Senior BMS Service Technician - Dallas, TX

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. Summary BMS Service Technician II diagnoses and resolves complex system issues in building management systems across commercial and mission-critical environments. This role ensures systems run reliably by completing service work from start to finish, reducing repeat issues, and maintaining consistent service quality. This role requires overnight travel for service repair work.