Senior OCI Offensive Security Engineer

horizon3ai; United States; Hybrid; USD 120,000 - 190,000; Full time

Benefits offered by this job

Stock options

Health, vision, and dental coverage

Flexible vacation

Parental leave

Job summary

Horizon3ai is seeking a seasoned offensive cloud security engineer to build production-ready capabilities for Oracle Cloud Infrastructure assessments. You will blend cloud security research with practical Python engineering to uncover realistic attack paths, validate exploitability, and deliver repeatable, reliable assessment tooling.

You will collaborate with software engineers and security specialists to bring capabilities into production, applying disciplined software practices and building

Qualifications

• Hands-on OCI security and offensive cloud experience with permissions and identities.
• Advanced understanding of cloud-native security and attack paths.
• Python engineering experience turning research into automation or features.
• 4+ years of professional software engineering or offensive security experience.
• Experience in cloud penetration testing, red teaming, or cloud security product development.
• Proven collaboration with diverse engineering teams as an individual contributor.

Responsibilities

• Research OCI attack paths, identity and trust relationships, service misconfigurations, and emerging attacker techniques.
• Develop and validate Python capabilities across cloud identity, compute, Kubernetes, storage, databases, secrets, networking, and related services.
• Link individual weaknesses into realistic attack paths and demonstrate their exploitability safely.
• Maintain repeatable attack logic and supporting tests; investigate failures and improve reliability and precision.
• Work with software engineers and offensive security specialists to bring capabilities into production.
• Apply disciplined software development practices to implement attack paths with technical and team leads.

Skills

OCI security

Cloud security concepts

Python engineering

Offensive security experience

Job description

Horizon3ai is seeking a seasoned offensive cloud security engineer to build production-ready capabilities for Oracle Cloud Infrastructure assessments. You will blend cloud security research with practical Python engineering to uncover realistic attack paths, validate exploitability, and deliver repeatable, reliable assessment tooling.

You will collaborate with software engineers and security specialists to bring capabilities into production, applying disciplined software practices and building