Jeff Witmer Email & Phone Number

- Providing MLOps expertise supporting development and deployment of a cloud-based AI/ML platform. - Leading a team Data Scientists developing ETL pipelines using Git, Spark, CI/CD, Databricks, and AWS. - Mentoring Data Scientists on NLP techniques (LLMs, transformers, unsupervised ML), distributed computing with Apache Spark, and the ML lifecycle.

Washington, District Of Columbia, United States

- Carried out cloud migration using Databricks on AWS, distributed computing with Apache Spark, and scalable storage with S3. - Adviser on statistical modeling of count data of rare events, data processing techniques, and technical report writing. - Developed an analytic platform as an R package for data processing and modeling reducing reliance on.

Washington, District Of Columbia, United States

- Developed and deployed a Natural Language Processing (NLP) platform as an R package for data preprocessing, modeling training, model tuning, model evaluation, and visualization. - Implemented NLP techniques including parts of speech tagging, named entity recognition, Latent Dirichlet Allocation, Structural Topic Models, transformer models, and sentiment.

Fort Washington, Pennsylvania, United States

- Developed custom software with a GUI for data-driven prediction of machine faults and simulation of potential design changes of semiconductor robots. - Designed statistical tests and built software to conduct quality assurance checks of advanced semiconductor robotics.

Delta, Pennsylvania, United States

- Automated analysis of data to aid the engineering team during power plant refueling. - Used historical data, designs, and schematics to resolve plant issues and improve reliability.

San Diego, California, United States

- Managed work center personnel by giving clear and direct assignments and controlled production rate.- Analyzed data to identify production deficiencies and prioritize maintenance tasks. - Reduced overhead cost by limiting consumables, cannibalizing parts, and implementing lean processes.

San Diego, California, United States

- Inspected the accuracy and completion of tasks in order to eliminate defects in mechanical and electrical functions.- Dictated the proper maintenance, handling, use, and storage of all ordnance-related assets and hazardous material to ensure safety and adherence to regulation. - Instructed and trained 14 new workers on aircraft armament equipment.

Minor, Data Science

Bachelor Of Science - Bs, Mechanical Engineering