Senior Cyber Defense & Incident Response Lead

Jobline Resources Pte Ltd; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Jobline Resources Pte Ltd is seeking an Enterprise Cyber Security professional to serve as the focal point during cyber incidents and to lead threat hunting across enterprise infrastructure. You will coordinate with SOC, CISO, and vendor teams, triage incidents, and drive post-incident reviews.

The role requires 7+ years in cybersecurity operations, strong incident response expertise, and hands-on experience with top security tools.

Qualifications

• Bachelor’s degree or diploma in cybersecurity, IT, CS, engineering, or a related field.
• Minimum 7 years in cybersecurity operations, incident response, threat hunting, SOC operations, or related roles.
• Strong understanding of the incident response lifecycle (detection, triage, containment, eradication, recovery, post-incident review).

Responsibilities

• Act as the Enterprise Cyber Security focal point during cyber incidents, coordinating with SOC, CISO, infra, network, cloud, application, and vendors.
• Support incident response activities including triage, investigation, containment, evidence gathering, remediation tracking, and post-incident review.
• Conduct proactive threat hunting across enterprise infrastructure using telemetry from SIEM, EDR, NDR, vulnerability management and other tools.
• Identify suspicious behaviours, attack patterns, lateral movement indicators, privilege misuse, exposed services, anomalous access, and signs of compromise.
• Develop threat hunting hypotheses, detection use cases, investigation playbooks, response procedures, and escalation workflows.
• Improve security monitoring by identifying gaps in logs, telemetry, asset visibility, and detection rules.
• Work with SOC and central security teams to improve alert quality, detection coverage, and incident response readiness.
• Support vulnerability management and risk-based remediation by correlating vulnerabilities with asset criticality and threat intel.
• Support initiatives including NDR deployment, asset discovery, micro-segmentation, Zero Trust, PIAM/IAM adoption, and security tool integration.
• Participate in security assessments, threat reviews, tabletop exercises, incident simulations, and lessons-learned activities.
• Ensure remediation actions from incidents and audits are tracked to closure and prepare management reports and dashboards.
• Assist in regulatory requests, governance activities, and evidence collection related to incident response and monitoring.
• Maintain and update incident response runbooks, playbooks, SOPs, and escalation guides.

Skills

Threat hunting

Incident response

Cross-team collaboration

Analytical thinking

Documentation

Communication

Education

Bachelor’s degree or diploma in cybersecurity or related field

Tools

Microsoft Sentinel

Splunk

CrowdStrike

Tenable

Qualys

Darktrace

Palo Alto

Illumio

CyberArk

Delinea

Device42

Job description

Jobline Resources Pte Ltd is seeking an Enterprise Cyber Security professional to serve as the focal point during cyber incidents and to lead threat hunting across enterprise infrastructure. You will coordinate with SOC, CISO, and vendor teams, triage incidents, and drive post-incident reviews.

The role requires 7+ years in cybersecurity operations, strong incident response expertise, and hands-on experience with top security tools.