10-Week Program
Our Summer 2026 Cohort will begin in June and work through August, providing 10 weeks of hands-on learning.
Recruiting
2026 Internship Program
At Mark Thomas, we plan, design, and deliver infrastructure that connects communities and improves lives. As a Mark Thomas intern, you will work alongside passionate and skilled professionals, gaining practical project experience, and contributing to infrastructure solutions that make a lasting impact in the communities we serve.
Learn and grow with us!
Mark Thomas’ Summer 2026 Internship Program offers a 10-week, hands-on experience where students immediately apply classroom knowledge to real infrastructure projects, helping improve our communities and gaining invaluable real-world experience.
2026 Program Elements
Professional Development
Our intern program includes professional development opportunities such as live trainings, leadership panels, and valuable career insights.
Meaningful Work
You will directly contribute to real infrastructure solutions in a collaborative environment, with guidance from experienced professionals.
Field Experience
The program includes field visits to project sites, providing additional real-world insight to inform design decisions.
Social & Networking Events
You will be integrated into our team-based culture, which includes on- and off-site social events. We also hold an annual Intern Summit to deepen connections with your cohort.
Mentorship & Connection
The relationships you build locally, regionally, and virtually with experienced professionals will carry forward through your college and professional career.
Join Us
Apply Now!
Submit your application now to be considered for our 2026 summer intern cohort. Applications open on December 1, 2025 and interviews begin February 2026.