Senior Mechanical Engineer

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 $110000 - $150000 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 forperformance-based bonuses and a comprehensiveU.S. basedbenefits 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.

About Us:

Founded in 1975 Salas OBrien is an employee-owned engineering and professional services firm focused on achieving impact for our clients our team and the world. We know that tomorrows requirements are todays opportunities and we are here to design lasting solutions for pressing challenges.

We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers healthcare science and technology high-rise buildings clean energy education and other building types as well as structural and building sciences infrastructure asset management advanced robotics and more.

Third-Party Agency Notice

Salas OBrien does not accept unsolicited resumes from external recruiters or agencies. We only work with approved partners engaged directly by our Talent Acquisition team for specific searches. Unsolicited submissions will not be eligible for placement fees.

Equal Opportunity Employment Statement

Salas OBrien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race colour religion age sex national origin disability status genetics protected veteran status sexual orientation gender identity or expression or any other characteristic protected by federal state/provincial or local laws. Salas OBrien will accommodate the disability-related needs of applicants as required by law.

Required Experience:

Senior IC