Staff Attack Engineer, OCI

Horizon3 AI

2d•$247,000 - $275,000•Remote

About The Position

Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe autonomous pentests and other key assessment operations that scale across the largest internal, external, cloud, and hybrid cloud environments. NodeZero has been adopted by organizations of all sizes, from small educational institutions to government agencies and Global 100 enterprises. It is used by IT Ops/SecOps teams, consulting pentesters, and MSSPs and MSPs. We are a fusion of former U.S. Special Operations cyber operators, startup engineers & operators, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools and false positives, resulting in alert fatigue, blind spots, "checkbox” security culture, cybersecurity skills shortage, and the long lead time and expense of hiring outside consultants. Collectively, we are a team of learn it alls, committed to a culture of respect, collaboration, ownership, and results. We're looking for an Attack Engineer with deep Oracle Cloud Infrastructure (OCI) expertise to help build the next generation of cloud attack capabilities within NodeZero. This is a highly strategic role. As OCI adoption continues to grow among large enterprises, government organizations, and AI-focused infrastructure providers, our customers are increasingly asking for deeper OCI coverage. We already support AWS, Azure, and GCP, and we're making a significant investment in OCI as the platform continues to gain traction among hyperscale customers and critical enterprise environments. You'll join our NodeZero Attack team and take ownership of building OCI attack content from the ground up. You'll research Oracle cloud services, identify attack paths and misconfigurations, develop offensive capabilities, and help shape how NodeZero assesses Oracle Cloud environments at scale. This is not a maintenance role. You'll be helping define Horizon3.ai's OCI offensive security strategy and will have a first-hand influence on how OCI attacks are integrated into the platform.

Requirements

Hands-on offensive security experience targeting Oracle Cloud Infrastructure (OCI).
Strong understanding of cloud attack paths and cloud-native security concepts.
Experience with web application testing, cloud penetration testing, external assessments, or red team operations.
Experience writing Python code for automation, tooling, or offensive security workflows.
Ability to independently research unfamiliar technologies and rapidly become an expert.
Strong written communication and technical documentation skills.
Passion for building products, not just finding vulnerabilities.
10+ years of professional software engineering and or/ offensive security experience

Nice To Haves

Experience attacking OCI Kubernetes Engine (OKE).
Experience with cloud privilege escalation and identity attacks.
Experience developing offensive security tooling.
Familiarity with AWS, Azure, or GCP offensive security.
Experience integrating security research into production software.
Knowledge of vulnerability management and attack path analysis.

Responsibilities

Research Oracle Cloud Infrastructure services and identify offensive security opportunities across the platform.
Develop new attack techniques, attack paths, and security assessments targeting OCI environments.
Build and maintain production-quality Python code that powers NodeZero attack capabilities.
Conduct offensive security research against OCI compute, networking, storage, databases, IAM, Kubernetes, and cloud-native services.
Analyze real-world OCI deployments to identify common attack vectors and customer risk patterns.
Collaborate closely with software engineers, attack engineers, and offensive security SMEs to bring new capabilities into production.
Document research findings, attack methodologies, and technical design decisions.
Help prioritize future OCI attack coverage based on customer demand and emerging threats.
Contribute to the technical direction of NodeZero's cloud attack capabilities.