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498 llm engineer jobs at 211 companies in Frederick, MD

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Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
Help us #BeatIndeed & #BeatLinkedIn
2mo
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Lead AI Engineer (AI Foundations, LLM Customization and Finetuning)
Cambridge or McLean or San Jose or New York City
$197k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's in CS/AI/EE/CE with 4+ years or Master's with 2+ years in AI/ML; 4+ years Python/Go/Scala/Java
AWS, Hugging Face, VectorDBs, Nemo Guardrails, PyTorch, Python, Go, Scala, Java, C++
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1mo
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Advanced Concepts Engineer
Arlington or Mount Laurel or San Diego or Fall River
$90k-$184k/yr HybridFull Time
Innovative Defense Technologies
Innovative Defense Technologies: A defense technology delivering mission-critical software and automated solutions to the U.S. government.
3+ YOEBachelor's in STEM or equivalent experience, 3-5+ years relevant experience, ability to obtain/maintain Secret clearance, experience with distributed systems, cloud deployment, Agentic AI/LLM, systems engineering, and ~10% travel.
Agentic AI, LLM, SysML, UML, C++, Python, MATLAB, DOORS, Agile
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1w
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Machine Learning Engineer
Washington or United States
HybridFull Time
Adelphi
Adelphi: Secure AI data infrastructure for defense and intelligence sharing.
Experience in defense/intelligence, full-stack LLM/ML engineering, LLM Ops and SecDevOps; ability to deliver agentic systems; clearance preferred.
Claude Code, Cursor, Copilot, LangGraph, OpenAI Agents SDK, Claude Agent SDK, AutoGen, Docker, Kubernetes, AWS
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1mo
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Front-end Senior Software Engineer
Washington, District of Columbia, United States
OnsiteFull Time
Tight
Tight: Embedded accounting infrastructure for fintech and software platforms.
3+ YOE3+ years developing software, front-end experience with modern React toolchain, strong writing and engineering background, and curiosity about AI/LLM workflows.
TypeScript, React, Vite, Panda, TanStack Query, Zustand, Zod, Vitest, LLM
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1mo
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AI Engineer
Arlington, Virginia, United States
$78k-$176k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOE2+ years ML engineering experience; AI/LLM experience; prompt engineering; Python; cloud platforms; REST APIs; secret clearance eligibility; bachelor’s degree.
Python, AWS, Azure, GCP, LangChain, LlamaIndex, OpenAI, Anthropic, Weaviate, OpenSearch, Docker, CI/CD, REST APIs, LLMs, Embeddings
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1mo
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Network Reliability Engineer
Austin or Atlanta or Denver or Seattle or Washington
HybridFull Time
Cloudflare
CloudflareNYSE: NET: Provides security and performance services for internet properties.
3+ YOE3+ years network/site reliability engineering experience; BA/BS in CS or equivalent; experience with Saltstack, Ansible, Chef, NX-OS/JUNOS/EOS/Cumulus/Sonic; Linux administration; iproute2, Traffic Control, Devlink; software development in Go and Python; AI/LLM tooling experience.
Saltstack, Ansible, Chef, NX-OS, JUNOS, EOS, Cumulus, Sonic, LLM, iproute2, Traffic Control, Devlink, Go, Python, AirFlow, Temporal, FRR, Bird, GoBGP, C, C++, rust, Linux, Linux kernel, Prometheus, Grafana, Thanos, Clickhouse, Kubernetes, Docker, Consul
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1mo
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Lead AI/ML Engineer - Remote
United States or Minneapolis or Eden Prairie or Washington
$146k-$250k/yr RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
7+ YOEBachelor's in CS or 4+ years equivalent; 7+ years software engineering; 3+ years with CI/CD, Next.js/React, TypeScript, Node.js, PostgreSQL, and Microsoft Azure; 2+ years integrating AI/LLMs; strong problem solving and mentoring experience.
Next.js, React, TypeScript, Node.js, PostgreSQL, Microsoft Azure, CI/CD, RESTful APIs, LLM
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1mo
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Senior AI Engineer
Reston, Virginia, United States
$112k-$179k/yr HybridFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
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
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1w
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Cloud/AI Engineer
Arlington, Virginia, United States
$165k-$185k/yr RemoteFull Time
Strategic Innovation Group
Strategic Innovation Group: Provides IT and data-driven consulting services for federal agencies.
20+ YOEBachelor's in CS/Engineering, 20+ years cloud engineering, 3+ years AI engineering, hands-on with cloud migrations, LLMs/RAG/agentic AI, DevOps/CI-CD, Terraform/CloudFormation, and strong systems-thinking.
Docker, Kubernetes, serverless, AWS, Azure, Google Cloud, Snowflake, Amazon Redshift, Google BigQuery, Azure Synapse, Python, JavaScript, TypeScript, React, FastAPI, SQL, Spark, PySpark, REST APIs, Terraform, CloudFormation, LLMs, Retrieval-Augmented Generation (RAG), agentic AI, vector databases, MLOps
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3mo
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Staff Engineer - Applied AI
Bethesda or Palo Alto
$115k-$230k/yr HybridFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
8+ YOE8+ years software engineering or applied ML; 2+ years with Generative AI/LLMs in production; experience improving reliability, scalability, and workflows.
