{"id":880183,"url":"https://alion.io/job/aon3d-junior-material-scientist","title":"Junior Material Scientist","company":{"id":670869,"name":"AON3D","domain":"aon3d.com","url":"https://alion.io/company/aon3d","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"role":"Science & Research","role_family":"Science & Research","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Montreal, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":37000,"max_usd":64000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":30},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-08-11T19:29:08Z","employer_posted_date":"2026-08-13","last_verified_at":"2026-10-14T15:13:13Z","board_verified":true,"closed_at":null,"days_open":63,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":63},"description":"About Us \nAON3D 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. \nOur 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.\nAbout The Role \nPrinting high temperature high performance polymers isn't magic, it's science turned into complex machinery and process control. In the R&D team we focus on understanding polymer behavior, quantifying it and then turning it into process control to guarantee strong and reliably printed parts for our customers\nWhat You Will Do \nOperate AON's high temperature industrial 3D printers to the point of becoming an expert\nUnderstand and formalize key polymer extrusion behaviors like die swell, the effects of viscoelasticity on print quality, layer welding, crystallinity formation and many more.\nPropose ways of quantifying driving phenomena experimentally, then running the experiments and finally working with the software side of our team to turn validated hypothesis into concrete software.\nDevise test workflows, run tests, give feedback on what parts of our software platform needs to be improved\nOnce you prove your hypothesis for one materials, you will scale it to all materials we support.\nYou will help train technicians to scale experimentation across the material range we care about.\nWhat We Are Looking For \nMasters or PhD in Material Science, Polymers Science or Mechanical Engineering\nStrong intuition on polymer behavior during processing through extrusion\nTheoretical knowledge of polymer rheology, extrusion processing, and thermodynamics\nExperience in 3D printing, preferably in FFF/FDM\nExperience working with high temperature performance polymers (Ultem 9085, Ultem 1010, PEEK, PEKK-A, etc)\nScientific mindset and background - proven examples of using the scientific method to study a phenomenon\nExperience building statistical models to predict physical or chemical phenomena, based on self-collected datasets\nInitiative, driven and independence - you take ownership of your projects and have the experience to prove it\nOpen to learning cross-disciplinary skills. Our team is composed of polymer scientists, mechanical engineers and software engineers. We like working together to build useful tools that make our prints faster, stronger and more reliable.\nLocation and Work Model \nLocation: Montreal\nWork model: On-site\nEmployment type: Full-time, Permanent\nStart Your Journey With Us \nApply 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. \nAON3D 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. \nWe 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 . \nEqual Opportunity Statement \nAON3D is an equal opportunity employer. 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