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Lead Data Scientist TS/SCI with Poly Required

Deloitte

Salary not specified
Sep 20, 2025
Chantilly, VA, USA • Arlington, VA, USA
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Deloitte is seeking a cleared Data Engineer to transform technology platforms, drive innovation, and help make a significant impact on clients’ success, specifically supporting a client in Chantilly, VA, in the area of national security.

Requirements

  • 7 + years of experience in Data Analytics, Data Science, and Data Engineering.
  • 5 + years of experience in Advanced Python coding, and modeling.
  • 2 + years of experience working with NumPy, Panda, and Spark.
  • 4 + years of experience building, testing, and optimizing AI/ML solutions (Preferred).
  • Active Python certification (Preferred).
  • Previous Federal Consulting and/ or professional services experience (Preferred).
  • Previous experience presenting to clients or other decision makers to present ideas to various audiences (technical and non-technical) (Preferred)

Responsibilities

  • Develop, implement, and maintain data pipelines to process and analyze large, complex datasets in support of the client mission.
  • Apply advanced data science techniques—including supervised and unsupervised machine learning, spatial analysis, and time-series modeling—to extract actionable insights for mission-critical operations.
  • Build, test, and optimize analytic methodologies and AI/ML solutions for integration into user-facing technical tools.
  • Collaborate directly with client stakeholders and mission operations teams to understand requirements, present findings, and tailor analytic solutions to evolving needs.
  • Document code, workflows, and analytic processes following best practices to ensure reproducibility, transparency, and knowledge sharing within the team.
  • Prepare and deliver clear, concise technical briefings and presentations to audiences ranging from technical peers to senior leadership and non-technical stakeholders.
  • Respond rapidly to high-priority analytic requests, adapting to shifting mission priorities while maintaining high standards of technical rigor and communication.

Other

  • Bachelor’s degree.
  • Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future.
  • Active TS/SCI with Polygraph security clearance required.
  • Ability to travel 10-50%, on average, based on the work you do and the clients and industries/sectors you serve.
  • Ability to work fully onsite at the client’s designated location – Chantilly, VA.