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
2mo
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Director (R&D)
Fairfax or Lexington or Beavercreek
$186k-$300k/yr OnsiteFull Time
15+ YOE8+ MgmtSenior R&D leader with TS/SCI clearance; 15+ years in related field; strong program and people leadership.
Java, C++, MATLAB, Python, Bash
1w
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R&D Engineer Intern
State College or Reston
HybridPart Time, Internship
Undergraduate student studying engineering or related field with proficiency in Linux and programming (C, Python, bash, PowerShell); strong communication and teamwork; eligible for U.S. government security clearance.
Linux, C, Python, bash, PowerShell, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
3mo
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Dir, Epidemiology Pipeline (TA-Immunology)
Morrisville, North Carolina, United States
OnsiteFull Time
Graduate degree in Epidemiology, Statistics, or Public Health; knowledge of study designs; basic programming (SAS, R, Python); excellent communication; leadership and collaboration skills.
SAS, R, Python
1w
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Psychometrician, AWS Training & Certification
Austin or Seattle or Arlington or Bellevue or Portland or Herndon
$136k-$184k/yr OnsiteFull Time
1+ YOEPhD with post-doctoral experience in high-stakes certification, experience with JTA, standard setting, equating, IRT, item analysis, form assembly, Generative AI, and proficiency in R or Python.
R, Python, Generative AI, Machine Learning, Agentic AI
2mo
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Lab Technician, Fins and Limbs Lab - Biology
Charlottesville, Virginia, United States
$20-$22/hr OnsiteFull Time
2+ YOEAssociate's degree (or equivalent),2+ years lab experience,experience with animal husbandry,micro-CT work,ability to run R/LabVIEW/Python code,and strong data/metadata management.
micro-CT, R, LabVIEW, Python, Microsoft Excel, Microsoft PowerPoint, DICECT
1mo
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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
1mo
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Postdoctoral Research Associate
Charlottesville, Virginia, United States
$50k-$70k/yr OnsiteFull Time
PhD in a quantitative biological or computational field; strong Python and R programming; experience with Linux/Bash, HPC, Nextflow, and large-scale genomic/multi-omic analysis; strong statistics and communication skills.
Python, R, Linux/Unix, Bash, High-performance computing, Nextflow, PyTorch, scikit-learn, Version control
3mo
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Operations Research Analyst
Dahlgren, Virginia, United States
OnsiteFull Time
3+ YOE3+ years in operations research/data analysis, bachelor\u0002s in operations research or related field, active TS/SCI clearance, experience with Monte Carlo and statistical techniques, proficiency with Python,R,VBA or MATLAB.
Python, R, VBA, MATLAB, PERT
2w
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AFSIM Simulation Analyst
Charlottesville, Virginia, United States
$68k-$144k/yr OnsiteFull Time
3+ YOETS/SCI clearance, accredited degree in physics/engineering/CS/applied math, 3+ years M&S experience with AFSIM, proficiency with C++, MATLAB, Python, R, strong technical writing and independent analysis.
AFSIM, ODESSA, C++, MATLAB, Python, R
4d
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Open-Source Intelligence Analyst
Charlottesville, Virginia, United States
$62k-$141k/yr OnsiteFull Time
6+ YOE6+ years OSINT collection and analysis experience, active TS/SCI clearance, DoD OSINT policy knowledge, advanced search and tradecraft, Bachelor's degree preferred, Python or R experience preferred, willingness to polygraph.
Python, R
2w
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AFSIM Simulation Analyst
Charlottesville, Virginia, United States
$68k-$144k/yr OnsiteFull Time
3+ YOEAccredited degree in physics/engineering/CS/applied math,3+ years M&S experience using AFSIM,TS/SCI clearance,proficiency in C++,MATLAB,Python,R,strong technical writing and analysis skills.
