Mechanical Engineering Intern; Summer

About You

Are you passionate about the design/build construction process? Do you enjoy working closely with internal and external clients to ensure construction projects start off on the right foot? Do you love value engineering problems away before a project even breaks ground? If the answer is, “Yes!”, we have an opportunity for you. Who are we? We are ARCO, a Family of Construction Companies.

AME Engineering is currently seeking a Mechanical Engineering Intern to join our Mechanical Engineering team based in Downers Grove, IL. You will work side-by-side with project managers and other MEP design engineers to deliver projects. The Mechanical Engineering Intern will assist the team in all MEP-related design, estimating, and coordination functions in support of industrial, life sciences, food & beverage, and/or manufacturing facility projects.

This role will not focus exclusively on design/production work but will require detailed understanding of mechanical system design principles to complete required day-to-day activities.

• Perform design of Mechanical Systems for large scale buildings in the controlled agriculture, industrial, process/manufacturing, and commercial sectors.
• Review construction drawings and specifications for MEP systems from schematic through the construction document phases.
• Assist in the development of construction documents.
• Work with senior engineers to determine project mechanical systems/requirements to meet their specific project needs and comply with safety codes.
• Review shop drawings for compliance of specifications and contract documents.
• Perform energy models for permit and for master energy studies.
• Interface effectively with members of the project team both internally and externally.

Minimum Qualifications:

• Minimum GPA of 3.0 out of 4.0
• Currently enrolled in a Bachelor’s or Master’s of Mechanical Engineering program or related field of study
• Prior industry internship experience is a plus
• Extracurricular involvement is a plus

We are dedicated to the well-being of our associates and are proud to be consistently recognized as a Best Place to Work.

• Competitive hourly rate (with overtime possible)
• One-on-one mentorship
• Structured training program
• Opportunity to travel
• Opportunity for term-end discretionary bonus
• Housing assistance provided for non-local interns
• A $5,000 bonus should you join AME fulltime after graduation

We are proud to be one of the fastest-growing, privately-owned companies in America, celebrating over 30 years of experience as design-build experts. We have completed over 7,500 design-build projects nationwide. We ranked #9 on ENR’s Design-Build Firms list and #34 on ENR's Top 400 Contractors list of 2026. Most importantly, our clients like us, trust us, and want to do business with us.

We are looking for people with the same enthusiasm, passion, and respect for the hard work that brought us to where we are today. Are you a person who can make a difference at ARCO? If the answer is “Yes!” we look forward to meeting you.

EOE, including disability/vets