Intern, Industrial Hygiene (Safety) at Canadian National Railway

At CN, we are committed to our pursuit of excellence. We take pride in delivering work of the highest standard, continually innovating to shape the railroad of the future. As responsible railroaders, we make the right decisions every time, putting safety first, acting with unwavering integrity, and holding ourselves accountable for our actions. We believe in succeeding together—by fostering inclusivity and collaboration, we sustainably deliver exceptional results for our customers.
We welcome students aboard to join our team and play a valuable role in the engine that keeps the North American economy on track. Expect an exciting environment where you’ll be encouraged to learn, grow, and be recognized for your unique ideas and contributions. Work on pivotal projects with experienced collaborators who will encourage you to share your perspectives, and thrive in our close-knit, safety-focused culture. The careers we offer are meaningful because the work we do matters. Join us and get your career moving!

Intern, Industrial Hygiene (Safety)

This is a full-time summer internship lasting from May 11, 2026, until August 28, 2026

Job Summary

The Intern, Industrial Hygiene – Safety is responsible for understanding the techniques used in industrial hygiene to collect and evaluate data, as well as apply regulatory and professional standards to protect employees and the community. The role is performed in collaboration with the Industrial Hygiene team by conducting workplace monitoring for noise and various airborne hazards across operational departments. After an initial orientation, the incumbent works with supervisors and Safety team members on their projects, provides daily or weekly reports on the progress and the challenges incurred.

Major Responsibilities

• Conduct noise monitoring for certain tasks or locations quantitative assessments
• Perform air monitoring for silica, diesel particulate matter, welding fumes and lead as per operational department needs
• Test various biomechanical improvements, evaluate using Occupational Safety and Health Administration (OSHA) and National Institute for Occupational Safety and Health (NIOSH) applications and provide best practice recommendations
• Provide coaching and feedback to various groups on proper biomechanics
• Develop education materials based on industrial hygiene assessments and employee feedback
• Evaluate CN’s compliance with the Occupational Safety and Health Administration (OSHA) Hazard
• Communication program or Canada Occupational Health and Safety Regulations (COHSR) Workplace
• Hazardous Materials Information System program
• Perform spot inspections of hazardous materials inventories and update as appropriate
• Resolve if the Safety Data Sheets (SDSs) are available in the system and update them accordingly
• Ensure exposure monitoring data has been added to the Enablon Industrial Hygiene Module

Requirements

• Knowledge of Microsoft Office
• The role requires occasional travel (30%) within Canada and the United States (U.S.)

Education

• Minimum 3 years completed of a Bachelor’s Degree in an Occupational Safety and Health Field or Science (e.g., Biology, Chemistry, Physics)
• Working towards a Master’s Degree in an Occupational Safety and Health field*

• Any experience/education/skills/knowledge for these above would be considered as an asset

About CN

CN is a premium railroad that sustainably generates value for our customers, shareholders, employees, and stakeholders with an unwavering commitment to safety and service. Essential to the economy, to the customers, and to the communities it serves, CN safely transports more than 300 million tons of natural resources, manufactured products, and finished goods throughout North America every year. CN's network connects Canada's Eastern and Western coasts with the U.S. South through a 20,000-mile rail network. CN and its affiliates have been contributing to community prosperity and sustainable trade since 1919. CN powers the North American economy and is committed to programs supporting social responsibility and environmental stewardship.

At CN, we are dedicated to building North America's safest, most inclusive and sustainable railroad, which includes reflecting the communities in which we operate. Research shows that candidates often don't apply unless they feel they fit the job posting at 100%. To all potential applicants, even if you don't meet every job requirement listed in a posting, we still encourage you to apply. If you require an accommodation for the recruitment process (including alternate formats of materials, accessible meeting rooms or other accommodations), please get in touch with our team at [email protected].

As an equal opportunity employer, qualified candidates will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, and other protected status as required by applicable law.

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