Senior Incident Response Analyst (R-18809)

Dun & Bradstreet • Jacksonville - Florida - United States, FL

6d • Onsite

About The Position

At Dun & Bradstreet, we believe data has the power to create a better tomorrow. As a global leader in business decisioning data and analytics, we help companies worldwide grow, manage risk, and innovate. For over 180 years, businesses have trusted us to turn uncertainty into opportunity. We’re a diverse, global team that values creativity, collaboration, and bold ideas. Are you ready to make an impact and help shape what’s next? Join us! Explore opportunities at dnb.com/careers . We are seeking a highly skilled Senior Incident Response / SOC Analyst to lead advanced threat detection, investigation, and remediation efforts within our Security Operations program. This role is responsible for handling complex security incidents, guiding junior analysts, improving detection capabilities, and strengthening our overall security posture. The ideal candidate brings deep technical expertise, strong analytical thinking, and a proactive mindset toward defending the enterprise.

Requirements

• Bachelor's degree required with 5+ years of relevant experience
• At least 1 SANS/GIAC Certification (GCIH, GREM, GCFA preferred)
• Strong Hands-on experience with: SIEM Platforms (Splunk, Microsoft sentinel, etc), EDR Tools (CrowdStrike, Carbon Black), Cloud environments (Azure, AWS, GCP, AliCloud), Network log analysis (Netflows and PCAP files)
• Deep understanding of: Mitre ATT&CK framework, Malware behavior and exploitation techniques, Windows, Linux, and macOS internals
• Script analysis (Javascript, VBscript, powershell, python)
• Malicious binary analysis (Windows, MacOS, Linux)
• Clear communication rooted in technical competence
• Confidence discussing findings with peers and senior management
• Ability to sit, speak and operate telephone and/or computer for long periods of time
• Ability to handle pressure, stressful conditions, and conflict resolution
• Ability to work day, evening and/or weekend hours as needed
• Regular attendance in the office

Responsibilities

• Review alerts
• Perform in depth, technically accurate investigations
• Identify process issues, work to build processes
• Update and build documentation
• Assist junior analysts
• Handle case escalations
• Work with other teams' company-wide to resolve incidents and drive change
• Leverage critical thinking and advanced technical skills to revise and strengthen processes
• Contribute to continuous improvement of detection engineering, log ingestion, and alert quality
• Coordinate with cross-functional teams (IT, Legal, HR, Business Units) during incident response activities
• Identify and assess security risks introduced by AI tools and platforms, including model misuse, data exposure, and automation-driven attack paths
• Required on call rotation

Benefits

• Generous paid time off in your first year, increasing with tenure.
• Up to 16 weeks 100% paid parental leave after one year of employment.
• Paid sick time to care for yourself or family members.
• Education assistance and extensive training resources.
• Do Good Program: Paid volunteer days & donation matching.
• Competitive 401k with company matching.
• Health & wellness benefits, including discounted Wellhub membership rates.
• Medical, dental & vision insurance for you, spouse/partner & dependents.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees