Senior Cyber Security Incident Response Analyst

Responsibilities

• Lead investigations of complex security incidents, including malware outbreaks, phishing campaigns, insider threats, and advanced persistent threats (APTs).
• Perform root cause analysis and develop containment and eradication strategies to minimize business impact.
• Conduct log analysis utilizing SIEM, IPS, Firewall, Proxy, and AV to determine the extent of compromises.
• Execute threat hunting by investigating alerts, anomalies, errors, intrusions, and malware for evidence of compromise.
• Analyze threat intelligence to identify indicators of compromise (IOCs) and tactics, techniques, and procedures (TTPs).
• Manage cyber security call queues and ensure tickets are closed based on defined SLOs.
• Provide incident response capability for Americas business hours, including night/swing shifts and a rotating on-call schedule.
• Mentor junior analysts and assist the Head of Cyber Security with management and reporting tasks.

Requirements

• Excellent analytical, troubleshooting, and problem-solving skills.
• High level of capability in research, data collation, and data analysis.
• Proven experience producing security documentation and technical analysis reports.
• Strong knowledge of cyber security attack techniques, threats, and mitigation strategies.
• Ability to perform effectively under high pressure or in stressful situations.
• Experience managing and mentoring junior team members.
• Strong verbal and written communication skills for presenting technical information to various audiences.

About the Company

Dentsu is a global leader in innovation, exploring new ways to reach, engage, and nurture relationships with audiences. For over 120 years, we have driven a multiplier effect for clients through Integrated Growth Solutions, underpinned by our promise to innovate to impact. We foster a culture of sustainability, fearless transformation, and limitless collaboration.