
Senior Blue Team Analyst – Incident Response, Cloud Security
Posted 1 day ago

Posted 1 day ago
This is a fully remote position, open to applicants in Brazil.
• Oversee the technical response to incidents, managing the process from triage to containment, eradication, and post-incident analysis.
• Conduct investigations and forensic analysis across AWS environments, endpoints, and identity systems utilizing CloudTrail, GuardDuty, VPC Flow Logs, and IdP logs.
• Develop and maintain playbooks and runbooks, automating repetitive tasks.
• Facilitate incident communications as mandated by Central Bank regulations.
• Enhance AWS security posture through best practices in IAM and least privilege access, just-in-time access, WAF, network segmentation, and secrets management.
• Review and author secure Infrastructure as Code (IaC) using Terraform or similar tools in collaboration with SRE and engineering teams.
• Create and optimize detections for cloud threats, analyzing false-positive rates and coverage.
• Design internal tools and agents to streamline triage, alert enrichment, and incident response.
• Treat every tool as a product, defining the problem, target users, success metrics, and embracing iterative development.
• Share your creations to elevate the team’s technical capabilities.
• Collaborate with the engineering team to tackle cloud security challenges, serving as a technical expert in incident response.
• Build detections, automations, and internal products that significantly lower response times and mitigate risks.
• Leverage AI-assisted coding to achieve in weeks what previously took quarters.
• Report directly to the Head of Cyber Security.
• Demonstrated experience leading real-world incident response efforts, beyond merely theoretical exercises.
• Proven ability to secure AWS environments in production, encompassing IAM, CloudTrail, GuardDuty, Security Hub, VPC, and KMS.
• Proficient in programming daily with Python, Go, or TypeScript, with deployed code in production environments.
• Skilled in utilizing AI for development purposes, including coding assistants, agents, and LLMs via API.
• Proven history of creating a tool, automation, or product and evaluating its impact.
• Capable of independently managing a problem from diagnosis to delivery without external direction.
• Preferred: Experience within fintech, a payment institution, or a sector regulated by the Central Bank.
• Preferred: Background in detection engineering, including rules as code (Sigma, KQL, SPL, or similar) and log pipeline management.
• Preferred: Knowledge of infrastructure as code and Kubernetes.
• Preferred: Familiarity with endpoint and memory forensics, and understanding of EDR technologies.
• Preferred: Expertise in identity management and SSO, including SAML, OIDC, and conditional access.
• Preferred: Relevant certifications such as AWS Security Specialty, GCIH, or GCFA.
• Preferred: Contributions to open-source projects, security publications, or conference presentations.
• Contractor engagement model (PJ).
• Competitive compensation package.
• Comprehensive health insurance with 100% coverage for the employee and 75% coverage for the first dependent.
• Day off during the month of your birthday.
• Monthly discount coupon valid at stores accepting Pix Parcelado.
• Fully remote working arrangement.
Cynet Security
Cynet Security
Cynet Security
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