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From the employer's careers site First seen 25 Oct 2026

Machine Learning Engineer - TS/SCI with Polygraph

GDIT McLean, VA On-site senior full-time

Salary

$168,300 - $227,700 per year

Apply on GDIT

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.

HOW A MACHINE LEARNING ENGINEER WILL MAKE AN IMPACT

  • 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.

WHAT YOU’LL NEED TO SUCCEED:

  • Education: Bachelor or Master’s Degree in an IT discipline or the equivalent combination of education, technical certifications or training, or work experience
  • Experience: 8+ years
  • Technical skills:
  • Professional or academic experience working with modern deep learning frameworks such as PyTorch, TensorFlow, or Keras.
  • Hands-on experience using GPUs for accelerated computing.
  • Professional or academic experience in testing, evaluating, or validating the performance of AI systems (with a focus on LLM-based systems).
  • Professional or academic experience in experiment design and execution to test the performance of LLMs against a benchmark.
  • Experience tuning neural networks (including LLMs) on custom datasets and applying them to specific use cases.
  • Experience building AI/ML models and ensembles, selecting appropriate Python libraries, preparing data, performing analyses, and evaluating model performance.
  • Proficiency in Python or R
  • Solid SQL skills, including working with to include using common table expressions, set operations, aggregated functions and nested subqueries.
  • Experience using version control tools such as GitHub and Jenkins.
  • Security Clearance Level: TS/SCI with Polygraph
  • Location: McLean, VA, On Customer Site

Skills and abilities desired:

  • Experience working with Hugging Face Transformers and its model hub.
  • Demonstrated professional or academic experience in the development of benchmarks to measure LLM performance.
  • Experience with cloud-based development and architecture.
  • Experience with front-end or application frameworks like Flask.
  • Ability to build text-focused machine learning solutions (classification, topic modeling) using SciKit-Learn or deep-learning approaches.
  • Experience developing applications for semantic search.
  • Proficiency creating dashboards and visualizations in Tableau.
  • Ability to communicate modeling decisions, methodologies, and results clearly to technical and non-technical audiences.
  • Experience building or using verification and validation test benches.
  • Familiarity with Explainable AI (XAI) techniques.
  • Experience working with ONNX (Open Neural Network Exchange).

Benefits:

  • 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

Skills

Required

Nice to have

  • cloud-based development and architecture
  • front-end or application frameworks like Flask
  • SciKit-Learn
  • deep-learning approaches
  • semantic search
  • Tableau
  • Explainable AI (XAI) techniques
  • ONNX (Open Neural Network Exchange)
Apply on GDIT