Mechanical Engineering Internship - Summer 2026 (Multiple Locations)

Description

As a Mechanical Engineer Intern, you will work under the direction of an assigned mentor to develop and implement project deliverables. Mechanical Interns focus on the design and engineering of HVAC, mechanical utility, plumbing, fire protection, and other building support systems into the built work environment. Typical tasks and deliverables include load calculations, utility assessments, energy modeling, design reports, code evaluations, plans, schedules, installation details, specification and coordination with manufacturers and trade partners. Tasks will include utilizing computer aided drafting and engineering software.

• Coordinating with multiple disciplines and other internal and external team members (e.g., vendors, clients, and contractors).
• Assisting with development of conceptual designs and coordinating with the design team under direction of the project team lead.
• Developing project documents (e.g., calculations, reports, construction drawings and specifications, etc.) for clients in coordination with regulatory bodies and industry standards.

Requirements

• Prior internship or co-op experience in Mechanical Engineering or related field
• Strong communication and collaboration skills, with the ability to work effectively across disciplines and with internal and external stakeholders (vendors, clients, contractors)
• Currently pursuing a Bachelor's or Master's degree in Mechanical Engineering or Architectural Engineering from an accredited program
• Working towards Fundamental of Engineering Exam registration or completion preferred
• Willingness to relocate or work in one of CRB’s internship locations, which may include:Kansas City (MO), Raleigh (NC), Orange County (CA), Philadelphia (PA), St. Louis (MO), Boston (MA), San Diego (CA), Kalamazoo (MI), Denver (CO), and/or Rockville (MD)
• Familiarity with AutoCAD, Revit, and 3D collaboration tools (Navisworks, BIM360 Suite, Assemble)
• Familiarity with industry-specific regulations and standards within the AEC industry
• Excellent problem-solving skills with the ability to analyze complex data and develop actionable insights
• Eagerness to learn about the AEC industry and apply academic knowledge to real-world engineering applications
• Experience with HVAC systems strongly preferred
• Available to work full-time during the internship period: May–August 2026
• Proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint, OneNote)

Benefits

CRB offers a complete and competitive benefit package designed to meet individual and family needs.

We are actively seeking a Mechanical Engineer Intern to join CRB. Join our firm for an internship journey where you’ll dive into real-world project work, learn from industry leaders and fully immerse yourself in the CRB employee experience. This program is more than just an internship—it's an opportunity to grow, innovate, and make a tangible impact on how we do business. You’ll have the chance to work hands-on with cutting-edge projects, collaborate with peers and industry leaders, and contribute your unique perspective to spark meaningful change.

Training + Development

Interview process

Visa Sponsorship

Security clearance