Senior IT Security Engineer

Accountabilities •

Serve as the primary point of contact between Americas IT Operations teams and the global Cyber Defense Center for cybersecurity incident management.

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Coordinate the complete security incident lifecycle, including triage, investigation, containment, eradication, recovery, escalation, and post-incident reviews.

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Manage regional security incidents from detection to closure, ensuring compliance with global response procedures and identifying operational gaps.

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Maintain clear and timely communication with technical teams, regional stakeholders, senior management, and executive leadership throughout incident investigations.

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Develop a comprehensive understanding of regional business units, IT environments, operational workflows, technology dependencies, and security risks.

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Conduct digital forensic investigations while ensuring proper evidence collection, preservation, integrity, chain of custody, and documentation.

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Perform security analysis across Windows, Linux/UNIX, cloud, network, email, endpoint, and enterprise technology environments.

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Investigate security alerts, system logs, threat intelligence, incident tickets, and reports using SIEM platforms and other security operations tools.

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Prepare detailed investigation findings, incident briefings, risk assessments, and post-incident reports for both technical and non-technical audiences.

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Monitor emerging AI-enabled cyber threats and defensive technologies, including deepfakes, automated phishing, adversarial machine learning, response automation, and AI-assisted threat intelligence.

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Develop and continuously improve incident response playbooks, operational procedures, runbooks, security tools, and service improvement initiatives.

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Mentor junior incident responders, share technical expertise, and contribute to strengthening regional cybersecurity capabilities.

Requirements

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Strong professional experience in cybersecurity incident response, security operations, incident coordination, containment, recovery, and post-incident analysis.

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Hands-on expertise in digital forensics, evidence handling, chain of custody, log analysis, threat intelligence, and investigative documentation.

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Experience working with SIEM platforms, security monitoring solutions, email security tools, ticketing systems, and enterprise security operations processes.

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Broad technical knowledge of enterprise IT environments, including Windows, Linux/UNIX, directory services, AWS, Azure, mobile device management, virtualization, networks, web servers, databases, and firewalls.

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Proficiency in at least one programming or scripting language, such as Python, PowerShell, or Bash.

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Understanding of security controls, security operations, risk management, and enterprise information security governance.

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Familiarity with artificial intelligence and machine learning concepts, particularly their application to cyber threats, detection, response automation, and defensive security technologies.

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Excellent analytical thinking, problem-solving, prioritization, and decision-making abilities, especially when managing high-impact security incidents.

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Strong written and verbal communication skills, with the ability to present complex technical findings and brief senior management and executive stakeholders.

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Proven ability to collaborate effectively across international, multicultural, and geographically distributed teams.

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Fluency in English, both written and spoken.

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Preferred qualifications:

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Professional certifications such as CISSP, GCIH, GIAC, CISA, CISM, CompTIA CySA+, or equivalent cybersecurity credentials.

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Experience with cloud incident response and cloud-native security tools in AWS or Azure environments.

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Knowledge of enterprise security governance frameworks and global information security policies.

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Familiarity with privacy and regulatory requirements across the Americas, including Brazil's LGPD, US state privacy laws, and Canadian privacy regulations.

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Relevant training or certifications in artificial intelligence or machine learning security.

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Knowledge of Spanish or Portuguese in addition to English.

Benefits

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Competitive and negotiable compensation based on experience and qualifications.

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Fully remote working arrangement within Brazil.

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Full-time professional engagement under a Brazilian PJ (contractor) arrangement.

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Senior-level position offering significant ownership and responsibility in cybersecurity incident response.

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Opportunity to collaborate with global Cyber Defense and IT Operations teams.

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Exposure to advanced cybersecurity technologies, digital forensics, cloud security, and AI-driven threat detection.

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Opportunities to mentor other security professionals and contribute to global security initiatives.

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Professional development through involvement in complex, high-impact security investigations and continuous improvement projects.

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