Senior Data Scientist
Software Engineering Institute
Data Scientist
Data Scientists at the SEI use advanced statistics, data analytics, machine learning, and artificial intelligence to help our government and industry clients research and solve cybersecurity challenges. In this role, you will work with our customers to identify areas where advanced statistical techniques can help tackle problems, plan and develop prototype solutions, and build out final products. You'll get a chance to work with elite cybersecurity professionals and university faculty to build new technologies that will influence national cybersecurity strategy for decades to come. You will co-author research proposals, execute studies, and present findings to DoW sponsors and at academic conferences. Our team works on a wide range of projects. Our current work includes research in generative AI and large language models, computer vision, multimodal AI, agentic AI, and assurance of AI systems. Additionally, we craft metrics and experimental designs for large-scale cybersecurity research programs, develop human-in-the-loop machine learning solutions, and build classifiers to identify security vulnerabilities. If you are a data science or statistics expert with an interest in cybersecurity, we want to hear from you!
Requirements:
- BS in data science, machine learning, computer science, statistics, or related highly-quantitative discipline with ten (10) years of experience or equivalent combination of training or experience; or MS in data science, machine learning, computer science, statistics, or related highly-quantitative discipline with eight (8) years of experience; or PhD in data science, machine learning, computer science, statistics, or related highly-quantitative discipline with five (5) years of experience.
- Willingness to complete modest travel to various locations to support the SEI's overall mission.
- You will be subject to a background check and must be able obtain and maintain a U.S. Department of War security clearance.
Knowledge, Skills and Abilities:
- Experience in predictive modeling, data science, and/or AI & machine learning
- Deep understanding of statistical modeling techniques and advanced data analytics
- Proficient with at least one mathematical/statistical programming package (e.g., R, python numpy/scipy/pandas/polars, MATLAB, etc.)
- Innovative and inquisitive with ability to imagine novel analytical solutions to problems Thrives in a multi-disciplinary environment
- Strong communication skills
- Expertise in one or more of the following:
- Recommendation systems
- Time-series forecasting (Prophet, NeuralProphet, Chronos, Lag-Llama, etc.)
- NLP / LLMs (fine-tuning, RAG, evaluation, prompt engineering)
- Causal inference / uplift modeling / synthetic controls
- Modern ML frameworks: LightGBM/XGBoost, CatBoost, PyTorch,JAX, TensorFlow)
- LLMs / agentic workflows (LangChain/LlamaIndex/Haystack)
- Experience deploying models (FastAPI, Triton, KServe, SageMaker, Vertex AI, or similar)
- Experience working with big data (Spark, Trino, Snowflake, BigQuery, Databricks)
Desired Experience:
- Experience in cybersecurity and privacy is a plus
- Experience in U.S. Government work and/or with FFRDCs, UARCs an National Labs is a plus
- Demonstrated ability to learn new concepts and grow into new areas of work
Location: Arlington, VA, Pittsburgh, PA
Job Function: Software/Applications Development/Engineering
Position Type: Staff – Regular
Full time/Part time: Full time
Pay Basis: Salary
More Information:
- Please visit "Why Carnegie Mellon" to learn more about becoming part of an institution inspiring innovations that change the world.
- Click here to view a listing of employee benefits
- Carnegie Mellon University is an Equal Opportunity Employer/Disability/Veteran.
