Haystack
← Back to Jobs
Temporary/Casual
Technology
GI

Model Development Software Engineer with Security Clearance

Gridiron IT SolutionsHerndon, VA🇺🇸United StatesPosted Oct 12, 2026

Quick Overview

Seniority
Mid Senior
Employment type
Temporary/Casual
Work mode
Hybrid
Location
Herndon, VA, United States
Posted
Yesterday
AWSMLOpsMachine LearningGenerative AIPython

Job Description

Position Title: Model Development Software Engineer Clearance Required: Active TS/SCI with CI Polygraph Position Overview
We are seeking a highly skilled Model Development Software Engineer to support a National Security customer within AWS Professional Services. This role focuses on developing, deploying, and optimizing advanced AI/ML and Generative AI solutions in classified cloud environments. The ideal candidate will have hands-on experience building and evaluating AI models, deploying scalable cloud-based solutions, and collaborating directly with mission stakeholders to solve complex operational challenges.
________________________________________

Key Responsibilities

  • Design, develop, and implement secure, scalable AI/ML model development solutions within AWS environments.
  • Select, customize, and fine-tune machine learning and Generative AI models for mission-specific use cases.
  • Develop, test, and deploy AI-powered applications that address real-world operational requirements.
  • Create and execute benchmark frameworks to assess GenAI model accuracy, performance, and effectiveness.
  • Conduct experiments and performance evaluations to optimize models for scalability, efficiency, and mission impact.
  • Collaborate with customer stakeholders to identify high-value AI use cases and translate requirements into technical solutions.
  • Apply quantitative analysis and data-driven methodologies to solve complex business and operational problems.
  • Work across multidisciplinary teams to deliver innovative AI capabilities in secure environments.
  • Communicate technical findings and recommendations to both technical and non-technical audiences.
________________________________________
Required Qualifications
  • Active TS/SCI clearance with CI Polygraph.
  • Minimum 3 years of experience with AI model development tools, techniques, and performance evaluation methodologies.
  • Minimum 2 years of hands-on Generative AI model development experience.
  • Experience designing benchmarks and evaluation frameworks for GenAI model performance.
  • Strong background in quantitative analysis and data-driven decision-making.
  • Experience working on cross-functional and multidisciplinary technical teams.
  • Ability to operate effectively within classified and secure development environments.
________________________________________

Preferred Qualifications

  • Experience with AWS services including: o Amazon EC2 o Amazon S3 o AWS VPC o AWS IAM o Amazon RDS o Amazon SageMaker o AWS Lambda and other serverless technologies
  • Experience optimizing cloud-based solutions for performance and cost efficiency.
  • Minimum 2 years of cloud architecture and implementation experience.
  • Master's degree or higher in: o Computer Science o Data Science o Artificial Intelligence o Engineering o Mathematics o Related STEM field
  • Proven ability to explain complex technical concepts and data insights to diverse stakeholders.
________________________________________

Desired Skills

  • Large Language Models (LLMs)
  • Model Fine-Tuning and Optimization
  • Retrieval-Augmented Generation (RAG)
  • Prompt Engineering
  • MLOps and Model Deployment
  • AI Evaluation Frameworks
  • Python Development
  • AWS Cloud Architecture
  • SageMaker
  • Machine Learning Operations
  • Data Analytics and Visualization

Similar jobs