Job Title: Senior Manufacturing Systems Engineer

Job Location: Montréal, QC

Job Code: 38715

Job Schedule: Day Shift

Compensation Range: Between $100,500 - $150,500 CDN annually

The Operations Engineering Systems Engineering Lead (OSE) serves as the technical lead for production systems, bridging the gap between design engineering and operational execution.

This role is responsible for translating systems engineering criteria into actionable production test plans and providing subject matter expertise for Marine, Power, and Space business units. The OSE handles the most complex technical challenges and ensures the successful transfer of technical knowledge throughout the production cycle.

Essential Functions

Technical Strategy & Test Planning

• Develop comprehensive testing plans based on criteria received from Systems Engineering to ensure product quality and functional compliance.


• Serve as the Subject Matter Expert (SME) for designated business units, providing technical guidance on complex Marine, Power, or Space systems.


• Lead the technical transition and knowledge transfer to the next generation of employees.


• Provide technical input for cost proposals and participate in technical baseline reviews.


• Review hardware and engineering documentation to verify production feasibility and identify potential technical risks.

Execution & Troubleshooting

• Support and resolve technical issues for the most difficult or complex projects within the department.


• Collaborate closely with engineering and software teams to lead root cause investigations for system-level failures.


• Function as a technical liaison between the production floor and the design engineering group to resolve non-standard technical problems.






• Verify that integrated systems meet all established functional and safety criteria before final customer acceptance.

Mentorship & Training

• Provide technical training, coaching, and mentorship to the integration and assembly teams.


• Develop training materials and work instructions to standardize technical procedures across the production floor.


• Ensure the technical team maintains a high level of competency in troubleshooting and systems integration.

Qualifications

• Degree or diploma in Computer, Electrical, or Mechanical Engineering, or a related field.


• 10+ years of experience in systems engineering, hardware integration, or testing within a complex engineering environment.


• Proficient in French and English.

Technical Skills & Strategic Assets

• Advanced troubleshooting and problem‑solving skills in high‑precision electromechanical systems.


• Familiarity with simulation solutions for marine or power sectors, including nuclear power plant simulators.


• Knowledge of IT networking, signal wiring, and communication protocols.


• Familiarity with IPC standards (IPC-A-610, IPC/WHMA-A-620) and J‑STD‑001 is considered a strong asset.


• Proven ability to work independently with minimal supervision while managing conflicting technical objectives.

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.

Equal Opportunity Employment

L3Harris is proud to be an equal prospect 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 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.

Background Checks and Drug Testing

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.

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.