Intern Electrical and Mechanical/Fire Protection Engineering – Summer 2026

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 an Intern for their Electrical, Mechanical and Fire Protection Engineering department.

As an engineering intern at HNTB, you’ll support the design and development of infrastructure projects by collaborating with experienced engineers and multidisciplinary teams. Your responsibilities will include assisting with research, design efforts, and preparing engineering drawings and documentation to contribute to safe, efficient, and sustainable solutions across transportation and architectural environments.

For Mechanical and Fire Protection, the intern will help design and lay out HVAC, plumbing, and fire suppression systems for both architectural and transportation projects. They will also support flow analysis and contribute to fire and smoke mitigation strategies, particularly for highway and tunnel projects. Additionally, they will assist in designing mechanical systems for transit stations and public facilities.

In the area of Electrical Engineering, the intern will participate in the design of electrical power systems and assist with system calculations, including electrical load and voltage drop analysis. They will also apply the National Electric Code (NEC) in their work and contribute to lighting system design using AGI32 software.

Relocation and housing are NOT provided for these positions.

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:

• High School Diploma/GED or equivalent plus current enrollment in an accredited post-secondary engineering program

What You’ll Bring:

• Strong writing and communication skills for gathering assignments, collaborative problem solving, and communicating results
• Interest and basic understanding in electrical or mechanical/fire protection systems
• Shows proficiency with Microsoft Office Suite.
• Accepts and applies direction from peers and supervisors.
• Ability to perform basic engineering calculations
• Ability to organize information for use in reports or other documents

What We Prefer:

• Completion of 2 years of post-secondary education and enrollment in an engineering program
• Strong interest in transportation and infrastructure
• Experience with AGI32 lighting analysis software
• Familiarity with CAD tools: MicroStation, Revit, or AutoCAD

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.