Demo

Senior Cybersecurity Data Scientist

Jobs via Dice
Fairfax, VA Full Time
POSTED ON 1/4/2026
AVAILABLE BEFORE 2/1/2026
Job Description

ECS is seeking a Senior Cybersecurity Data Scientist to work in our Fairfax, VA office.

The Senior Cybersecurity Data Scientist is driven by an interest in solving complex business and cyber security problems through data exploration and analysis. They are highly analytically minded and have a robust technical tool kit. They have substantial experience in analytics with a portfolio of successfully executed models. The Senior Data Scientist will be responsible for executing all steps in the modeling process to produce high quality, reproducible results. They will work with cyber security analysts, other data scientists, and data engineers to support the development of processes and technologies that solve cybersecurity problems. They will also be responsible for leading and managing team members to produce holistic data science solutions leveraging best practices in development and data science.

The Data Scientist is expected to be an expert in Artificial Intelligence, Machine Learning, and Data Science. They will be responsible for using data science, statistics, and mathematical methods to solve cybersecurity problems. These models will drive innovative solutions that bring value to cybersecurity organizations. Candidates will be able to thoroughly define a problem statement that addresses cybersecurity requirements, develop an algorithmic approach to solving the problem, and then execute data and algorithmic refinement to create a solution.

The Data Scientist will be involved in all aspects of developing a data science solution. The Data Scientist will work with Data Engineers, Data Scientists, DevSecOps Engineers. and Cybersecurity Analysts to ensure that a clear cybersecurity problem is being addressed and that the solution addresses the problem. Good interpersonal skills are required alongside technical skills to manage these critical relationships. The Data Scientist will lead a team building a complete solution from data collection to action.

Required Skills

  • Proficient in Python.
  • Knowledgeable in at least two of the following scripting languages: Bash, PowerShell, JavaScript.
  • Experience using version control systems such as Git.
  • Ability to engage multiple stakeholders for data and operational access.
  • Linux and Bash/Command Line experience.
  • MS or PhD in Data Science, Statistics, Mathematics, or related technical field with 4 years in Data Science related field.
  • 4 years experience using statistical computer languages (R, Python, etc.) to manipulate data and draw insights from large data sets.
  • Knowledge of a variety of machine learning techniques (clustering, decision tree learning, artificial neural networks, etc.) and their real-world advantages/drawbacks.
  • Visualization skills using R, Python or other languages and frameworks.
  • Knowledge of advanced statistical techniques and concepts (regression, properties of distributions, statistical tests and proper usage, etc.) and experience with applications.
  • Experience performing data analysis including applying statistics.
  • Maker mindset, coachable, and have an urge to learn/master new technologies and fields.
  • Strong problem-solving skills and critical thinking ability.
  • Strong collaboration and communication skills within and across teams.
  • Excellent verbal and written communication skills with experience presenting to large and small audiences
  • Up to 10% travel may be required.

Desired Skills

  • Top Secret/SCI clearance eligible.
  • Previous federal experience
  • Cloud experience, AWS preferred
  • Kubernetes and DevSecOps experience with CI/CD pipelines
  • DoD BigBang and/or PlatformOne experience
  • Elasticsearch
  • Neo4j or other graph databases
  • Airflow and/or other Data Engineering/Pipeline technologies
  • Experience with NLP technologies such as relationship extraction, transformers
  • Excellent verbal and written communication skills with experience presenting to large and small audiences
  • Experience in Agile development methodologies
  • Analytics, Big Data, and other technical certification(s)
  • Software development background in general purpose languages such as Java, C#, Python, Go, Julia, C, C , Rust, etc.
  • Big Data Architecture experience
  • Cybersecurity knowledge/experience
  • 4 years experience developing and operating data platforms in support of Business Intelligence, Data Science, Machine Learning/Artificial Intelligence and Cloud/Hybrid Computing.

ECS is an equal opportunity employer and does not discriminate or allow discrimination on the basis any characteristic protected by law. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, or local jurisdiction law.

ECS is a leading mid-sized provider of technology services to the United States Federal Government. We are focused on people, values and purpose. Every day, our 3800 employees focus on providing their technical talent to support the Federal Agencies and Departments of the US Government to serve, protect and defend the American People.

Salary.com Estimation for Senior Cybersecurity Data Scientist in Fairfax, VA
$128,942 to $160,031
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