Senior Threat Detection Engineer
Sumitomo Mitsui Banking Corporation16 days ago
Tralee, IrelandStaff+
Responsibilities
- Design, develop, test, tune, deploy, and maintain enterprise-scale threat detections.
- Translate threat intelligence, attack techniques, incident findings, and cyber risks into actionable detection use cases.
- Validate detection effectiveness through threat simulations, testing exercises, historical analysis, and operational reviews.
- Improve detection quality by reducing false positives, enhancing alert fidelity, and identifying telemetry gaps.
- Assess monitoring coverage and telemetry quality across cloud, endpoint, identity, network, infrastructure, and application environments.
- Provide technical guidance on telemetry onboarding, security analytics, and monitoring architecture.
- Promote Detection as Code, automation, version control, testing frameworks, and repeatable engineering practices.
- Develop metrics and reporting for detection coverage, effectiveness, and program maturity.
- Support audits, regulatory reviews, and cybersecurity control assessments.
- Influence technical direction and act as a subject matter expert in threat detection, monitoring strategy, and security analytics.
- Partner with cross-functional stakeholders and mentor engineers and analysts.
Requirements
- 7+ years of cybersecurity experience with strong expertise in threat detection engineering, security operations, security analytics, or incident response.
- Proven experience designing, developing, tuning, and maintaining enterprise security detections.
- Strong understanding of security telemetry across cloud, endpoint, identity, network, infrastructure, and application environments.
- Experience with SIEM, EDR, UEBA, SOAR, and other security monitoring technologies.
- Knowledge of automation, scripting, version control, Detection as Code, and threat-informed defense methodologies.
- Strong knowledge of the MITRE ATT&CK framework.
- Demonstrated ability to influence technical direction, collaborate across teams, and mentor engineers.
- Excellent communication, stakeholder management, analytical, and problem-solving skills.
- Preferred experience with cloud security monitoring and detection engineering.
- Preferred experience with CI/CD, automated testing, and software engineering practices.
- Preferred experience supporting audits, regulatory examinations, or security assessments in regulated environments.
- Experience in threat hunting, threat intelligence, incident response, purple teaming, security architecture, and/or relevant cybersecurity certifications is preferred.
Benefits
- Hybrid workforce model with work-from-home flexibility and required attendance at the Tralee office weekly.
- Employees must live within a reasonable commuting distance of their office location.
- Reasonable accommodations are available during the application process for applicants with disabilities.
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About Sumitomo Mitsui Banking Corporation
Sumitomo Mitsui Banking Corporation provides corporate, investment, and commercial banking services—such as lending, capital markets, global trade finance, treasury/FX, and transaction banking—to corporate, institutional, and consumer clients. Headquartered in Tokyo, it is the core banking subsidiary of Sumitomo Mitsui Financial Group (SMFG), one of Japan’s three major banking groups, whose shares trade in Tokyo and as NYSE ADRs (SMFG). SMBC serves clients through a network spanning nearly 40 countries.