Lead AI Engineer
Job in
Newton, Middlesex County, Massachusetts, 02165, USA
Listed on 2026-07-26
Listing for:
PivotX Advisors
Full Time
position Listed on 2026-07-26
Job specializations:
-
Software Development
AI Engineer (Applied/Software), Machine Learning/ ML Engineer
Job Description & How to Apply Below
We are hiring a Lead AI Engineer to anchor and grow our AI practice, with strong hands-on expertise in Generative AI and traditional Machine Learning. This role combines technical leadership, solution architecture, and delivery ownership across client and internal AI initiatives. The ideal candidate is deeply hands-on, production-focused, and capable of translating business problems into scalable AI solutions.
Responsibilities- Lead design and development of AI solutions across:
Generative AI (LLMs, RAG, embeddings, chatbots), Traditional ML (classification, regression, NLP, forecasting, etc. ) - Own end-to-end lifecycle: problem framing model development, deployment monitoring.
- Define best practices for model development, evaluation, and production readiness.
- Mentor and guide junior ML engineers and data scientists.
- Design and implement: RAG-based systems, Enterprise chatbots and copilots, Document intelligence solutions.
- Build embedding pipelines and integrate vector databases.
- Apply prompt engineering and fine-tuning where required.
- Implement guardrails, evaluation metrics, and quality controls.
- Develop and deploy ML models using standard frameworks.
- Optimise model performance, scalability, and reliability.
- Work with structured and unstructured data pipelines.
- Ensure models are production-ready and measurable.
- Implement CI/CD practices for ML workflows.
- Containerise and deploy models using modern tooling.
- Set up monitoring, retraining, and drift detection.
- Collaborate with Dev Ops and cloud teams for scalable deployments.
- Support pre-sales with solution design and effort estimation.
- Drive POCs and accelerators in GenAI and ML.
- Contribute to reusable frameworks and AI assets.
- Stay updated with the evolving AI/LLM ecosystem.
- Strong experience with modern GenAI design patterns, including advanced RAG (hybrid search, reranking), agentic orchestration (Lang Graph or cloud-native ADK/Strands), and parameter-efficient fine-tuning (LoRA/QLoRA).
- Experience with LLM evaluation, guardrails, and model observability in production environments.
- Solid understanding of ML algorithms and deep learning.
- Experience with frameworks such as Tensor Flow, PyTorch, and Scikit-learn.
- Experience architecting and deploying AI solutions on AWS, GCP, or Azure.
- Knowledge of containerization (Docker) and orchestration (Kubernetes).
- Familiarity with ML lifecycle management tools (e. g., MLflow, Airflow).
- 6-10 years in AI/ML engineering.
- 3+ years leading AI/ML initiatives or mentoring teams.
- Proven track record of deploying ML or GenAI systems to production.
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