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Consultant, DFIR, Reactive Services (Unit 42)

Brazil, São Paulo · Job Posted June 29, 2026
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Job Description

The Consultant, Reactive Services is an individual contributor role within Unit 42, responsible for supporting digital forensics and incident response (DFIR) engagements across a wide range of client environments throughout Latin America. In this role, you will work alongside Senior Consultants, Principal Consultants, and Consulting Directors to investigate cybersecurity incidents, perform forensic analysis, and help organizations respond to and recover from security events. You will contribute technical expertise during active investigations while continuing to build advanced DFIR capabilities in fast-paced client environments. This position is ideal for a DFIR practitioner who enjoys hands-on technical investigations, problem-solving, and working directly with clients during high-impact cybersecurity incidents.

Job Responsibility

  • Support and execute digital forensics and incident response investigations across enterprise environments
  • Conduct forensic analysis of endpoints, systems, logs, and cloud environments to identify attacker activity and scope of compromise
  • Assist with host, network, and cloud investigations during active security incidents
  • Perform forensic acquisition and preservation of evidence following industry best practices and chain-of-custody procedures
  • Utilize industry-standard DFIR tools and methodologies to investigate malicious activity and support containment efforts
  • Collaborate with senior consultants and engagement teams to deliver high-quality client outcomes during incident response engagements
  • Document technical findings, timelines, and investigative results for both internal and client-facing reporting
  • Provide remediation recommendations and support clients throughout the incident response lifecycle
  • Maintain awareness of emerging threats, attacker techniques, and evolving cybersecurity trends
  • Support the development of internal DFIR processes, playbooks, and knowledge-sharing initiatives within the Unit 42 team

Requirements

  • Bachelor's degree in Computer Science, Information Security, or related field, or equivalent practical experience
  • 3–5 years of hands-on experience in Digital Forensics and Incident Response (DFIR), Security Operations, SOC, or related cybersecurity disciplines
  • Experience supporting investigations involving ransomware, intrusion activity, phishing, malware, or unauthorized access incidents
  • Foundational understanding of forensic methodologies, evidence handling, acquisition techniques, and chain-of-custody procedures
  • Hands-on experience with DFIR tools such as EnCase, FTK, SleuthKit, Volatility, or equivalent forensic frameworks
  • Experience working across Microsoft Windows, Linux, and macOS environments
  • Strong analytical and problem-solving skills with the ability to perform technical investigations in high-pressure environments
  • Excellent written and verbal communication skills
  • Ability to communicate technical findings to both technical and executive audiences
  • Candidates must be fluent in any combination of the following languages: English + Spanish
  • English + Portuguese
  • Spanish + Portuguese
  • English + Spanish + Portuguese (preferred)
  • The ability to communicate effectively with clients across Latin America is required
  • Willingness to travel up to 20% throughout Latin America to support client engagements

Nice to have

  • Experience supporting enterprise incident response investigations across cloud or hybrid environments
  • Familiarity with the MITRE ATT&CK framework
  • Exposure to malware analysis, threat hunting, or endpoint investigations
  • Experience working within consulting, managed security services, MDR, or incident response organizations
  • Industry certifications such as GCFA, GCFE, GCIH, CISSP, Security+, or similar
  • Experience supporting multinational clients across Latin America

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