Intern Jobs in Milton, ON

Are you an ambitious student eager to gain real-world experience in your field of study? At ROCKWOOL, we’re passionate about empowering the next generation of talent through hands-on learning opportunities that make an impact.

We’re excited to announce multiple upcoming opportunities for 2026 across North America! Whether you’re fascinated by how we transform volcanic rock into sustainable products or ready to launch your career with a global leader, ROCKWOOL has opportunities tailored for you.

Why Join Us?

• Real Projects, Real Impact: Contribute to meaningful work in a cutting-edge industry.

• Expert Mentorship: Learn from seasoned professionals who support your growth.

• Professional Connections: Build a network with industry leaders and like-minded peers.

• Innovative Solutions: Play a role in advancing sustainability in the building materials industry.

Who We’re Looking For

Students who are:

• Enrolled in an accredited program.

• Motivated to thrive in a dynamic, fast-paced environment.

• Collaborative, innovative, and solutions driven.

Available Positions & Locations:

Milton, Ontario – 16-Month Co-op (May 2026 Start):

• Maintenance

• Project Management

• Manufacturing Operations

• Quality

Milton, Ontario – 4-Month Summer Internship/ Co-op (May 2026 Start):

• Marketing

• Inside Sales

• Product Management

• Supply Chain (Planning, Customer Service and Logistics)

Grand Forks, British Columbia – 12 or 16 Month Co-op (May 2026 Start):

• Manufacturing Operations

Ranson, West Virginia – 4-Month Summer Internship (May 2026 Start):

• Engineering

Byhalia, Mississippi - 4-Month Summer Internship (May 2026 Start):

• Maintenance

• Manufacturing Operations

Why ROCKWOOL?

At ROCKWOOL, we’re more than just a workplace—we’re a community. With over 12,000 employees across 51 manufacturing facilities in 40+ countries, we’re on a mission to release the natural power of stone to enrich modern living. Sustainability is at the heart of everything we do, and our co-op and intern students are an essential part of that journey.

Take the first step toward a meaningful career and join us in sharing a more sustainable future.

ROCKWOOL is proud to be an Equal Opportunity Employer. We assess all qualified candidates based solely on their skills and qualifications, without regard to race, color, national origin, religion, gender, age, marital status, disability, veteran status, sexual orientation, gender identity, or any other characteristic protected by law.