{"id":3737490,"url":"https://alion.io/job/hays-sr-ai-engineer","title":"Sr. AI Engineer","company":{"id":1050165,"name":"Hays","domain":"hays.ca","url":"https://alion.io/company/hays-ca","size_band":"5000+","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Halifax, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":120000,"max":150000,"currency":"CAD","period":"year","gross":null,"usd_annual":107185},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Anthropic","optional":false},{"name":"AWS","optional":false},{"name":"AWS Bedrock","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"Claude","optional":false},{"name":"Fine-tuning","optional":false},{"name":"Hallucination","optional":false},{"name":"LangChain","optional":false},{"name":"LlamaIndex","optional":false},{"name":"Machine Learning","optional":false},{"name":"NLP","optional":false},{"name":"NumPy","optional":false},{"name":"OCR","optional":false},{"name":"OpenAI","optional":false},{"name":"Pandas","optional":false},{"name":"Prompt Engineering","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"RAG","optional":false},{"name":"Scikit-learn","optional":false},{"name":"Semantic Search","optional":false},{"name":"TensorFlow","optional":false}],"status":"live","first_seen_at":"2026-09-29T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-09-29T00:00:00Z","board_verified":false,"closed_at":null,"days_open":40,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":40},"description":"Senior AI Engineer\nJob Type: Permanent\nSalary: CAD $120,000 - $150,000\nLocation: Halifax, NS (Hybrid - 3 Days Onsite)\nHays Client\nSenior AI Engineer\nWhat You'll Be Doing\n· Design, build, and support secure, cloud-native AI-enabled applications in a production environment.\n· Lead the technical design and delivery of complex AI, machine learning, and generative AI solutions.\n· Develop document intelligence solutions including document classification, information extraction, semantic search, workflow automation, and document understanding capabilities.\n· Design scalable AI architectures using foundation models, RAG, agent workflows, and intelligent document processing patterns.\n· Evaluate models, prompts, retrieval approaches, and AI frameworks to optimize business outcomes and production performance.\n· Implement model evaluation, prompt optimization, fine-tuning, and retrieval strategies to improve solution accuracy and reliability.\n· Define data validation, testing, deployment, monitoring, and observability processes for AI solutions.\n· Lead technical incident resolution and drive continuous platform improvements.\n· Establish best practices across Python, AI frameworks, AWS, MLOps, CI/CD, and software engineering processes.\n· Mentor junior and mid-level engineers through design reviews, technical guidance, and hands-on collaboration.\n· Partner with business stakeholders, data scientists, architects, and engineering teams to deliver scalable AI-driven solutions.\n· Drive improvements to architecture, automation, reusable frameworks, and engineering standards.\nWhat You'll Need to Succeed\n· Bachelor's degree in Computer Science, Engineering, Data Science, or a related discipline.\n· 6-8 years of software engineering experience, including 3+ years delivering AI/ML or Generative AI solutions in production environments.\n· Strong experience designing and deploying AI, machine learning, NLP, document intelligence, and generative AI solutions.\n· Hands-on experience with Retrieval-Augmented Generation (RAG), AI agents, foundation models, prompt engineering, and model evaluation frameworks.\n· Experience building intelligent document processing solutions involving OCR, document classification, entity extraction, and workflow automation.\n· Strong AWS experience and familiarity with enterprise AI platforms such as Amazon Bedrock, Anthropic Claude, OpenAI, Azure OpenAI, or similar technologies.\n· Experience with AI orchestration frameworks such as LangChain, LlamaIndex, or comparable tools.\n· Strong proficiency in Python and machine learning libraries including PyTorch, TensorFlow, scikit-learn, Pandas, and NumPy.\n· Experience with relational databases, NoSQL technologies, vector databases, and large-scale data processing.\n· Strong understanding of distributed systems, APIs, security, observability, CI/CD, testing, and production support.\n· Experience designing AI testing frameworks, model evaluation processes, retrieval validation, hallucination detection, and monitoring strategies.\n· Excellent communication skills and the ability to collaborate with technical and non-technical stakeholders.\n· Financial services or regulated-industry experience is considered an asset.\nWhat You'll Get in Return\nYou will join a high-performing engineering team focused on delivering innovative AI-powered solutions that drive business value. 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