110 llm engineer jobs at 47 companies in Front Royal, VA
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AI Security & LLM Engineer
Reston, Virginia, United States
OnsiteFull Time
8+ YOEActive TS/SCI with CI polygraph, bachelor\u0002s and 8+ years relevant experience, IAT Level II and CSSP certifications required, proficiency in Rust or Python, experience with RAG pipelines, prompt injection defense, and token optimization.
Rust, Python, ChatGPT, Grok, Claude, Claude Code, Codex
1mo
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Senior AI Engineer
Reston, Virginia, United States
$112k-$179k/yr HybridFull Time
5+ YOEUS citizen with active Secret clearance, 5+ years' experience (BS/BA), 5–10+ years in software/DevSecOps/platform engineering, 2+ years building AI/LLM apps, expertise with LLM frameworks, cloud (AWS/Azure/GCP), CI/CD, Python plus another language.
LangChain, LlamaIndex, AutoGen, CrewAI, GenAI.mil, AWS, Azure, GCP, Python, Java, JavaScript, Go, Kubernetes, MHS GENESIS
2mo
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Senior AI/ML & Data Engineer
Chantilly, Virginia, United States
$100k-$203k/yr HybridFull Time
5+ YOE5+ years in AI/ML engineering, cloud data engineering, Python and ML frameworks, LLM development, MLOps, and secure environments.
SageMaker, Bedrock, Azure ML, Databricks, Ray, HuggingFace Transformers, PyTorch, TensorFlow, Scikit-learn, OpenAI, Anthropic, AWS, GCP, Terraform, CloudFormation, Jenkins, GitLab, Docker, Kubernetes, FedRAMP, NIST 800-53, Zero Trust
1mo
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AI Prompt Engineer
Ashburn, Virginia, United States
$67k-$133k/yr HybridFull Time
1+ YOEU.S. citizen required. Bachelor’s in CS or related (or equivalent),1+ year hands-on LLM experience,0–3 years software development experience,experience with Python or JavaScript/TypeScript,and familiarity with prompt engineering and RAG concepts.
OpenAI GPT, Llama, Gemini, Python, JavaScript, TypeScript
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AI Prompt Engineer
Ashburn, Virginia, United States
$67k-$133k/yr HybridFull Time
0+ YOEU.S. citizen able to pass CBP background check, bachelor’s degree or equivalent, 0–3 years software development experience, 1+ year with LLMs, Python or JavaScript/TypeScript experience, familiarity with prompt engineering and RAG.
Large Language Models (LLMs), OpenAI GPT, Llama, Gemini, Python, JavaScript, TypeScript, Retrieval Augmented Generation (RAG)
1w
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AI Solutions Engineer (297512)
Reston, Virginia, United States
$123k-$179k/yr HybridFull Time
7+ YOEBachelor's degree in a relevant computing field and 7+ years in AI/ML engineering or data science. Requires Python, ML frameworks, model validation, testing, LLM evaluation, and AI governance experience.
Python, scikit-learn, PyTorch, TensorFlow, Hugging Face, Databricks, Azure Machine Learning, MLflow, Microsoft Copilot Studio, AutoGen, LangChain, Azure, DevOps, Git, CI/CD, RAG
1mo
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AI/CNO Engineer
Dulles, Virginia, United States
OnsiteFull Time
Experience deploying and managing LLMs in offline environments, supporting cybersecurity and vulnerability research, building APIs and tooling, strong systems integration skills, active TS/SCI or ability to obtain polygraph.
Opus, Sonnet, MiniMax, Qwen
1mo
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Java Software Engineer
Reston, Virginia, United States
$90k-$122k/yr HybridFull Time
2+ YOE2+ years software development experience; strong CS fundamentals; AWS experience; familiarity with Java/Spring Boot, UNIX, secure coding, and machine learning/LLM concepts; Bachelor's or equivalent.
AWS, Java, Spring Boot, TensorFlow, Hadoop, Spark, GitHub, Jira, Jenkins, Terraform, Ansible, Unix
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AI & ML Engineer
Chantilly, Virginia, United States
$99k-$225k/yr OnsiteFull Time
Experience building and deploying ML/AI solutions to production, Python and object-oriented programming, fine-tuning open-source models and LLMs, Docker, TS/SCI clearance with polygraph, Bachelor's degree.
Python, Docker, Qdrant, Postgres, LLMs, MITRE ATT&CK
1w
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AI Systems Engineer
Chantilly, Virginia, United States
$153k-$191k/yr OnsiteFull Time
Active TS/SCI with Polygraph; Bachelor's+5yrs or Master's+3yrs (PhD acceptable); strong AI/ML and NLP skills; prototyping with Python/R and LLM frameworks; experience with enterprise datasets and government environments.
Python, R, llama.cpp, LangChain, Hugging Face, AWS C2S
3w
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Space Protection AI Mission Engineer
Chantilly, Virginia, United States
$160k-$200k/yr OnsiteFull Time
9+ YOERequires Top Secret/SCI with poly, bachelor’s+9 yrs (master’s+7, PhD+5), experience with space or ground systems, AI/ML development and integration, LLMs/NLP, and advanced analytical methods.
