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HGA

Mechanical Project Engineer

Washington, DC, United States

Salary Range: $116,000 - $124,500 depending on qualifications and experience.

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Job details

Pay: Salary Range: $116,000 - $124,500 depending on qualifications and experience.
Apply by: Nov 6, 2027
Working hours: 24 hours a week
Posting language: English
Posted: Nov 6, 2026

Original job description

Overview:

Mechanical Project Engineer

Location: Washington, DC or Boston, MA

Based on the East Coast, as a Mechanical Project Engineer, you will have a pivotal role in shaping and guiding projects and teams. This position offers the opportunity to make impactful decisions and introduce innovative ideas and perspectives, fostering a cohesive and collaborative environment.

Our diverse portfolio showcases projects across multiple sectors, with an emphasis on healthcare facilities and also corporate headquarters, laboratories, museums, government facilities at local, state, and federal levels, higher education buildings and campuses, and infrastructure improvements.

With the rapid evolution of building codes and technologies, we seek professionals who possess expert knowledge of applicable codes and regulations, extensive expertise in mechanical engineering systems application, sustainable design, and resiliency planning. Ideal candidates will have excellent problem-solving skills and the capability to collaborate with both internal and external clients to deliver high-value performance solutions on HGA’s projects nationwide.

What you'll do:

Lead HVAC system design, including load calculations, equipment selection, ductwork and piping layouts, project detailing, and engineering specifications.
Design plumbing systems, including capacity calculations, piping layouts, system details, and specifications.
Support and help define project sustainability and energy-performance goals.
Develop project work plans and guide technical staff to deliver designs within established budgets and schedules.
Mentor and support less experienced engineers and designers.
Participate in community engagement and industry outreach activities alongside HGA leaders.
Contribute to design reviews, client meetings, and technical workshops.
Resolve complex design challenges involving competing project requirements, system selection, and field conditions.
Research and evaluate engineering solutions and communicate recommendations to project teams.
Ensure designs comply with applicable building codes, industry standards, and quality requirements.
Coordinate closely with architects, engineers, and specialty consultants across disciplines.
Support business development activities, including proposal preparation, project pursuits, fee development, and client interviews.

You will need to have:

B.S. degree in Mechanical Engineering or Architectural Engineering
Professional Engineer registration recognized by a state licensing board
7 - 10 years of consulting engineering experience with emphasis on HVAC/plumbing design for a variety of HCAI/OSHPD projects for healthcare, laboratory, commercial, municipal, institutional and government facilities
Experience in delivering projects with LEED, Well, Green Globes, or similar sustainable certifications
Experience with leading teams on multiple projects concurrently
Knowledge in building controls is desired but not required
Revit, BIM, Trane/Trace, IES and Microsoft Office skills required

Salary information:

The pay range listed aligns to the geography of the office for which this position will posted. Actual compensation will be based upon work experience, education, licensure requirements and/or skill level and will be finalized at the time of offer. Individuals in this role working more than 24 hours a week on a regular basis are eligible to participate in HGA’s robust benefit programs which include an annual bonus and success sharing bonus program, 401(k) guaranteed contribution, paid parental leave, medical, dental and life insurance plans as well as PTO and short- and long-term disability programs. Salary Range: $116,000 - $124,500 depending on qualifications and experience.

Additional information:

At HGA, you’ll do the best work of your career. We design with impact by diving deep into the people and passions that shape every place. Empathy fuels us, curiosity drives us, and meaningful work leads to innovation. We celebrate individuality, embrace flexibility, and thrive together in the office three days a week.

Join our nationally recognized, award-winning team of architects, engineers, and interior designers - help us shape what’s next.

Learn more about us here.

Application Requirements & InstructionsPlease submit resume for consideration.

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More about this job

Skills

Mechanical engineering
Problem solving
HVAC
Plumbing
Community engagement
Research
Building codes
Sales
P.Eng.
LEED
Autodesk Revit
Building information modelling
Trane TRACE
Microsoft Office

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