Proofpoint

Senior Threat Researcher – AI

Proofpoint

full-time

Posted on:

Location Type: Remote

Location: United States

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Tech Stack

About the role

  • Hunt and analyze attack chains including phishing, BEC, account takeover, malware, and other threats, with a focus on campaigns that exploit or target AI systems.
  • Track and profile threat actors, campaigns, and infrastructure over time, building high-fidelity models of adversary activity.
  • Identify emerging trends, tactics, techniques, and tooling used by adversaries, and articulate their potential impact on customers and verticals.
  • Provide actionable findings to detection, product, and engineering teams to improve customer protection and inform AI-driven defense strategies.
  • Collaborate with engineering teams developing Proofpoint’s agentic AI solutions, ensuring security considerations are integrated and AI capabilities are leveraged effectively in research workflows.
  • Explore and apply modern AI techniques to augment threat research, including clustering, attribution, campaign discovery, and prioritization.
  • Occasionally deliver technical briefings to customers, user groups, and internal or external stakeholders.
  • Collaborate on research projects with the wider threat research team and cross-functional AI security initiatives.
  • Work effectively as part of a global, remote-first team using chat, video, and asynchronous collaboration tools.

Requirements

  • Proven experience in cybersecurity, threat intelligence, incident response, or related fields.
  • Strong foundation in threat research, cybercrime, fraud, or adversary-focused security work, with hands-on experience analyzing real-world attacks.
  • Well-rounded understanding of the modern threat landscape, including phishing, BEC, account takeover, malware, and other email-borne threats.
  • Practical working knowledge of modern AI technologies, including LLM frameworks, agentic AI systems, and AI-assisted tools.
  • Experience building or experimenting with simple agentic AI applications leveraging LLM frameworks, MCP servers; AI engineering experience.
  • Ability to translate complex technical findings into actionable insights and risk narratives for customers, internal teams, and executives.
  • Strong written and verbal communication skills.
  • Collaborative mindset, capable of working closely with detection, product, and engineering teams.
  • Participation in the information security community, such as published papers, blogs, conference presentations, or open-source contributions.
  • Proficiency or native-level fluency in German is a strong plus.
Benefits
  • Competitive compensation
  • Comprehensive benefits
  • Career success on your terms
  • Flexible work environment
  • Annual wellness and community outreach days
  • Always on recognition for your contributions
  • Global collaboration and networking opportunities
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
cybersecuritythreat intelligenceincident responsethreat researchcybercrimefraud analysisAI technologiesLLM frameworksagentic AI systemsAI engineering
Soft Skills
communication skillscollaborative mindsetability to translate technical findingsstrong written skillsstrong verbal skills