Mechanical Systems Engineer

De Havilland Aircraft of Canada Limited (DHC) is a storied name in the aerospace industry, recognized worldwide for its pioneering contributions to aviation and its unwavering commitment to quality, innovation, and reliability. Headquartered in Calgary, AB, DHC currently has approximately 2,400 employees across British Columbia, Alberta and Ontario, as well as in markets and distribution hubs world-wide. Established in 1928, De Havilland Canada has a rich history marked by the development of some of the most iconic and versatile aircraft ever built. These aircraft have served a variety of roles—from bush flying to commercial aviation—and are celebrated for their rugged durability, operational versatility, and excellence in performance. Over the decades, De Havilland Canada has evolved to meet the changing needs of the aviation industry. Today, we are more than just an aircraft manufacturer; we are a comprehensive aerospace company with capabilities that span design, production, maintenance, repair, and overhaul (MRO) services. Our operations are supported by a team of skilled engineers, technicians, and industry professionals who are dedicated to upholding the highest standards of craftsmanship and innovation. Profile We have positions available in our Calgary, AB and Mississauga, ON offices for Mechanical Systems Engineers responsible for the development of engineering data packages to support the development and certification of various aircraft modifications. This includes engineering design, technical analysis, and airworthiness certification activities. Duties & Responsibilities Support in service aircraft by creating and reviewing engineering modification packages based on customer change requests Support aircraft test programs including writing Test Definition Sheets, aircraft equipment integration, aircraft test witnessing and subsequent test report development and review Prepare and define Technical Requirement Documents and Engineering Technical Assessments Evaluate vendor technical proposals and internal Program Change Requests. Prepare Design Change Proposals. Review and approve vendor requirement specifications, design documentation including engineering drawings, modification summary packages and vendor equipment qualification reports. Prepare technical reports to show compliance to the applicable certification requirements. Ensure airworthiness is maintained per required regulations Technically manage supply chain relationships by supporting technical meetings and writing/receiving Engineering Coordination Memos. Support aircraft production including problem solving and snag resolution. Technically supervise/coordinate the work and the mentoring of less experienced Engineers in the department. Education and Professional Qualifications Bachelors or Masters Degree in Aerospace or Electrical Engineering Current or candidate-for Aircraft Certification Delegate AP/DAR preferred Experience 5+ years experience in the design, installation, integration, testing, and certification of aircraft mechanical systems modifications. 5+ years experience supporting airworthiness certification under a TCCA framework working knowledge of system design, test and certification requirements and advisory material. Discipline preferred experience in aircraft Hydro-Mechanical Systems, Landing Gear Systems, Flight Controls Systems. Able to review the merits of different proposals for components, subsystems and systems with regard to function, weight, reliability and safety and ensure that they are compatible within aircraft mechanical systems. Knowledgeable with ARP4754 (Guidelines for Development of Civil Aircraft and Systems), ARP4761 (Guidelines and Methods for Conducting The Safety Assessment Process on Civil Airborne Systems and Equipment) and Electrical Wiring Interconnect Systems (EWIS) is an asset. Knowledgeable with civil airworthiness FAR Part 23 & 25 regulations and advisory material. Knowledgeable with industry advisory materia…

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