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Principal Research Scientist

Two Six Technologies

$158,141 - $237,211
Sep 5, 2025
Arlington County, VA, US
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Two Six Technologies is seeking a Principal Research Scientist to drive business development for and lead technical program delivery in new R&D projects in AI/ML, applied statistics, and advanced analytics. Applications may include cybersecurity, CBRNE, national health, formal methods, and broader DoD challenges.

Requirements

  • Mastery of several different subfields and approaches within AI/ML and statistical analysis; demonstrated ability to reason over the tradeoffs when choosing modeling approaches
  • Ability to write and review R, Python, or SQL code; fluency and comfort with git, CI/CD practices
  • Past experience in model verification and validation
  • Interest in building out a capability in some aspect of Trusted AI (safety, privacy, bias, etc.)
  • Ability to collaborate across disciplines and business units to bring innovative AI and analytics solutions to support capabilities and needs across the organization
  • Experience developing and writing solutions for customers in a wide range of domains and applications
  • Works well in and fosters a culture of respect, curiosity, humility and excellence

Responsibilities

  • Identify, shape, and propose to AI and advanced analytics programs, including building trusted relationships with sponsors, leading technical writing, and developing innovative solutions
  • Serve as a technical expert in a variety of AI, statistical, and analytics methodologies on a variety of programs and proposals
  • Perform as technical lead on interdisciplinary projects; mentor junior team members on both technical and non-technical skills
  • Collaborate effectively with other business units to help them craft innovative AI and analytics solutions tailored to their needs
  • Able to step in and contribute technically as needed on a wide range of subjects and domains
  • Experience leading both AI / analytics researchers (including PhDs), practitioners, and software engineers on government contracts
  • Experience in project planning, agile development, and a variety of sprint management methods

Other

  • Experience in winning and delivering new R&D programs while growing new capabilities in a team
  • Holds significant relationships with key personnel in DARPA, other DOD research agencies, and broader government or private-sector sponsors
  • Ten or more years of professional experience in a CS, Mathematics, Statistics or related field
  • Strong and flexible communication that adapts to the specific needs of the audience
  • Active Top Secret security clearance