Cybersecurity Analyst| Senior

Accountabilities:: Develop and implement advanced cybersecurity strategies designed to protect critical financial and digital operations. Prevent, detect, and investigate banking and financial fraud , including scenarios involving Pix, TED, boletos, and digital payments. Conduct Cyber Threat Intelligence (CTI) activities to identify emerging threats, attack patterns, indicators of compromise, and suspicious behavior. Perform Threat Modeling and risk assessments to identify critical threats and define appropriate mitigation strategies. Monitor, investigate, and respond to security events using Microsoft Sentinel and SIEM/SOAR capabilities . Design, implement, and continuously improve detection rules, event correlation, alerts, and automated response mechanisms . Analyze threats using established frameworks such as MITRE ATT&CK . Lead or participate in the response to complex security incidents , from investigation through containment and mitigation. Assess vulnerabilities, security risks, and existing controls, recommending technical and architectural improvements. Participate in security testing, penetration testing, and specialized technical audits . Design and implement advanced security controls focused on availability, integrity, confidentiality, and system resilience . Contribute to the evolution of security policies, standards, procedures, and controls in line with industry best practices and regulatory requirements. Monitor and work with security technologies including SIEM, SOAR, IDS/IPS, and EDR . Work directly with clients and stakeholders to understand business and security challenges, propose solutions, and lead technical discussions. Produce technical documentation, risk assessments, security reports, and actionable recommendations. Act as a technical cybersecurity reference , supporting internal teams and sharing knowledge. Contribute to security training, best-practice dissemination, and the continuous improvement of the organization’s security maturity. Respond proactively to critical situations, applying strong technical judgment, prioritization, and problem-solving skills. Requirements Solid cybersecurity experience at a Senior/Staff Engineer, Tech Lead, Principal Engineer, Cybersecurity Consultant, Cybersecurity Specialist , or equivalent level. Practical experience in fintech, banking, payment services, or highly critical financial operations . Hands-on experience with banking and digital fraud prevention and detection . Knowledge of fraud scenarios involving Pix, TED, boletos, and digital payments . Experience with Cyber Threat Intelligence (CTI) and advanced threat analysis. Experience with Threat Modeling and security risk assessment . Strong knowledge of the MITRE ATT&CK framework . Experience with SIEM/SOAR platforms , preferably Microsoft Sentinel . Knowledge of security monitoring, investigation, and incident response processes . Understanding of security controls, vulnerabilities, security testing, and technical audits. Ability to analyze complex cybersecurity challenges, identify risks, and develop practical technical solutions. Strong communication skills and confidence working directly with clients and stakeholders . Autonomous, proactive, collaborative, and solution-oriented approach. Ability to prioritize effectively and make sound technical decisions in critical situations. Benefits Full-time employment. 100% remote work in Brazil. Opportunity to work on high-criticality financial and digital security environments . Hands-on exposure to cybersecurity areas including fraud prevention, CTI, threat modeling, SIEM/SOAR, incident response, and threat detection . Experience with technologies such as Microsoft Sentinel, IDS/IPS, EDR, and automated security controls . Opportunity to contribute to complex security investigations, technical audits, security testing, and resilience initiatives. Direct interaction with clients and stakeholders on challenging cybersecurity and business problems. Opportunity to act as a technical reference and contribute to knowledge sharing, training, and security maturity initiatives . Exposure to evolving cybersecurity practices and advanced technology environments. Inclusive workplace with opportunities for People with Disabilities (PwD) .