Building Mechanical Engineering Intern - Summer 2027 (FED/STL)

Industry

Cities & Places

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Your impact

We are searching for a Mechanical Engineering Intern to join our Federal Buildings team in St. Louis, MO. If you are a Mechanical Engineering major with an interest in mechanical building systems this may be the perfect opportunity for you!

As an intern with our team you can expect to design everything from new, multi-building complexes to intricate historic structure renovations! Although your focus will be on HVAC, and building mechanical systems you will be part of a highly dynamic and multi-

discplinary team of engineers, architects, and designers, 

We’ll rely on you to support our teams on critical projects while fostering a culture of continuous learning and inclusion. You’ll work alongside professional engineers and designers, gaining exposure to project coordination, relevant computer-assisted engineering software, data collection and more. With mentorship and guidance from our Professional Engineers and technical experts, we will count on you to assist in the performance of analysis and design for our projects. 

Our North American Internship Program will allow you to engage with interdisciplinary counterparts and senior leadership across all business units and geographies– giving you a chance to network, explore the company, and learn more about our dynamic industry. To be successful in this position you will need strong communication and interpersonal skills as you work closely with your Mechanical Lead, Project Managers, Professional Engineers, and Designers across different disciplines. You should possess an attitude of taking independent initiative, an eagerness to learn, enjoy creative problem-solving, and an ability to reliably work independently while also remaining dedicated to teamwork.

Pave the way for your career with a company that inspires and empowers you to deliver your best work so you can evolve, grow and succeed - today and into tomorrow. 

Here's what you'll need

• US Citizenship is required
• Currently enrolled in a degree-seeking program for Mechanical or Archtectural Engineering or another closely related field 
• Completion of at least 2 years of collegiate coursework
• Interest in designing building mechanical systems, including HVAC and piping utilities, for buildings and facilities. 
• Familiarity with Revit or other 3D software

Ideally, you’ll also have: 

• Previous internship experience with a design/consulting firm or government agency
• Working knowledge of Revit or other 3D software

Posted Salary Range: Minimum

48,000.00

Posted Salary Range: Upper

60,000.00

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. Job posted on September 09, 2026. This position will be open for at least 3 days.

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support .

Locations

City State Country
St. Louis	Missouri	United States