Mechanical Engineering Intern | Freeport, ME

Big-firm resources, local-team relationships, ONE IMEG culture

100% Employee-Owned

This posting is for Summer 2027 Internship opportunities.

IMEG is hiring a Mechanical Engineering Intern in Freeport, ME to work with experienced engineers and consultants on engineering analysis, design, and implementation oversight of mechanical systems for the vertical building industry. This internship provides hands-on experience over 10-12 weeks.

You will assist with project design, documentation, coordination, and job site observations while working within project budgets and collaborating with cross-functional teams. The team supports commercial, industrial, and institutional markets.

Location: Freeport, ME

Discipline: Mechanical

Markets: Commercial; industrial; education

Ownership: 100% employee-owned (ESOP)

Work Schedule: Full-time in office, 10-12 week summer program

Program Length: 10-12 weeks

Sponsorship: Not available

• Assist with design portions of mechanical-system projects according to code and IMEG standards.
• Assist with researching commercially available equipment resources.
• Assist with client relations, project design notebooks, and documentation for permanent record files.
• Assist with coordinating design and schedules with architectural, structural, electrical, mechanical, technology, clerical, and equipment-supplier disciplines.
• Assist with documenting design decisions, meetings, and client instructions while monitoring project design progress.
• Assist with reviewing project documents for accuracy and completeness before requesting a final check.
• Assist with preparing and issuing addendum information.
• Conduct periodic job site observations and other services required by the contract services agreement.

• Completed at least 2 years towards a Bachelor of Science (BS) Degree in Mechanical Engineering, or equivalent required

• Strong interest in design consulting
• Proficient with MS Office Suite including, but not limited to, Word, Excel, and Outlook
• Skilled in AutoCAD and/or Building Information Modeling (BIM) software
• Ability to clearly communicate in both oral and written communication to individuals or groups

• Prior internship experience in the building design consulting industry preferred

• HVAC and mechanical systems that enhance performance and advance sustainability
• Multiple international ASHRAE Technology Awards for energy-efficient design
• Specialties include geothermal, chilled beams, central plants, and energy recovery
• Lifecycle analysis and rapid energy modeling for high-performance outcomes
• Projects across high-rise, healthcare, and industrial facilities

We put people at the center of who we are, creating positive outcomes for people, communities, and our planet.

• A paid internship with real, hands-on project work, not busywork
• A structured program with an assigned mentor and a cohort of fellow interns
• A clear path to full-time: many interns and co-ops convert to full-time roles at IMEG
• IDEA Program: a firm-wide innovation accelerator where employees across every discipline develop and scale new tools, from VR and AI to carbon-reduction technology
• Real impact from day one: at IMEG, an intern once became our Virtual Reality leader
• Exposure across disciplines and offices at a 100+ office, employee-owned firm
• MEG, our in-house AI platform, helps employees find information and build agents that streamline project workflows and calculations

State of Maine Pay Range: $22.00-$24.00 per hour

The range listed above represents the base pay IMEG reasonably and in good faith expects to pay for this position in the work location identified above at the time of posting. For positions available in multiple locations,…