HVAC Senior Mechanical Engineer

About the Company

Our client is a well-established, industry-leading mechanical contractor specializing in the design and construction of complex HVAC and piping systems for commercial, industrial, and institutional clients. With decades of experience and a reputation for engineering excellence, safety, and innovation, the company supports a wide range of projects, from large-scale industrial facilities to mission-critical infrastructure. Their team culture values technical expertise, collaboration, and a commitment to delivering projects that exceed expectations.

About the Position

The HVAC Senior Mechanical Engineer will be responsible for the complete engineering and design of HVAC, steam, and industrial process piping systems. This role involves hands-on technical work, project coordination, and field integration support to ensure system performance and installation quality.

You will lead detailed system design efforts including load calculations, equipment selection, duct and piping layout and sizing, control sequences, and technical specifications. Your work will directly impact project bidding, permitting, construction execution, and commissioning. This is a high-visibility role that collaborates with project managers, estimators, and field operations to bring complex mechanical systems to life.

Key Responsibilities :

Design HVAC, steam, and process piping systems, including calculations and system layouts

Select appropriate equipment and size ductwork and piping systems

Develop control sequences and technical specifications for system operation

Support estimating teams with bid packages and design information

Prepare documents for permitting and regulatory submission

Provide engineering oversight during installation, commissioning, and system start-up

Coordinate closely with project management and field personnel to ensure design intent is met

Requirements

Bachelors degree in Mechanical Engineering or related field

Professional Engineering (PE) license preferred but not required

Minimum 7+ years of experience in HVAC and mechanical system design (industrial or commercial experience preferred)

Strong proficiency in HVAC load calculations, equipment selection, and system design software

Solid understanding of building codes, ASHRAE standards, and permitting requirements

Excellent communication skills and the ability to collaborate with cross-functional teams

Experience in field commissioning or construction support is a plus

Benefits

Competitive salary : $135,000–$145,000

Annual performance-based bonuses

Comprehensive medical, dental, and vision insurance

401(k) with company match

Paid time off and company holidays