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Senior Cybersecurity Threat Analyst

Simility, a Paypal ServiceSingapore
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Posted on: 27 Sep 2026

Job Description

Independently apply security best practices to enhance and optimize cyber threat management, ensuring robust protection and efficiency, while beginning to understand and align security measures with business objectives. Partner with peers and internal teams to drive security initiatives, contribute to cross-functional projects, and at times co-lead efforts to strengthen security posture and cyber threat management. Analyze and resolve security challenges by adapting standard cyber threat management processes and exploring alternative approaches to address complex threats. Influence the quality, efficiency, and effectiveness of the team through informed decision-making, with a potential impact on other teams. Collaborate with key partners to gather and incorporate feedback, driving continuous improvements in cyber threat management. Design, implement, and continuously tune high-fidelity detections across SIEM, EDR, and cloud-native security platforms. Correlate telemetry across diverse data sources to identify complex or multi-stage attack patterns. Own the end-to-end detection lifecycle from hypothesis and use case development through deployment, tuning, validation, and documentation. Build and enhance SOAR playbooks and automation workflows to reduce manual effort and improve response consistency. Conduct proactive threat hunting to identify anomalous behaviors, misconfigurations, and emerging attack techniques. Partner with engineering and infrastructure teams to improve logging quality, telemetry coverage, and data normalization. Identify detection gaps and drive improvements in visibility across enterprise and product environments. Participate in red and purple team exercises to validate detection effectiveness and improve resilience. Develop metrics that measure detection coverage, signal-to-noise ratio, and operational impact. Translate technical findings into clear, actionable insights for leadership and stakeholders. Translate threat actor TTPs and MITRE ATT&CK techniques into reliable, scalable detections. Maintain high signal-to-noise ratios by minimizing false positives while preserving coverage. Continuously evaluate detection effectiveness and recommend improvements. Collaborate with Incident Response to refine detection based on real-world investigations. Support strategic initiatives such as SIEM and SOAR migrations, detection standardization, and automation scaling. Contribute to detection frameworks, documentation standards, and repeatable processes to mature the program. 3+ years relevant experience and a Bachelor's degree OR Any equivalent combination of education and experience. Experience building and maintaining automation using scripting languages such as Python or PowerShell. Ability to think strategically about detection coverage, data quality, and operational efficiency.
Senior Cybersecurity Threat AnalystSimility, a Paypal Service