Senior NLP Data Scientist

Company Overview At 4A Consulting, we turn complexity into opportunity. Founded in 2014 and headquartered in Baltimore, MD, we are a women-owned, boutique consulting firm specializing in delivering innovative, data-driven solutions to both the Federal Government and Fortune 500 clients. Our team blends deep industry knowledge with advanced technologies to design tailored strategies that drive measurable and sustainable outcomes. We pride ourselves on an agile, collaborative approach that helps organizations navigate challenges and seize emerging opportunities in a rapidly evolving digital landscape. At 4A, we don’t just deliver projects, we build trusted partnerships that empower our clients to lead with confidence in the digital age. Position Overview We are seeking a Senior Data Scientist / Engineer to lead the design, implementation, and maintenance of advanced data processing and entity resolution pipelines on enterprise data platforms. In this role, you will work with large-scale, complex datasets, utilizing cutting-edge Natural Language Processing (NLP), text processing, and information extraction techniques to ensure high data integrity, reliability, and performance. • This role is expected to be on-site in Woodlawn, MD 5 days a week. Key Responsibilities • Develop Analytics Solutions: Design, implement, and maintain advanced data processing and entity resolution pipelines using Python and SQL on enterprise data platforms. • Data Hygiene & Management: Clean, transform, and manage large-scale datasets from diverse, complex sources, ensuring absolute data integrity, reliability, and security. • Performance Optimization: Optimize complex SQL queries and database operations to ensure efficient data access, processing, and scalability. • Engineering Standards: Actively participate in code reviews, enforce version control, and uphold best practices for code quality, reproducibility, and data privacy. • End-to-End Delivery: Support data validation, testing, deployment, and post-implementation monitoring in a fast-paced environment. Required Qualifications • Master's and 10+ years of experience, Bachelor's and 12+ years of experience or 18+ years in lieu of a degree. • Bachelor’s degree in Statistics, Applied Mathematics, Computer Science, or Information Science with experience in NLP, Text Processing, Information Extraction, Python, SQL, Regex and specialized libraries/frameworks. • Strong practical experience with Natural Language Processing (NLP), Text Processing, and Information Extraction including: • Practical knowledge of Named Entity Recognition and Address Standardization to extract and clean unstructured text data. • Deep understanding of data matching strategies, including Blocking and Indexing, String Distance Metrics, and Phonetic Encoding. • Experience applying TD-IDF and Cosine Similarity for text comparisons and information retrieval. • Strong Python development skills for building analytics solutions and manipulating data. • Advanced SQL proficiency for complex data querying, optimization, and database operations. • Practical experience using Regex for advanced text processing, data cleansing, and pattern matching. • Familiarity with specialized libraries and frameworks including: • Linkage libraries such as Splink / FastLink, Dedupe, or recordlinkage • Core Python data science libraries, specifically spaCy for NLP tasks and Scikit-Learn for general machine learning and clustering • Familiarity with code reviews, version control, and maintaining data security and reproducibility standards. • Excellent communication skills. Preferred Qualifications • Prior experience delivering IT or data initiatives within federal, state, or local government environments • Proven ability to operate independently, take ownership of data pipeline architectures, and drive projects from data discovery through to post-implementation. • Experience retrieving, migrating, and manipulating data from legacy and distributed systems, including PostgreSQL, DB2, Oracle, SQL Server, and Hadoop, as well as unstructured flat files. • Experience utilizing Jenkins to automate continuous integration, testing, and deployment (CI/CD) for data validation pipelines. • Experience with pipeline automation tools to schedule and monitor complex data cleansing jobs. • Strong ability to translate complex algorithmic decisions (such as probabilistic match thresholds) into clear business logic for executive leadership and non-technical stakeholders. • Excellent problem-solving skills and proven verbal/written communication skills when collaborating across cross-functional teams. Why Join 4A • Be part of a mission-driven, women-owned consulting firm with a reputation for excellence. • Work on high-impact projects across federal and commercial clients. • Collaborate in an inclusive, growth-oriented culture where innovation is valued. • Access career development programs, mentorship, and learning opportunities. • Enjoy a comprehensive benefits package, flexible work options, and a focus on work-life balance. Equal Opportunity Statement 4A Consulting is an Equal Opportunity Employer committed to an inclusive hiring process. Applicants requiring a reasonable accommodation due to a disability may contact accommodations@4a-consulting.com. This email is intended solely for accommodation requests. Please note that 4A Consulting participates in the federal E-Verify program. Upon hire, we will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the US. 4A Consulting will only use E-Verify once you have accepted a job offer and completed the Form I-9.