Senior Data Scientist
ARA Brand
Senior Data Scientist
The Capabilities, Analysis and Development (CAD) division of Applied Research Associates, Inc. (ARA) has an outstanding opportunity for a Senior Data Scientist to support a multi-disciplinary team providing data analysis and visualization support across the Department of Homeland Security (DHS) mission space. You will support data-driven decision making by analyzing data, developing basic models, creating visualizations, and generating actionable insights as part of a multi-disciplinary team delivering analytical and software solutions for national security missions. This role is ideal for early-career data scientists passionate about solving real operational problems and building prototypes in an agile environment.
Essential Functions:
- Coordinate teams as they process, clean, and transform structured and unstructured data.
- Support development of analytics, machine learning and statistical models, and exploratory data analysis.
- Create visualizations to identify patterns, trends, and performance indicators.
- Work with customers to translate user needs into analytic tasks.
- Lead the design, testing, and deployment of data and analytic workflows.
- Build and deploy scripts and tools to automate routine data tasks.
- Help prepare documentation, user guides, and training materials.
- Stay current on emerging technologies, analytic methods, and industry best practices.
- Collaborate with and potentially lead an agile team, and contribute to sprint activities.
Required Qualifications:
- Bachelor's degree in data science, statistics, computer science, mathematics, or a related field with 8+ years' experience, or a Master's degree with 6+ years' experience.
- Experience in Agile development practices and collaborative tools such as Jira and Gitlab.
- Experience in project management, coordinating with customers, and establishing scope, budget, and timelines for milestones and product releases.
- Experience performing analysis on large datasets and knowledge of machine learning tools and statistical techniques to produce solutions.
- Proficiency with common data science scripting tools and software (Python, R, SQL, SAS) and data visualization (Tableau, Qlik, Power BI) tools.
- Experience with common data packages such as pandas, NumPy, scikit-learn, pytorch, and data visualization frameworks such as matplotlib, seaborn, and Plotly.
- Experience with APIs, CSV/JSON datasets, relational databases.
- Ability to write clearly and produce documentation, user guides, and training materials.
Desired Qualifications:
- Experience conducting data analyses in cloud environments such as AWS, Azure, Data Bricks, Google Cloud.
- Strong experience with geospatial analyses, as well as ESRI products such as ArcGIS
- DHS Suitability
Applied Research Associates, Inc. is an employee-owned international research and engineering company recognized for providing technically superior solutions to complex and challenging problems in the physical sciences. The company, founded in Albuquerque, NM, in 1979, currently employs over 1200 professionals. ARA offices throughout the United States and Canada provide a broad range of technical expertise in defense technologies, civil technologies, computer software and simulation, systems analysis, environmental technologies, and testing and measurement. The corporation also provides sophisticated technical products for environmental site characterization, pavement analysis, and robotics.
At ARA, employees are our greatest assets. The corporation realizes that employee ownership fosters greater creativity and initiative along with higher performance and customer satisfaction levels. ARA gives its employees the tools, training, and opportunities to take more active roles as owners. The culture is challenging; innovation and experimentation are the norm. Employees are eligible for contributions which not only add to the company's success, but also their own through the Employee Stock Ownership Plan (ESOP). The motto, "Engineering and Science for Fun and Profit" sums up the ARA experience.
- ...Senior Data Scientist ECS is searching for an exceptional Senior Data Scientist for multiple locations to join our mission-critical team supporting our government customer in Joint Base Lewis-McChord, WA, Sneads Ferry, NC, Fayetteville, NC or Northern VA. This isn't...Senior
$99k - $225k
...Job Number: R0239434 Data Scientist, Senior The 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...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- ...Senior Data Scientist Richmond, VA or Arlington, VA At Koalafi, we believe in a world where no one has to put an important purchase on hold. That's why we're making it easier for more people to pay for big purchases over time. Retailers across the country rely...SeniorWork at officeRelocation packageFlexible hours
$99k - $225k
...Job Number: R0238138 Data Scientist, Senior The Opportunity: As an analytics professional, 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...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$99k - $225k
...Job Number: R0239434 Data Scientist, Senior The 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...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$107.9k - $195.05k
...Description This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable... ...Digital Modernization sector is seeking an experienced Senior Data Scientist to support the delivery, enhancement, and adoption of enterprise...SeniorLocal areaImmediate start$173.4k - $234.6k
...opportunity for professional growth. Find your future with us. We are looking for an experienced and technically proficient Senior Data Scientist specializing in Generative AI (GenAI) to drive the development and optimization of advanced GenAI models within BDS. This...SeniorPermanent employmentWork experience placementLive inImmediate startRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift workDay shift$173.4k - $234.6k
...Senior Data Scientist Company: The Boeing Company We are looking for an experienced and technically proficient Senior Data Scientist specializing in Generative AI (GenAI) to drive the development and optimization of advanced GenAI models within BDS. This role...SeniorPermanent employmentWork experience placementLive inImmediate startRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift workDay shift$157.5k - $192.5k
