--- title: 'Senior Threat Research Engineer – Taiwan at Obsidian Security' canonical: 'https://feeny.ai/job/senior-threat-research-engineer-taiwan-obsidian-security-taipei-zv5cvxn9ksb5' type: 'job' last_seen: '2026-09-07' --- # Senior Threat Research Engineer – Taiwan at Obsidian Security - **Company:** Obsidian Security - **Location:** Taipei, Taiwan - **Posted:** 2026-09-02 - **Last confirmed live:** 2026-09-07 - **Apply:** https://job-boards.greenhouse.io/obsidiansecurity/jobs/5414562008 ## Job description Obsidian Security is the leading SaaS security platform, trusted by global enterprises like Snowflake, T-Mobile, and Algolia. We protect 200+ organizations across North America, Europe, the Middle East, Southeast Asia, Australia, and New Zealand, including many of the world’s largest Fortune 1000 and Global 2000 companies. Founded in 2017 and backed by top investors like Greylock, Obsidian was built to close a critical gap: securing SaaS apps where business happens—Microsoft 365, Salesforce, and hundreds more. The company does this by offering a complete SaaS security platform to reduce risk, detect and respond to threats, and prevent breaches at the source. Obsidian was built by leaders who redefined endpoint and identity security at CrowdStrike, Okta, Cylance, and Carbon Black. Now, they’re transforming how SaaS is secured. With AI driving rapid SaaS growth and complexity, agentic AI tools gain privileged access to sensitive data through integrations, creating new risks most security tools miss. Obsidian uniquely detects anomalous OAuth token activity and manages integration risks. Major announcements are on the horizon. Recognizing that SaaS security needs to evolve, Obsidian enables growing organizations to start with a lightweight, prevention-focused browser extension and expand coverage over time. With global momentum, a growing partner ecosystem including SentinelOne, Databricks, and Google Cloud, and a major fundraise ahead, Obsidian is scaling rapidly toward long-term growth and IPO readiness. Senior Threat Research Engineer – Taiwan ## About the Role Obsidian Security is looking for a Senior Threat Research Engineer to establish detection engineering capabilities within our growing Taiwan organization. You will lead the development of security detections that identify identity threats, malicious activity, risky behavior, and emerging attack patterns across cloud and SaaS environments. The role combines threat research, detection modeling, data analysis, rule authoring, and production engineering. You will work closely with Security Research, Product Management, platform engineering, data engineering, and Customer Success to translate real-world threats into accurate, explainable, and operationally effective detections. You will work on directly contributing to threat models, detection logic, investigations, and validation. ## What You’ll Do - Work within detection engineering function in Taiwan, including its technical direction, operating model, quality standards, and hiring plan. - Research cloud, identity, and SaaS threats and translate attacker behaviors into actionable detection opportunities. - Develop threat models covering attack paths, adversary techniques, identity misuse, suspicious activity, and control failures. - Design, author, test, and maintain detection rules and behavioral detection models. - Define the telemetry, enrichment, correlation, and historical context required to support 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 ongoing tuning. - Measure and improve detection precision, recall, explainability, performance, and customer value. - Investigate false positives and false negatives, identify their root causes, and improve detection logic and underlying data quality. - Map detection coverage to relevant threat frameworks, attack techniques, product use cases, and customer risks. - Monitor the evolving threat landscape and rapidly develop coverage for new techniques and vulnerabilities. - Partner with Product Management and Customer Success to understand customer environments, workflows, and detection requirements. - Create clear documentation explaining detection intent, supporting evidence, expected behavior, limitations, and recommended response actions. - Collaborate with teams across Taiwan, the US, the UK, and Australia to build a unified global detection program. ## What We’re Looking For - 