Serve as an onsite technical resource of mechanical infrastructure systems and equipment, with an emphasis on practical field operation Ensure appropriate cross-functional collaboration between local mechanical team and applicable local and global teams Contribute to mechanical safety program for site Plan, resource, author or approve work procedures to cover mechanical troubleshooting, repair, retrofit, and maintenance activities, with an emphasis on assessing & mitigating personnel and critical systems and operational risk Conduct or oversee hands-on troubleshooting, repair, retrofit, and maintenance of mechanical equipment Oversee mechanical system configurations and component upgrades to ensure system integrity is maintained and that all modifications to existing systems comply with best practices, including change control processes Provide Quality Assurance/Quality Control (QA/QC) oversight of construction projects and maintenance activities Participate in root-cause analysis activities in area of expertise Provide training to Critical Facility Engineers and other cross functional teams on mechanical equipment, systems, procedures, and changes to include mechanical/fire & life safety/water equipment/systems and procedures Manage vendor relationships for mechanical maintenance and retrofit work Provide feedback on global mechanical maintenance strategies and global mechanical system design improvements Travel expectations can be significant during the first 1-3 months for initial training and onboarding. The Mechanical Subject Matter Expert will need to be experienced in diverse technologies such as chiller systems, evaporative cooling, DX cooling, water distribution and treatment, emergency diesel generators, fire suppression systems, and have a working knowledge of building automation systems and electrical distribution.