Top 7 Mechanical engineering intern Jobs in St. Louis Mo

Mechanical Intern
Solutions AEC LLC —St. Louis, MO
- $18 - $20 an hour
- System design
- Budgeting
- Internship
Quick Apply
Mechanical Engineer Co-op/Intern
Nidec Motor Corporation —St. Louis, MO
- Part-time
- Microsoft Excel
- Electrical Engineering
- Communication skills
Electrical Intern
Solutions AEC LLC —St. Louis, MO
- $18 - $20 an hour
- Monday to Friday
- System design
- Research
- Analysis skills
Quick Apply
Management Associate - Mechanical Maintenance
United States Steel Corporation —Granite City, IL
- $75,000 - $80,000 a year
- Weekends as needed
- Writing skills
- 3 years
- Continuous improvement
Substation Design Engineer-Physical Design
Utilitra —Chesterfield, MO
- $115,000 - $140,000 a year
- Full-time
- Management
- Ability to walk for extended periods
- 5 years
- Paid parental leave
- Paid holidays
Quick Apply
Management Associate - IT/Computer Science
United States Steel Corporation —Granite City, IL
- $75,000 - $80,000 a year
- Computer Science
- Writing skills
- Windows
Lead Mechanical Engineer
MISSOURI COBALT, LLC —Clayton, MO
- Full-time
- 7 years
- Office
- Master's degree
Quick Apply

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Mechanical Engineer
ECCO Safety Group —St. Louis, MO
This person will be tasked to investigate, develop, and implement new technologies, tools and processes, and must solve problems through original thinking and…
$65,000 - $75,000 a year
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8d
Mechanical Engineer II
ECCO Safety Group —St. Louis, MO
This person will be tasked to investigate, develop, and implement new technologies, tools and processes, and must solve problems through original thinking and…
$80,000 - $90,000 a year
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Mechanical Engineer Intern/Co-op Fall 2026
Legence —Dublin, OH
Our engineers will teach you how we design and implement mechanical systems/infrastructure and implement energy efficient measures in our building projects.
Quick Apply
Mechanical Engineer Intern/Co-op Fall 2026
CMTA —Dublin, OH
Our engineers will teach you how we design and implement mechanical systems/infrastructure and implement energy efficient measures in our building projects.
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mechanical engineering intern jobs near st. louis mo

Mechanical Intern

Solutions AEC LLC -
St. Louis, MO

Quick Apply

Job Details

Internship
$18 - $20 an hour

Qualifications

HVAC system design and layout
Content creation for technical audiences
3D modeling software
Technical documentation
Mechanical Engineering
System design
Project timeline management
Field surveys
Revit
Schedule management
Design engineering
Mechanical drafting
Budgeting
3D modeling
Design of mechanical systems
Technical writing experience within technology
Building information modeling (BIM) tools
Field data collection
3D modeling for architectural design
Communication skills
Mechanical knowledge
Plumbing detailing technique
Entry level

Full Job Description

About Us:

At Solutions AEC, we’re a leading design-build engineering firm specializing in innovative, sustainable, and high-quality solutions across a wide range of Mechanical, Electrical, and Plumbing (MEP) building systems. Our core values—Get Better Every Day, Have Fun, Thoughtful Stewards, Serve One Another, and Do What It Takes—guide how we approach every project and relationship. With a focus on advancing our virtual design, construction capabilities, and AI implementation, SAEC offers an exciting environment for those passionate about engineering.

What You'll Do:

As a Mechanical Engineering Intern at SAEC, you’ll be an integral part of our dynamic engineering team. You'll gain hands-on experience, contributing to real-world projects and working alongside experts in the field of mechanical systems design.

Your responsibilities will include:

Assisting with the design and layout of mechanical systems (HVAC, plumbing, etc.) for commercial and industrial buildings
Collaborating with multidisciplinary teams, including electrical and plumbing engineers
Utilizing cutting-edge software (Revit and others) for 3D modeling and system design
Participating in site visits and helping with field data collection
Assisting with the creation of reports, specifications, and system documentation
Supporting the project team in maintaining project schedules and budgets

What You'll Learn:

MEP System Understanding: Gain knowledge of Mechanical, Electrical, and Plumbing systems in building design.
Design Software Proficiency: Develop skills in tools like Revit for 3D modeling and drafting.
Practical Application: Apply mechanical engineering principles to real-world projects, including design and troubleshooting.
Collaboration Skills: Work with multidisciplinary teams to integrate mechanical systems with other building components.
Sustainability Focus: Learn about energy-efficient and sustainable design practices.
Project Management Exposure: Understand project timelines, budgeting, and client interaction.
Field Experience: Participate in site visits and gain hands-on data collection and fieldwork experience.
Technical Writing: Improve skills in preparing reports, specifications, and documentation.
Advanced Technology: Explore virtual design and AI tools used in engineering projects.

What We're Looking For:

Currently pursuing a degree in Mechanical Engineering
Basic knowledge of mechanical systems and building designs
Familiarity with Revit or similar software (preferred but not required)
Solid communication and teamwork skills
Strong problem-solving abilities and eagerness to learn
Attention to detail and the ability to manage multiple tasks effectively
A passion for innovation and sustainability in building systems

Why SAEC?

Opportunity to work on diverse and impactful projects
Collaborative and inclusive culture that values your contributions
Exposure to advanced technology, including AI and virtual design tools
Mentorship from industry-leading professionals
Potential for future full-time employment after graduation

This internship offers a well-rounded experience combining technical skills, teamwork, sustainability, and exposure to cutting-edge technologies. Join Solutions AEC and take the next step in your engineering career with a company dedicated to pushing the limits of innovation and sustainability!

Working Hours are between 8 AM - 5 PM
Summer Internships: 32 - 40 hours per week
Fall/Spring Internships 16-24 hours per week, working with course schedules

Quick Apply

Refine Your Search

mechanical engineering intern jobs in st. louis mo

Mechanical Intern

Mechanical Engineer Co-op/Intern

Electrical Intern

Management Associate - Mechanical Maintenance

Substation Design Engineer-Physical Design

Management Associate - IT/Computer Science

Lead Mechanical Engineer

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