Senior AI Engineer, IT Solutions 1 1

Celestica; Toronto; Hybrid; CAD 98,000 - 165,000; Full time

Job summary

Celestica in Toronto, Ontario, is seeking a highly skilled AI Engineer to join the Data & Analytics team. The role bridges business stakeholders and AI engineers, translating complex challenges into scalable AI/ML solutions and defining technical requirements.

You will design AI architectures, including Generative AI and Retrieval-Augmented Generation (RAG), and deliver production-ready tools that drive innovation and efficiency.

Qualifications

• 11+ years in IT/Software/Data Science with a focus on AI/ML development.
• Strong understanding of Generative AI landscapes, LLMs, prompt engineering, and vector databases.
• Proven ability to architect end-to-end AI solutions from discovery to production deployment.

Responsibilities

• Elicit and document technical requirements for AI/ML projects with stakeholders.
• Define AI use cases feasibility and success metrics.
• Design data ingestion pipelines and RAG strategies.
• Develop prompts and orchestration workflows.
• Implement CI/CD for AI models and monitor performance.

Skills

AI/ML development

Generative AI

LLMs & vectors

Python stack

Cloud AI

Education

Bachelor’s or Master’s in CS/AI/Data Science

Tools

LangChain

LlamaIndex

Semantic Kernel

Docker

Kubernetes

Pinecone/Weaviate/Milvus

Job description

Req ID: 141816

Remote Position: Hybrid

Region: Americas

Country: Canada

State/Province: Ontario

City: Toronto

Summary

We are seeking a highly motivated and technically proficient AI Engineer to join our growing Data & Analytics team. In this role, you will be a key liaison between business stakeholders and the technical AI team, translating complex business challenges into scalable artificial intelligence and machine learning solutions. You will be responsible for defining technical requirements, designing AI architectures (including Generative AI and RAG patterns), and collaborating with the Data Center of Excellence to deliver high-quality, production-ready AI tools that drive innovation and operational efficiency across the organization.

Detailed Description

AI Solution Scoping & Requirements:

• Elicit and document technical requirements for AI and Machine Learning projects through workshops and deep dives with stakeholders across various departments.
• Define the technical feasibility of proposed AI use cases, identifying appropriate model architectures (LLMs, SLMs, or traditional ML) and success metrics (Accuracy, F1-score, Perplexity, etc.).
• Analyze existing business processes to identify automation opportunities and areas where Generative AI can provide a competitive advantage.

Data Engineering & AI Pipeline Design:

• Work with stakeholders to identify and prepare high-quality datasets for model training, fine-tuning, and grounding.
• Design and implement data ingestion pipelines for vector databases, ensuring data integrity and optimal embedding strategies for Retrieval-Augmented Generation (RAG).
• Collaborate with data engineers to ensure scalable, secure, and compliant data flows between enterprise systems and AI models.

Model Development & Orchestration:

• Develop, test, and refine AI prompts and orchestration workflows using frameworks like LangChain, LlamaIndex, or Semantic Kernel.
• Evaluate and select appropriate foundation models (OpenAI, Anthropic, Llama, etc.) based on performance, cost, and latency requirements.
• Translate business logic into technical specifications for API integrations, model endpoints, and user interfaces.

MLOps, Deployment & Monitoring:

• Implement MLOps best practices to ensure the continuous integration and deployment (CI/CD) of AI models.
• Establish monitoring frameworks to track model performance, "drift," and hallucination rates in production environments.
• Ensure AI solutions adhere to corporate data governance, security, and ethical AI principles.

Knowledge/Skills/Competencies

Essential Skills:

• 11+ years of experience in Information Technology, Software Engineering, or Data Science, with a significant focus on AI/ML development.
• Strong understanding of Generative AI landscapes , including LLMs, prompt engineering, and vector databases (e.g., Pinecone, Weaviate, Milvus).
• Proven ability to architect end-to-end AI solutions from discovery to production deployment.
• Excellent communication skills, with the ability to explain complex technical AI concepts to non-technical business leaders.
• Advanced proficiency in Python and relevant libraries (NumPy, Pandas, PyTorch, or TensorFlow).
• Experience with Cloud AI Services (Azure AI Studio, AWS Bedrock, or Google Vertex AI [Preferred]).

Desirable Skills:

• Knowledge of SQL and advanced data modeling for structured and unstructured data.
• Familiarity with MLOps tools (MLflow, Kubeflow) and containerization (Docker, Kubernetes).
• Experience working in an Agile/Scrum development environment.
• Knowledge of AI security frameworks and responsible AI practices (e.g., OWASP for LLMs, MCP).
• Industry experience in manufacturing or a related industrial sector.

Physical Demands

• Duties of this position are performed in a normal office environment.
• Duties may require extended periods of sitting and sustained visual concentration on a computer monitor or on numbers and other detailed data. Repetitive manual movements (e.g., data entry, using a computer mouse, using a calculator, etc.) are frequently required.

Salary

The stated range includes Base Salary and target Short-Term Incentive (STI) compensation only. A comprehensive benefits package is offered in addition to this range.

The range described in this posting is an estimate by the Company, and may change based on several factors, including but not limited to a change in the duties covered by the job posting, or the credentials, experience or geographic jurisdiction of the successful candidate.

Salary Range: $98,241 - 164,554 CAD

Typical Experience

• 11+ years of progressive experience in technical roles, with at least 3-5 years specifically focused on AI/ML engineering or architecture.
• Proven track record of delivering production-grade AI applications.
• AI-related certifications (e.g., Azure AI Engineer Associate, AWS Machine Learning Specialty) are highly preferred.

Typical Education

• Bachelor’s or Master’s degree in Computer Science, Artificial Intelligence, Data Science, Mathematics, or a related field; or a robust combination of work experience and specialized AI certification.

Notes

This job description is not intended to be an exhaustive list of all duties and responsibilities of the position. Employees are held accountable for all duties of the job. Job duties and the % of time identified for any function are subject to change at any time.

Celestica is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws.

At Celestica we are committed to fostering an inclusive, accessible environment, where all employees and customers feel valued, respected and supported. Special arrangements can be made for candidates who need it throughout the hiring process. Please indicate your needs and we will work with you to meet them.

COMPANY OVERVIEW:

Celestica (NYSE, TSX: CLS) enables the world’s best brands. Through our recognized customer-centric approach, we partner with leading companies in Aerospace and Defense, Communications, Enterprise, HealthTech, Industrial, Capital Equipment and Energy to deliver solutions for their most complex challenges. As a leader in design, manufacturing, hardware platform and supply chain solutions, Celestica brings global expertise and insight at every stage of product development – from drawing board to full-scale production and after-market services for products from advanced medical devices, to highly engineered aviation systems, to next-generation hardware platform solutions for the Cloud. Headquartered in Toronto, with talented teams spanning 40+ locations in 13 countries across the Americas, Europe and Asia, we imagine, develop and deliver a better future with our customers.

We use artificial intelligence tools to assist in screening and assessing applications for this role. All hiring decisions involve human review.

This posting is for an existing vacancy.

Celestica would like to thank all applicants, however, only qualified applicants will be contacted.

Celestica does not accept unsolicited resumes from recruitment agencies or fee based recruitment services.