Senior Runtime Security Engineer – AI Gateway + Equity

Xage Security; San Francisco (CA); In loco; USD 140.000 - 170.000; Tempo pieno

Vantaggi offerti da questo lavoro

Equity

Descrizione del lavoro

Xage Security is seeking a Senior Runtime & Systems Engineer to build the runtime security layer powering Agent Sentry, the enforcement plane of our Zero Trust AI Gateway platform. You will design OS-level interception, runtime monitoring, and sandboxing to secure autonomous AI agents across Linux, macOS, and Windows in enterprise environments.

Join a team shaping zero-trust architecture with inline enforcement, credential rotation, and tamper-resistant audit infrastructure.

Competenze

• 3–5+ years building production security, systems, or infrastructure software.
• Strong programming skills in Go, C/C++ with experience developing high-performance, security-critical systems.
• Experience with OS internals, runtime security, kernel instrumentation, security telemetry, sandboxing, or container isolation.
• Strong understanding of host security, privilege escalation, runtime exploitation, and endpoint threats.
• Experience with eBPF, Linux kernel development, Windows Kernel, or macOS security frameworks.

Mansioni

• Cross-Platform Runtime Security & Sandboxing: Build runtime monitoring and interception across Linux, macOS, and Windows using technologies such as eBPF, Endpoint Security Framework, ETW, and OS-level security APIs.
• Capture and analyze process execution, filesystem activity, network events, and agent behaviors.
• Develop secure agent isolation using containers, OS-native sandboxes, and lightweight virtualization (containerd, runc, Firecracker, Wasm).
• Design runtime controls to prevent unauthorized agent actions and reduce security risks.
• Agent Identity, Lifecycle & Policy Enforcement: Build agent identity infrastructure supporting registration, authentication, cryptographic attestation, short-lived credentials, and automated credential rotation.
• Develop lifecycle governance for agent onboarding, authorization, monitoring, and decommissioning.
• Integrate runtime telemetry with policy engines to enable real-time access decisions, inline enforcement, and automated containment.

Conoscenze

Go

C/C++

Descrizione del lavoro

Xage Security is seeking a Senior Runtime & Systems Engineer to build the runtime security layer powering Agent Sentry, the enforcement plane of our Zero Trust AI Gateway platform. You will design OS-level interception, runtime monitoring, and sandboxing to secure autonomous AI agents across Linux, macOS, and Windows in enterprise environments.

Join a team shaping zero-trust architecture with inline enforcement, credential rotation, and tamper-resistant audit infrastructure.