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: Specialist, Software Engineering

Job Location: Mirabel, QC

Job Code: 47605

Job Schedule: Day Shift

Compensation Range: Between $75,000 -$125,000 CDN annually

Essential Functions

- Design, develop, and maintain Human-Machine Interface (HMI) software components using modern C++.
- Contribute to the modernization and evolution of existing HMI IPMS solutions currently based on legacy C++ MFC technologies.
- Participate in software architecture discussions, technical design activities, and peer code reviews related to HMI application development.
- Develop clean, maintainable, efficient, and reusable software following established software engineering best practices.
- Troubleshoot, debug, and resolve software defects, integration issues, and system-level problems.
- Collaborate with cross-functional teams including Systems Engineering, Integration & Test, Quality Assurance, and Product stakeholders.
- Support software integration, validation, and testing activities.




- Adapt quickly to changing project requirements and evolving priorities within a dynamic development environment.
- Work effectively in situations involving changing requirements, evolving priorities and occasionally incomplete technical information.
- Contribute to technical decision-making and continuous improvement initiatives within the software team.

Qualifications

- Bachelor’s degree in Software Engineering, Computer Engineering, Computer Science, or a related technical field. Equivalent practical experience may also be considered.
- Minimum of 5 years of professional software development experience.
- Robust proficiency in modern C++ development.
- Solid understanding of object-oriented programming, software architecture, and software design principles.
- Experience working on large and complex software systems.
- Strong analytical, troubleshooting, debugging, and problem-solving skills.
- Ability to work effectively in a fast-paced environment with continuously changing priorities.
- Demonstrated ability to work independently and contribute to technical decision-making.
- Strong communication and collaboration skills within multidisciplinary engineering teams.
- Bilingualism (French and English) is required.

Preferred Qualifications

- Experience modernizing or refactoring legacy software applications.




- Familiarity with distributed systems and client/server architectures.
- Experience working in Agile software development environments, including iterative development, sprint planning, and collaborative team workflows.
- Knowledge of CI/CD pipelines and automated testing practices.
- Experience with Qt framework (QML, Qt Creator, signal/slop architecture) is considered en asset.
- Experience working in mission-critical, defense, aerospace, naval, or regulated environments is considered an asset.

Eligibility Criteria

- Must be eligible for registration with theControlled 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 co

📌 Specialist, Software Engineering (Mirabel)
🏢 L3Harris Technologies
📍 Mirabel