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19 ml research engineer jobs at 8 companies in Longmont, CO

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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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AI/ML Engineer
Littleton or Titusville
$133k-$234k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Bachelor's in a related discipline or equivalent experience; familiarity with AI/ML disciplines (NLP, anomaly detection, MCMC, predictive modeling); strong statistics; ability to implement algorithms; proficiency with Python/R/MATLAB (Python preferred); ability to obtain Top Secret clearance; US citizenship required.
Python, R, MATLAB, JIRA
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3mo
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Principal AI/ML Engineer
Lone Tree or Englewood
$165k-$227k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
14+ YOESenior AI/ML leader with 14+ years of experience, strong Python/C++/Java/C# skills, and ability to define technical strategy across programs.
Python, C++, C#, Java, CUDA, TensorRT, MLOps, CI/CD
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1mo
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Principal AI/ML Engineer (Large Language Model)
Aurora or Philadelphia
$115k-$252k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
10+ YOEActive TS/SCI clearance, BS in CS/ML/math, 10+ years experience (2+ years building LLM applications), Python and ML libraries, experience with LLM frameworks, RAG/vector DBs, deployment, and team leadership.
Weaviate, pinecone, LangChain, DSPy, llama factory, PEFT, AWS Bedrock, OpenAI, llama.cpp, vllm, tgi, ReAct, Python, PyTorch, TensorFlow, Keras, OpenCV, NumPy, Pandas, Polars, scikit-learn, HuggingFace, Nerfstudio, FiftyOne, Linux, EC2, S3, Lambda, Java, C++, Rust, Go, C#, CUDA, Gymnasium, RLlib, Stable Baselines, Podman, Docker, Kubernetes, Rancher
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1mo
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Staff Computer Vision AI/ML Engineer
King of Prussia or Aurora
$99k-$207k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEB.S. in data science/AI/ML/computer science; 5+ years software/AI/ML experience; leadership of interdisciplinary team; strong Python and ML framework skills; TS/SCI clearance.
Python, PyTorch, TensorFlow, Keras, OpenCV, scikit-learn, scikit-image, PyTorch Lightning, YOLOv3-11, YOLOX, Vision Transformer, Swin, AWS, Linux, Git
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3mo
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Principal AI/ML Engineer (Large Language Model)
Aurora or Philadelphia
$115k-$252k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
10+ YOEBS in ML/CS/Math; 10+ years in software/data science; experience with LLMs, PEFT, RAG, LangChain/DSPy; Python ML libs; TS/SCI clearance.
Python, PyTorch, TensorFlow, Keras, OpenCV, NumPy, Pandas, Polars, scikit-learn, Weaviate, pinecone, LangChain, DSPy, llama.cpp, vllm, Kubernetes, AWS, EC2, S3, LangChain, HuggingFace
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3w
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Staff Computer Vision AI/ML Engineer
King of Prussia or Aurora
$99k-$207k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEActive TS/SCI clearance, B.S. in CS/data science/AI, 5+ years experience (3+ in AI/ML model development), leadership experience, Python and ML framework proficiency (PyTorch, TensorFlow, etc.), experience with CV models and cloud deployment.
Python, PyTorch, TensorFlow, Keras, PyTorch Lightning, scikit-learn, scikit-image, OpenCV, YOLOv3-11, YOLOX, Vision Transformer, Swin, Linux, Amazon EC2, Amazon S3, AWS Lambda
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3w
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Staff Computer Vision AI/ML Engineer
King of Prussia or Aurora
$99k-$207k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEActive TS/SCI clearance, B.S. in data science/AI/CS, 5+ years' experience (3+ years developing/training AI/ML models), leadership experience, Python and ML framework expertise, experience training and deploying deep learning CV models, strong communication.
Python, PyTorch, TensorFlow, Keras, PyTorch Lightning, scikit-learn, scikit-image, OpenCV, AWS EC2, AWS S3, AWS Lambda, Linux
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1mo
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Staff Computer Vision AI/ML Engineer
Aurora or King of Prussia
$99k-$207k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEActive TS/SCI clearance, 5+ years experience (software/dev or data science with 3+ years AI/ML), leadership experience, Python and ML frameworks (PyTorch, TensorFlow, Keras, scikit-learn, OpenCV), CV model training and deployment, cloud experience, up to 10% travel.
Python, PyTorch, TensorFlow, Keras, PyTorch Lightning, scikit-learn, scikit-image, OpenCV, YOLOv3-11, YOLOX, Vision Transformer, Swin, DINO, BYOL, AWS EC2, AWS S3, AWS Lambda, Linux
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1mo
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Staff Computer Vision AI/ML Engineer
Aurora or King of Prussia
$99k-$207k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEActive TS/SCI clearance, 5+ years experience with AI/ML or software development, leadership of interdisciplinary teams, Python and deep-learning framework experience (PyTorch, TensorFlow, etc.), model training, optimization, and deployment to cloud, and strong communication skills.
Python, PyTorch, TensorFlow, Keras, PyTorch Lightning, scikit-learn, scikit-image, OpenCV, YOLOv3, YOLOX, Vision Transformer, Swin, AWS EC2, AWS S3, AWS Lambda, Linux
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1mo
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Staff Computer Vision AI/ML Engineer
King of Prussia or Aurora
$99k-$207k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEActive TS/SCI clearance, B.S. in related field, 5+ years experience (3+ years developing/training AI/ML models), leadership experience, Python and ML framework proficiency, CV model training and deployment experience, strong communication.
