Intern Mechanical and 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 Northern California offices (Oakland or San Jose) are seeking an Intern within their Mechanical and Fire Protection Engineering department.

As a Mechanical and Fire Protection Engineering Intern at HNTB, you will support the design and development of mechanical and fire protection systems for complex infrastructure projects. You'll work alongside experienced engineers and multidisciplinary teams to help deliver safe, efficient, and sustainable solutions across transportation and architectural environments. You'll contribute to the design and layout of HVAC, plumbing, and fire suppression systems for public transit and aviation facilities. The role also involves supporting flow analysis and fire/smoke mitigation strategies for highway and tunnel projects. Collaboration with cross-functional teams is key to integrating mechanical into overall project designs. This internship offers hands-on experience in real-world projects and an opportunity to develop technical skills in a dynamic, team-oriented environment.

Relocation and housing assistance is NOT provided 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:

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

What You'll Bring:

• Interest and basic understanding in HVAC and plumbing/piping/pumping 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:

• Pursuing a degree in Mechanical Engineering
• Completion of 2 years of post-secondary engineering program
• Strong interest in transportation and infrastructure
• 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.

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Locations:

Oakland, CA, San Jose, CA

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The approximate pay range for the California San Francisco Bay Area is $ $38.54. 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

ReqID: R-28515 #college