1279 Library Science jobs in Arlington,VA

Experience with data exploration, data cleaning, data analysis, data visualization, data science, or data mining
Experience with statistical and general-purpose programming languages for data analysis such as Python, R, or SQL
Knowledge of statistical analysis, predictive modeling, and machine learning methods
Ability to design and develop automated analytic software, techniques, and algorithms
TS/SCI clearance
Bachelor's degree

Perkins Eastman

Washington, DC 20001

Jamison Professional Services, Inc. (Jamison)

Washington, DC 20001

BOOZ, ALLEN & HAMILTON

Alexandria, VA 22304

6+ years of experience with data science, statistical analysis, or quantitative research
6+ years of experience with the development of algorithms, leveraging R or Python in data analysis libraries, including pandas, NumPy, scikit-learn, or Tidyverse
6+ years of experience analyzing structured and unstructured data sources
Experience with statistics, including hypothesis testing, regression analysis, experimental design, and uncertainty quantification
Experience with data management in SQL, including managing large-scale data across multiple databases and data warehouses
Experience working with large-scale datasets and distributed computing frameworks, including Spark or DASK
TS/SCI clearance
Bachelor's degree

Square Peg Technologies

Washington, DC 20003

Origin Wireless

Rockville, MD 20852

Vantor

Reston, VA 20190

Current/active TS/SCI security clearance and be willing and able to obtain CI polygraph.
5 years of professional experience in data science, analytics, or data engineering roles.
Bachelor's degree in data science, computer science, engineering, statistics, GIS, or related discipline. Degree may be substituted with an additional 2 yrs of experience.
Strong coding proficiency in Python and SQL, with experience writing production-quality, maintainable code; working knowledge of R is a plus.
Hands-on experience with data manipulation, feature engineering, machine learning libraries (e.g., scikit-learn, PyTorch, TensorFlow), and automation tools.
Experience contributing to full-cycle data projects, including data preparation, modeling, validation, and reporting.
Ability to clearly communicate technical concepts and analytical results in writing and verbally.
Familiarity with NLP and LLM concepts, including practical experience applying pre-trained models (e.g., GPT-style models) for automation, summarization, or search.
Ability to work effectively in a collaborative environment, taking direction and feedback while owning assigned technical tasks.
This position requires an active U.S. Government Security Clearance at the TS/SCI level with CI Polygraph.
To be eligible for thisposition, you must be a U.S. Citizen.
Export Control/ITAR: Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).