Senior Cybersecurity Engineer at RD Saúde focusing on security solutions like SIEM and incident response. Collaborating with teams for continuous improvement in organizational security measures.
Responsibilities
Serve as a Senior Cybersecurity Engineer in a leading technical role, acting as a reference for detection, response, and security engineering, and supporting the continuous evolution of the organization's defensive controls and capabilities.
Work on the engineering, maintenance, and continuous improvement of security solutions such as SIEM, EDR/XDR, NDR, and incident response tools;
Lead and support security incident response, including root cause analysis, containment, eradication, and lessons learned;
Perform threat hunting activities, identifying anomalous behaviors and advanced techniques, tactics, and procedures (TTPs);
Tune and optimize security tools to reduce false positives and increase detection effectiveness;
Support the creation and evolution of detection use cases, correlation rules, and response playbooks;
Work collaboratively with SOC, GRC, infrastructure, networking, and technology teams;
Participate in defining secure architectures and technical security requirements;
Support simulation exercises, readiness testing, and, where applicable, Purple Team initiatives;
Produce technical documentation, executive reports, and recommendations for continuous improvement;
Actively contribute to the organization's technical and cultural cybersecurity maturity.
Requirements
Bachelor's degree required.
Strong experience in security engineering and/or cybersecurity operations;
Hands-on knowledge of incident response, basic forensic analysis, and alert investigation;
Experience with SIEM (e.g., Splunk, Microsoft Sentinel, QRadar) and EDR/XDR (e.g., Defender, CrowdStrike, SentinelOne);
Experience in threat hunting and TTP-based analysis (MITRE ATT&CK);
Ability to tune rules, alerts, and security policies;
Knowledge of networking, operating systems (Windows/Linux), and cloud security fundamentals;
Strong technical communication skills and the ability to act as a point of reference for other analysts.
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