Senior Threat Intelligence Engineer

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Senior Threat Intelligence Engineer in Remote new

Coalition
Full time
Email

Remote
10/17/2026
Report

Portugal

Responsibilities

Drive the Zero-Day Alert process from vulnerability triage through actionable policyholder notification.
Coordinate urgent outreach with the Security Support Center, Underwriting, and Incident Response for high-severity or actively exploited vulnerabilities.
Write and refine technology fingerprints, detection rules, scanner detections, and security findings.
Maintain and expand a distributed honeypot network and analyze telemetry for exploitation and adversary techniques.
Improve detection accuracy and reduce false positives using claims insights, external datasets, and vulnerability research.
Publish security advisories, research, and briefings.
Participate in the on-call rotation for emergency notifications.

Requirements

5+ years of experience in threat intelligence, vulnerability research, penetration testing, or defensive security engineering.
Deep knowledge of network protocols, operating systems, web applications, and exploitation, including RCE, authentication bypass, and edge-device vulnerabilities.
Experience assessing vulnerabilities under time pressure and translating them into practical enterprise risk.
Hands-on experience writing scanner detections, signatures, or parsing scripts using Python, regex, and protocol fingerprints.
Experience with honeypots, deception technology, internet-wide scanning, or large security datasets.
Strong Python and SQL skills.
Excellent communication with technical and non-technical audiences.
Clear documentation or public security writing experience and the judgment to lead complex work independently.
Bonus experience with Censys, Shodan, BinaryEdge, attack surface mapping, reverse engineering, patch diffing, PoC exploit verification, VPNs, firewalls, load balancers, SCADA/ICS, public security research, CVE credits, conference talks, cyber insurance, underwriting, or risk aggregation modeling.

Benefits

100% medical, dental, and vision coverage.
Flexible PTO policy.
Annual home office stipend and WeWork access.
Mental and physical health wellness programs including One Medical, Headspace, and Wellhub.
Remote-first work environment and opportunities for advancement.

Coalition

Coalition is the world's first Active Insurance provider designed to help prevent digital risk before it strikes. By combining comprehensive insurance coverage and cybersecurity tools, Coalition helps businesses manage and mitigate potential cyber attacks. Coalition offers its Active Insurance pr...

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