Internship (Summer 2027) MSI

Mechanical Solutions Inc.; Earth City (MO); On-site; USD 21,000 - 30,000; Full time

Benefits offered by this job

In-office gym

Personal training sessions

Yoga classes

Massage therapy

Game room

Job summary

Mechanical Solutions, Inc. is seeking a Summer 2027 internship in St. Louis, MO. As an Intern you will shadow Project Engineers, Project Managers, Estimators, and Safety Professionals, contributing to projects from concept to closeout with on-site exposure and safety training.

You will gain hands-on experience, collaborate on schedules and budgets, and support project documentation. Travel nationwide may be required; prior internship or design-build exposure is a plus.

Qualifications

• Must be currently enrolled in an undergraduate program at an accredited university (college course load required).
• Foundational understanding of construction principles and practices.
• Creative, results-driven, and able to work with a sense of urgency.
• Prior internship or project engineering experience on projects valued at $5 million or more (design-build experience preferred).

Responsibilities

• Cultivate relationships with clients and subcontractors to support project success.
• Collaborate with engineers and planners to develop and maintain project schedules.
• Support creation of accurate project forecasts and budgets.
• Oversee cost management, change orders, RFIs, and other project documentation.
• Take ownership of project execution and delivery.
• Contribute to preconstruction planning, quality assurance, and safety initiatives.
• Assist senior project managers in overseeing construction activities.

Skills

Problem-solving

Team collaboration

Self-motivation

Education

Undergraduate student

Job description

Internship (Summer 2027)

Mechanical Solutions (MSI)

Full Time

St. Louis, Mo

About Us:

Mechanical Solutions, Inc. is the largest minority owned design-build mechanical contractor within the state of Missouri. We specialize in value added engineering and design-build projects, our goal is always to build the most efficient systems for the best value possible. MSI is extremely competitive in the design-build market locally, regionally, and nationally.

Our portfolio of projects includes new construction, renovations, and remodeling ranging from small office renovations/retrofits, condominiums, restaurants, retail, multi-story commercial offices, higher education facilities, warehouses, laboratories and health-care facilities. We have continually proven our ability and desire to provide the best service for our clients possible. By providing the majority of mechanical requirements in-house, including engineering, estimating, 3D-design/BIM coordination, sheet metal, HVAC, refrigeration, and controls, we are a

“ONE-STOP” shop for any project.

The Role:

As an Intern you will have the opportunity to shadow experienced Project Engineers, Project Managers, Estimators, and Safety Professionals. In this role you will be part of the team responsible for taking projects from the conceptual stages through the closeout of a project. You will experience active job site visits, hands on work experience, and valuable safety training.

Responsibilities:

• Cultivate strong relationships with clients and subcontractors to support project success
• Collaborate with engineers and planners to develop and maintain project schedules
• Support the creation of accurate project forecasts and budgets
• Oversee cost management, change orders, RFIs, and other project documentation
• Take ownership of project execution and delivery
• Contribute to preconstruction planning, quality assurance, and safety initiatives
• Assist senior project managers in overseeing construction activities
• You will have leadership and guidance to support project teams throughout all phases

Qualifications:

• Must be currently enrolled in anundergraduate program at an accredited university
• Foundational understanding of construction principles and practices
• Strong problem-solving abilities with a flexible, collaborative approach to working with diverse teams
• Experience with subcontracts, subcontractors, or self-perform work is a plus
• Creative, results-driven, and able to work with a sense of urgency
• Prior internship or project engineering experience on projects valued at $5 million or more (design-build experience preferred)
• Committed to upholding and promoting a Safety-First culture
• Self-motivated and entrepreneurial, with the ability to work independently and as part of a team
• Physically capable of navigating active construction sites, including walking, climbing ladders, and accessing multi-floor scaffolding
• Fast-paced work environment—appropriate job site footwear and attire required
• Projects are located nationwide; travel may be required

Why Mechanical Solutions:

Mechanical Solutions is committed to an inclusive and safe work environment that makes people feel connected and reach their full potential. We work with people that are committed to a diverse and welcoming environment that all can feel connected and see themselves represented at every level of our Company. We strive to be Leaders in the communities that we do business. We are one of the fastest growing construction firms in the nation, and continue to grow year after year. If You are set to take your career to the next level…

Come join the Mechanical Solutions TEAM!

Career Growth

• Take on challenging design/build projects in commercial and industrial construction.
• Opportunities for advancement through mentorship and hands-on learning.

Comprehensive Benefits

• Health, dental, and vision coverage
• 401(k) match
• Life insurance
• Additional benefits for employees and their families

Headquarters Perks

• In-office gym
• Personal training sessions
• Yoga classes
• Massage therapist
• Game room

Company Culture

• Collaborative, innovative, and people-centered
• Strong focus on safety, work-life balance, and professional development
• Team activities and wellness programs supporting both physical and mental health

Compensation: This is a PAID Internship

Mechanical Solutions, Inc. is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer and it is our policy to provide equal opportunity to all people without regard to race, color, religion, national origin, ancestry, marital status, veteran status, age, disability, pregnancy, genetic information, citizenship status, sex, sexual orientation, gender identity or any other legally protected category.Mechanical Solutions, Inc. is a background screening, drug-free workplace. Both of these requirements will be partial determination of final result in hiring. Mechanical Solutions, Inc. does not accept unsolicited resumes from search firms or agencies. Any resume submitted to any employee of Mechanical Solutions, Inc. without a prior written search agreement will be considered unsolicited and the property of Mechanical Solutions, Inc.

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.