Senior Attack Engineer, Kubernetes

🔥 2 minutes ago

🇺🇸 United States – Remote

💵 $206.3k - $242.7k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 20%

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Horizon3.ai

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2019

🔒 Cybersecurity

🤖 Artificial Intelligence

☁️ SaaS

Cybersecurity • Artificial Intelligence • SaaS

Horizon3. ai is a cybersecurity company that specializes in autonomous penetration testing through its platform, NodeZero. The company's mission is to proactively identify and address attack vectors before they can be exploited, allowing organizations to continuously assess their security posture across various environments including cloud, IoT, and on-premises systems. Founded by veterans from the US Special Operations and National Security sectors, Horizon3. ai offers a self-service SaaS solution that provides organizations with insights into their security vulnerabilities without requiring persistent or credentialed agents.

📋 Description

• Lead offensive security research into Kubernetes clusters, workloads, identities, configurations, and cloud-connected environments • Design and build production-quality Python attack capabilities modeling realistic attacker perspectives, including an assumed-breach foothold in a pod or workload • Develop and validate attack paths involving Kubernetes RBAC, service accounts and credentials, workloads and pods, secrets, cluster and node boundaries, network reachability, cloud identities, and managed Kubernetes services • Assess Kubernetes security weaknesses and determine whether they create meaningful, provable impact • Build safe validation and negative testing into capabilities • Own technical planning for substantial Kubernetes initiatives, identify coverage gaps, prioritize research, make design trade-offs, and coordinate delivery with Product, platform, and engineering partners • Integrate attack content into NodeZero execution and results flows so customers receive reliable evidence and clear explanations • Review code and designs, establish quality expectations, mentor teammates, and share Kubernetes offensive-security expertise • Document methodologies, assumptions, limitations, and test approaches • Contribute to internal and external technical enablement where appropriate • Lead development of Kubernetes attack capabilities in NodeZero and help define Horizon3's Kubernetes offensive security strategy

🎯 Requirements

• Deep hands-on experience with Kubernetes security and offensive testing of containerized environments • Expert-level understanding of Kubernetes architecture and identity and authorization controls, especially RBAC, service accounts, workloads, and cluster boundaries • Strong Python engineering skills and experience productizing security research into reliable automation • Experience with penetration testing, red teaming, vulnerability research, container security, or offensive security tooling • Ability to lead ambiguous, cross-functional technical work and communicate attack paths and impact clearly • Strong safety and product mindset • Record of owning complex technical projects and making sound trade-offs • Strong written communication and documentation skills • Experience with EKS, GKE, AKS, OKE, or other managed Kubernetes services • Knowledge of Linux, containers, cloud workload identity, Kubernetes operators, Helm, or infrastructure as code • Experience with network attack paths, container escape research, or cloud-to-cluster attack paths • Contributions to open-source security tooling, public research, conference talks, or vulnerability disclosure • Must be legally authorized to work in the United States • Must not require employment visa sponsorship now or in the future

🏖️ Benefits

• Equity package in the form of stock options for all full-time roles • Health insurance for you and your family • Vision insurance for you and your family • Dental insurance for you and your family • Flexible vacation policy • Generous parental leave • Career development opportunities • Inclusive culture • Collaborative environment • Remote and hybrid work models depending on role and location

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