- Statement of Assurance
$155k - $170k
Tetra Tech AMT is looking for a Senior Data Scientist to support a highly visible new FAA project in the initial project standup of executable processes and analytics at the direction of FAA management for pre-departure planning.Primary job duties and responsibilities may...SeniorFor contractorsShift workNight shiftAfternoon shift$175k - $180k
Celestar Corporation is currently seeking a Senior Data Scientist seated in the National Capital Region. If interested and qualified, we welcome you to apply for this challenging opportunity.LOCATION: National Capital Region (NCR)CLEARANCE REQUIREMENT: Active TS/SCI with...SeniorWork at office- ...future of Navy support. ICI Services is a 100% employee-owned company proudly celebrating 26 years of excellence—is seeking a Senior Data Scientist to Join our Team in Washington, DC. At ICI Services, our employee-owners drive innovation and deliver mission-focused...SeniorFor contractors
$99k - $225k
Data Scientist, SeniorThe Opportunity: As a data scientist, you’re excited at the prospect of unlocking the secrets held by a data set, and you’re fascinated by the possibilities presented by IoT, machine learning, and artificial intelligence. In an increasingly connected...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- ...EAB is seeking a Strategic Leader – Data and Analytics, Associate Director, to guide data strategy and analytics initiatives for higher... ...data and drive organizational change, collaborating with senior leaders across campuses to enable data-driven decision-making. The...Senior
$99k - $225k
Data Scientist, SeniorThe Opportunity: As a data scientist, you’re excited at the prospect of unlocking the secrets held by a data set, and you’re fascinated by the possibilities presented by IoT, machine learning, and artificial intelligence. In an increasingly connected...SeniorFull timeContract workPart timeWork at officeLocal areaRemote workShift work- ...model lifecycle, validation, and deployment What ONR is expecting • Someone who can turn messy S&T data into defensible insight • Not a research scientist - a mission oriented applied analyst • Someone who understands decision support, not just models...Senior
- ...purpose — and help shape the future.Department Summary:MITRE’s Data Science and Engineering department is looking for qualified applicants... ...:The successful candidate for this position is a hybrid Data Scientist and Data Engineer who combines strong foundations in computer...SeniorInternshipLocal area3 days per week
$148.5k - $223.9k
...future of AI, and you are the future of Salesforce.The TeamThe Data Science & Analytics team in Salesforce Cyber Security Operations Center seeks an experienced, driven, and creative Senior Data Scientist to join the team. We explore, invent, build and scale new ways to...SeniorFull time- ...EY-Parthenon in the United States seeks a Data Scientist Senior Associate/Consultant to build and scale multi-source data pipelines powering AI/ML-driven dashboards. You will source, merge, and transform data assets for high-visibility client engagements and partner with...Senior
$160k - $200k
Job TitleSenior Data ScientistLocationWashington, DC 20032 US (Primary)CategoryResearch... ...DescriptionPrescient Edge is seeking a Sr. Data Scientist to support a federal government client.... ...and an additional 5 years of related Senior experience for a total of 17 years, as a...SeniorWork at office- ...Barbaricum is seeking a Senior Data Science Consultant to provide advanced analytical engineering and strategic data architecture for the USAF MA program at the Pentagon, VA. The role focuses on senior analytics, automation, and enterprise platform optimization for DoW...Senior
- ...Sr. Data ScientistWashington DC (Day1 onsite)Key ResponsibilitiesDesign, develop, and maintain scalable data pipelines using Azure Databricks and Apache SparkImplement complex data transformations using Spark SQL and Python (mandatory)Build and manage analytics models...Senior
- ...Principal Data Scientist (GenAI) – McLean, VA 22102, 5 days onsite a week. Duration: 06 Months (Possible Extensions) Employment type: Contract Seniority level: Mid-Senior level Job Description We are seeking a highly experienced Principal Gen AI Scientist...SeniorContract work
$106.3k - $221.1k
...Senior Data ScientistAt Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger... ...change that moves missions and the government forward!The Sr. Data Scientist will use client platform data to identify trends, patterns,...Senior$115k - $150k
...Data ScientistCvent is a leading meetings, events, and hospitality technology provider with more than 5,500+ employees and ~30,000... ...collaboration, we'd love to meet you.We are looking for a Data Scientist who can help us move beyond using AI only as a coding assistant...SeniorWorldwide$100k - $165k
