Note: The job is a remote job and is open to candidates in USA. vCluster Labs is a platform company focused on AI infrastructure and secure Kubernetes-based tenant isolation. The Senior Application Security Engineer will own end-to-end product security, including security reviews, threat modeling, automated security controls, vulnerability management, security-related feature development, and developer training.
Responsibilities
- Core Product Security: Perform deep-dive security reviews of our core Go-based applications and Kubernetes controllers, as well as the frontend user interface. With a targeted focus on avoiding privilege escalation within our multi-tenant architecture
- Threat Modeling: Lead the threat modeling process for new features, proactively identifying risks associated with shared GPU resources and multi-cloud environments
- Automated Security: "Shift left" by continuing to integrate security checks into our CI and developer workflows. Optimizing these checks for speed, ensuring security never becomes a bottleneck for engineering velocity. Separately, you will manage automated and manual scanning of our entire product stack
- Vulnerability Management: Own the lifecycle of security vulnerabilities from discovery to remediation. You will triage both external and internal reports, drive the resolution of critical issues across the engineering organization, and communicate effectively across stakeholders
- Feature Development: Everyone at the organization contributes to both the ideas and development of new features. Many of which are directly related to security topics such as container breakouts and isolation, pushing the envelope of what’s possible in constrained environments
- Developer training: Make complex topics easier to understand for all engineers, including new attack vectors and secure coding concepts
Skills
- • Experience: You have 5+ years in Application Security or Product Security, with a strong focus on containerized environments
- • Kubernetes Depth: You have a deep understanding of Kubernetes architecture, RBAC, and container runtime security
- You understand the specific risks of multi-tenancy
- • Code Proficiency: You are comfortable reading and writing Go, which is the language of our core product
- You can spot a vulnerability in a PR without relying solely on automated tools
- • Modern Tech Mindset: You thrive in fast-paced cutting-edge environments
- You are excited to solve novel problems related to AI and multi-tenant infrastructure
- • Cognitive Flexibility: You view feedback as a learning mechanism, not a critique, and are willing to understand the unique needs and concerns of our customers
- • Certifications: CKS (Certified Kubernetes Security Specialist) or OSCP
- • AI/GPU Context: Experience securing AI workloads or GPU cloud infrastructure
- • Automation Skills: Experience writing custom security tooling or automation scripts in Python or Go
- • Documentation: A willingness to contribute to our public-facing security documentation and "Trust Center" to help our customers navigate compliance
Benefits
- Equity
- Health, dental, vision, and life insurance, including plans for you and eligible dependents (benefits vary depending on country)
- Flexible working schedule
- Workplace flexibility
Company Overview
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