Senior Data Scientist — AI and Machine Learning

Job overview

The Senior Data Scientist — AI and Machine Learning role is listed in Fairfax, Virginia, with the worksite identified as off-site. Compensation is $150,000–$180,000 per year. The role advances enterprise data science and AI initiatives aligned with organizational goals. The position develops and deploys machine-learning and AI solutions that turn complex business challenges and large-scale data into analytical tools and recommendations. It also establishes sound model-development and governance practices and works with engineering teams to bring models into production and monitor their performance.

What you'll do

• Lead AI and machine-learning initiatives
• develop predictive, forecasting, NLP, LLM, recommendation, optimization, and retrieval-augmented generation solutions
• build production-grade models in Python
• partner on MLOps pipelines and monitoring
• collaborate on scalable data platforms
• establish model validation, explainability, governance, and responsible-AI standards
• communicate findings and mentor data-science talent.

What we're looking for

Skills & competencies

senior data scientist

artificial intelligence

machine learning

python

mlops

generative ai

large language models

nlp

fairfax va

u.s. citizenship required

$150k–$180k/year

pyramid systems

Work arrangement

• Weekend coverage required

Why this role

Requires U.S. citizenship, 10+ years of relevant experience, and expert-level Python proficiency; Public Trust is preferred.

About the employer

Pyramid Systems Inc is hiring for this role. Industry: Computer Systems Design Services. Sector: 54.