PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
6d
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Director of R&D (Data Center Development)
Ashburn, Virginia, United States
$180k-$220k/yr RemoteFull Time
10+ YOEBachelors in EE/CE or related,10+ years electronic design/R&D in power systems,prototyping experience,proficiency with C/C++,MATLAB or Python,knowledge of power quality and metering,excellent communication.
C/C++, MATLAB, Python, Modbus TCP, OPC UA, MQTT, BACnet, IEC 61850, APIs, AI/ML, cloud platforms
3w
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Hydrologist
Leesburg, Virginia, United States
RemoteFull Time
3+ YOESenior technical authority to design, test, and deploy operational hydrologic models; mentor staff; perform advanced data analysis and ensemble forecasting; strong programming (Python, R) and operational systems expertise.
SAC-SMA, HEFS, Python, R
2w
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Data Scientist - Mid
Denver or St. Louis or Sterling or Springfield
$69k-$142k/yr OnsiteFull Time
4+ YOEBachelor's or equivalent,4+ years data science experience,proficiency in Python or R and SQL,statistics and visualization experience,TS/SCI clearance with polygraph willingness.
Python, R, SQL, matplotlib, Tableau, ArcGIS, QGIS, GeoPandas
1w
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Intern - Year Round (Business Intelligence Analyst)
Vienna or Winchester
$19-$36/hr HybridMultiple Commitments Available
Currently enrolled in college; skills in data gathering, statistics, Azure, Databricks, technical writing, and data storytelling. Programming in SQL/Python/R and analytical coursework preferred.
SQL, Python, R, Azure, Databricks
3mo
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Data Scientist
Chantilly or Herndon or McLean
OnsiteFull Time
5+ YOEActive TS/SCI with Poly; 5+ years in data science; Bachelor's or Master's in related field; Python or R; ML frameworks; SQL; visualization; cloud platforms.
Python, R, Scikit-learn, TensorFlow, PyTorch, SQL, Tableau, Power BI, Matplotlib, Seaborn, AWS, Azure, GCP
4w
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C-UAS Test Analyst
Summit Point, West Virginia, United States
$75k-$131k/yr OnsiteFull Time
0+ YOEBachelor's in CS/Math/Statistics/Engineering (or 4+ years analytics), experience with Python, JavaScript, Linux, command line, statistics/data analysis, Microsoft Suite, technical writing, root cause analysis, and Part 107 certificate; travel up to 15%.
Python, JavaScript, Linux, command line, Microsoft Suite, MATLAB, R, MySQL, HTML, PHP, CSS, Tableau, Power BI
2w
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Senior Data Scientist
Denver or Springfield or Sterling or St. Louis
$82k-$172k/yr OnsiteFull Time
8+ YOETS/SCI clearance with polygraph, Bachelor or equivalent, 8+ years experience, expert Python/R and SQL, ML production experience, data visualization, and geospatial experience preferred.
Python, R, SQL
2w
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Manager, Model Risk
Newark or Sterling
HybridFull Time
5+ YOEExpertise in quantitative analysis, statistical techniques, regulatory model risk, Python or R, leadership and communication skills; ~5 years model risk or financial modeling experience preferred.
Python, R
3mo
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Data Scientist
Chantilly or Herndon or McLean
OnsiteFull Time
5+ YOEActive TS/SCI with Poly; 5+ years in data science; degree in data science, CS, stats, math; proficiency in Python/R; ML frameworks; SQL; visualization; cloud.
Python, R, Scikit-learn, TensorFlow, PyTorch, SQL, Tableau, Power BI, Matplotlib, Seaborn, AWS, Azure, GCP
1mo
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Modeling and Simulation Engineer
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOEBachelor's in a relevant technical field plus 5+ years experience, active TS/SCI with Polygraph, experience with C++, Python, R, SQL/PostgreSQL, MATLAB, STK, strong communication and writing skills.
C++, Python, R, SQL, PostgreSQL, Linux, MATLAB, VBA, STK
3mo
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AI Data Scientist
Ashburn, Virginia, United States
OnsiteFull Time
5+ YOE5+ years Data Science; ML/AI; Python/R; SQL; AWS; NLP; data viz; US citizen; CBP BI clearance; Bachelor's in CS/Math/Stats/IS; Masters preferred
Python, R, SQL, TensorFlow, PyTorch, Scikit-learn, XGBoost, Tableau, QuickSight, Power BI, QlikView, D3.js, AWS, EMR, Redshift, SageMaker, Comprehend, Glue, S3
5d
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AI Data Scientist
Ashburn, Virginia, United States
OnsiteFull Time
5+ YOE5+ years experience in data science with expertise in ML, LLMs/NLP, deep learning, statistics, AWS analytics, Python/R and SQL; BS required, MS preferred; strong visualization and stakeholder communication skills.
