Senior AI Engineer - TS/SCI with Polygraph

General Dynamics - IT; Chantilly (VA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

401K with company match

Paid time off

Comprehensive benefits

Military-friendly workplace

Job summary

General Dynamics - IT in Chantilly, VA seeks an AI Engineer to deliver AI-driven solutions for national security programs. You will collect and preprocess data, train and optimize large language models, and collaborate with data scientists and software engineers to deliver scalable AI capabilities.

Role requires a TS/SCI with Polygraph clearance, 5+ years of related experience, strong programming skills in Python and Java, and excellent documentation and communication abilities.

Qualifications

• Experience with designing, developing, implementing ML/LLM solutions.
• Proficiency in Python and Java.
• Security clearance TS/SCI w/ Polygraph.

Responsibilities

• Develop AI-driven solutions to solve complex problems and improve processes.
• Collect, clean, and preprocess large structured and unstructured data.
• Train, validate, and optimize large language models; evaluate performance.
• Feature extraction and engineering to boost model generalization.
• Monitor production models with automated alerts and performance checks.
• Document designs, implementation details, and best practices.
• Collaborate with data scientists, software engineers, product managers and stakeholders to deliver impactful AI solutions.

Skills

Machine learning

Large language models

Python

Java

LangChain

CrewAI

Pydantics

Education

Bachelor's degree in Engineering or Computer Science

Tools

N/A

Job description

Seize your opportunity to make a personal impact as an AI Engineer supporting national security activities. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career.

At GDIT, people are our differentiator. As an AI Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on an AI Engineer joining our team to support our intelligence customer in Chantilly, VA.

How an AI Engineer Will Make an Impact:

• Develops innovative AI-driven solutions to solve complex problems and enhance business processes.
• Collects, cleans, and preprocesses large volumes of structured and unstructured data from various sources, ensuring data quality, integrity and relevance for model training and evaluation.
• Trains, validates, and optimizes large language models using state-of-the‑art techniques and frameworks. Evaluates model performance, interpret results, and iterate on model design as needed.
• Extracts, selects, and engineers relevant features from raw data to improve model performance and generalization capabilities. Utilizes domain knowledge and data exploration techniques to identify informative features.
• Monitors model performance, reliability, and scalability in production environments, implementing automated monitoring and alerting systems to detect anomalies and performance degradation.
• Documents technical designs, implementation details, and best practices for AI solutions.
• Collaborates with cross‑functional teams to include data scientists, software engineers, product managers, and other stakeholders to understand requirements, prioritize projects and delivery impactful AI Solutions.

What You'll Need to Succeed:

• Education: Bachelor's degree in Engineering, Computer Science, or other related analytical, scientific, or technical discipline.
• Required Experience: 5+ years of related experience.
• Required Technical Skills: Experience with designing, developing, implementing and using machine learning algorithms and large language models to address business challenges and opportunities, such as predictive analytics, natural language processing, computer vision and recommender systems; understanding of Agentic AI frameworks (e.g. Pydantics, CrewAI, Langchain), proficiency in programming languages such as Python and Java.
• Security Clearance Level: TS/SCI w/ Polygraph
• Required Skills and Abilities: Works independently under general supervision, strong documentation and communication skills, strong user interaction and business analysis skills.
• Preferred Skills: Understanding of machine learning algorithms, including supervised and unsupervised learning, deep learning, reinforcement learning, Large Language Models, generative AI and ensemble methods; familiarity with machine learning libraries and frameworks; knowledge of software development best practices, version control systems and agile methodologies.
• Location: On Customer Site.
• US Citizenship Required.

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support: An internal mobility team focused on helping you achieve your career goals
• Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY Explore a career in data science and engineering at GDIT and you'll find endless opportunities to grow alongside colleagues who share your determination for solving complex data challenges.