LLMs, NLP, DataBricks, AWS, Azure, GCP, Docker, Kubernetes, Confluence, JIRA
3w
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Space Protection AI Mission Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Active TS/SCI with Poly, bachelor's+9yrs (or master’s+7yrs, PhD+5yrs); experience with space/ground systems, LLMs/NLP, AI/ML development and integration.
DataBricks, AWS, Azure, GCP, Docker, Kubernetes, Confluence, JIRA
1mo
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AI Solutions Engineer
Chantilly, Virginia, United States
$170k-$210k/yr OnsiteFull Time
5+ YOEActive Top Secret clearance, Bachelor’s in CS/AI/Data Science/Engineering, 5+ years software/AI delivery, 2+ years applied AI/ML or LLM experience, predictive maintenance experience, and ability to work on-site in secure environments.
Python, R, Java, AWS, Azure, Google Cloud, IBM Maximo, IoT, LLM, CMMS, EAM
1mo
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AI/ML Engineer (Clearance Required)
Reston, Virginia, United States
$110k-$172k/yr OnsiteFull Time
1+ YOEActive TS/SCI with Polygraph, US citizenship, degree/experience combinations, experience deploying ML/LLM models to production, PyTorch/Ray/Docker/Kubernetes, Python and JavaScript full‑stack, AWS, and MLOps/DevOps practices.
PyTorch, Ray, Docker, FastAPI, Kubernetes, Python, JavaScript, AWS, TensorFlow, scikit-learn, Apache Spark, Dask, MLflow, Weights & Biases, DVC, AWS SageMaker, Azure Machine Learning, Google Vertex AI
1w
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Oracle AI Application Engineer
Reston or Springfield
$99k-$225k/yr OnsiteFull Time
5+ YOE5+ years cloud-first software experience, 3+ years OCI enterprise solutions, AI agents, LLM integration with RAG and MCP, geospatial solutions, Node.js, SQL, Python, R, bachelor's degree, and active TS/SCI clearance.
Oracle Cloud Infrastructure (OCI), Oracle 26ai, AI Database Agent Factory, Spatial, Spatial Studio, APEX, AWS, SQL, Python, R, Node.js, Oracle Databases, Machine learning frameworks, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Model Context Protocol (MCP), Microsoft Internet Explorer, Google Chrome, Mozilla Firefox, Microsoft Edge, Microsoft Safari, Opera Browser, Blackberry Browser
1mo
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Active polygraph clearance required. Experience with Lean Agile, LLM/RAG and semantic search, React, Node.js/Express, Elasticsearch, DevOps tools (Git, Jenkins, Nexus), and testing frameworks (Jest/Karma).
AWS, Azure, Elasticsearch, React, HTML5, CSS3, Node.js, Express, Tomcat, Web Services, SSL, Jest, Karma, Git, Jenkins, Nexus, OpenAI, LLM, RAG
3w
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Sr. AI/ML Engineer II (6707)
Reston or Herndon or Tysons Corner
$212k-$248k/yr HybridFull Time
10+ YOETS/SCI CI clearance, 10+ years experience, Bachelor's or equivalent, expert in Generative AI/LLMs/NLP/RAG/neural networks, 8+ years with Python/R/Anaconda/Numpy/TensorFlow/Keras/SciKit-Learn/Postgres, AWS IL6+ and CI/CD experience.
Python, R, Anaconda, Numpy, TensorFlow, Keras, SciKit-Learn, Postgres, AWS
1w
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Sr. Software Engineer (AI) - Hybrid - Reston, Va - Freewheel
Reston, Virginia, United States
$142k-$213k/yr HybridFull Time
7+ YOE7–10 years of software engineering experience, including AI applications; strong Python skills; production AI, LLM, or agent systems experience; cloud-native and distributed systems expertise; bachelor's degree preferred.
Python, AI Agents, LLM
1mo
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Principal System Architecture Standards Engineer
Herndon or Littleton
$127k-$182k/yr OnsiteFull Time
10+ YOEMaster’s or Ph.D. in EE/Telecommunications/IT/Data Science, 10+ years in wireless standards (3GPP/GSMA/TM Forum), deep 3GPP SA5/SA6/SA2 knowledge, AI/ML and observability expertise, and standards leadership experience.
3GPP SA5, 3GPP SA6, 3GPP SA2, TM Forum, GSMA, GenAI, LLM, OpenTelemetry, OpenInference, MCP, A2A, LangGraph, CrewAI, Strands, AutoGen, NWDAF, MDAF, Cloud-native Network Functions (CNFs)
1mo
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AI Solutions Engineer
Chantilly, Virginia, United States
$170k-$210k/yr OnsiteFull Time
5+ YOEBachelor's degree in a relevant field, 5+ years of software or AI delivery, 2+ years of applied AI/ML or LLM systems, active US Top Secret clearance, and Python, R, or Java experience.
Python, R, Java, AWS, Azure, Google Cloud, IBM Maximo, Scrum, Agile, LLM, IoT, EAM, CMMS
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