De Havilland Aircraft of Canada is seeking highly experienced and versatile Mechanical Systems Engineers to join our Engineering team. The successful candidate will have 10+ years of aerospace engineering experience with a comprehensive understanding of aircraft mechanical systems, from concept through certification and into service support.

This role requires deep technical expertise, systems-level thinking, and a collaborative mindset to develop and support reliable, certifiable, and maintainable systems across a variety of platforms.

Key Responsibilities:

• Lead and support the design, integration, analysis, testing, and certification of mechanical systems for De Havilland aircraft programs.
• Apply deep technical knowledge to a wide range of mechanical systems, including but not limited to:
• Environmental Control Systems (ECS)
• Hydraulic Systems
• Pneumatic Systems
• Landing Gear Systems
• Flight Control Mechanisms
• Fuel Systems
• Ice and Rain Protection Systems
• Engine and Nacelle Systems
• Develop system architecture, schematics, and interface control documents.
• Collaborate with internal teams (Structures, Electrical, Avionics, Stress, Materials) and external suppliers to ensure integration and system-level performance.
• Author and review technical documentation including specifications, test procedures, and certification plans.
• Participate in certification activities, supporting communications with regulatory authorities (TCCA, FAA, EASA) to ensure compliance with airworthiness requirements.
• Support issue resolution, root cause analysis, and corrective actions during development, production, and in-service phases.
• Drive continuous improvement initiatives, incorporating lessons learned into future designs and processes.

Qualifications:

• Bachelor’s degree in Mechanical, Aerospace Engineering, or a related field.
• 10+ years of experience in aircraft mechanical systems engineering, preferably with transport-category or regional aircraft.
• Proven expertise in the design, integration, and certification of at least three of the major mechanical systems listed above.
• Strong understanding of regulatory requirements and industry standards (e.g., FAR/CS Part 25, ARP4754A, DO-160, etc.).
• Experience with system modeling, requirements management, and risk assessment tools.
• Familiarity with PLM/PDM systems and engineering change management processes.
• Excellent technical writing and communication skills.
• Demonstrated leadership in cross-functional environments and complex technical projects.

Preferred Qualifications:

• Knowledge of the Dash 8 aircraft, Twin Otter and CL415 aircraft design and operation is a strong asset. 
• Knowledge of certification planning, compliance documentation, and liaison engineering.
• Familiarity with systems testing environments, including Iron Bird or Integrated Test Facilities.