AFSIM, ODESSA, C++, MATLAB, Python, R
1mo
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Regional Threats Modeling and Simulations Engineer (Senior-Level)
Charlottesville, Virginia, United States
HybridFull Time
12+ YOESenior data scientist/engineer with 12 yrs relevant experience (8 yrs with Bachelor's). Requires mastery in data science, ML, modeling & simulations, R/Python/SQL, Power BI/Tableau, analytic leadership, and wargaming; TS/SCI required.
R, Python, SQL, Microsoft Office, Microsoft Power BI, Tableau
1mo
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Associate Bioinformatics Data Scientist
Charlottesville, Virginia, United States
$75k/yr OnsiteFull Time
BA/BS in computer science, bioinformatics, or related; advanced Unix/Linux, Python, R, Git, Docker/Singularity; experience analyzing next-generation sequencing and large genomic datasets; developing reproducible workflows and documentation; willing to complete security clearance.
R, Python, Unix/Linux, Docker, Singularity, Git, Perl, RMarkdown, tidyverse, NextFlow, SnakeMake, AWS, Azure
1mo
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Staff Geophysict
Chantilly, Virginia, United States
$109k-$200k/yr FieldFull Time
7+ YOEBS in physical science or equivalent, 7+ years relevant experience in geophysical data acquisition, signal processing, modeling, and algorithm development; experience with seismic/GPR/EM sensors, MATLAB/Python/R/C++, field work, and current SECRET clearance (U.S. citizen).
MATLAB, Python, R, C/C++, ground-penetrating radar (GPR)
3w
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Data Scientist - Subject Matter Expert
Fort Belvoir, Virginia, United States
$177k-$276k/yr OnsiteFull Time
10+ YOEMaster's or PhD in a relevant technical field, 10+ years data science/ML experience (government/defense preferred), proficiency with Python/R and TensorFlow/PyTorch/scikit-learn, remote sensing and uncertainty quantification experience, US citizen with active Top Secret/SCI.
Python, R, TensorFlow, PyTorch, scikit-learn
1mo
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Jr. Modeling and Simulation Analyst
Quantico, Virginia, United States
$75k-$90k/yr OnsiteFull Time
Bachelor's in physics/math/CS/engineering/applied science, proficiency in at least one modern programming language, U.S. citizenship with ability to obtain Top Secret clearance; onsite in Quantico. Desired: TS/SCI, AFSIM, Python/R/MATLAB experience, master's degree preferred.
Advanced Framework for Simulation, Integration, and Modeling (AFSIM), STORM, SWIFT, Python, R, MATLAB
1mo
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Data Science, Advisor
Washington or Quantico or United States
$135k-$216k/yr RemoteFull Time
3+ YOEActive Secret clearance; 3+ years experience (PhD) or 6–8+ years with advanced degrees or 12 years without; deep AWS architecture and SDLC security expertise; data engineering, data lakes/warehouses, ETL/ELT, and programming in Java/SQL/Scala/Python/R.
AWS, AWS Glue, Python, Amazon Bedrock, Amazon SageMaker, Amazon Macie, Apache Hadoop, Apache Spark, Apache Kafka, Amazon Kinesis, Java, SQL, Scala, R, NoSQL
2mo
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Senior Full Spectrum Geospatial Analyst, NVA
Fort Belvoir, Virginia, United States
OnsiteFull Time
8+ YOETop Secret/SCI clearance, 8+ years PED and geospatial/imagery analysis (HSI/MSI, thermal, EO, SAR, LIDAR), targeting and collection planning experience, OGC application knowledge, and ability to train others; scripting (Python, Java Script, HTML, R, SAS) desired.
Python, Java Script, HTML, R, SAS
3w
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Senior Principal Data Scientist - AI Lead (R-19518)
Vienna, Virginia, United States
HybridFull Time
10+ YOE10+ years data science/ML experience, AI/ML and NLP expertise, leadership experience, proven AI solution delivery for public sector, proficiency in Python/Java/Go and cloud platforms (AWS/Azure/GCP), Bachelor's required, Advanced degree preferred.
Python, Java, Go, AWS, Azure, GCP