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 Senior 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.