Mechanical Engineer Intern/Co-op Spring 2026

Full-time, onsite engineering position in Lafayette, CA starting Jan 2026. Focuses on sustainable, high-performance projects with growth opportunities.

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.

This position is full-time, onsite position in Lafayette, CA with a competitive hourly pay rate. This position will start January 2026 and go through Spring. Dates are flexible with school calendar. Our hope is that the co-op students that are hired will do multiple co-op rotations with CMTA with possible consideration for full time employment upon graduation.

Job Description:
This position provides a unique opportunity for hands-on training in mechanical/HVAC/Energy design.  The ideal candidate will possess excellent interpersonal skills and be able to work well with a team, and independently. Our engineers will teach the student co-op how we design and implement mechanical systems/infrastructure and implement energy efficient measures in our building projects. This is a great opportunity to work on some of the most challenging and complex MEP projects, and become an important part of our design team.

Job Functions: (may include but are not limited to)

Produce detailed layout and equipment details of HVAC systems,
Produce one-line diagrams/schematics,
Assist the design team in the process of assembling organized sets of drawings,
May assist in the data collection and/or field verification, and
Work in conjunction with designers and engineers to help develop all aspects of a project.

Requirements:

Pursuing a Bachelor of Mechanical Engineering or Architectural Engineering, preferably a sophomore (2nd year), or junior (3rd year),
Strong interest in Building Systems Mechanical Engineering,
AutoCAD and REVIT experience preferred,
Strong interpersonal and communication skills,
Proficiency with Microsoft Word and Excel,
Ability to work both independently and with a team,
Ability to work full time in Lafayette, CA office throughout the co-op term,
Ability to travel locally for job site inspections, field work, etc.

We are unable to provide immigration sponsorship for this position.

#LI-JS1 #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
Health & Welfare: Company Paid medical, dental, vision, prescription drug, accident & sickness benefit, basic group life and AD&D, and Employee Assistance Program
Time Off Benefits: Paid vacation, company-paid holidays, and paid sick leave
Financial Benefits: 401(k) retirement savings plan

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