Senior Lead Detection Engineer (Threat Hunting, Intel & Use Case Management)

The NETS Group is a leading payments services group, enabling digital payments for merchants, consumers and banks across the entire payments value chain. 

 

The Group operates Singapore’s national debit scheme enabling customers of DBS Bank/POSB, HSBC, Maybank, OCBC Bank, Standard Chartered Bank and UOB to make payments using their ATM cards or mobile devices at more than 130,000 acceptance points in the country as well as online payments.

Key Responsibilities

Detection Engineering & Security Monitoring

Design, develop, and tune high-fidelity detection use cases across SIEM, EDR, NDR, and cloud security platforms.

Build detection logic mapped to MITRE ATT&CK, focusing on reducing dwell time and false positives.

Drive Detection-as-Code practices, leveraging automation, version control, and CI/CD pipelines.

Continuously improve use-case coverage based on threat intelligence, incidents, and red/purple team outcomes.

Evaluate and onboard new security telemetry sources to enhance visibility.

Threat Hunting

Lead proactive, hypothesis-driven threat hunting campaigns across endpoints, network, cloud, and identity systems.

Investigate anomalous behaviors and identify stealthy adversary activities that bypass automated detections.

Develop reusable hunting playbooks and analytics.

Collaborate with Incident Response to transition hunts into confirmed incidents and detection improvements.

Threat Intelligence

Operationalize threat intelligence (strategic, tactical, and operational) into actionable detection use cases.

Track and profile threat actors targeting financial services / payment ecosystems.

Integrate intelligence feeds into detection pipelines and SOC workflows.

Produce intelligence-driven insights and advisories for stakeholders.

Leadership & Technical Oversight

Serve as a technical lead and mentor for SOC analysts and junior detection engineers.

Set standards for detection quality, triage effectiveness, and threat coverage.

Partner with Red Team/Purple Team to validate detection capabilities.

Act as an escalation point for complex investigations and advanced threat scenarios.

Automation & Engineering

Develop scripts and tooling (Python, PowerShell, etc.) to automate detection, enrichment, and response workflows.

Integrate with SOAR platforms to improve SOC efficiency.

Drive telemetry normalization and data quality improvements.

Stakeholder Engagement

Work closely with IT, Cloud, DevOps, Fraud, and Risk teams to improve enterprise visibility.

Provide clear technical reporting and metrics to leadership.

Support regulatory and audit requirements relevant to security monitoring.

Required Qualifications & Experience

10–15+ years of cybersecurity experience, with at least:

5+ years in detection engineering / threat hunting / SOC engineering

3+ years in a lead or senior technical role

Strong experience with:

SIEM platforms 

EDR/XDR solutions 

Threat hunting methodologies and tooling

Agentic AI, LLM

Deep understanding of:

MITRE ATT&CK framework

Adversary tactics, techniques, and procedures (TTPs)

Experience with:

Cloud security monitoring (AWS, Azure, GCP)

Identity threat detection (e.g., Azure AD, IAM abuse)

Detection & Alerting  Use Case Management

Strong scripting/programming skills:

Python, PowerShell, or equivalent

Experience in financial services, fintech, or payment environments is highly preferred

Familiarity with:

Detection engineering lifecycle

Data analytics and log pipelines

SOAR and automation frameworks

Preferred Certifications

GIAC (GCFA, GCDA, GCTI, GPEN)

CISSP, CISM

Microsoft SC-200 / Azure security certifications

Elastic(or equivalent SIEM certifications)

Key Competencies

Deep technical expertise with hands-on capability

Analytical and investigative mindset

Strong leadership and mentoring skills

Ability to translate intelligence into actionable detection

Strong communication and stakeholder management

Continuous improvement and engineering mindset

What Success Looks Like

Measurable reduction in MTTD and false positives

Increased detection coverage aligned to MITRE ATT&CK

Proactive identification of previously unknown threats

Mature, scalable Detection Engineering program

Strong collaboration across SOC, IR, and Red Team functions

Network for Electronic Transfers (Singapore) Pte Ltd.