Senior Threat Intelligence Researcher

About eSentire

eSentire is dedicated to hunting, investigating, and stopping cyber threats before they disrupt business operations. As a leader in Managed Detection and Response, we safeguard critical data and applications for over 2000 organizations across 80+ countries and 35 industries from various cyber threats. Our culture is built on transparency, teamwork, and continuous innovation, embodying entrepreneurship and problem-solving.

The Opportunity: Senior Threat Intelligence Researcher

We are seeking an analytical and detail-oriented Senior Threat Intelligence Researcher to join eSentire’s Threat Response Unit. Reporting to the Senior Manager, Threat Intelligence Research, you will be primarily responsible for producing data-driven threat intelligence reports. This role involves collecting, analyzing, and synthesizing extensive datasets on cyber threats, incidents, and vulnerabilities to deliver actionable insights for our clients and internal security teams. The ideal candidate thrives in dynamic environments, excels at transforming complex data into clear narratives, and is passionate about advancing cybersecurity through evidence-based research.

Key Responsibilities

• Data Collection and Analysis: Gather, process, and analyze data from internal case information, open-source intelligence (OSINT), partner feeds, and proprietary tools to identify emerging trends across the threat landscape.
• Report Development: Author high-impact, data-driven reports, including statistical analysis, visualizations, and executive summaries. Ensure all reports are clear, objective, and relevant to the intended audience.
• Threat Trend Identification: Continuously monitor global cyber threat landscapes, applying quantitative methods to detect patterns, forecast risks, and correlate incidents across various sectors such as finance, healthcare, and critical infrastructure.
• Collaboration and Stakeholder Engagement: Collaborate closely with cross-functional teams, including analysts, researchers, and incident responders, to validate findings and integrate feedback. Participate in projects aimed at streamlining data collection and analysis processes. Present research findings to internal stakeholders and clients via webinars, briefings, and whitepapers.
• Time Allocation:
  • 50% – Intelligence Processing and Reporting
  • 20% – Intelligence Dissemination
  • 20% – Project Participation
  • 10% – Threat Intelligence Escalations

Requirements

• 3+ years of experience in threat intelligence, cybersecurity research, or data analysis roles.
• Demonstrated experience in producing threat intelligence reports, particularly those focused on attack patterns and trends.
• Excellent written and verbal communication skills, with the ability to translate complex technical data into understandable insights for non-technical audiences.
• Strong critical thinking, meticulous attention to detail, and the ability to work effectively both independently and as part of a team.

Desired Qualifications

• Associate or bachelor's degree in Cybersecurity, Computer Science, Data Science, Statistics, or a related field.
• Proficiency in data analysis and processing tools such as Python, R, SQL, or similar.
• Proficiency with databases like PostgreSQL, MongoDB, Elasticsearch, or similar, for querying, managing, and analyzing large-scale threat intelligence datasets.
• Experience with threat intelligence platforms (e.g., MISP, OpenCTI, ThreatConnect) and data visualization tools (e.g., Tableau, Power BI).
• Strong understanding of cybersecurity concepts, including the MITRE ATT&CK framework, Diamond Model of Intrusion Analysis, and incident response methodologies.

Work Location & Hybrid Schedule

This role offers a hybrid schedule for candidates within 50 km of our Cork, Ireland office: work from home on Mondays and Fridays, and on-site Tuesday through Thursday. Candidates residing more than 50 km from the office will work fully remote.

Our Culture and Values

eSentire fosters an inclusive environment that celebrates diversity, mutual respect, and a variety of perspectives. We encourage all enthusiastic candidates to apply, even if they don’t meet every qualification, as diverse thoughts, cultures, backgrounds, and experiences are crucial to being a market leader.

Total Rewards

We provide a comprehensive benefits package that rewards performance and supports well-being, including health benefits, a flexible vacation plan, and participation in our company-wide equity program.

Key skills/competency

• Threat Intelligence
• Cybersecurity Research
• Data Analysis
• OSINT
• Report Writing
• Threat Trends
• MITRE ATT&CK
• Incident Response
• Python
• SQL