L3Harris Senior Software Engineer Role

mirabel, qc, Canada • Posted June 16, 2026

Job Type: Full-time
Location: mirabel, qc
Posted: June 16, 2026
Category: IT & Technology
Application Deadline: July 26, 2026

Role Description

Join L3Harris as a Senior Software Engineer in either Mirabel, QC or Enfield, NS, where innovation meets defense technology. Thrive in a collaborative environment with a mix of remote and on-site work.
This role is crucial for ensuring software engineering standards are met across several defense platforms. You will lead development teams, mentor aspiring software engineers, and provide valuable insights during proposal evaluations as part of an engaging culture focused on professional growth.
Key Responsibilities:
• Approve software engineering documentation accuracy
• Assess and contribute to technical RFPs
• Guide the development of junior software professionals
• Manage Software Configuration Management functions
• Involve in all phases of the software development lifecycle
Requirements:
• Degree in Software Engineering, Computer Science, or related
• 10-15 years in aviation or defense software engineering
• Familiarity with ISO/IEC standards and DO...

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