Mechanical Engineer Intern Summer 2026

Join a top U.S. engineering firm specializing in sustainable, high-performance projects. Focus on innovative building systems design with a driven, data-oriented team.

CMTA, a Legence company
CMTA is one of the fastest growing engineering firms in the U.S., with nationally recognized expertise in sustainable, high-performance building engineering. We are a collaborative, innovative, and energetic team that leverages a data-driven, holistic approach to consulting engineering, performance contracting, and zero energy projects. We focus on finding engineers whose skills and personalities drive them to excel, fostering a workplace that provides unparalleled growth and career opportunities.

CMTA is a mechanical, electrical, and civil engineering consulting firm, specializing in building system design, services, and innovative solutions. At CMTA we care about people. We care about the success and wellbeing of our employees, clients, and communities. This translates into an unparalleled work environment and a superior client experience that thrives on integrity, quality, collaboration, and smart innovation. Through our culture shaped by our values, our mission of positively impacting people through innovative facility solutions will be possible.

Job Summary:

This position will assist the Mechanical Engineers in day-to-day activities in mechanical design and project development. The Mechanical Engineer Intern will gain hands-on experience and mentorship from a Mechanical Engineer in mechanical system design, client meetings, equipment selection, construction observation, and other mechanical engineering responsibilities. They will collaborate with mechanical team members to ensure projects move forward smoothly and are completed on-time. The Mechanical Engineer Intern will gain knowledge of load calculations, how to develop and maintain a balance and schedule between all projects and deadlines and effective communication.

Essential Duties and Responsibilities:

Correctly complete load calculations and select equipment for specific projects.
Occasionally required presence onsite and attendance at construction meetings to observe and report technical findings.
Professionally interact with mechanical team, other disciplines, and clients as needed.
Efficiently develop and maintain a balance and schedule between all projects and deadlines.
Seek mentorship and support to guarantee a successful design and project completion.
Other duties and responsibilities as assigned.

Qualifications:

Currently pursuing a degree in Mechanical Engineering or related field.
Junior or Senior status preferred.
Proven ability to work successfully on a team and listen carefully.
Desire to produce quality work and grow professionally in the engineering field.
Strong written and verbal communication skills.
Proficiency in the use of Microsoft Office products.
Proven ability to maintain excellent integrity and ethical standards within role.

No sponsorship available for this position.

#LI-AC1 #LI-Onsite

About Legence
Legence (Nasdaq: LGN) is a leading provider of engineering, consulting, installation, and maintenance services for mission-critical systems in buildings. The company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems—enhancing energy efficiency, reliability, and sustainability in new and existing facilities. Legence also delivers long-term performance through strategic upgrades and holistic solutions. Serving some of the world’s most technically demanding sectors, Legence counts over 60% of the Nasdaq-100 Index among its clients.

Benefits Overview
Financial Benefits: 401(k) retirement savings plan
Time Off Benefits: Paid sick leave

Reasonable Accommodations

If you need assistance or accommodations during the application or interview process, please contact us at ta@wearelegence.com or your dedicated recruiter with the job title and requisition number.

Third-Party Recruiting Disclaimer
Legence and its affiliates do not accept unsolicited resumes from agencies; any such submissions without a prior signed agreement authorized by Legence Holdings LLC's CHRO or Director of Talent Acquisition will not incur fees and are considered property of Legence.

Pay Disclosure & Considerations
Where pay ranges are indicated, please note that a successful candidate’s exact pay will be determined based relevant job-related factors, including any of the following: candidate’s experience, skills, and qualifications, as well as geographic and market considerations. We are committed to ensuring fair and competitive compensation for all employees and comply with all applicable salary transparency laws.

Equal Employment Opportunity Employer

Legence and its affiliate companies are proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), marital or familial status, national origin, age, disability, genetic information (including family medical history), political affiliation, military service, other non-merit-based factors, and any other characteristic protected under applicable local, state or federal laws and regulations.
EEO is the Law