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L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Liaison and Stress Analysis Intern Engineer (Summer 2026)

Job Location: Mirabel, QC

Job Code: SLIB

Job Schedule: Day Shift

Ensure the analysis and validation of aircraft structures for both commercial projects (new product development, missionization, system integration) and military programs (maintaining operational availability, repairs, and airworthiness compliance). The incumbent will work closely with other engineering teams and program managers to ensure conformity with performance, safety, and cost requirements.

Essential Functions: 

• Read and interpret manufacturing and modification drawings;
• Perform strength analyses (classical methods and finite element analysis) on metallic and composite materials, including fatigue and damage tolerance;
• Apply safety factors and aerospace design standards;
• Analyze structural damage on aircraft (CF 18, CT 114) and propose repairs that meet airworthiness requirements;
• Validate design criteria for in-service repairs and configuration modifications;
• Collaborate with fleet management teams to plan interventions and ensure operational availability;
• Document analyses, assumptions, and results in technical reports;
• Meet project deadlines and budget requirements.

Qualifications:

• Bachelor’s student in mechanical or aeronautical engineering who has completed a minimum of two (2) years of study;
• Proficiency in one or more of the following software: NASTRAN, PATRAN, or other finite element tools, plus CatiaV6, WORD and EXCEL;
• Ability to read technical drawings;
• Bilingualism required (French and English), with the ability to write technical reports in English;
• Ability to work effectively in teams and within multidisciplinary groups;
• Strong task prioritization in demanding environments and adherence to tight deadlines;
• Analytical mindset, resourcefulness, and commitment to customer satisfaction;
• Strong interest in material strength and structural mechanics.

Eligibility Criteria:

• Must be eligible for registration with the Controlled Goods Program;
• Must be eligible to obtain and maintain a government of Canada Reliability status and Secret Level 2/NATO Secret security clearance;
• Must be eligible to meet the requirements for U.S. International Traffic in Arms Regulations (ITAR).

L3Harris is proud to be an equal opportunity employer and is committed to treating all of its employees and job applicants with respect and dignity and to maintaining a workplace free from discrimination. Anyone applying for a position will be considered without regard to the following: race, national or ethnic origin, colour, religion, age, nationality, ancestry, ethnicity, gender, sex, sexual orientation, gender identity or expression, marital status, family status, genetic characteristics, disability, citizenship status, or conviction for an offence for which a pardon has been granted or in respect of which a record suspension has been ordered, or any other characteristic that is protected by applicable human rights legislation. 

L3Harris maintains a drug-free workplace and conducts pre-employment drug and alcohol testing and background checks, in accordance with applicable law. Such results are only accessible and viewed by individuals at L3Harris who have direct responsibility in the hiring process. If you fail to report for a drug and alcohol test, refuse to undergo such test or test positive for the presence of drugs or alcohol, the hiring process may be concluded or your offer of employment may be rescinded, in L3Harris’ sole discretion.

This job is for an existing vacancy

At L3Harris, we foster an inclusive and equitable workplace. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. For applicants with disabilities, we will provide you with accommodation so that you have what you need in order to be at your best.

L3Harris performs background checks prior to employment as all applicants must be eligible for registration with the Controlled Goods Program and obtain and maintain a positive security assessment. Some positions may require a government of Canada “Reliability” status and/or Level 2 (Secret) security clearance. In addition, L3Harris performs pre-employment substance abuse testing where required.