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2,027 Principal Data Scientist - Lead jobs in United States

  • Leidos Logo
    Leidos
    3.8
    Principal Software Engineer / Tech Lead
    Arlington, VA
    $131K - $237K (Employer provided)
    Lead, manage, and develop senior engineers and technical teams. Communicate technical vision, risks, and progress to senior leadership.…
    30d+
  • DataAnnotation Logo
    DataAnnotation
    4.0
    Principal Data Scientist - AI Trainer
    Lehi, UT
    $50.00 - $100.00 Per Hour (Employer provided)
    A bachelor's degree in a quantitative field is preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); a master's or PhD is a plus.…
    2d
  • UnitedHealth Group Logo
    UnitedHealth Group
    3.4
    Lead AI/ML Applied Scientist - Remote
    Eden Prairie, MN
    $113K - $193K (Employer provided)
    Collaborate with engineering teams to develop robust data pipelines of MLOps procedures for new solutions. PhD in Statistics, Mathematics, Computer Science or……
    30d+
  • RTX Logo
    RTX
    3.8
    Principal Systems Engineer, Technical Lead
    Tucson, AZ
    $108K - $205K (Employer provided)
    Experience and knowledge in adjacent technical disciplines such as software and configurable logic development, electrical and mechanical engineering, subsystem……
    18d
  • UnitedHealth Group Logo
    UnitedHealth Group
    3.4
    Principal Data Scientist - Remote
    Eden Prairie, MN
    $113K - $193K (Employer provided)
    You'll collaborate with world-class talent across data science, engineering, product, and healthcare domains, backed by the reach and stability of Optum and……
    30d+
  • Northrop Grumman Logo
    Northrop Grumman
    3.8
    Sr Principal Engineer Systems - Specialty Engineering Lead
    San Diego, CA
    $142K - $213K (Employer provided)
    Requirements, integration, technical configuration management (CM & Technical Baseline). Experience with managing suppliers with technical requirements and……
    18d
  • Northrop Grumman Logo
    Northrop Grumman
    3.8
    Sr Principal Software Engineer - Thread Lead
    Oklahoma City, OK
    $116K - $213K (Employer provided)
    Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 8 years of related engineering experience; OR a Master’s degree in……
    18d
  • DataAnnotation Logo
    DataAnnotation
    4.0
    Principal Data Scientist - AI Trainer
    Washington, DC
    $50.00 - $100.00 Per Hour (Employer provided)
    A bachelor's degree in a quantitative field is preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); a master's or PhD is a plus.…
    2d
  • RTX Logo
    RTX
    3.8
    Principal Systems Engineer: Solid State Transmitter Integration & Test Lead
    Tucson, AZ
    $108K - $205K (Employer provided)
    Ability to drive TRRs, manage technical risks, and maintain disciplined configuration control. Collaborate with lab leads, engineering teams, program leadership……
    5d
  • CNA Logo
    CNA
    3.9
    Principal AI Engineer
    Chicago, IL
    $97K - $189K (Employer provided)
    Expert knowledge of AI-native engineering practices, including agentic system design, LLM integration, multi-agent orchestration, and context engineering.…
    30d+
  • Northrop Grumman Logo
    Northrop Grumman
    3.8
    Sr Principal Software Engineer - Thread Lead
    San Diego, CA
    $116K - $213K (Employer provided)
    Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 8 years of related engineering experience; OR a Master’s degree in……
    18d
  • DataAnnotation Logo
    DataAnnotation
    4.0
    Principal Data Scientist - AI Trainer
    Long Island City, NY
    $50.00 - $100.00 Per Hour (Employer provided)
    A bachelor's degree in a quantitative field preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); an advanced degree (Master’s or PhD)……
    6d
  • StataDX
    Principal/Lead Systems Engineer
    Boston, MA
    $8,000 - $12,000 (Employer provided)
    This role will serve as the technical lead for instrument development, defining system architecture, owning the cartridge-reader interface, and guiding an……
    30d+
  • UnitedHealth Group Logo
    UnitedHealth Group
    3.4
    Lead AI/ML Engineer - Remote
    Schaumburg, IL
    $146K - $250K (Employer provided)
    You will serve as the technical lead for complex AI/ML initiatives, designing conversational virtual assistants and driving modern engineering practices across……
    30d+
  • General Dynamics Mission Systems Logo
    General Dynamics Mission Systems
    3.7
    Principal Systems Engineer - Integrated Product Team (IPT) Lead
    Pittsfield, MA
    $143K - $158K (Employer provided)
    Creative thinker motivated to apply technical standards and methodologies to develop solutions. An IPTL leads a cross-discipline team, manages technical,……
    9d
  • GE Vernova Logo
