HVAC Mechanical Engineer

At Salas O’Brien we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.

Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career—and they’ll receive great total rewards along the way.

About Us

Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow’s requirements are today’s 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.

Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.

Job Summary: The HVAC Mechanical Engineer is responsible for the design, analysis, and development of HVAC and mechanical systems for commercial, industrial, and federal projects. This role prepares engineering calculations, drawings, and specifications, collaborates with multidisciplinary teams, and ensures designs meet applicable codes, client requirements, and project schedules while delivering high-quality, cost-effective solutions.

Responsibilities

• Provide engineering design, evaluation, and planning of mechanical systems for healthcare, science & technology, education, and commercial projects
• Perform Load/Energy calculations with software such as Trace 700, Carrier HAP, and similar programs
• Work with senior engineer to conduct building surveys and documentation of existing HVAC systems
• Develop system design calculations and selection of equipment for use in buildings
• Write/edit project specifications
• Prepare detailed design documents, reports, and studies
• Code compliance research
• Coordinate work with other disciplines
• Provide construction administration services

Qualifications And Experience

• 1-5 years of experience
• BS or MS in Mechanical Engineering or related field
• Proficient in Revit, AutoCAD, and MS Office
• Strong grasp of thermodynamics, fluid mechanics, and local building codes
• Familiarity with codes, standards, and design guidelines

Location: Philadelphia, PA

Travel: Some travel to US sites.

Compensation & Benefits

The expected base salary range for this role is $75,000 - $100,000 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

Benefits

For more information, visit our full benefits overview here.

Equal Opportunity Employment Statement

Salas O’Brien 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 O’Brien will accommodate the disability-related needs of applicants as required by law.