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, including audit events, authentication activity, identity data, application logs, or cloud telemetry. - Ability to distinguish malicious behavior from legitimate activity and translate that reasoning into precise, maintainable detection logic. - 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. - Ability to collaborate effectively across regions, time zones, functions, and cultures. ## Nice to Have - Experience with identity security, SaaS security, cloud detection and response, SIEM, UEBA, EDR, or XDR products. - Deep familiarity with identity-based attacks, including account takeover, session abuse, privilege escalation, persistence, and lateral movement. - Experience with MITRE ATT&CK or similar threat-modeling and coverage frameworks. - Experience building detection-as-code systems, rule languages, detection engines, or automated validation frameworks. - Experience applying machine learning, anomaly detection, or generative AI to security problems. - Experience investigating real-world intrusions or working directly with incident response teams. - Experience building or scaling a detection engineering team. - Experience working in Taiwan or with globally distributed APAC teams. - Mandarin proficiency. What Success Looks Like - Obsidian has a disciplined and scalable detection engineering capability in Taiwan. - New threats are converted into production-quality detections quickly and reliably. - Detection coverage, quality, and customer impact can be measured and continuously improved. - False positives are controlled without sacrificing meaningful threat coverage. - Detection engineers, researchers, and platform teams work through a clear and effective development lifecycle. - Customers receive timely, explainable, and actionable security findings. ## About Obsidian Security ## Company Overview - **One-liner**: Obsidian Security provides an end-to-end AI and SaaS security platform that gives enterprises continuous visibility, runtime guardrails, and audit-ready evidence across human, agentic, and non-human activity. - **Entity Type**: Private (Series B) - **Headquarters**: Palo Alto, California, USA - **Founded**: 2017 - **Founders**: Glenn Chisholm (Co-Founder & CTO) and other co-founders including Brian Murphy (Co-Founder & Chief AI Officer) ## Core Business - **Primary industry/industries**: Cybersecurity (SaaS Security Posture Management, AI Security Posture Management, Identity Threat Detection and Response) - **Target customers**: B2B, Enterprise – Fortune 1000 and Global 2000 companies (e.g., Snowflake, T-Mobile, Pure Storage) across financial services, telecommunications, healthcare, manufacturing, hospitality, and entertainment. - **Mission statement**: “Be the trust layer for enterprise AI adoption – enabling every organization to embrace the power of SaaS and AI without fear, confusion, or compromise.” ## Products & Services - **SaaS Security Posture Management (SSPM)**: Unified visibility into misconfigurations, access drift, and compliance gaps across third-party enterprise applications (Salesforce, Workday, Microsoft 365, ServiceNow, etc.). - **AI Security Posture Management (AISPM)**: Full visibility into every AI agent and GenAI application in the environment, including access, behavior, and data exposure. - **Identity Threat Detection and Response (ITDR)**: Runtime detection of threats across humans, connected apps, and AI agents, with response capabilities to prevent incidents. - **SaaS Supply Chain Resilience**: Reduces risky integrations, detects third-party threats early, and contains blast radius from vendor breaches. - **Self-learning AI + Knowledge Graph**: Real-time, normalized mapping of every identity, access event, activity, and risk across the entire SaaS and AI estate. ## Market Standing - **Valuation/Market Cap**: Not disclosed (private) - **Key Metric**: Total Funding – **$90M (Series B)** raised from top investors. - **Notable Investors/Partners**: - Investors: Greylock Partners, Norwest Venture Partners, IVP, GV (Google Ventures), Menlo Ventures, SYN Ventures, Wing Venture Capital. - Board members include Venky Ganesan (Menlo Ventures), Asheem Chandna (Greylock), Gaurav Garg (Wing Venture Capital). - Ecosystem partners: SentinelOne, Databricks, Google Cloud. - **Growth Signals**: - Protects more than **200 organizations** across North America, Europe, Middle East, Southeast