TensorFlow, PyTorch, Scikit-learn, XGBoost, Tableau, QuickSight, Power BI, QlikView, D3.js, EMR, Redshift, SageMaker, Comprehend, Glue, S3, Python, R, SQL
1mo
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Automation & Analytic Modeling Engineer
Chantilly, Virginia, United States
OnsiteFull Time
9+ YOEUS citizen with TS/SCI + poly required; Bachelor’s in a technical discipline; 9+ years supporting intelligence/defense/GEOINT programs; experience with analytic modeling, automation workflows, GEOINT data, and scripting (Python, R, MATLAB, Java).
Python, R, MATLAB, Java
1mo
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Data Architect, Lead
Chantilly, Virginia, United States
$99k-$225k/yr OnsiteFull Time
10+ YOE10+ yrs data analytics; 5+ yrs coordinating with business/IT; 5+ yrs cross-field work; 5+ yrs data analytics with ML/AI; knowledge of Closure, Scala, Python, or R; Top Secret clearance; Bachelor's in CS/CE/SE
Closure, Scala, Python, R
1mo
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Senior Reliability Engineer
Sterling, Virginia, United States
HybridFull Time
8+ YOEActive Secret clearance, Bachelors in engineering/physics, 8+ years reliability engineering with RF/microwave hardware, expertise in FMEA/FMECA, reliability prediction, environmental/accelerated testing, FRACAS, and strong data-analysis skills (Excel + Python/R/MATLAB/Minitab/JMP).
Microsoft Excel, Python, R, MATLAB, Minitab, JMP, MIL-HDBK-217, MIL-STD-810, MIL-HDBK-338, Telcordia SR-332, FIDES, GEIA-STD-0009, MIL-STD-785, FRACAS, FMEA, FMECA, Crow-AMSAA, HALT, HASS, vector network analyzer, spectrum analyzer, signal generator, DRFM, X-ray, SEM/EDS, network analyzer
1mo
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Full-Stack Data Engineer (TS/SCI)
Hampton or Annapolis Junction or Alexandria or Chantilly or Washington or Reston or McLean or Herndon or Bethesda or Catonsville or Frederick or Ashburn
$90k-$168k/yr OnsiteFull Time
2+ YOEUS citizen with active TS//SCI or immediate eligibility, Bachelor\u0002s required (Master's preferred), 2+ years data engineering/dev experience, 2+ years Python (or Ruby/Java/R) and SQL/NoSQL, 1+ year prompt engineering/GenAI, regex and NLP experience.
Python, Ruby, Java, R, SQL, NoSQL, SPSS, HTML, CSS, regex, NLP, API, LLMs, GenAI
2mo
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Senior Staff Radar System Architect/Radar Systems Engineer - Lovettsville, VA
Lovettsville or Dayton
HybridFull Time
15+ YOE15+ years in radar systems with leadership; proficiency in MATLAB, Python, or C++; US citizenship; ability to obtain Secret clearance preferred.
MATLAB, Python, C++
3mo
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Project Engineer 1 - New College Grad 2025 - 2026 (E&C - Manassas, VA)
Manassas, Virginia, United States
OnsiteFull Time
0+ YOEBachelor’s degree in Electrical, Mechanical, Systems, or Industrial Engineering; experience with CAD, SolidWorks, Revit, Python, SCADA, MATLAB, VHDL; new college graduates expected.
CAD, SolidWorks, Revit, Python, SCADA, MATLAB, VHDL
2w
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AI/ML Engineer/Data Scientist / Public Trust
Warrenton, Virginia, United States
$104k-$166k/yr OnsiteFull Time
8+ YOEBachelor's degree (or +4 years experience),8+ years technical experience,fluency in AI/ML,proficiency with Bash and Python,containerization experience,ability to obtain Public Trust,and U.S. citizenship required.
Bash, Python, Docker, Podman, OpenShift, Kubernetes, Databricks Data and AI platform, SAFe Agile
2w
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Applied Quantum Algorithms SME
Ashburn, Virginia, United States
$78k-$176k/yr HybridFull Time
3+ YOE3+ years software development, Python and Qiskit experience, quantum algorithms/quantum software knowledge, cloud/distributed workflows experience, bachelor’s in Physics/Mathematics/CS, ability to obtain Secret clearance.
Python, Qiskit