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Principal Software Engineer, Agent Policy Fabric

US, CA, Santa Clara💼 Full-time💰 $272,000–$272,000🗓 2026-06-22 → 2026-09-26

Core

Building a robust core platform for governed agent action, including signed policy verification, runtime policy verification, projection, conformance, and failure mode handling.

Role type

Principal Software Engineer, Agent Policy Fabric (APF) Core Platform

Builds

Runtime Policy Verifier, signed policy bundle verification, trust-root handling, freshness, rollback protection, subject binding, authorization APIs, and deterministic policy projections.

Domain

AI Agent Security, Distributed Systems, Policy Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Rust, Go, C++, Python, systems software, security engineering, distributed systems, policy infrastructure, API design, schema design, authorization systems, signed artifact pipelines, Linux systems, IPC, gRPC, CI/CD, test automation, cloud deployment, cryptographic signatures, trust roots, revocation, zero-trust architecture

Preferred skills

OPA/Rego, Cedar, Zanzibar-style authorization, policy compilers, sandbox policy, agent frameworks, tool-call governance, Sigstore, TUF, in-toto, HSM-backed signing, formal verification, adversarial verification, RFC contributions

Technologies

Rust, Go, C++, Python, Linux, gRPC, protobuf, CI, test automation, cloud environments

Responsibilities

Build and harden Runtime Policy Verifier and authorization APIs; Design and implement deterministic policy projections; Create conformance and verification test suites; Collaborate with Runtime Owners on public interfaces; Land runtime integration surfaces via RFCs or PRs; Drive architecture maturity and versioning; Evolve technical specifications and security artifacts.

Seniority

Principal, hands-on IC with architecture leadership

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