• Zscaler (San Jose, CA)
    …to harness speed and agility with a cloud-first strategy. We're hiring a talented Principal Machine Learning Engineer to join our growing ML/AI team at Zscaler. ... shape the future of cybersecurity. Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. With more than… more
    DirectEmployers Association (12/17/25)
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  • Principal Security Researcher

    Palo Alto Networks (Santa Clara, CA)
    …and the kind of precision that drives great outcomes. **Your Career** The Web Security Research team is responsible for delivering high quality AI powered ... . We are looking for a motivated and creative Researcher with Machine Learning expertise to join...thinker and team player with a passion for data-driven security research , and building high quality, complex… more
    Palo Alto Networks (01/07/26)
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  • Principal Researcher (Unit 42)

    Palo Alto Networks (Santa Clara, CA)
    …response ready organization. The Unit 42 Threat Intelligence team provides threat research that enables security teams to understand adversary intent and ... the worst occurs. **Job Summary** We are seeking a Principal Threat Intelligence Researcher for our Unit...relevant, and actionable threat insights to drive business and security outcomes for our customers. The incumbent will play… more
    Palo Alto Networks (12/23/25)
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  • Principal Security Researcher

    Palo Alto Networks (Santa Clara, CA)
    …the kind of precision that drives great outcomes. **Your Career** We are seeking a security research engineer to join our pioneering security team. This role ... threat intelligence processes. + Research & Publication: Disseminate cutting-edge research findings and contribute to the security community by publishing… more
    Palo Alto Networks (01/03/26)
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  • Sr Principal Machine Learning…

    Palo Alto Networks (Santa Clara, CA)
    … posture from development through runtime. As a Senior Principal Machine Learning Engineer, you will drive research on cutting-edge areas, including ... Model Supply-Chain, Runtime AI) and the broader LLM ecosystem security . You will leverage this research to...Vision: Act as a key technical liaison to other principal engineers, architects, and product leaders to shape the… more
    Palo Alto Networks (12/18/25)
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  • Principal Machine Learning Platform…

    Palo Alto Networks (Santa Clara, CA)
    …ensuring a formidable security posture from development through runtime. As a Principal Machine Learning Inference Engineer, you will serve as a technical ... AIRS, Palo Alto Networks is building the world's most comprehensive AI security platform. Organizations are increasingly building complex ecosystems of AI models,… more
    Palo Alto Networks (11/18/25)
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  • Principal AI/ML Business Developer

    Applied Research Associates, Inc. (Cypress, CA)
    …project experience with DoD and/or commercial customers. + Experience with AI/ML research , ideally in the fields of physics-informed machine learning, computer ... **Description** Applied Research Associates, Inc. (ARA) is expanding its capabilities...the areas of signal processing, Physics informed Artificial Intelligence, Machine Learning and Software Development by providing leadership in… more
    Applied Research Associates, Inc. (01/06/26)
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  • Principal Data Scientist

    Eliassen Group (Sacramento, CA)
    …adopting new technologies and techniques. * Stay current with advancements in data science, machine learning, and AI research . * Support Agile product teams in ... ** Principal Data Scientist** **Anywhere** **Type:** Contract-to-Hire **Category:** Data...science, data analytics, or data modeling. * Experience with Machine learning, natural language processing, security , and… more
    Eliassen Group (12/30/25)
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  • Principal Applied AI Scientist

    Cisco (San Jose, CA)
    ** Principal Applied AI Scientist** **Meet the Team** Splunk, a Cisco company, is building a safer, more resilient digital world with an end‑to‑end, full‑stack ... advance the state of AI for high‑volume, real‑time, multi‑modal machine ‑generated data - including logs, time series, traces, and...time series, traces, and events. We combine deep AI research expertise with the scale and operational excellence of… more
    Cisco (12/13/25)
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  • Senior Principal Applied Scientist

    Oracle (Sacramento, CA)
    …As a Senior Principal Applied Scientist, you will contribute to the research , development, and deployment of advanced AI models, working at scale to support ... research and development projects. + Strong understanding of machine learning algorithms and architectures. + Excellent problem-solving and analytical skills.… more
    Oracle (12/22/25)
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