Grupo QuintoAndar | Senior Offensive Security Engineer

The role

You will architect and pilot an AI-driven offensive security program using autonomous AI agents. You will design systems for continuous reconnaissance, attack surface mapping, and automated penetration testing across global infrastructure.

What you will do

• Design, build, and pilot the architecture of an AI-agent-powered offensive security platform
• Plan and conduct continuous testing against global attack surface, microservices, and Kubernetes clusters
• Connect automated agent findings with Vulnerability Management, SIEM/SOAR, and CTI feeds
• Write RFCs and technical design documents for AI agent protocols and offensive automation
• Drive complex multi-team engineering deliverables from scoping to deployment
• Translate attack graphs and vulnerability telemetry into business risk impact for executives
• Deploy AI agent capabilities to automate vulnerability triage and retesting
• Serve as a subject matter expert during severe security incidents
• Lead offensive architecture reviews and threat modeling sessions
• Mentor and elevate senior and mid-level security engineers

Required qualifications

• Proven background as a Senior/Staff Offensive Security Engineer, Senior Red Teamer, or Principal Penetration Tester
• Hands-on experience developing or architecting LLM-driven applications, agentic workflows, and autonomous agent sandboxing
• Deep practical knowledge of container runtimes, Kubernetes architecture, and major cloud platforms
• Solid programming proficiency to build production-grade tooling and microservices
• Experience integrating offensive discoveries into enterprise vulnerability management engines and SIEM
• Success leading initiatives across engineering, product, and infrastructure boundaries
• Ability to evaluate technical risk through a business value and revenue-impact lens
• Exceptional verbal and written communication skills
• Track record of contributing to and reviewing RFCs

Nice to have

• Experience operating red/purple team operations in high-velocity tech, fintech, or hyper-growth marketplaces
• Open-source contributions or research in automated exploitation, agentic systems, or cloud security tooling
• Industry certifications such as OSCP, OSEP, OSWE, CKS, AWS Certified Security - Specialty

Benefits

• Competitive salary
• Profit sharing
• Meal allowance
• Health insurance
• Dental plan
• Life insurance
• Childcare subsidy and Atypical Parenthood subsidy
• Wellhub
• Home office allowance
• Employee assistance program
• Extended parental leave
• Day off on birthday, Mother’s Day, and Father’s Day

Before you apply

• Complete the application step
• Watch for emails from the @quintoandar.com.br domain

About the company

Grupo QuintoAndar is the largest real estate ecosystem in Latin America. It develops technology and innovation to transform the living experience.