About Us We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We’re driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people. How We Work At Proofpoint, you’ll be part of a global team that breaks barriers to redefine cybersecurity, guided by our BRAVE core values Bold in how we dream and innovate, Responsive to feedback, challenges, and opportunities, Accountable for results and best-in-class outcomes, Visionary in future-focused problem-solving, Exceptional in execution and impact. Overview At Tessian, we protect the human layer in email security. As a Threat Intelligence Researcher, you’ll play a critical role in analyzing and understanding advanced email threats, uncovering attacker tactics, and strengthening the defenses that keep our customers safe. You’ll bring a threat intelligence background combined with technical expertise and curiosity to stay ahead of evolving attacks. In this role, you’ll have a direct impact on Tessian’s products while working closely with Data Science, Engineering, and the Threat Intelligence Lead as part of a growing cross-functional team. Key Responsibilities Analyze advanced email attacks to understand the tactics and techniques used to bypass defenses. Translate insights from malicious emails into new detections using our threat intelligence infrastructure. Label and categorize threats to support research and refine our detections. Collaborate closely with other engineering teams to improve detection accuracy and efficacy. Partner with the Inbound Product team to enhance the customer experience and response workflows. Write code in Python and use SQL to query and interpret datasets. Contribute to internal blogs and briefings, sharing emerging threats and showcasing the team’s work across the organization. Qualifications & Skills Experience in a security-focused role with, ideally with experience in an email security field. Ability to break down ambiguous problems into structured, actionable solutions. Hands-on skills with Python and SQL for analysis and research. Strong communication skills with the ability to clearly explain technical concepts to both technical and non-technical audiences. Enjoyment for solving complex challenges. Clear communicator with a professional presence, who takes a high degree of ownership over their work. Has strong listening skills; open to input from other team members and departments. Works well in a team environment and has strong collaboration skills. Why Proofpoint? At Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you’ll love working with us Competitive compensation Comprehensive benefits Learning & Development We are committed to the growth and development of our team members, offering a range of programs including leadership and professional development workshops, stretch project assignments, and mentoring opportunities to help employees reach their full potential. Flexible work environment [Remote options, hybrid schedules, flexible hours, etc.]. Annual wellness and community outreach days Always on recognition for your contributions Global collaboration and networking opportunities Our Culture Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone. We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to accessibility@proofpoint.com. How to Apply Interested? Submit your application here https //www.proofpoint.com/us/company/careers. We can’t wait to hear from you!