Top 17 engineering intern Jobs in st. louis, mo

Internship - Mechanical Engineer
Elessent Clean Technologies. —St. Louis, MO
- Microsoft Excel
- Microsoft Outlook
- Computer literacy
Civil Engineering Intern
Wilson & Company, Inc., Engineers & Architects —St. Louis, MO
- $19 - $22 an hour
- Part-time
- Civil engineering
- Microsoft Excel
- Microsoft Outlook
- Disability insurance
- Health insurance
Quick Apply
Mechanical Intern
Solutions AEC LLC —St. Louis, MO
- $18 - $20 an hour
- System design
- Budgeting
- Internship
Quick Apply
Intern – Maintenance of Way Engineering
Bi-State Development Agency —St. Louis, MO
- $20 an hour
- Construction site
- Word processing
- Bachelor of Science
Electrical Intern
Solutions AEC LLC —St. Louis, MO
- $18 - $20 an hour
- Monday to Friday
- System design
- Research
- Analysis skills
Quick Apply
Network, Security, and Information Engineer Associate Intern
MALISKO ENGINEERING —St. Louis, MO
- Temporary
- Writing skills
- English
- Office
- Profit sharing
- Health insurance
Intern - IT/RPA Automation
BJC HealthCare —St. Louis, MO
- Part-time
- Children
- IT
- Public Health
- Disability insurance
- Health insurance
Software Engineering Intern (Time-Limited/Remote) - WashU IT
Washington University in St Louis —St. Louis, MO
- Online Application
- Remote
- Pass drug screening
- JavaScript
- No degree
Intern - Web Development
BJC HealthCare —St. Louis, MO
- Part-time
- JavaScript
- Children
- Public Health
- Disability insurance
- Health insurance
Intern – Design Engineering
Hussmann Corporation —Bridgeton, MO
- Part-time
- Computer literacy
- Analysis skills
- Computer skills
HPC Engineering Intern (Hybrid) - WashU IT
Washington University in St Louis —St. Louis, MO
- Online Application
- Writing skills
- Pass drug screening
- Office
Engineering Intern
West Star Aviation —East Alton, IL
- $18 - $20 an hour
- Overtime
- English
- Office
- High school diploma or GED
- Health savings account
- Paid holidays
Strategic Student Program: AI Software Engineer Intern (Fall 2026; EBS)
Siemens —Maryland Heights, MO
- Temporary
- Hybrid work
- Computer Science
- Java
- Analysis skills
- Paid time off
- Paid sick time
3d
Transmission Planning Engineer Internship
LS Power Development, LLC —St. Louis, MO
- Full-time
- Office
- Analysis skills
- Electrical Engineering
Kids STEM Instructor: Afterschool, Weekend, & Summer Camp + Internship
Code Ninjas of O'Fallon —Shiloh, IL
- $15 - $17 an hour
- Part-time
- Background check
- Classroom
- CPR Certification
- Employee discount
- Opportunities for advancement
Quick Apply
Mechanical Engineering Intern
Cerro Flow Products LLC —Sauget, IL
- $33,280 - $49,920 a year
- Email
- Quality control
- 1 year
- Entry level
- Health insurance
- Dental insurance
Quick Apply

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Civil Engineering Intern
Wilson & Company, Inc., Engineers & Architects —St. Louis, MO
Civil engineering student with an interest in a civil-works career, such as highway engineering, municipal roadway engineering, and drainage engineering.
$19 - $22 an hour
Quick Apply
Associate Consultant, Geotechnical Engineering
Ramboll —St. Louis, MO
You may also work on projects in other Ramboll practice areas, such as coal combustion residual (CCR) engineering, contaminated site remediation design, dam…
$57,952 - $72,440 a year
Quick Apply

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Engineering Student Intern - OH
E.L. Robinson Engineering —Grandview Heights, OH
Assist in the collection and analysis of data obtained from field investigations by creating maps, reports, drawings and/or other documentation to present to…
Software Engineer Intern
Ensemble RCM LLC —Columbus, OH
Each associate will earn a professional certification relevant to their field and can obtain tuition reimbursement. NET, React, and Agile methodologies.
$25 an hour
Quick Apply

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engineering intern jobs near st. louis, mo

Internship - Mechanical Engineer

Elessent Clean Technologies.
St. Louis, MO

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Job Details

Internship

Qualifications

Research

Full Job Description

Elessent Clean Technologies is a global leader in process technologies to drive sustainability and carbon neutrality in the metal, fertilizer, chemical, and oil refining industries with an unwavering commitment to customer support. We provide extensive global expertise across our portfolio of offerings in key applications – MECS® sulfuric acid production, STRATCO® alkylation, BELCO® wet scrubbing, and IsoTherming® hydroprocessing. Offering critical process equipment, products, technology, and services, we enable an array of industrial markets, including phosphate fertilizer, non-ferrous metals, oil refining, petrochemicals, and chemicals, to minimize their environmental impact and optimize productivity. We are dedicated to helping our customers produce high-quality products used in everyday life in the safest, most environmentally sound way possible, with a vision to make the world a better place by creating clean alternatives to traditional industrial processes.
An Intern will work collaboratively with our teams to provide support and assistance with requests in support of the business strategy.

Assist with tasks that may include filing, scanning, data entry, documentation, and PowerPoint presentations.
Assist with responses to general questions.
Participate in continuous improvement efforts by collecting and analyzing data.
Present solutions to concerns.
Research solutions to project concerns; analyze and recommend solutions to problems.
Assist with ad hoc projects as assigned by managers.
All other duties as assigned.

Qualifications

Pursuit of a Bachelor's or Master's Degree in Mechanical Engineering or a related degree from an ABET-accredited program.
Currently enrolled, and in good standing, in a post-secondary education and/or technical certificate program in a field related to the work done in the department.
A minimum of a 3.0 GPA is strongly preferred.
Prior internship and/or related consulting experience preferred.
Actively involved in campus, community, or other volunteer activities or organizations.
Excellent verbal and written communication skills.
Strong problem-solving and analytical skills.
Basic knowledge and experience in Microsoft Office programs, including Word, Excel, PowerPoint, and Outlook.
Demonstrated leadership skills.
Self-motivated and eager learner, with an aptitude to grow and develop within the field.
Candidates must be legally authorized to work in the United States on a full-time basis without requiring future sponsorship for employment visa status.

Apply Now

Refine Your Search

engineering intern jobs in st. louis, mo

Internship - Mechanical Engineer

Civil Engineering Intern

Mechanical Intern

Intern – Maintenance of Way Engineering

Electrical Intern

Network, Security, and Information Engineer Associate Intern

Intern - IT/RPA Automation

Software Engineering Intern (Time-Limited/Remote) - WashU IT

Intern - Web Development

Intern – Design Engineering

HPC Engineering Intern (Hybrid) - WashU IT

Engineering Intern

Strategic Student Program: AI Software Engineer Intern (Fall 2026; EBS)

Transmission Planning Engineer Internship

Kids STEM Instructor: Afterschool, Weekend, & Summer Camp + Internship

Mechanical Engineering Intern

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