Keywords: Senior Mechanical Engineer, PE License, HVAC Design, Design-Build, Portland Engineering Jobs, Revit MEP, ASHRAE, Mechanical Contracting, Energy Services, Construction Administration, MEP Coordination, LEED, HVAC Systems, Project Leadership, AEC Industry. In this role, you aren't just calculating loads; you are a strategic lead, responsible for the lifecycle of sophisticated HVAC systems that power the region’s most critical infrastructures—from sterile healthcare environments to high-rise commercial towers.