Operate, administer, and maintain the institute's building management system (BMS) and direct digital control (DDC) systems, including controllers, network devices, operator workstations, graphics, point databases, trend logs, schedules, and alarm configurations; Write, modify, test, and document control sequences and programs for air handling units, exhaust and supply fans, variable air volume terminals, fume hoods, chillers, boilers, pumps, heat exchangers, and variable frequency drive systems; Install, terminate, calibrate, and replace field control devices, including DDC controllers, sensors, transmitters, actuators, control valves, dampers, relays, transducers, and pneumatic components; verify proper operation following installation or replacement; Troubleshoot system malfunctions to determine whether the cause is controls, mechanical, electrical, or network related; respond to emergency calls and coordinate corrective action with HVAC Mechanics, electricians, and outside vendors; Monitor and maintain critical environments, including laboratory and vivarium space pressurization relationships, fume hood and biosafety cabinet airflow, cold rooms, warm rooms, temperature- and humidity-sensitive instrument and equipment areas; Configure, test, and maintain environmental monitoring and alarm notification for critical research equipment and spaces; investigate alarm events and document findings and corrective action; Analyze system trend data to diagnose comfort complaints, identify equipment faults and failing devices, verify sequence performance, and recommend energy conservation and operational improvements; Perform and document controls-related preventive maintenance, sensor calibration, control loop tuning, and functional performance testing; support retro-commissioning of existing building systems; Support capital and renovation projects by reviewing controls submittals, drawings, sequences of operation, and points lists; witness contractor start-up and commissioning; verify proper integration into the campus BMS prior to acceptance; Maintain accurate documentation, including as-built sequences, point naming conventions, network architecture, wiring diagrams, program backups, and system change logs; Interpret blueprints, control drawings, schematics, layouts or other specifications to determine installation, modification, or repair requirements; Interact with TSRI personnel, contractors and vendors to evaluate, plan and coordinate work. Requires experience installing, wiring, calibrating and troubleshooting controls field devices and instrumentation, including sensors, actuators, control valves, and variable frequency drives; requires the ability to use electrical and HVAC diagnostic test equipment and to interpret control drawings and schematics.