Machine Learning Engineer - TS/SCI with Poly required

Clearance Level
Top Secret SCI + Polygraph
Artificial Intelligence
McLean, Virginia
Onsite Workplace
Key Skills For Success

Artificial Intelligence (AI)


Language Models



REQ#: RQ164118
Requisition Type: Regular
Your Impact

Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.

Job Description

Seize your opportunity to make a personal impact as an Artificial Intelligence and Machine Learning Engineer. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career.

At GDIT, people are our differentiator. As a Machine Learning Engineer, you will help ensure today is safe and tomorrow is smarter.


  • Develop and adapt Large Language Models (LLM) and Natural Language Processing (NLP) methodologies using artificial intelligence and machine learning (AI/ML) frameworks and programming languages to create new capabilities to improve analytic workflows and address key intelligence questions.


  • Education: Bachelor or Master’ Degree in an IT discipline
  • Experience: 8+ years
  • Technical skills:
  • Demonstrated experience tuning neural networks, such as LLMs, on custom data sets and applying results to specific use cases.
  • Demonstrated professional or academic experience developing models and ensembles in the AI/ML space, including selecting the best Python libraries for a given task, choosing appropriate pre-processing actions, performing analysis, and assessing model performance.
  • Demonstrated professional or academic experience using Python or R.
  • Demonstrated professional or academic experience with deep learning frameworks such as PyTorch, Tensorflow, or Keras.
  • Demonstrated professional or academic experience and proficiency with SQL to include using common table expressions, set operations, aggregated functions and nested subqueries.
  • Demonstrated professional or academic experience with version control systems such as Github and Jenkins.
  • Demonstrated experience leveraging GPUs for accelerated computing.
  • Security Clearance Level: TS/SCI with Polygraph
  • Location: McLean, VA, On Customer Site
  • Skills and abilities desired:
  • Demonstrated professional or academic experience with the HuggingFace Transformers library and hub.
  • Demonstrated experience with cloud computing development and architecture.
  • Demonstrated experience with front-end web development frameworks such as Flask.
  • Demonstrated experience creating machine learning models that conduct text classification and topic modeling in Python using standard machine learning (SciKit Learn-) or deep learning models.
  • Demonstrated experience developing applications for semantic search.
  • Demonstrated professional or academic experience and proficiency with Tableau to produce visualizations and dashboards.
  • Demonstrated academic or professional experience communicating methodological choices and model results.
  • Demonstrated experience with verification and validation test benches.
  • Demonstrated experience with Explainable AI (XAI) techniques.
  • Demonstrated experience with ONNX (Open Neural Net Exchange).
  • US Citizenship Required


    • 401K with company match
    • Comprehensive health and wellness packages
    • Internal mobility team dedicated to helping you own your career
    • Professional growth opportunities including paid education and certifications
    • Cutting-edge technology you can learn from
    • Rest and recharge with paid vacation and holidays


    Work Requirements
    Years of Experience

    8 + years of related experience

    * may vary based on technical training, certification(s), or degree


    Travel Required



    U.S. Citizenship Required

    About Our Work

    We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

    GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.