AI frameworks, Knowledge graph, Vector databases, Distributed systems, APIs, Spring AI, LangChain4j, Embabel
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1mo
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Senior AI Systems Engineer III (TS/SCI + Poly is required)
Fort Meade, Maryland, United States
$176k-$196k/yr OnsiteFull Time
Aperio Global
Aperio Global: Develops cybersecurity, AI, and intelligence software for government missions.
9+ YOEBachelor's +9 years (or equivalent); active TS/SCI with polygraph; proficiency in Java, Python, JavaScript, Jupyter Notebooks, Neo4j, AWS services, LLM/RAG and generative AI; systems engineering and cloud experience.
JAVA, Python, JavaScript, Jupyter Notebooks, GHOSTMACHINE, Neo4j, AWS Lambda, AWS EC2, AWS ECS/EKS, AWS SAGEMAKER, AWS S3, AWS RDS, AWS OpenSearch, LLM, RAG, generative AI, data visualization platforms
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4d
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Senior AI Engineer TS/SCI w/ Poly
Linthicum, Maryland, United States
$150k-$200k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
Design and maintain LLM orchestration, build data pipelines and databases for RAG, deploy AI tools in secure enclaves, support ATO and security assessments; proficiency in Python, data engineering, and LLM integration.
Python, RUST, Claude Code, Codex, Git, Jira, Confluence, CI/CD
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1w
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Senior Systems Engineer
Columbia, Maryland, United States
$150k-$175k/yr RemoteFull Time
eSimplicity
eSimplicity: Provides digital and data services to federal government agencies.
10+ YOEBachelor's degree and 10+ years systems engineering experience; experience building agentic AI, MCP integrations, LLM development, Python, cloud deployments, CI/CD, and public trust clearance eligibility.
Model Context Protocol (MCP), Python, Azure, AWS, Google Cloud Platform (GCP), Databricks, Snowflake, Spark, Strands Agents, LangGraph, CrewAI
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1w
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Senior AI Security Engineer
McLean, Virginia, United States
OnsiteFull Time
Appian
AppianNASDAQ: APPN: Provides a low-code platform for enterprise-grade process automation.
4+ YOE4+ years software engineering experience with LLMs, Python, cloud AI deployment, and security-first engineering; experience with multi-agent systems, vector DBs, and interfacing with security platforms.
Python, LangChain, LlamaIndex, AutoGen, CrewAI, Semantic Kernel, Pinecone, Qdrant, Milvus, Weaviate, Splunk, CrowdStrike, Microsoft Sentinel, Palo Alto XSOAR, Kubernetes, EKS, AKS, AWS, Google Cloud, Azure, Llama 3, Mistral, LoRA, QLoRA
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1mo
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Senior AI/ML & Data Engineer
Chantilly, Virginia, United States
$100k-$203k/yr HybridFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
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
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1mo
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SME AI Engineer
Columbia, Maryland, United States
$225k-$247k/yr OnsiteFull Time
Assured Information Security
Assured Information Security: Provides cybersecurity research and products for national defense missions.
15+ YOEMaster's (15+ yrs) or Bachelor's (18+ yrs) and extensive experience designing, building, integrating, or evaluating AI/ML applications; familiarity with LLMs, RAG, prompt engineering, agentic frameworks (e.g., LangChain); TS/SCI w/CI Poly required.
LangChain, LangGraph, Semantic Kernel, AutoGen, CrewAI, Haystack, Llamalndex, Python, JavaScript, TypeScript
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1mo
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Technical Engineer
Springfield, Virginia, United States
OnsiteFull Time
Core4ce
Core4ce: Provider of data-driven national security and defense technology solutions.
13+ YOEActive TS/SCI clearance; 13+ years (MA/MS) or 15+ years (BA/BS) in relevant discipline; degree in computer science, engineering or related; strong systems architecture, requirements, integration/testing, OpenShift/container deployment, Python/Java/GitLab, SPARQL, RDF/OWL, CI/CD, ISSO, and AI/LLM/RAG experience.
OpenShift, Python, Java, GitLab, AI/LLM/RAG, SPARQL, RDF/OWL, CI/CD, ISSO, Agile/Scrum
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2mo
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Staff AI Engineer
Gaithersburg, Maryland, United States
$185k-$220k/yr RemoteFull Time
BullFrog AI
BullFrog AINASDAQ: BFRG: AI-powered platforms for drug discovery and clinical development.
6+ YOE6+ years production software engineering experience, 2+ years building LLM-powered systems, strong Python coding, statistical literacy, eval design for LLMs, product and end-to-end system ownership skills.
Python, LLM, OpenAI, Anthropic
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1w
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AI Prompt Engineer
Ashburn, Virginia, United States
$67k-$133k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
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)
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1w
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AI Prompt Engineer
Ashburn, Virginia, United States
$67k-$133k/yr HybridFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
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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