Plumbing Engineer Intern Fall 2025

Join our dynamic team for a hands-on engineering co-op, with multiple rotations and potential full-time opportunities post-graduation.

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.

(Full-time, In-office) Position will begin in October and go through the Fall term. 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.

CMTA is seeking a Plumbing Engineer Intern to gain hands-on experience with our design and engineering teams! This internship offers exposure to real-world engineering projects and the opportunity to collaborate with dynamic groups within CMTA.

Responsibilities

Assist engineers in developing plumbing design concepts
Analyze drawings, specifications, and project documents to support plumbing system layouts and design decisions.
Support engineers with calculations, modeling, and coordination of plumbing systems for new construction and renovation projects.
Assist with code compliance research and documentation.
Participate in site visits, job walks, and project meetings.
Gain project management exposure through collaboration with design teams.

Requirements

Pursuing a Bachelor’s degree in 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 in a team setting.
Ability to work full-time in the Lafayette, CA office throughout the co-op term.
Ability to travel locally for job site inspections, field work, etc.

Critical Competencies

Organized: Ability to manage multiple priorities, meet deadlines, and maintain attention to detail.
Problem-Solving: Comfortable asking questions, analyzing information, and contributing to practical solutions.
Agile: Adaptable, collaborative, and eager to learn in a team setting.
Communication: Strong written and verbal skills, with the ability to listen actively and work effectively with others.
Teamwork: Willingness to coordinate and adjust actions to align with project goals.

Note: This internship is an in-office position. Sponsorship is not available.

#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.
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