Senior Threat Research Engineer - Taiwan

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Senior Threat Research Engineer - Taiwan in Others

Obsidian Security
Full time
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Others
09/02/2026
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Taipei, Taiwan

Responsibilities

Establish the Taiwan detection engineering function, including technical direction, operating model, quality standards, and hiring plan.
Research cloud, identity, and SaaS threats and translate attacker behavior into actionable detection opportunities and threat models.
Design, author, test, maintain, and tune detection rules and behavioral detection models.
Define telemetry, enrichment, correlation, and historical context requirements for effective detections.
Partner with platform and data engineering teams to build scalable detection capabilities and production processing pipelines.
Develop frameworks for detection testing, simulation, coverage measurement, versioning, release management, and tuning.
Measure and improve detection precision, recall, explainability, performance, and customer value.
Investigate false positives and false negatives, identify root causes, and improve detection logic and data quality.
Map detection coverage to threat frameworks, attack techniques, product use cases, and customer risks.
Document detection intent, evidence, expected behavior, limitations, and recommended response actions.
Collaborate with Security Research, Product Management, platform engineering, data engineering, Customer Success, and global teams across Taiwan, the US, the UK, and Australia.

Requirements

Significant experience in detection engineering, threat research, security analytics, incident response, threat hunting, or a closely related security discipline.
Experience leading security research or detection initiatives and mentoring other practitioners.
Strong knowledge of attacker behavior, identity threats, cloud security, and modern enterprise SaaS environments.
Demonstrated experience developing production detections using rules, queries, correlations, statistical methods, or behavioral models.
Experience working with large security datasets such as audit events, authentication activity, identity data, application logs, or cloud telemetry.
Strong data analysis skills and proficiency with relevant query, scripting, or programming languages.
Understanding of detection lifecycle management, including research, development, validation, deployment, monitoring, tuning, and retirement.
Experience measuring detection quality and using production feedback to improve security outcomes.
Ability to communicate technical security concepts clearly to engineering, product, customer-facing, and executive audiences.
Strong written and verbal communication skills in English and the ability to collaborate across regions, time zones, functions, and cultures.
Preferred experience with identity security, SaaS security, cloud detection and response, SIEM, UEBA, EDR, XDR, MITRE ATT&CK, detection-as-code, machine learning, generative AI, real-world intrusions, incident response teams, or globally distributed APAC teams.
Mandarin proficiency is a preferred qualification.

Obsidian Security

Every enterprise runs on software it doesn't own: third-party apps, AI copilots, and agents logging in with OAuth tokens nobody's reviewing. Obsidian Security secures all of it, discovering every third-party app and AI feature connected to your business, governing risky permissions, and detecting...

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