Client Relations Specialist, Energy Advisory at Mantis Innovation — Burlington, MA

About Mantis We help organizations improve how their buildings perform by bringing together energy, facility operations, and sustainability into one connected approach. At Mantis, our teams work across the full lifecycle of a facility—from planning and design to field execution and long-term asset management—across commercial and industrial portfolios, data centers, and complex mechanical systems. Our work spans four core areas: Building Controls, Energy Efficiency, Energy Advisory, and Facility Management—covering HVAC/mechanical optimization, BMS/BAS and EPMS controls, lighting system upgrades, energy brokerage, roofing and building envelope assessments, construction management, and more. Whether you’re in sales, engineering, construction/project management, field operations, corporate, or technology, you’ll play a role in delivering these solutions and helping clients improve facility performance.

The Client Relations Specialist plays a critical role in supporting and servicing existing client accounts by acting as a key liaison between clients, internal sales teams, channel partners, and energy supply partners. This role is responsible for maintaining strong relationships, ensuring accurate and timely contract processing, and resolving post-sale issues to deliver high-quality client experience throughout the contract lifecycle.