Working under the direction of the Mechanical Commissioning Lead, the CxA executes the hands-on mechanical commissioning scope on assigned data center and building commissioning programs including: installation verification, equipment startups, functional performance testing, and integrated systems testing per the project Commissioning Plan, program checklists, and approved test procedures. Execute L2 mechanical installation verification and pre-startup checks: equipment placement, piping connections, support and seismic bracing, insulation, pipe pressure and leak testing, strainer conditions, and pre-startup requirements.