HVAC Design Engineer

HVAC Design Engineer – Commercial IndustrialMSC (Mechanical Service Corporation) is a leading mechanical service company specializing in complex HVAC, process cooling, and building automation systems for commercial, industrial, and institutional environments. As a recognized leader in the Northeast region since 1976, we are the technical authority on complex HVAC, process cooling, and building automation systems, with a practice that spans advanced diagnostics, design/build, retrofit and replacement, and long-term service.MSC is seeking an experienced HVAC Design Engineer to lead design/build and retrofit project development. This is a technical role focused on originating and developing custom mechanical solutions for building owners in commercial, industrial, and institutional settings. The ideal candidate possesses the technical depth to assess existing conditions in the field, develop viable mechanical solutions, produce clear design documentation, and prepare accurate estimates covering equipment, materials, and labor.Key ResponsibilitiesConduct site surveys of existing mechanical systems to assess conditions and define project scopeDevelop original HVAC and process cooling system designs for commercial, industrial, and institutional facilities, with the ability to define scope and solutions independently where no plans or specifications existPerform load calculations and equipment sizing using industry-standard toolsSelect appropriate equipment and specify systems, including air handling units, chillers, cooling towers, heat exchangers, piping, controls, and related componentsProduce design drawings, schematics, and supporting documentation sufficient to define scope and support installationPrepare detailed project estimates encompassing equipment, materials, and laborDevelop clear, professional proposals tailored to direct-to-owner sales opportunitiesCollaborate with the sales team to present and refine proposals as neededTransition awarded projects to operations and field teams with thorough documentation and handoffProvide ongoing technical support to field and office teams during project executionConduct site visits as needed to verify conditions and support installationQualificationsDegree in Mechanical Engineering or equivalent combination of technical education and field experience5-10 years of experience in HVAC design/build work in commercial, industrial, or institutional environmentsDemonstrated ability to develop mechanical system solutions without existing plans or specificationsProficiency in load calculation and equipment selection software (HAP, Trace 700, or equivalent)Experience producing design drawings using CAD or similar toolsStrong estimating skills, with the ability to accurately quantify equipment, material, and labor costsSolid working knowledge of applicable codes and standards, including ASHRAE and local mechanical codesExcellent verbal and written communication skillsResourceful, self-directed, and comfortable managing multiple priorities simultaneouslyProfessional Engineer (PE) license a plus, but not requiredSalary & BenefitsSalary $140,000 - $160,000Comprehensive benefits package including paid time off, employer-subsidized health insurance, 401(k) with match, and long-term and short-term disability insuranceOpportunities for professional growth and developmentCollaborative and supportive work environmentTrain directly with owner/lead PE