Senior Mechanical Engineer (Hybrid)Job Summary: The Senior Mechanical Engineer leads the design, coordination, and delivery of complex building HVAC and thermal energy systems. This role provides technical leadership across heating, cooling, ventilation, and control systems while managing multidisciplinary design teams and working directly with clients. Candidates with extensive HVAC systems design experience or deep expertise in building energy modeling and life-cycle cost analysis are encouraged to apply.
Responsibilities:- Lead the design and delivery of complex HVAC and thermal energy systems across all project phases
- Provide technical leadership, mentorship, and quality oversight to mechanical design teams
- Design and coordinate thermal energy generation and distribution systems, including hot water, steam, chilled water, geothermal wellfields, water-source and air-source heat pumps
- Perform and oversee engineering calculations to determine HVAC system loads using IESVE or similar tools
- Design HVAC systems including air handling, energy recovery, precision temperature and humidity control, and radiant heating and cooling
- Develop building automation and control strategies to support performance, efficiency, and occupant comfort
- Prepare mechanical master plans and support long-term infrastructure planning
- Support sustainable design initiatives and certification efforts, including LEED, LBC, PHIUS, and WELL
- Collaborate with architects, owners, utilities, and contractors to resolve technical challenges
- Participate in client meetings, presentations, and interdisciplinary coordination efforts
Qualifications and Experience:- Bachelor of Science in Mechanical Engineering (BSME) required
- Ideally minimum of 10 years of experience designing and leading design teams for building HVAC systems
- Professional Engineer (PE) license preferred
- Demonstrated experience with complex HVAC and thermal energy systems (required)
- Proficiency with IESVE or similar HVAC system load calculation software required
- Strong written and verbal communication skills, with comfort in client-facing environments
- Proven ability to manage multiple projects, priorities, and stakeholders
Location: Laconia, NH/ Boston, MA/ Portland, ME
Work Location Type: Hybrid
Travel: Up to 20%
Compensation & Benefits: The expected base salary range for this role is $
110,000 - $150,000 USD per year. Actual compensation will be determined based on a number of factors including skills, experience, qualifications, and location.
This role is also eligible for performance-based bonuses and a comprehensive U.S. based benefits package, including:
- Medical, dental, and vision insurance
- 401(k) with company match
- Paid time off and company holidays
- Wellness programs and employee assistance resources
- Professional development support
For more information, visit our full benefits overview here.
