

Senior AI/ML Data Scientist (PUBLIC TRUST CLEARANCE REQUIRED)
β - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior AI/ML Data Scientist requiring a Public Trust clearance, based in Woodlawn, MD. The contract is full-time, lasting over 6 months, with a pay rate of up to $89.00 per hour. Key skills include Python, NLP, RAG LLM, and SQL.
π - Country
United States
π± - Currency
$ USD
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π° - Day rate
712
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ποΈ - Date discovered
July 12, 2025
π - Project duration
More than 6 months
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ποΈ - Location type
On-site
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π - Contract type
Unknown
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π - Security clearance
Yes
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π - Location detailed
Windsor Mill, MD 21244
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π§ - Skills detailed
#Statistics #Leadership #HTML (Hypertext Markup Language) #Impala #Langchain #NLTK (Natural Language Toolkit) #Anomaly Detection #Database Management #ML (Machine Learning) #Spark (Apache Spark) #Python #Version Control #Computer Science #Scala #EC2 #Apache Spark #Monitoring #Pandas #Programming #Hadoop #PyTorch #SQL (Structured Query Language) #SpaCy #Web Services #Data Engineering #Regular Expressions #DevOps #Airflow #NLP (Natural Language Processing) #Data Analysis #AI (Artificial Intelligence) #Cloud #Deployment #Oracle #Security #AWS (Amazon Web Services) #MySQL #Data Science #AWS EC2 (Amazon Elastic Compute Cloud) #Azure #Mathematics #SQL Server #PostgreSQL #GIT #Model Deployment #Matplotlib #TensorFlow #Libraries #NumPy
Role description
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Position Overview:
We are seeking candidates with hands-on experience in Python, RAG LLM, NLP, ML, and Generative AI. The ideal candidate will be well-versed in SQL and skilled in analyzing trends and transactional data. You should possess the ability to understand real-world challenges and develop automated data solutions.
Responsibilities include:
- Developing, testing, and deploying new techniques for understanding Natural Language Processing (NLP).
- Creating scalable methods for the development and deployment of Machine Learning (ML) and Generative AI approaches, specifically Large Language Models (LLMs).
- Training and optimizing NLP/LLM models and building Python-based pipelines.
- Designing cloud-native solutions on AWS.
- Assessing analytic problems, evaluating options, and providing recommendations for resolution.
- Advising on methods and available data to evaluate intelligence or data-related problems.
- Collaborating with data collectors and analysts to identify and address gaps in complex monitoring issues.
- Providing complex, timely, and accurate data analysis.
Required Skills and Qualifications:
Basic Qualifications:
- Bachelorβs degree in Statistics, Applied Mathematics, Computer Science, or Information Science, along with industry experience in RAG LLM, Python, NLP, data science, and AI/ML/LLM engineering.
- A minimum of 8 years of experience as a Data Scientist.
- Must be able to obtain and maintain a Public Trust clearance, as this is a contract requirement.
- Selected candidates must be willing to work on-site in Woodlawn, MD, five days a week.
Key Skills for Success:
- Experience with Natural Language Processing (NLP), Generative AI, and Large Language Models (LLM).
- Proficiency in Python programming, including version control and collaboration using GIT, and familiarity with standard Python packages such as Pandas, NumPy, and Matplotlib, as well as ML frameworks.
- Knowledge of TensorFlow, PyTorch, Pandas, scikit-learn, NLTK, Azure ML (optional), and Amazon Web Services (AWS) EC2.
- Experience with scalable data engineering frameworks like Apache Spark and orchestration frameworks such as Airflow, and/or semantic search.
- Expertise in conducting data analysis and applying advanced statistical concepts and ML methods to build, train, test, and evaluate various supervised and unsupervised analytic models.
- Experience in ML model deployment and operations such as DevOps, MLOps, and LLMOps.
- Familiarity with NLP and Generative AI libraries, including regular expressions (e.g., Spacy, Langchain), text annotation tools, and semantic frameworks.
- Ability to clean and process large amounts of real-world data.
- Experience retrieving and manipulating data from various data sources, including DB2, Oracle, SQL Server, Hadoop, and flat files.
- Experience with database management systems (e.g., PostgreSQL, MySQL, SQLite, SQL, etc.).
- Excellent analytical skills to identify potential risks and propose effective solutions.
- Strong problem-solving skills, ability to collaborate with cross-functional teams, and effective communication skills in both written and verbal formats for various audiences, including executive leadership.
Desired Skills:
- Prior experience with federal or state government IT projects.
- Industry-related experience.
- Experience building an AI chatbot.
- Willingness to learn about distributed processing via the Hadoop ecosystem (e.g., Spark, Impala, Hive).
- Experience in an analytical research environment.
- Knowledge of parallel processing, such as GPU programming with CUDA.
- Experience using Mathematica.
- Familiarity with markup languages such as LaTeX and HTML.
- Experience with Natural Language Processing for anomaly detection.
Education:
- Bachelorβs degree with 12+ years of relevant experience.
- Must be able to obtain and maintain a Public Trust clearance, as this is a contract requirement.
Job Types: Full-time, Contract
Pay: Up to $89.00 per hour
Education:
Bachelor's (Required)
Experience:
Python: 9 years (Required)
RAG LLM: 9 years (Required)
NLP (Natural Language Processing ): 9 years (Required)
ML: 9 years (Required)
Generative AI: 9 years (Required)
SQL : 9 years (Required)
AI/ML/LLM engineering: 9 years (Required)
Data Scientist: 9 years (Required)
Large Language Models (LLM): 9 years (Required)
Python programming: 9 years (Required)
version control : 9 years (Required)
Security clearance:
Confidential (Required)
Ability to Commute:
Windsor Mill, MD 21244 (Required)
Work Location: In person