Senior Data Scientist - On-Site NLP & Data Integrity Expert

Cliff Services Inc; Woodlawn (MD); On-site; USD 140,000 - 190,000; Full time

Job summary

Cliff Services Inc. in Maryland seeks a Senior Data Scientist to design and operate advanced data processing and entity resolution pipelines using Python and SQL. The role requires deep NLP, information extraction, and data hygiene expertise, with on-site work in Woodlawn five days a week.

Candidates should have 18+ years in IT, a relevant bachelor’s degree, and the ability to obtain a public trust clearance. Strong communication and collaboration across teams are essential.

Qualifications

• Bachelor's degree in Statistics, Applied Mathematics, Computer Science, or Information Science with NLP, Text Processing, Information Extraction, Python, SQL, Regex and related libraries.
• 10+ years in IT industry.
• Willingness to obtain and maintain public trust clearance.

Responsibilities

• Design, implement, and maintain data processing and entity resolution pipelines in Python and SQL.
• Clean, transform, and manage large-scale datasets with data integrity and security.
• Optimize complex SQL queries and database operations for performance.
• Follow engineering standards, participate in code reviews and version control.
• Support end-to-end delivery from data discovery to deployment and monitoring.

Skills

NLP & Text Processing

Named Entity Recognition

Blocking & Indexing

TF-IDF / Cosine Similarity

Phonetics Encoding

Python

SQL

Regex

Communication

Education

Bachelor's in Statistics / Applied Math / CS / Info Science

Tools

Splink / FastLink

spaCy

Scikit-Learn

PostgreSQL

DB2

Oracle

SQL Server

Hadoop

Jenkins

Job description

Cliff Services Inc. in Maryland seeks a Senior Data Scientist to design and operate advanced data processing and entity resolution pipelines using Python and SQL. The role requires deep NLP, information extraction, and data hygiene expertise, with on-site work in Woodlawn five days a week.

Candidates should have 18+ years in IT, a relevant bachelor’s degree, and the ability to obtain a public trust clearance. Strong communication and collaboration across teams are essential.