Lead Data Scientist

Company Description 
Lumen Solutions Group Inc. is a technology consulting Services Company based in Florida. We provide a wide array of experienced business and IT professionals supporting clients from solution design to implementation and support. We specialize in professional IT consulting services, IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, Enterprise Transformation. 
 
Role: Lead Data Scientist
Location: Reston, VA (Hybrid – 1 Day in a Month)
Job Type: Contract
 
Job Summary:
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.
 
Key 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.

Required Qualifications:

• 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.

Preferred Skills:

• 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.

Lumen Solutions Group Inc is an equal opportunity employer. All qualified applicants will be considered for employment without regard to any legally protected status.