As of November 6, 2026, Jobsy lists 6 principal engineer jobs in Markham, ON. The most active employers are Qualus, AECOM and Microchip - Canada. Skills often requested: leadership, communication skills, python and coaching.
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Candidates need deep hands-on experience with large language models, 3D world models or image/video generation, and experience training models at scale. A PhD or Master's in a related field and several years of AI and deep learning experience are preferred.
Candidates need deep experience designing modern scalable applications across several tech stacks, cloud skills in Azure or AWS, and knowledge of microservices, containers and CI/CD. They also need strong database skills and the ability to explain technical topics to non-technical people.
Candidates need deep experience with database systems, storage engines and vector search, and a record of shipping production systems at Staff, Principal or Architect level. Experience with vector databases such as FAISS or Milvus, and open-source or published research contributions, are valued.
3+ YOECandidates need a PhD or equivalent research experience in computer science, AI or a related field, plus at least 3 years of work on reinforcement learning or large language models. Strong skills in PyTorch or TensorFlow and clear communication with customers and internal teams are required.
Candidates need deep hands-on experience with generative AI models such as LLMs, 3D world models or image/video generation, plus large-scale model training. A PhD or Master's degree in a related field and several years of AI and deep learning experience are required.
AECOM: AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025.
6+ YOECandidates need a civil, structural, geotechnical, mining or related engineering degree, at least 6 years of rock tunnel or underground design experience, and a P.Eng. in Ontario or eligibility within one year. Strong rock mechanics and numerical analysis skills are required.