About the role#
This internship offers an opportunity to work within a unionized industrial environment. You will support HR Business Partners and operational leaders in a professional setting, gaining exposure to labor relations, employee engagement, and organizational effectiveness. The role requires on-site presence at our Longueuil facility.
What you'll do#
- Partner with HR Business Partners to support leaders and employees in a unionized environment.
- Provide day-to-day HR support to managers regarding performance, attendance, conduct, and workplace concerns.
- Assist in the interpretation and application of the collective agreement and HR policies.
- Manage employee relations files and documentation.
- Participate in discussions with union representatives and shop stewards.
- Support workplace investigations by gathering information, documenting findings, and preparing summaries.
- Contribute to initiatives focused on employee engagement and workplace culture.
- Analyze HR metrics and employee relations trends to assist in business decision-making.
- Collaborate with operational leaders to foster a respectful and productive work environment.
What you'll need#
- Current enrollment in a Bachelor’s or Master’s degree program in Human Resources, Industrial Relations, Business Administration, or a related field at a Canadian university.
- Eligibility to work in Canada.
- Strong analytical, problem-solving, and organizational skills.
- Excellent interpersonal and communication skills.
- Ability to handle sensitive situations and confidential information with discretion.
- Ability to collaborate effectively with managers, employees, and union representatives.
- Proficiency with Microsoft Office, including Excel, PowerPoint, and Word.
- Bilingualism in French and English.
- A strong interest in labor relations and HR business partnership.
- Previous academic or professional exposure to labor relations, collective bargaining, or workplace investigations is an asset.
- Interest in working within industrial or operational environments.
Location & details#
- Location: Longueuil, Quebec, Canada.
- Term: Winter 2027 (January 5 to April 23, 2027).
- Modality: Full-time, on-site, Monday to Friday.
- This position is paid.
About RTX
RTX operates in the aviation and aerospace component manufacturing industry. The organization consists of three primary businesses: Collins Aerospace, Pratt and Whitney, and Raytheon. It produces advanced sensors, aircraft engines, and defense systems for the aerospace and defense sectors. The company is based in Arlington, Virginia and employs over 10,000 people.
How to get in at RTX
Applying early to RTX gives you a distinct advantage because recruiters review applications as they arrive. Intern Insider sends an instant alert the moment a role matching your target is published, so you can submit your materials before the applicant pool grows too large. Being among the first to apply ensures your profile is seen while the team is still actively filling the position. You can also use Intern Insider to identify the specific recruiters behind RTX roles to reach out directly. Connecting with a recruiter to ask about the position or a potential referral often improves your response rate compared to applying into a general queue. This direct approach helps you stand out from the crowd.



