Lead Data Scientist

Lumen Solutions Group Inc • Reston, VA

10d • Hybrid

About The Position

We are seeking a Lead Data Scientist to design, develop, and deploy AI/ML and Generative AI solutions for complex business problems. This role collaborates with business, product, and engineering teams to deliver scalable, high-impact data science solutions aligned with enterprise goals.

Requirements

• Bachelor’s degree in a related field (or equivalent experience).
• 8+ years of experience in Data Science / Machine Learning.
• Strong experience with LLM, Generative AI, and RAG.
• Strong engineering skills and code optimization.
• Hands-on experience with AWS stack (Bedrock, Lambda, Kendra, SageMaker).
• Expertise in statistical modeling, ML algorithms, and data analysis.
• Strong SQL and communication skills.
• Self-driven with strong problem-solving ability.

Nice To Haves

• Experience with Agentic AI.
• Knowledge of MLOps and CI/CD pipelines.
• Strong Python and ML frameworks (TensorFlow, PyTorch).
• Experience with vector databases for RAG.
• Familiarity with data engineering tools (Spark, pipelines).
• Experience in Agile/SAFe environments.

Responsibilities

• Build and deploy AI/ML models, products, and tools.
• Develop LLM and RAG-based solutions.
• Optimize code and ensure model performance and scalability.
• Collaborate with engineering, product, and business teams.
• Lead model evaluation, tuning, and deployment.
• Utilize AWS services (Bedrock, Lambda, Kendra, SageMaker).
• Identify gaps, troubleshoot issues, and implement solutions.
• Mentor junior team members and drive best practices.

What This Job Offers

• Career Level: Senior