Senior Incident Response Analyst

Responsibilities

• Lead high-fidelity alert investigations and perform deep technical analysis to identify, contain, and remediate threats.
• Own complex incident investigations and drive technically precise conclusions to improve detection maturity.
• Champion process development by designing scalable workflows and implementing improvements to the Incident Response program.
• Create and refine technical playbooks, documentation, and response guides.
• Mentor and coach junior analysts to build a high-performing security team.
• Serve as the escalation point for critical and ambiguous cases under pressure.
• Collaborate with engineering, IT, Legal, and HR to resolve incidents holistically.
• Partner with detection engineering to improve log ingestion, alert logic, and signal quality.
• Assess and mitigate AI-related security risks, including model misuse and prompt injection.
• Participate in an on-call rotation for high-severity incidents.

Requirements

• Bachelor's Degree required.
• At least one SANS/GIAC Certification (GCIH, GREM, or GCFA preferred).
• Hands-on experience with SIEM platforms (Splunk, Microsoft Sentinel, etc.) and EDR tools (CrowdStrike, Carbon Black).
• Experience working within cloud environments (Azure, AWS, GCP, or AliCloud).
• Proficiency in network log analysis, including Netflows and PCAP files.
• Deep understanding of the Mitre ATT&CK framework and malware behavior.
• Strong knowledge of Windows, Linux, and macOS internals.
• Experience with script analysis (Javascript, VBScript, PowerShell, Python) and malicious binary analysis.
• Excellent communication skills with the ability to discuss findings with senior management.

Benefits

• Generous paid time off and paid sick time.
• Up to 16 weeks of 100% paid parental leave after one year of employment.
• Education assistance and extensive training resources.
• Competitive 401k with company matching.
• Medical, dental, and vision insurance for employees and dependents.
• Do Good Program featuring paid volunteer days and donation matching.

About the Company

Dun & Bradstreet is a global leader in business decisioning data and analytics. For over 180 years, businesses have trusted us to turn uncertainty into opportunity by helping companies worldwide grow, manage risk, and innovate.