1mo
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Senior Cost Engineer
Chantilly, Virginia, United States
$117k-$227k/yr OnsiteFull Time
12+ YOEMaster's/PhD in a quantitative/STEM field, 12+ years cost engineering or related experience, expertise in Monte Carlo simulation (e.g., @RISK, Crystal Ball), ability to obtain security clearance, experience leading cost estimates and developing cost models.
Monte Carlo simulation, @RISK, Crystal Ball, Python, R, SQL
1w
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Project Controls Engineer
Ashburn, Virginia, United States
OnsiteFull Time
Bachelor's in construction management or quantitative field required; strong communication, time management, computer skills; ability to work collaboratively; background and substance screening required; employer does not sponsor immigration.
4w
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Data Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Bachelor's in a quantitative field, experience in data science/analytics, proficiency in Python/R/Java and data libraries, containerization and CI/CD experience, infrastructure-as-code (Terraform/Ansible), and active Top Secret/SCI with Polygraph.
Python, R, Java, Pandas, NumPy, SciPy, RESTful APIs, Terraform, Ansible, Docker, Kubernetes, TensorFlow, PyTorch, Scikit-learn, Hadoop, Spark, STK, AWS GovCloud, SDLC, CI/CD, Test-driven development, DevSecOps
2mo
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Senior Data Scientist / AI Machine Learning Research Engineer
Denver or Sarasota or Sterling
$82k-$172k/yr OnsiteFull Time
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
2w
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Senior Data Analytics Engineer
Reston, Virginia, United States
$90k-$139k/yr HybridFull Time
5+ YOE5+ years in data analytics/engineering or related fields; advanced SQL, Python (pandas, NumPy), AWS experience; UAT, API/JSON validation, Postman/Swagger/OpenAPI, Jira; bachelor's degree in a quantitative field.
AWS, Postman, Swagger/OpenAPI, Python, pandas, NumPy, JSON, SQL, Jira
1mo
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Lead AI Solutions Systems Engineer
Herndon or Sunnyvale or Grand Prairie or Atlanta or Mobile
HybridFull Time
10+ YOEMaster's in AI/CS or quantitative field, 10+ years in advanced analytics/AI with production-grade architecture and at least one generative/agentic AI system deployed; strong ML, data modeling, microservices, DevOps and cloud experience; authorized to work in the US.
SciKit, MLlib, PySpark, PyTorch, TensorFlow, Python, Langgraph, ADK (Google Enterprise Agent Platform (formerly Vertex AI)), Vertex AI, RAG, Streamlit, React, PostgreSQL, Firebase, BigQuery, GCP Cloud Run, Node, Typescript, Gemini CLI, Claude Code, Codex, Palantir Foundry, Skywise, Vertex AI Studio, Spacy, FlairNLP, Neo4j, Spanner, GKG, Github Copilot, Docker, Kubernetes, Gemini Enterprise, LLM Wiki
3w
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Delivery Consultant- AI/ML, WWPS ProServe
Jersey City or Austin or Seattle or Arlington or Bellevue or New York or Denver or Herndon or Mountain View or San Francisco
$131k-$204k/yr OnsiteFull Time
3+ YOEUS citizen required. 2+ years cloud architecture, 3+ years machine learning/statistical modeling, professional software engineering experience, GenAI benchmarking, and quantitative analysis skills.
AWS services
2mo
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Senior Data Scientist / AI Machine Learning Research Engineer
Denver or Sarasota or Sterling
$82k-$172k/yr OnsiteFull Time
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
4w
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Research Data Scientist, Cybersecurity, Google Cloud
San Francisco or Reston
$147k-$211k/yr OnsiteFull Time
3+ YOEMaster's in a quantitative field (or PhD), 3+ years analytics/coding experience (Python, R, SQL), experience developing/deploying ML/AI models, security/fraud domain experience preferred.
Python, R, SQL
4d
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Associate - Bechtel Enterprises
Houston or Reston
$141k-$204k/yr HybridFull Time
10+ YOEBachelor's degree and 10+ years relevant experience in consulting, energy, infrastructure or related fields; strong Excel and quantitative skills; excellent communication and analysis ability.
Microsoft Excel
2mo
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Principal Scientist – AI/ML Specialization - WFH1651
Reston, Virginia, United States
RemoteFull Time
10+ YOE10+ years of hands-on R&D in RF systems or related domains; advanced degree in a quantitative field; US citizenship.
Python, Jupyter notebooks
17h
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Data and Evaluation Lead
Reston, Virginia, United States
HybridFull Time
7+ YOEMaster's in public health or related field, 7+ years designing/managing evaluation frameworks for federal health programs; experience with clinical outcome data, data governance, HIPAA-compliant management, and quantitative/qualitative methods.
Uniform Data System (UDS)
2mo
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Measure of Effectiveness (MOE) Officer, Full Performance
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOEUS citizen with active TS/SCI with Poly, bachelor's degree, 5+ years IC experience, ability to design research, lead data collection, analyze qualitative/quantitative data, and create data visualizations; proficiency with Microsoft Excel and presentation tools.
Microsoft Excel, Microsoft PowerPoint, Tableau, Power BI
20h
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Industrial Hygienist
Fort Detrick, Maryland, United States
$102k-$133k/yr OnsiteFull Time
1+ YOEBachelor's degree in industrial hygiene or related science or ABIH certification; 1 year specialized experience identifying and evaluating workplace hazards, developing control measures, and executing quantitative sampling.
Defense Occupational and Environmental Health Readiness System
1mo
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Senior Informatics Program Analyst
Reston, Virginia, United States
OnsiteFull Time
10+ YOEAbility to obtain Public Trust clearance; Bachelor's degree in related field; minimum 10 years' experience in program analysis/healthcare informatics with VHA clinical informatics experience; strong quantitative and qualitative analytics, SAFe knowledge, dashboard/report development, and stakeholder engagement.
Power BI, Tableau, Electronic health record (EHR)
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