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Principal Software Engineer, Agent Policy Fabric

NVIDIA· Engineer, Sys SW
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Santa Clara, CA, Hybrid (Remote)$272k - $431.3kfull-timePosted 4mo ago

About the role

Principal Software Engineer role focused on building and maturing the Agent Policy Fabric (APF) Core Platform within NVIDIA’s Cloud Engineering & Services. Responsible for core services, policy projection, conformance and verification, runtime integration surfaces, and architecture maturity for governed agent action across runtime substrates and enterprise integrations.

Responsibilities

  • Own APF Core Services: Build and harden the Runtime Policy Verifier, signed policy bundle verification, trust-root handling, freshness, rollback protection, subject binding to attested runtime context, revocation checks, and authorization APIs used by APF-compatible enforcement points.
  • Design Policy Projection: Implement deterministic projections from the canonical APF policy into OpenShell-native runtime policy, adapter constraints, credential constraints, audit requirements, and model-visible tool hints, while preserving the atomic projection-admission contract.
  • Build Conformance and Verification: Create golden fixtures, compatibility tests, negative tests, fuzz/property tests, and conformance suites that prove APF-compatible runtimes and adapters honor the same contract.
  • Collaborate with Runtime Owners: Engage alongside OpenShell and Infrastructure engineers on public runtime interfaces for projection consumption, runtime context attestation, approved adapter paths, direct egress verification, and admission/rejection semantics.
  • Land the Runtime integration surfaces: Own cross-team work to land public substrate interfaces APF composes against — runtime-context attestation, approved adapter path declaration, projection acceptance/rejection semantics, quarantine, and stop-session hooks, published as RFCs or PRs.
  • Drive Architecture Maturity: Define versioning, schema compatibility, latency budgets, availability behavior, fail-closed defaults, last-known-good policy handling, and engineering review artifacts for Product Security, Fleet, Identity, and partner teams.
  • Evolve technical specifications: Write specifications, defend bounded claims in security and architecture reviews, drive open-decision resolution, and turn working-draft contracts into engineering artifacts for adoption by Product Security, Fleet, Identity, and partner runtimes.

Qualifications

  • Bachelor's degree (or equivalent experience) with 15+ years of industry experience in systems software, security engineering, distributed systems, or policy infrastructure.

Skills

Required:Programming languagesLinux/SystemsSecurity engineeringArchitecture leadership
Last updated Jun 26, 2026. Interested? Apply on the company site.

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