Commissioning Engineer Intern

Overview

Join a Team Where Engineering Excellence Drives Opportunity

At  Affiliated Engineers, Inc. (AEI) , we bring together expertise and innovation to solve the most complex challenges. Since 1978, we’ve supported mission-driven organizations in designing systems and environments that advance society and improve lives. Today, with more than 900 professionals across 22 offices, we help shape the future of healthcare, science and technology, energy, education, and other vital sectors.

From elevating patient care in Mayo Clinic’s world-class hospitals to enabling discovery in high-containment laboratories for . agencies and driving environmental progress with Microsoft’s renowned Thermal Energy Center, our work enriches the human experience, safeguards the environment, and pushes the boundaries of possibility.

AEI consistently earns national recognition from leading industry publications, including Building Design+Construction, Engineering News-Record, and Consulting-Specifying Engineer, with distinctions such as being named the #1 Laboratory Engineering Firm in the nation and receiving multiple Best of the Best Project awards, underscoring the lasting legacy of our work.

At AEI, you’ll join a collaborative community where your expertise fuels innovation, your ideas drive progress, and your work helps shape a brighter future.

As a Commissioning Engineer Intern in our San Francisco office for Summer 2026 , you will help us empower our clients to achieve energy-efficient building solutions, save global environments, and create a better, greener future for all.

Why we need you :

In this role, you will have the opportunity to approach engineering in unconventional ways : testing the installations rather than designing them. You will apply your knowledge while working on significant and complex projects, work alongside professionals known for advanced engineering solutions, observe how a successful engineering firm operates, establish ties that could solidify your professional future, and learn within a friendly, supportive environment.

Expertise of our most successful Commissioning Engineer Intern :

• Enrollment in Mechanical or Architectural Engineering program from ABET accredited school.
• Completed 3 years of coursework or have a junior standing.
• Minimum GPA of 2.5.
• Leadership involvement in extracurricular activities / student organizations.

Effective skills to help you flourish :

When you work here, you can expect :

Estimated Starting Hourly Range : $25 - $28

If this dynamic environment and the chance to contribute to transformative projects resonate with your ambitions, we would love to connect with you. Join us and make an impact!

Apply online at

If you know someone who would thrive in this role, please share this posting with them directly via email or through your LinkedIn network.

AEI is proud to be an EEO / AA Employer / Vet / Disabled.