Lead mechanical facility design for project phase-specific deliverables, which include, but are not limited to: airflow diagrams, HVAC zoning plan, pressurization map, HVAC and process utility sequence of operations, process utility summaries, piping & instrumentation diagrams (P&IDs), equipment list, line list, instrument list, tie-point list, HVAC layout drawings, plumbing layout drawings, demolition drawings, general arrangements, permit-required drawings, and piping design. Perform on-site utility audits for systems including, but not limited to: natural gas, domestic cold/hot water, compressed gas, glycol, steam, process/sanitary/storm plumbing, and HVAC.