Senior Mechanical Engineer, HVAC

About the role

The Senior Mechanical Engineer – HVAC is responsible for the design, development, and delivery of heating, ventilation, air conditioning, and mechanical building systems throughout all phases of project execution.

Responsibilities

• Lead the design and production of HVAC engineering deliverables, including drawings, specifications, calculations, equipment selections, load analyses, and technical documentation throughout the project lifecycle.
• Design heating, ventilation, air conditioning, hydronic, refrigeration, exhaust, smoke control, and mechanical equipment systems in accordance with applicable codes, standards, energy requirements, and project objectives.
• Perform heating and cooling load calculations, ventilation analyses, equipment sizing, duct and pipe sizing, energy evaluations, and system performance analyses.
• Select and specify HVAC equipment, including air handling units, rooftop units, chillers, boilers, cooling towers, heat pumps, variable refrigerant flow (VRF) systems, terminal units, pumps, and associated mechanical equipment.
• Cookordinate HVAC system layouts with plumbing, structural, architectural, electrical, fire protection, and controls disciplines to ensure integrated and constructible building designs.
• Prepare and review coordinated 2D drawings and 3D models using computer-aided design (CAD) and Building Information Modeling (BIM) platforms.
• Review HVAC engineering deliverables to ensure compliance with project quality standards, coordination requirements, constructability expectations, and applicable mechanical and energy codes.
• Lead construction administration activities, including reviewing shop drawings and submittals, responding to Requests for Information (RFIs), conducting site visits, evaluating field conditions, supporting commissioning activities, and assisting with project closeout.
• Collaborate with architects, engineers, contractors, commissioning agents, utility providers, and project stakeholders to develop coordinated and high-performing HVAC solutions.
• Assist project managers with scope management, budgeting, scheduling, technical risk evaluation, and quality control related to HVAC system design.
• Apply sound engineering judgment to resolve complex HVAC design challenges while balancing occupant comfort, indoor air quality, energy efficiency, maintainability, resilience, and lifecycle costs.
• Support the evaluation and implementation of sustainable building strategies, including high-performance HVAC systems, energy recovery, decarbonization initiatives, electrification, heat recovery, and compliance with applicable energy and green building standards.

Qualifications

• Bachelor's degree in Mechanical Engineering (or equivalent engineering discipline) required.
• 6+ years of experience designing HVAC systems for commercial, institutional, healthcare, industrial, mission-critical, or advanced technology facilities required.
• Professional Engineer (PE) license required.
• Active NCEES Record for licensure maintenance preferred.
• Demonstrated experience designing heating, ventilation, air conditioning, hydronic, refrigeration, and mechanical equipment systems for commercial building projects.
• Strong understanding of the International Mechanical Code (IMC), ASHRAE standards, International Energy Conservation Code (IECC), applicable NFPA standards, and local building codes.
• Proficiency with HVAC load calculation software, energy modeling tools, CAD/BIM platforms, and industry-standard engineering design software.
• Experience coordinating HVAC systems within multidisciplinary BIM environments and participating in clash detection and constructability reviews.
• Strong knowledge of construction administration practices, submittal review, field coordination, commissioning, and project delivery methods.
• Excellent analytical, communication, collaboration, and problem-solving skills.
• Ability to effectively manage multiple projects and priorities while working independently and as part of a multidisciplinary team.