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
2w
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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
2mo
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Sr. Principal Security Technical Program Manager
Reston or Austin
$126k-$264k/yr OnsiteFull Time
6+ YOEProgram management experience in cybersecurity or compliance (6+ years preferred), experience with SIEM/EDR, scripting for analytics (SQL, DAX, Python, R), strong communication, metrics/OKR development, and operational excellence.
Oracle Cloud Infrastructure (OCI), SIEM, EDR, SQL, DAX (Power BI), Python, R
2w
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Biostatistician or Senior Biostatistician, Public Health Sciences
Charlottesville, Virginia, United States
HybridFull Time
3+ YOEMaster's in statistics/biostatistics or related quantitative field; 3+ years biostatistics experience (5+ for senior); programming in R/SAS/Stata; REDCap and clinical data experience; strong communication and collaborative skills.
R, SAS, Stata, REDCap, Snowflake, OMOP, Python, LaTeX, Markdown
1mo
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Research Scientist III, AWS Security
Austin or Nashville or Seattle or Herndon
$159k-$215k/yr OnsiteFull Time
3+ YOEPhD or Master’s +5yrs quantitative research; 3+ yrs applying SEM/latent variable modeling; experience designing end-to-end customer research; programming in R/Python/Ruby; strong statistical and communication skills.
R, Python, Ruby, AWS, Hadoop, Spark, Pig, Hive
2w
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Postdoctoral Research Associate, AI Biosecurity Evaluation and Study Design
Charlottesville, Virginia, United States
$60k-$75k/yr OnsiteFull Time
Doctorate in data science/statistics/biostatistics/psychometrics/related field; experience designing human-subjects studies, power analysis, mixed-effects modeling, and working knowledge of molecular biology; strong R or Python programming.
R, Python, PyTorch, Hugging Face Transformers
3w
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Mid-Level Program Analyst
Springfield, Virginia, United States
OnsiteFull Time
10+ YOEBA/BS or MA/MS in a related field, >=10 years' experience, active Top Secret with SCI eligibility, strong communications, knowledge of IP/ITAR, R&D program development, PPBE/FAR/DFARS funding processes, and experience drafting R&D SOWs and program documentation.
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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Geophysict III
Chantilly, Virginia, United States
$73k-$131k/yr OnsiteFull Time
3+ YOEBS in physical science or equivalent, minimum 3 years relevant experience, skills in data acquisition, digital signal processing, geophysical modeling, algorithm and ML development, experience with seismic/acoustic/EM/GPR sensors, programming (MATLAB, Python, R, C/C++), field work, US citizenship and Secret clearance required.
MATLAB, Python, R, C/C++, GPR
5d
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Cybersecurity - Security Control Assessor Representative (SCA-R)
Fort Belvoir, Virginia, United States
$130k-$190k/yr OnsiteFull Time
15+ YOETS/SCI clearance and DoD 8570 IAT III required, 15+ years cybersecurity experience, RMF/JSIG expertise, bachelor\u0002s in STEM or equivalent experience, ability to obtain Special Access Program indoctrination.
1w
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PROGRAM MANAGER
Fort Belvoir, Virginia, United States
$122k-$158k/yr OnsiteFull Time
1+ YOEOne year specialized experience at GS-12 equivalent in acquisition program management for chemical/biological R&D, translating requirements into acquisition strategies, reviewing program plans and financials, and communicating technical issues; degree/transcripts required; must obtain acquisition Practitioner certification within 5 years.
3mo
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Senior Technical Program Manager
Herndon, Virginia, United States
OnsiteFull Time
10+ YOEExperience managing R&D programs in defense or aerospace; US citizen eligible for security clearance; strong communication and customer interfacing; systems engineering and laser tech familiarity; 10+ years leading diverse technical teams.
EVM, Laser systems, Optical engineering, Systems engineering
1mo
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Program Manager- A300
Fort Belvoir, Virginia, United States
OnsiteFull Time
10+ YOEBachelor's or master's in business or related field, 10 years managing DoD R&D contracts, minimum Secret clearance (Top Secret preferred).
2w
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Principal Enterprise Schedule Analytics & Operations Research Analyst
Herndon, Virginia, United States
$104k-$166k/yr OnsiteFull Time
6+ YOEU.S. citizen able to obtain Public Trust. Advanced schedule analytics and operations research experience on large government/aerospace programs; experience with IMS, statistical analysis, optimization, simulation, and executive briefings.
IRIS, SQL, Python, R, Power BI, Tableau, Acumen Fuse, Acumen Risk, Safran Risk, Primavera P6
2mo
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Research Computing Assistant Summer and Fall 2026 (Student Wage)
Charlottesville or Charlottesville
$18/hr RemotePart Time, Temporary
0+ YOEStudent worker for UVA Research Computing; programming in Bash, Python, R; familiarity with Markdown and Git; strong written and spoken communication; ability to work in a team.
Python, Bash, R, Markdown, Git, Jupyter
2w
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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
1mo
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AFSIM Modeling and Simulation Specialist
Reston, Virginia, United States
OnsiteFull Time
5+ YOEUS citizen with active Top Secret clearance w/ SCI eligibility, BS in engineering/science/math +5 years analysis experience, 2+ years AFSIM modeling experience, scripting/programming skills, strong communication and scientific-method ability.
AFSIM, STK, JMP, Python, C++, R
3w
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Senior Transportation Planner/Modeler
Herndon, Virginia, United States
$105k-$150k/yr HybridFull Time
10+ YOEBachelor's degree,10+ years travel demand/land use modeling experience, familiarity with CUBE, TransCad, Synchro, VISSIM, programming in Python or R, strong communication and teamwork skills.
CUBE, TransCad, Synchro, VISSIM, Python, R
15h
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Data Scientist
Ashburn, Virginia, United States
$83k-$140k/yr HybridFull Time
0+ YOEExperience developing ML models, advanced analytics, SQL and programming in R/Python/Scala/Java; ability to extract/clean/transform large datasets and apply supervised/unsupervised methods.
R, Python, Scala, Java, SQL, SAS, SPSS Modeler, WEKA, Periscope, Business Objects, D3, Tableau, SAS Visual Analytics, PowerBI, Hadoop, HIVE, HDFS, HBase, MapReduce, Spark, Kafka, Sqoop