Job Details

Overview Iron EagleX (IEX), a wholly owned subsidiary of General Dynamics Information Technology, delivers agile IT and Intelligence solutions. Combining small-team flexibility with global scale, IEX leverages emerging technologies to provide innovative, user-focused solutions that empower organizations and end users to operate smarter, faster, and more securely in dynamic environments. Responsibilities Job Description: Iron EagleX is seeking a highly skilled Senior Machine Learning Engineer to join our dynamic team in Crystal City, VA. The ideal candidate will specialize in AI-driven automation, prompt engineering, and machine learning model optimization to deliver innovative solutions to real-world challenges. This role requires expertise in large language models (LLMs), AI agent workflows, and the development of efficient AI solutions. The position is primarily on-site, with potential for hybrid work based on project needs. Job Duties Include (but not limited to): * Develop, optimize, and implement AI workflows with a strong focus on prompt engineering and automation. * Design and fine-tune machine learning models to enhance performance and effectiveness. * Research and apply best practices for large language model (LLM) utilization, including prompt orchestration and fine-tuning techniques. * Develop and integrate AI agents into data workflows, leveraging state-of-the-art frameworks. * Apply advanced prompt engineering techniques such as few-shot learning, chain-of-thought reasoning, self-consistency, and retrieval-augmented generation. * Utilize frameworks like LangChain and DSPy to design, test, and optimize prompts. * Address token limitations, cost trade-offs, and model-specific constraints across various LLMs (ChatGPT, Claude, Llama, Mistral, etc.). * Implement model fine-tuning methods, including soft prompting, adapters, and supervised fine-tuning. * Develop AI-driven automation workflows using agent-based architectures and frameworks such as LangGraph and OpenAI function calling. * Write, test, and maintain Python code for AI model development and integration. * Utilize version control systems (Git) to manage code changes and collaboration Qualifications Required Skills & Experience: * Minimum of 5 years of experience in machine learning, AI model development, or related fields. * Proficiency in prompt engineering and LLM optimization techniques. * Hands-on experience with frameworks such as LangChain, DSPy, and LangGraph. * Strong understanding of AI workflow automation and agent-based architectures. * Solid Python programming skills and experience with version control (Git). * Familiarity with Agile development methodologies. * Due to US Government Contract Requirements, only US Citizens are eligible for this role. Desired Skills and Experience: * Master's, Ph.D, or coursework/certifications in a related field * Familiarity with reinforcement learning and other advanced ML techniques. * Experience deploying AI models in production environments. Education & Certifications: * Bachelor's degree in Computer Science, Information Systems, Engineering, or a related field (or equivalent experience). Advanced degrees are a plus. Security Clearance: * An active TS/SCI security clearance is REQUIRED. Candidates without this clearance will not be considered. Benefits: * National Health, vision and dental plans * 20 days of PTO and 11 paid holidays * Life Insurance * Short - and long-term disability plans * 401(K) retirement plans * Incentive and recognition programs * Relocation opportunities Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans