Mechanical Engineering Intern

Mechanical Engineering Intern
At I.C. Thomasson Associates, Inc, A Salas O’Brien Company we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.

Building for the long-term means that all our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career—and they’ll receive great total rewards along the way.

About Us:

Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow’s requirements are today’s opportunities, and we are here to design lasting solutions for pressing challenges.

We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more. 

Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.

Job Description:
We welcome rising college sophomores, juniors, and seniors to apply for our 2026 summer internship position! Our internship offers a hands-on opportunity to work on real projects under licensed and experienced engineers.

Job Duties:

• Work with licensed engineers to develop skills and knowledge
• Use computer software to perform Mechanical heating/cooling load calculations
• Try to solve engineering problems using education
• Design equipment, ductwork and piping layouts using Revit/BIM to meet project needs
• Work with electrical engineers to coordinate equipment power requirements
• Assist in the preparation or modification of reports, specifications, plans, construction schedules, studies, permits and designs for assigned projects
• Use computer assisted engineering and design software and equipment to prepare engineering and design documents
• Operate engineering software to solve specific problems, and input the data required by the program
• Familiarize self with state-of-the-art design and various state and local regulations
• Other duties as assigned

Qualifications:

• Currently pursuing a bachelor’s or master’s degree in Mechanical Engineering or Mechatronics
• Accepts direction and supervision well
• Proficiency in MS Word, Excel, and Outlook
• ACAD/Revit experience a plus
• Excellent critical thinking and problem-solving skills
• Excellent verbal and written communication

Benefits:

• Gain invaluable industry experience and practical engineering skills.
• Work with a diverse team of professionals, fostering networking opportunities.
• Access to mentorship and guidance from experienced engineers.
• Competitive compensation package.

Location: Nashville, TN

Travel: No

Equal Opportunity Employment Statement

Salas O’Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, colour, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O’Brien will accommodate the disability-related needs of applicants as required by law.

Third-Party Agency Notice
Salas O’Brien does not accept unsolicited resumes from external recruiters or agencies. We only work with approved partners engaged directly by our Talent Acquisition team for specific searches. Unsolicited submissions will not be eligible for placement fees.