Asia, Australia, and New Zealand. - Customer roster includes **2 of top 3 financial services firms**, **3 of top 5 telecom carriers**, **6 of top 10 hospitality/entertainment companies**, **7 of top 10 manufacturers**, **10 of top 12 healthcare providers**. - Expanded from SaaS security to AI security in 2025; strong global momentum and a new fundraise on the horizon. - Headcount likely growing (34 open positions as of search date). ## Competitive Advantages - **Network Effects**: Every live customer threat and signal feeds a shared model, sharpening detections across all customers before they become incidents. - **Knowledge Graph Technology**: Unified, normalized, real-time mapping of all identities, access events, and risks across the entire SaaS and AI estate – a data foundation competitors lack. - **SaaS-native & AI-native**: Purpose-built for environments where data lives in third-party apps and AI agents, not behind a firewall. - **Team Expertise**: Leadership team includes category-defining security veterans from CrowdStrike, Okta, Cylance, and Carbon Black. ## Strategic Focus - **Scaling globally** with growing partner ecosystem and a major fundraise expected. - **Deepening AI Security** as enterprises connect AI tools and agents to sensitive data. - **Expanding coverage** across non-human identities (service accounts, API tokens, AI agents) which now outnumber human identities in enterprise application estates. - **Continuing to build the "trust layer"** that enables safe AI adoption at scale. ## Why Work Here - **Culture**: Described as a passionate team “optimizing for impact” by solving big cybersecurity challenges. Values include customer obsession, ownership, delivery excellence, and data ethics (the “Obsidian C.O.D.E.”). - **Remote/Hybrid/Office**: Headquarters in Palo Alto, CA. Many roles appear location-specific (e.g., Principal Product Security Engineer, Staff Enterprise Security Engineer – Palo Alto). Expected hybrid/on-site presence. - **Notable Benefits** (US employees): - Competitive compensation with equity and 401k. - Comprehensive healthcare (medical, dental, vision). - 12 weeks of new parent or family leave. - Flexible paid time off and paid holiday time off. - Personal and professional development resources. - **Growth Opportunity**: Highly funded, fast-growing cybersecurity startup backed by top-tier VCs; opportunity to shape a new category (SaaS+AI security) while working with elite enterprise customers. ## Sources 1. [Obsidian Security – Company Website](https://www.obsidiansecurity.com/) 2. [Obsidian Security – Who We Are](https://www.obsidiansecurity.com/company) 3. [Obsidian Security – Careers](https://www.obsidiansecurity.com/careers) 4. [Obsidian Security – Job Board (Greenhouse)](https://job-boards.greenhouse.io/obsidiansecurity) 5. [Obsidian Security – LinkedIn](https://www.linkedin.com/company/obsidiansecurity) ## Other roles at Obsidian Security - [Chief Information Security Officer (CISO)](https://feeny.ai/job/chief-information-security-officer-ciso-obsidian-security-palo-alto-57e8d19hwxmy) — Palo Alto, CA - [AI Security Engineer - Taiwan](https://feeny.ai/job/ai-security-engineer-taiwan-obsidian-security-taipei-wk0jm24v0d1p) — Taipei, Taiwan - [Threat Intelligence Lead](https://feeny.ai/job/threat-intelligence-lead-obsidian-security-palo-alto-hahqcyafp45j) — Palo Alto, CA - [Senior Customer Marketing Manager](https://feeny.ai/job/senior-customer-marketing-manager-obsidian-security-united-states-kh414n3n0qfr) — United States - [Staff Software Engineer](https://feeny.ai/job/staff-software-engineer-obsidian-security-philadelphia-pennsylvania-6njd18yg6m4h) — Philadelphia Pennsylvania, United States - [Staff IT Systems Engineer](https://feeny.ai/job/staff-it-systems-engineer-obsidian-security-palo-alto-tff4x32ksmcn) — Palo Alto, CA - [Senior Support Engineer](https://feeny.ai/job/senior-support-engineer-obsidian-security-united-states-east-central-cs43h8m197jp) — United States (East/Central) - [Head of GTM Enablement](https://feeny.ai/job/head-of-gtm-enablement-obsidian-security-united-states-x5r0qpswet4m) — United States - [Software Engineer - AI Security Product](https://feeny.ai/job/software-engineer-ai-security-product-obsidian-security-palo-alto-zxs177dcy29z) — Palo Alto, CA - [Site Reliability Engineer](https://feeny.ai/job/site-reliability-engineer-obsidian-security-palo-alto-fvbnpr0dxv8k) — Palo Alto, CA