What We're Looking For
At HNTB, you can create a career that is meaningful to you while building communities that matter to all of us. For more than a century, we have been delivering solutions for some of the largest, most complex infrastructure projects across the country. With our historic growth, it is an exciting time to join our team of employee-owners.
Our Bellevue office is seeking a HVAC and Piping Mechanical Engineering Intern for the summer 2026.
The Mechanical Engineering team specializes in the design of central heating and cooling plants, piping distribution, efficient energy generation and jet fuel systems that support airport infrastructure. We deliver utility strategic plans to airports that focus on reducing energy, water and greenhouse gas emissions. Our team develops and optimizes HVAC, plumbing, and piping systems; conducts thermal energy analyses; performs heating and cooling load calculations; and prepares technical documentation, mechanical drawings, and field observations. They also contribute to sustainability studies and system-performance optimization to ensure efficient heat transfer, reliable airflow, occupant comfort, and overall mechanical effectiveness across major infrastructure projects.
This opportunity entails being responsible for assisting assigned department(s) and/or project(s) by performing basic engineering related tasks which may reflect elements of standard post-secondary engineering curriculum
Relocation and housing are not available for this position.
What You'll Do:
Assists engineer teams in various tasks and duties.
Assists Engineer with research, development and design of projects.
Assists Engineer with the preparation of engineering drawings and documents as assigned.
Performs other duties as assigned.
What You'll Need:
What You'll Bring:
Understands engineering, geometric, and algebraic principles at a basic level.
Shows proficiency with Microsoft Office Suite.
Accepts and applies direction from peers and supervisors.
Obtains an understanding of introductory shop drawing and submittal procedures and requirements.
Ability to perform basic engineering calculations
Ability to organize information for use in drawings or other documents
What We Prefer:
Pursuing a degree in Mechanical Engineering
Knowledge of thermodynamics, heat transfer, and fluid dynamics
Strong interest in HVAC and Utilities
Familiarity with software like AutoCAD, Revit, or MATLAB
Previous internship in HVAC or utilities
Additional Information
Click here for benefits information: HNTB Total Rewards
Click here to learn more about Equal Opportunity Employer/Disability/Veteran
Visa sponsorship is not available for this position.
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Locations:
Bellevue, WA (Seattle)
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The approximate pay range for the Greater Seattle, WA Metro Area is $24.23 - $36.34. Please note that the pay range provided is a good faith estimate for the position at the time of posting. Actual compensation will be dependent on factors, including but not limited to, the individual's qualifications, experience, knowledge, skills, and abilities as well as physical work location within the state.
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The approximate nation wide pay range for this position is $21.07 - $39.50. Please note that the pay range provided is a good faith estimate for the position at the time of posting. Actual compensation will be dependent on factors, including but not limited to, the individual's qualifications, experience, knowledge, skills, and abilities as well as physical work location within the state.
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NOTICE TO THIRD-PARTY AGENCIES:
HNTB does not accept unsolicited resumes from recruiters or agencies. Any staffing/employment agency, person or entity that submits an unsolicited resume to this site does so with the understanding that the applicant's resume will become the property of HNTB. HNTB will have the right to hire that applicant at its discretion and without any fee owed to the submitting staffing/employment agency, person or entity. Staffing/employment agencies who have fee agreements with HNTB must submit applicants to the designated HNTB recruiter to be eligible for placement fees.
Job Type: Intern
Full/Part Time: Full time
Job Category: Engineering Group
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