We are seeking a highly skilled Senior CNC Machinist with advanced experience in 5-axis machining and Mastercam Programming to join our aerospace manufacturing team. The successful candidate will bring a strong machining background, a proactive attitude, and the ability to thrive in a collaborative
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Senior CNC Machinist
Job Description:

We are seeking a highly skilled Senior CNC Machinist with advanced experience in 5-axis machining and Mastercam Programming to join our aerospace manufacturing team. The successful candidate will bring a strong machining background, a proactive attitude, and the ability to thrive in a collaborative environment. While technical expertise is essential, one of our main selection criteria is attitude and personality—qualities such as teamwork, adaptability, accountability, and a continuous improvement mindset. We can train technical skills, but we value people who show the right approach, integrity, and drive to succeed in aerospace manufacturing. Key Responsibilities:Develop, optimize, and validate 5-axis CNC programs using Mastercam for complex aerospace components.Interpret engineering drawings, models, and specifications (GD&T, MBD) to create accurate machining strategies.Collaborate with machinists, engineers, and production staff to ensure manufacturability, efficiency, and quality.Select tooling, cutting parameters, and machining strategies to maximize productivity while ensuring part integrity.Conduct prove-outs, troubleshooting, and continuous improvements on CNC programs.Support new product introduction (NPI) and prototype development in aerospace machining projects.Maintain accurate documentation of programs, tool lists, and setups in compliance with aerospace standards.Provide technical guidance and mentorship to machinists/operators on CNC setup, tool usage, and machining best practices.Complete any other duties or assignments as delegated by lead hand and/or management. Qualifications & Experience:Please note this is a unionized position; below are the qualifications and competencies required for this role and corresponds with wages outlined in the Collective Bargaining Agreement.Minimum 5–7 years’ CNC experience, with a focus on 5-axis machining.Proficiency in Mastercam (latest version preferred).Strong background as a machinist or toolmaker with practical hands-on experience.Experience in aerospace manufacturing and working to aerospace standards.Solid understanding of GD&T, model-based definition (MBD), and precision machining requirements.Knowledge of advanced cutting tool technology, feeds, speeds, and machining strategies for high-strength aerospace materials (Titanium, Inconel, Aluminum, etc.).Strong problem-solving skills and ability to optimize machining processes.Excellent communication skills and ability to work in a collaborative team environment. Preferred Skills:Experience with additional CAD/CAM or verification software (Vericut, Catia, NX, etc.).Knowledge of lean manufacturing, process improvement, and continuous improvement practices.Ability to train and mentor junior programmers and machinists. Shift Schedule:Preference will be given to candidates who are flexible and available to work either evening or weekend shift, based on the Collective Bargaining Agreement. Why Join Us?Work on cutting-edge aerospace components that demand precision and innovation.Collaborative environment with opportunities for growth and development.Competitive compensation and benefits package.Be part of a team that values attitude, accountability, and teamwork as highly as technical skills.
Company Details
De Havilland Canada
123 Garratt Blvd
Toronto, Ontario M3K 1Y5 Canada
dehavilland.com
56 Open Jobs Available
Throughout an impressive 75-year history of producing various models of aircraft in Canada and for the world, De Havilland has always proudly been known for its adaptability and dependability. Being responsible for creating some 3,500 aircraft—includ...

Supported Manufacturers:
De Havilland

Supported Models:
Dash 8-400
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Job Info
Location
Calgary, Alberta, Canada
Type
Permanent
Company Details
De Havilland Canada
123 Garratt Blvd
Toronto, Ontario M3K 1Y5 Canada
dehavilland.com
56 Open Jobs Available
Throughout an impressive 75-year history of producing various models of aircraft in Canada and for the world, De Havilland has always proudly been known for its adaptability and dependability. Being responsible for creating some 3,500 aircraft—includ...

Supported Manufacturers:
De Havilland

Supported Models:
Dash 8-400

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