Python, PyTorch, TensorFlow, Keras, PyTorch Lightning, scikit-learn, scikit-image, OpenCV, AWS EC2, AWS S3, AWS Lambda, Linux
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2mo
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Senior Data Scientist / AI Machine Learning Research Engineer
Denver or Sarasota or Sterling
$82k-$172k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEMaster's in a quantitative field, 5+ years experience, active Top Secret clearance (SCI w/ polygraph ability), strong ML/math/stats skills, Python and SQL proficiency, cloud and data-pipeline experience, Linux familiarity.
AWS, Azure, GCP, Python, SQL, Spark, Airflow, TensorFlow, PyTorch, scikit-learn, Linux
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1mo
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Staff Machine Learning Engineer
Santa Barbara or San Diego or San Francisco or Denver
$200k-$250k/yr RemoteFull Time
AppFolio
AppFolioNASDAQ: APPF: Provides cloud-based property and investment management software.
Production ML infra on AWS; ML tooling; cost discipline; collaboration with ML researchers and engineers.
Python, Docker, CI/CD, AWS, ECS, SageMaker, GPUs, LangChain, LangGraph, TensorRT, Triton
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1mo
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Principal Machine Learning Engineer
San Jose or Pleasanton or Houston or Iselin or Denver or Seattle or New York or Irvine or Boston or Brooklyn or San Diego or Bellevue or Milpitas or Austin or Mountain View or Raleigh–Durham (RTP) or Los Altos or Redwood City or San Francisco or Santa Clara or San Mateo or Dallas or Sunnyvale or Palo Alto
$292k-$369k/yr RemoteFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
7+ YOEPhD in Computer Science or related field with 7+ years of industry research; strong ML/LLM, NLP, anomaly detection, multi‑modality modeling; proficient in Python, PyTorch/TensorFlow; productionization experience.
Python, PyTorch, TensorFlow
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2mo
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Senior AI Engineer (Camgian Labs)
Fort Collins, Colorado, United States
HybridFull Time
Camgian
Camgian: Develops AI and machine learning software for high-stakes decision-making.
5+ YOESenior AI engineer with 5+ years AI/ML model validation and deployment; strong Python; math background; cloud experience; able to travel; eligible for US government clearance.
Python, Git, TensorFlow, PyTorch, scikit-learn, OpenCV, NumPy, SciPy, Pandas, AWS, Azure
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2mo
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Senior Data Scientist / AI Machine Learning Research Engineer
Denver or Sarasota or Sterling
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEMaster’s degree in quantitative field with 5+ years of experience; ML/statistics background; Linux; US citizen with Top Secret/SCI clearance; travel up to 10%.
Python, SQL, Spark, Airflow, TensorFlow, PyTorch, scikit-learn, Linux, ETL, AWS, Azure, GCP
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2mo
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Senior AI Engineer (Camgian Labs)
Fort Collins, Colorado, United States
OnsiteFull Time
Camgian
Camgian: Develops AI and machine learning software for high-stakes decision-making.
5+ YOELead AI/ML prototype development; 5+ years AI/ML; strong Python; collaboration with customers; clearance eligibility.
Python, Git, TensorFlow, PyTorch, scikit-learn, OpenCV, NumPy, SciPy, Pandas, Matplotlib, AWS, Azure
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1mo
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AI/Machine Learning Engineer Senior
Grand Prairie or Littleton or Orlando or Shelton or Colorado or Connecticut or Florida or Texas
$109k-$217k/yr RemoteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOEBachelor's in Engineering/Computer Science with 5+ years (or Master's with 3+ years). Significant ML experience (NLP, deep learning, RL), software engineering skills, programming in Python/Typescript/C++/Golang, and U.S. citizenship required.
Python, Typescript, C++, Golang, AWS, Google Cloud, Azure, Gymnasium, rllib, Stable Baselines, RL Coach, TensorFlow
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2w
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Senior Algorithm Engineer / Scientist
Littleton, Colorado, United States
$109k-$182k/yr OnsiteFull Time
Applied Research Associates
Applied Research Associates: Provides scientific research and engineering solutions for complex problems.
8+ YOEB.S. in Applied Mathematics or related field with 8+ years (M.S. +6 yrs or Ph.D. +3 yrs alternative), U.S. citizenship, ability to obtain security clearance, experience developing algorithms and mentoring, proficiency in MATLAB/Python and ML frameworks.
MATLAB, Python, PyTorch, TensorFlow
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1mo
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Cyber Researcher, Attack Emulation (Senior / Principal)
Denver or Golden or Colorado or Israel
$180k-$220k/yr RemoteFull Time
Pentera
Pentera: Automated security validation and penetration testing platform
5+ YOE5+ years in security research or penetration testing, strong Windows internals and networking, 3+ years Python development, experience with Metasploit/Impacket/Nmap/Burp, reverse engineering (IDA/Ghidra/WinDbg/Radare2), cloud (AWS/Azure), and applied AI/ML concepts.
Python, Metasploit, Impacket, Nmap, Burp, IDA, Ghidra, WinDbg, Radare2, AWS, Azure, Windows, Linux
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