Additive Applications Engineer

About Us 

AON3D is a venture capital-backed, Montréal-based additive manufacturing hardware, software, and materials company. Our solutions drive innovation for hundreds of businesses in 25+ countries worldwide, ranging from small businesses to multinational Fortune 500 corporations. 

Our mission is to create intelligent tools that automate and optimize the additive manufacturing process, enabling anyone to manufacture high performance parts, in any material, with the touch of a button.

About The Role

Join our applications engineering team as an Additive Applications Engineer and become the go-to technical resource for our customers. In this customer-facing role, you'll be the first line of support, helping businesses successfully integrate our 3D printing solutions into their workflows through hands-on troubleshooting, on-site training, and proactive guidance. You'll work closely with both customers and internal teams to solve real problems and drive meaningful outcomes.

What You Will Do

• Serve as the primary technical point of contact for customers, diagnosing and resolving printing and process challenges with a solutions-first mindset
• Conduct structured root-cause analyses and failure investigations to resolve recurring or complex issues
• Deliver on-site customer training, installations, and advanced troubleshooting visits across North America
• Develop material profiles and optimize 3D printing process parameters across a range of applications and materials
• Create high-quality training materials, printing guides, and technical documentation that empower customers to self-serve
• Apply Design for Additive Manufacturing (DfAM) principles to support customers with complex geometry and process challenges
• Conduct material testing and characterization studies to improve print quality and reliability
• Log customer interactions, cases, and follow-ups accurately in the CRM (HubSpot)
• Provide pre-sales technical support and design consultation
• Represent AON3D at trade shows, conferences, and customer meetings
• Contribute to application notes and case studies that support the broader customer base

What We Are Looking For

• Post-secondary degree in engineering, science, additive manufacturing, or a related technical field
• 3+ years of experience in an applications engineering or technical support role within the 3D printing or advanced manufacturing industry
• Strong troubleshooting instincts and comfort with structured root-cause analysis
• Genuine interest in working directly with customers and solving their technical challenges
• Proficiency with CAD software and DfAM principles
• Experience with FFF/FDM 3D printing processes and slicing software (PrusaSlicer or similar)
• Excellent written and verbal communication skills in English
• Ability to travel visa-free within Canada and the United States (up to 25% of the time)
• Preferred:
  • Experience with HubSpot or similar CRM platforms for managing customer cases and communications
  • Hands-on experience with high-performance engineering materials (PEEK, PEKK, PEI, PI)
  • Knowledge of thermoplastic material science and industrial applications
  • Familiarity with quality management systems (ISO 9001, AS9100)
  • Experience with design of experiments (DOE) or statistical analysis
  • Background in manufacturing processes beyond additive manufacturing
  • Project management experience

Location and Work Model

• Location: Montreal
• Work model: Hybrid
• Employment type: Full-time, Permanent
• Travel: Willingness and ability to travel within Canada and the United States, up to 25% for customer visits and industry events

Start Your Journey With Us 

Apply today and join a team that is shaping the future of additive manufacturing through intelligent, high performance technologies. Not quite the right role for you? Feel free to share this posting with someone in your network who may be a great fit. 

AON3D uses AI supported tools within portions of the hiring process to promote fair, consistent, and objective evaluation. Certain initial screening steps may be automated to help identify qualified candidates. If your application is declined through an automated step, you may request a human review. 

We are committed to fostering a workplace where everyone feels respected, supported, and able to contribute. If you require accommodation at any stage of the application process, please contact us.

Equal Opportunity Statement 

AON3D is an equal opportunity employer. All qualified applicants are given consideration regardless of race, religion, colour, gender, sex, age, sexual orientation, gender identity, national origin, marital status, citizenship status, disability, veteran status, or any other protected class as provided in applicable employment laws.