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 material including SAE, RTCA and ARP documents for applicable TCCA, EASA and FAA certification requirements. Familiar with and have a working relationship with TCCA, EASA or FAA.   Skills Intermediate user knowledge of MS Office Suite (MS Word, Excel, and PowerPoint) Proven experience in the design and certification of aircraft modifications Effective technical writing skills Support continuous improvement initiatives Effective time management Ability to estimate manage work, adjust priorities to suit demands, track project performance, and report progress and issues