Principal Engineer (AI Infrastructure)

Location: San Francisco, CA, US; on-site

Salary: $285,000–$335,000 annually plus bonus; restricted stock units included.

Company

hirify.global builds vertically integrated AI infrastructure spanning energy, data centers, hardware, and cloud services.

What you will do

• Define the end-to-end architecture and operating standards for Conductor, hirify.global’s AI infrastructure operating platform.
• Design twin sources of truth for runtime observability and infrastructure inventory, including a traversable topology graph.
• Build reconciliation, policy enforcement, workflow orchestration, and lifecycle automation for more than 100,000 GPUs.
• Orchestrate provisioning, imaging, firmware upgrades, validation, repair, RMA, re-admission, and rollback workflows.
• Develop unified observability across GPU, networking, storage, orchestration, and workload signals.
• Lead architecture across hardware, networking, compute, validation, data center, and product teams while mentoring senior engineers.

Requirements

• 10+ years building infrastructure-layer systems at scale, including fleet management, distributed control planes, provisioning, inventory, or hardware lifecycle automation.
• Deep experience with distributed systems, state reconciliation, event-driven orchestration, workflow engines, and policy enforcement.
• Hands-on experience with bare-metal provisioning using PXE, Redfish, or IPMI; firmware and BIOS management; GPU telemetry; and InfiniBand or RoCE fabrics.
• Experience designing high-cardinality observability or telemetry platforms across compute, network, and storage layers.
• Strong software engineering fundamentals in Go, Rust, C++, or a similar systems language.
• Demonstrated technical leadership across multiple teams, including architecture reviews, senior-engineer mentorship, and multi-quarter roadmap delivery.

Nice to have

• Experience with graph data models for infrastructure topology.
• Experience with security attestation or SBOM tooling.

Culture & Benefits

• Competitive compensation, bonus, equity, and restricted stock units.
• Paid time off, holidays, parental leave, and leave of absence programs.
• Health, dental, and vision insurance, including employer HSA contributions.
• 401(k) plan with company matching up to 4% of salary.
• Professional development, tuition reimbursement, mental health support, commuter benefits, and daily meal allowance.
• Global travel insurance, emergency assistance, volunteer time off, and location-specific programs.