...Senior Data Scientist Data Analytics Arlington, Virginia Sep 3, 2026 Sr Data Scientist Blu Omega is seeking a Sr Data Scientist to support a federal program focused on data analytics. This role operates within a remote environment and is responsible for supporting...SeniorRemote work- ...Senior Data ScientistLocation: Washington, D.C. 20024Duration: 1-year base period with four (4) one-year option periods and one (1) six-month extensionRequired experience for each Data Scientist includes the following:Masters, Ph. D., or doctorate-level equivalent degree...SeniorWork experience placementShift work
- ...AI Lab Senior Data ScientistOur client is establishing an AI Lab to explore and implement generative AI and machine learning solutions... ...community development. They are looking for a full-stack Senior Data Scientist to support the AI Lab's research, development, and...Senior
$140k - $190k
...degrees in engineering, computer science, mathematics, and data science, who are seeking opportunities to use their deep technical... ...activities around the globe. The Role As a Senior Data Scientist , you will help research, develop, and integrate cutting-edge...SeniorFull timeLocal areaNight shift- ...Job TitleJob OverviewRequirement/Must Have:Master's or PhD in Computer Science, Data Science, Machine Learning, AI, or related field.8+ years of hands-on experience building and deploying machine learning models in production.Proven expertise with LLMs, transformer architectures...Senior
- ...Senior Data ScientistAt MBC, we believe we can. We believe in working hard to meet our clients' outcomes. We believe in laughter to help... ...'re our kind of person!We are currently seeking a Senior Data Scientist located in the Washington, D.C. area.Responsibilities:Develop...SeniorFlexible hours
$91k - $321.5k
...Data Scientist Senior Manager - Consumer MarketsThe Opportunity As a Data Scientist Senior Manager - Consumer Markets, you will leverage data and analytics to provide strategic insights and drive informed decision-making for clients. Within our Internal Firm Services practice...SeniorH1b- ...Senior Data ScientistAbout Tripoint SolutionsWe are technology innovators, partnered with state-of-the-art providers, such as AWS, ServiceNow, and UiPath, to drive digital transformation in the federal space. TPS teams are bringing automation and data science into areas...Senior
$140k - $180k
...Data Scientist - SeniorDIA's analysts are swimming in more data than any human can read. Your job is to make that data work for them. As a... ...predictive models that help analysts see around corners. At the senior level, you'll do this work at its highest degree of difficulty...SeniorHourly payContract workLocal areaShift work- ...Research Inc., a wholly owned subsidiary of MANTECH international Corporation seeks a motivated, career and customer-oriented Data Scientist to join our team in Arlington, VA. This role is a remote role preferably in the Washington DC area. As a Data Scientist, you...SeniorWork at officeLocal areaRemote work
- ...Senior Data ScientistHagerty is a company built by drivers for drivers. We put our members at the center of everything we do and are dedicated... .... Ready to get in the driver's seat? Join us!As a Senior Data Scientist at Hagerty, you'll build the customer identity and...SeniorWork at officeRemote work3 days per week
- ...Senior Data Scientist Castalia Systems is currently searching for a Senior Data Scientist who will leverage advanced data science, Python, AI/ML, statistical analysis, and ABI tools and tradecraft to analyze, integrate, and visualize complex mission data. This role...SeniorDaily paidContract workWork at officeLocal areaRelocationOverseasRelocation package
- ...MITRE Data Scientist And Data Engineer At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're a nonprofit engineering,...SeniorLocal area3 days per week
- ...Description Senior Data Analyst Req ID 002-25 v1.0 HazeGrayCyber, LLC is focused on delivering Cyber Security and Zero Trust... ...Certified Analytics Professional SAS Certified Data Scientist/SAS Certified Professional: AI and Machine Learning/SAS Certified...SeniorFor contractorsOverseas
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Data Scientist. Be the first to apply!
- junior data scientist Arlington, VA
- data scientist Arlington, VA
- python data scientist (contract) Arlington, VA
- junior data scientist remote Arlington, VA
- data scientist (hedge fund) Arlington, VA
- part time data scientist Arlington, VA
- energy data scientist Arlington, VA
- ai data scientist Arlington, VA
- entry level data scientist Arlington, VA
- entry level data scientist remote Arlington, VA

