Proofpoint

Senior Threat Intelligence Researcher

Cork, Ireland Full time

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!