Senior Information Security Analyst (remote in Brazil)
Core
Proactive threat hunting, internal vulnerability assessment/penetration testing, and building custom security automations to ensure enterprise data and infrastructure remain safe.
Role type
Senior IC information security analyst (threat hunting & automation)
Builds
Internal security tools, automated testing workflows, and hardened cloud infrastructure
Domain
Cybersecurity, Cloud Security, Threat Intelligence
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
threat hunting, penetration testing, Python scripting, Bash scripting, AWS security, Linux command-line, ElasticSearch SIEM configuration, incident investigation, log parsing, forensic data collection, security automation, system hardening, patch management, SOC operations
Preferred skills
Capture The Flag (CTF) experience, ethical hacking, red/blue team testing, open-source security projects, multi-cloud exposure (Azure/GCP), industry certifications
Technologies
Python, Bash, AWS, ElasticSearch, Linux
Responsibilities
Conduct proactive threat hunting across cloud and hybrid environments; perform internal vulnerability assessments and penetration testing; build internal security tools and automated testing workflows; conduct security reviews and audits of AWS cloud environments; act as lead investigator for complex security incidents; optimize ElasticSearch SIEM alerts; develop training materials and lead tabletop exercises for junior analysts
Seniority
Senior, hands-on IC with mentorship responsibilities
