manage project deliverables, budgets, and schedules, ensuring timely completion. Oversee resource allocation and associated expenditures. Throughout the sales cycle, coordinate efforts to secure all necessary project approvals.

Conduct quality control reviews of all project deliverables and supporting work products to ensure accuracy and completeness.

Minimum Qualifications

Bachelor's degree in Mechanical Engineering and 8-years of project development or sales engineering experience developing facilities-based or building infrastructure projects; or equivalent combination of education and relevant experience

Demonstrated technical knowledge and understanding of building systems and technologies, and the interaction of building systems

Experience performing cost savings analysis and leveraging customers' operational data to gauge value of potential project engagement opportunities

Demonstrated technical writing skills combined with strong financial and business acumen, including the ability to develop project pro formas and detailed scope-of-work documentation

Superior interpersonal and communication skills, including the ability to present complex solutions to both technical and non-technical audiences

Proven ability to develop, cultivate, and leverage professional networks and business relationships, including engineering firms and contractors

Experience managing project teams and internal peer groups, to meet project deliverable goals

Ability to obtain all required security clearances

Proficiency in speaking, reading, and writing English

Microsoft Office Suite experience

Preferred Qualifications

Experience developing energy efficiency projects under Energy Savings Performance Contract (ESPC), Energy as a Service (EaaS), Utility Energy Savings Contract, and/or GSA Schedule 84 Contract programs

Experience with cost estimating and building modeling software RSMeans, eProject Bulider, Trane TRACE & Energy Star

Professional Engineering (PE) registration, Certified Energy Manager (CEM) and/or LEED Accreditation

Certified Energy Auditor (CEA)