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About Us

At ENFRA, we blend a rich history with a forward-looking vision. With over 100 years of experience, we are a pillar of stability in the energy infrastructure industry and a leader in innovative energy solutions. Our commitment to leveraging emerging technologies ensures that we remain at the forefront of the Energy-as-a-Service sector.

We believe in growth—not just for our business, but for our people. Our team members have the opportunity to advance their careers in a supportive environment that values continuous learning and development. We embrace innovation and encourage creative problem solving to tackle the energy infrastructure and energy challenges of tomorrow.

Inclusion is at the heart of our culture. We strive to create a workplace where every voice is heard and valued, fostering a collaborative environment where diverse perspectives drive our success.

Join us to be part of a legacy of excellence and a future of groundbreaking advancements. At ENFRA, stability, innovation, and growth are more than just values—they are the pillars of our continued success.

Overview

The Co-Op Non-Field performs technical activities on assigned projects under supervision of a Licensed Professional Engineer and/or a Mechanical Designer EIT, including participation in technical studies, investigations, and designs on assigned projects. The Co-Op assists in the production of projects that are on-time, within budget and the utmost quality. The Co-Op is a 3 semester commitment. The student shall work a total of 3 semesters while alternating work and school schedules.

Responsibilities

+ Under the supervision of a P.E. and/or E.I.T, performs evaluations and system calculations including load calculations, ventilation schedules, etc., and contributes to the final project client proposal.

+ Conducts site surveys to determine existing facility conditions with a staff/project manager.

+ Assists in the design team in the coordination with other disciplines.

+ Accompanies staff/project manager in performing project job site visits during construction to monitor progress and ensure conformance to design specifications, owner expectations, and building codes.

+ Assist in preparing punch lists and project observation reports to note findings.

Qualifications

Required Education, Experience, and Qualifications

+ Must be a student at an accredited University pursuing a major in engineering.

+ Requires the student to work through the University's Cooperative Education program or similar program if the University has a Co-Op program.

+ Effective verbal and written communication skills.

+ Detail oriented and willing to tackle various ongoing projects in a fast paced environment.

+ Well versed in the industry and the Company's competitors.

+ Excellent multitasking skills, with the ability to perform duties outside of scope of work when necessary.

Preferred Education, Experience, and Qualifications

+ N/A

Travel Requirements

+ 10-15% of time will be spent traveling to job site(s)/office location.

Physical/Work Environment Requirements

+ Prolonged periods of sitting at a desk and working on a computer.

+ Climbing stairs.

+ Remaining in a stationary position, often kneeling, standing or sitting for prolonged periods.

+ Repeating motions that may include the wrists, hands and/or fingers.

+ Quiet environment.

+ Light work that includes adjusting and/or moving objects up to 20 pounds.

ENFRA is proud to be an Equal Opportunity Employer of Minorities, Women, Protected Veterans, and Individuals with Disabilities, and participates in the e-Verify program. All qualified applicants will receive consideration for employment without regard to race, creed, color, religion, sex, age, sexual orientation, gender identity, national origin, veteran status, disability, or any other classification protected by law.

Submit a Referral (https://careers-enfra.icims.com/jobs/8311/mechanical-engineering-co-op-%28jan-aug-2026%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834357758)

**Job Locations** _US-MO-St. Louis_

**ID** _2025-8311_

**Category** _Early Careers_

**Position Type** _Intern_

**Remote** _No_