AI/LLM Engineer with Security Clearance

ACTIVE TS/SCI SECURITY CLEARANCE AND POLYGRAPH REQUIRED Position Overview: D2 Consulting is seeking a highly skilled AI/LLM Engineer with an active TS/SCI clearance and CI polygraph to lead the design, deployment, and optimization of an on-premises Large Language Model (LLM) solution. This role involves architecting and implementing secure, scalable AI systems capable of ingesting, processing, and analyzing large datasets - including structured and unstructured data comprising millions of records. You will work alongside cross-functional teams supporting critical missions within the Intelligence Community, applying cutting-edge AI/ML techniques to drive insights and decision-making in secure environments. Key Responsibilities:
• Design and implement secure, on-premises LLM infrastructure and pipelines tailored to mission needs
• Evaluate, fine-tune, and deploy open-source or custom LLMs within air-gapped environments
• Develop and manage data pipelines for ingesting and processing structured and unstructured datasets at scale
• Apply NLP, ML, and data science techniques to extract insights from massive datasets (millions+ records)
• Collaborate with analysts, engineers, and mission stakeholders to shape AI capabilities around operational requirements
• Ensure compliance with security and data governance standards for classified environments
• Monitor model performance, implement updates, and optimize compute usage Basic Qualifications:
• Active TS/SCI clearance with CI Polygraph
• 5+ years of experience in AI/ML engineering, data science, or software development
• Hands-on experience deploying or fine-tuning LLMs (e.g., LLaMA, Mistral, GPT-NeoX, BERT, etc.)
• Experience with on-prem or air-gapped AI/ML deployments, including containerized or GPU-based environments
• Strong proficiency in Python and common ML/NLP libraries (e.g., Hugging Face Transformers, PyTorch, LangChain)
• Experience working with large datasets (millions of records), including ETL and data transformation pipelines
• Solid understanding of system architecture, data privacy, and secure computing practices Preferred Qualifications:
• Experience deploying quantized models for performance optimization (e.g., using llama.cpp, ggml, gguf)
• Familiarity with GPU server infrastructure (e.g., NVIDIA A100/RTX, CUDA) or multi-node compute setups
• Knowledge of cloud-to-on-prem transition architectures
• Background in supporting Intelligence Community or DoD missions Why Join D2 Consulting? As a Veteran-Owned Small Business, D2 Consulting delivers enterprise IT services to the U.S. Federal Government and Intelligence Community. We value innovation, agility, and mission alignment. You'll work on cutting-edge challenges in secure environments that make a difference. Additional Information All your information will be kept confidential according to EEO guidelines. Compensation is unique to each candidate and relative to the skills and experience they bring to the position. The salary range for this position is typically $200-240k. This does not guarantee a specific salary as compensation is based upon multiple factors such as education, experience, certifications, and other requirements, and may fall outside of the above-stated range. Highlights of our benefits include Health/Dental/Vision, 401(k) match, Accrued PTO, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and more. D2 Consulting is committed to a merit-based recruitment process and encourages applications from all qualified individuals. As a Veteran-Owned Small Business, we particularly welcome applications from veterans who have the requisite skills and experience. Job applicants that are interested in one of our openings and may require a reasonable accommodation to participate in the job application or interview process, should contact us to request an accommodation.