...to delivering comprehensive medication histories to facilitating messages between providers. Job Summary: The Senior Data Scientist will play a pivotal role in developing and implementing data-driven solutions across various business functions, collaborating...SeniorWork at officeLocal areaImmediate startFlexible hours- ...ICA.ai is looking for a Senior Data Science/Machine Learning Engineer to solve complex problems and enhance AI capabilities. You will implement machine learning models using Python, collaborate with teams, and optimize algorithms on cloud platforms. Ideal candidates have...SeniorRemote work
- A leading technology solutions provider in Arlington, Virginia, is seeking a senior-level professional in Data Engineering. The role involves managing system inventories, supporting data pipelines, and translating business needs into actionable data products. The candidate...SeniorRemote work
- ...Senior Data Scientist The Senior Data Scientist is responsible for developing and maintaining data analytics solutions and machine learning algorithms. As a senior role, the expectations are to mentor junior data scientists, further develop the data science lifecycle...SeniorFull time
$131.26k - $223.13k
...Description ICF seeks an experienced and cleared Senior Data Scientist to support the research and development of new cyber analytic capabilities that will help the US protect and defend its networks and critical information systems. This position will support a large...SeniorFull timeContract workWork experience placementWork at officeRemote work- ...Location: Alexandria, VA Clearance Required: Secret Overview Supports enterprise data management and planning by conducting analysis, designing data frameworks, and enabling data-driven IT decision-making. Responsibilities Conduct strategic and operational...Senior
- ...As a Senior Data Engineer focused on ML Platform capabilities, you will be responsible not only for delivering high?quality data pipelines, but for enabling data scientists, analysts, and application teams to reliably develop, deploy, and operate machine learning solutions...Senior
- ...Everforth ECS is seeking a highly skilled Senior Data Engineer with extensive experience designing, building, and maintaining data platforms and pipelines for large-scale, enterprise applications in support of the Department of Homeland Security. Tools necessary for...SeniorWork experience placementShift work
- ...Senior Data Governance Engineer This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization...Senior
- ...Senior Data Engineer General Information Requisition # 683 Locations USA-VA-Arlington Posting Date 03/20/2026 Security... ...Ability to coordinate effectively with IT teams, data scientists, and program stakeholders. Strong documentation and communication...SeniorFull timeWork at officeLocal areaRemote work
- ...opportunity, unique challenges, and clear-sighted commitment to the mission. SPA: Objective. Responsive. Trusted. As a Senior Data Engineer , you will design, build, and operate enterprise data pipelines and data models that transform operational data into secure...Senior
- ...Senior Exploitation Specialist (Data Scientist) General Information Requisition #691 Locations USA-DC Posting Date 04/28/2026 Security Clearance Required - TS/SCI + CI Poly Remote Type N/A Time Type Full time Description & Requirements...SeniorFull timeWork at officeLocal areaRemote work
- ...Senior Data Engineer This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector...Senior
$99k - $225k
Data Scientist, Senior The 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$125k - $180k
...cBEYONData + SMX is seeking a Senior Data Engineer to join our team in support of a Modernized Data Science Platform for a Federal customer. This role will support IT transformation and modernization efforts by designing, building, and delivering data-driven solutions...SeniorContract workWork experience placementH1b2 days per week- ...Position : Senior Data Engineer Location: Alexandria, VA Work Environment: Hybrid Clearance Required: Secret Status: Contingent Upon Contract Award Knowesis, Inc. is seeking a highly skilled and forward-thinking Senior Data Engineer to support the Department...SeniorContract workWork at office
- ...A dynamic tech solutions firm is seeking a Senior Data / AI Engineer to enhance a Government-owned digital twin application. The engineer will be responsible for the full data lifecycle, including data ingestion, validation, and AI integration. Ideal candidates will have...SeniorFull timeRemote work
- G0549 Politico LLC is looking for a Senior Quantitative Researcher to join their new data and analytics initiative. This role involves designing frameworks to measure market reactions to policy news and working with unique datasets that provide signals before official announcements...Senior
$92.3k - $166.85k
...Description This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders... ...Leidos Digital Modernization sector is seeking an experienced Senior Data Engineer to support the delivery, enhancement, and...SeniorLocal areaImmediate start- Elder Research Inc. seeks a motivated Senior Data Engineer to join their team in Arlington, VA. This hybrid role involves developing data pipelines for fraud detection analytics while ensuring system reliability. The ideal candidate should have extensive experience in analytics...Senior
- A dynamic engineering company is seeking a Senior Data / AI Engineer to support a government program aimed at operationalizing a digital twin application. The role involves designing data pipelines, implementing AI-decision support, and ensuring data quality for mission...SeniorRemote work
$106.9k - $176.5k
...your career wherever you want it to go. Join EY and help to build a better working world. Technology – Data and Decision Science – Data Engineering – Senior We are seeking a highly skilled Senior Consultant Data Engineer with expertise in cloud data engineering...SeniorSummer holidayFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Data Scientist. Be the first to apply!
- junior data scientist remote Alexandria, VA
- entry level data scientist remote Alexandria, VA
- data scientist Alexandria, VA
- data scientist (hedge fund) Alexandria, VA
- python data scientist (contract) Alexandria, VA
- energy data scientist Alexandria, VA
- healthcare data scientist Alexandria, VA
- python data scientist Alexandria, VA
- senior data scientist Alexandria, VA
- senior lead project manager Alexandria, VA

