Senior Offensive Security Engineer

Quinto AndarCybersecurity

We work from home and can live anywhere in BrazilFull-TimeSenior

Salary not disclosed

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Job Details

Languages: English is needed for communications with coworkers and suppliers.
Required Skills: Kubernetes

Have a proven senior or staff-level offensive security, red-team, or penetration-testing background.
Have conducted complex assessments of web applications, APIs, distributed cloud environments, and internal networks.
Have hands-on experience developing or architecting LLM-driven applications and agentic workflows.
Have experience with tool calling, autonomous-agent sandboxing, and adversarial AI evaluation.
Bring practical knowledge of container runtimes, Kubernetes architecture, and major cloud platforms.
Understand Kubernetes RBAC, admission controllers, pod security standards, network policies, and service mesh.
Demonstrate the ability to exploit and harden containerized infrastructure.
Have programming proficiency for production tooling, microservices, pipeline integrations, and custom agent skills.
Have experience integrating offensive findings with vulnerability-management engines and SIEM tools.
Have led initiatives across engineering, product, and infrastructure boundaries.
Be able to evaluate technical risk in terms of business value and revenue impact.
Have strong written and verbal communication skills, including presenting strategies to senior leadership.
Have experience contributing to and reviewing RFCs, establishing best practices, and mentoring peers.
Preferred: experience with red/purple team operations, open-source contributions or research, or relevant certifications such as OSCP, OSEP, OSWE, CKS, or AWS Certified Security - Specialty.

Architect, build, and pilot an AI-agent-powered offensive security platform.
Plan and conduct continuous testing across global attack surfaces, microservices, containerized workloads, and Kubernetes clusters.
Connect agent findings with vulnerability management, SIEM/SOAR platforms, CTI feeds, and Blue Team detection workflows.
Write RFCs and technical designs for agent protocols, automation standards, containment boundaries, and sandboxing.
Drive complex, multi-team engineering deliverables from scoping through operational deployment.
Translate attack graphs, exploitation proofs-of-concept, and vulnerability telemetry into business risk for technical and executive stakeholders.
Automate vulnerability validation, prioritization, and retesting after patches.
Contribute offensive expertise during severe security incidents and lead red/purple team debriefs.
Lead offensive architecture reviews and threat-modeling sessions.
Mentor security engineers and develop interview standards for offensive security and AI hiring.

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