    GE Vernova
    3.9
    Ingénieur principal des applications/ Lead Application Engineer
    Boston, MA
    $111K - $164K (Glassdoor est.)
    Responsible for technical proposal accuracy including technical specifications & clarifications/ assumptions/ exceptions, quantifying design and deliverables,……
    30d+
  • RTX Logo
    RTX
    3.8
    Senior Principal Sub-Assembly (SUB) Integrated Product Team Lead (IPTL)
    Tucson, AZ
    $132K - $252K (Employer provided)
    You will have oversight and be expected to develop comprehensive technical monitoring for the obsolescence of this value stream.…
    5d
  • Northrop Grumman Logo
    Northrop Grumman
    3.8
    Principal/Sr. Principal Power Lead Design Engineer - 17637 &17638
    Roy, UT
    $98K - $184K (Employer provided)
    Electrical engineering experience in at least two of the following fields: electrical architecture, power system and power equipment design, development and……
    18d
  • UnitedHealth Group Logo
    UnitedHealth Group
    3.4
    Lead AI/ML Engineer - Remote
    Eden Prairie, MN
    $146K - $250K (Employer provided)
    You will own the technical direction and people leadership for a squad of AI/ML engineers, driving strategic engineering efforts. Join us to start Caring.…
    24d
  • RTX Logo
    RTX
    3.8
    Principal Sensor Calibration Lead
    Tucson, AZ
    $108K - $205K (Employer provided)
    Our core electrical engineering responsibilities include architecture, analysis, requirements, integration, and test. Knowledge of mixed-signal electronics.…
    24h
  • Northrop Grumman Logo
    Northrop Grumman
    3.8
    Sr. Principal Electronics Engineer – Hardware/Infrastructure Lead
    San Diego, CA
    $142K - $213K (Employer provided)
    Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 8 years of related engineering experience; OR a Master’s degree in……
    18d
  • The Options Clearing Corporation Logo
    The Options Clearing Corporation
    2.3
    Lead Associate Principal, Cloud Engineering
    Chicago, IL
    $143K - $228K (Employer provided)
    In addition, you will provide technical guidance to the team and, when called upon, serve as a technical liaison between internal departments.…
    30d+
  • UnitedHealth Group Logo
    UnitedHealth Group
    3.4
    Lead AI/ML Engineer - Remote
    Eden Prairie, MN
    $146K - $250K (Employer provided)
    Bachelor's degree in Computer Science (or related field) or 4+ years of equivalent software engineering experience.…
    30d+
  • DataAnnotation Logo
    DataAnnotation
    4.0
    Principal Data Scientist - AI Trainer
    Moline, IL
    $50.00 - $100.00 Per Hour (Employer provided)
    A bachelor's degree in a quantitative field is preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); a master's or PhD is a plus.…
    2d
  • UnitedHealth Group Logo
    UnitedHealth Group
    3.4
    Lead AI ML Engineer - Remote
    Eden Prairie, MN
    $146K - $250K (Employer provided)
    Bachelor's degree in Computer Science (or related field) or 4+ years of equivalent software engineering experience.…
    25d
  • ASGN Incorporated Logo
    ASGN Incorporated
    3.5
    Principal Physical Design Engineering Lead ($400-500k)
    Fort Collins, CO
    $230K (Employer provided)
    Hands on experience in physical design or STA, along with EDA tools and flows covering physical design, logic simulation, test, and packaging.…
    20d
  • RTX Logo
    RTX
    3.8
    Principal Power Systems Integration Engineer (Power Lead)
    Tucson, AZ
    $108K - $205K (Employer provided)
    Collaborate with systems engineering, electrical design teams, and program management to ensure seamless integration of power systems within the overall system……
    18d
  • RTX Logo
    RTX
    3.8
    Principal Systems Engineer - Production Maturation Lead (Onsite)
    Tucson, AZ
    $108K - $205K (Employer provided)
    Proven experience solving RF / mixed‑signal technical problems in production and driving compliant dispositions. Raytheon and RTX Production Acumen and Systems.…
    18d
  • CSL Plasma Logo
    CSL Plasma
    3.0
    Principal, Clinical Data Management Lead
    King of Prussia, PA
    $170K - $201K (Employer provided)
    Drives cross-functional alignment by partnering with Biostatistics, Data Management, Standards, and external partners to ensure consistent understanding and……
    30d+
  • Collins Aerospace Logo
    Collins Aerospace
    3.7
    Principal Software Lead Engineer - Embedded Communications (ONSITE)
    Cedar Rapids, IA
    $108K - $205K (Employer provided)
    Our software engineering teams regularly utilize a variety of skills, including requirements analysis, synthesis of new and existing architectures that meld……
    30d+
Leidos Logo

Leidos

3.8

Principal Software Engineer / Tech Lead

Arlington, VA
$131K - $237K (Employer provided)