Infrastructure Engineer (Cloud Security)

Location: On-site in hirify.global's San Francisco office, United States

Company

hirify.global develops AI models trained continuously on each customer's documents, messages, code, and knowledge bases.

What you will do

• Build and operate cloud infrastructure for training and serving customer models.
• Design and maintain isolation boundaries for customer data, training runs, and models across cloud and hirify.global-managed bare-metal compute.
• Partner with researchers and engineers to develop secure, standardized infrastructure patterns.
• Evaluate and secure infrastructure providers and tools, including Modal, Baseten, Fireworks, bare-metal compute, and Kubernetes.
• Lead security operations and customer trust activities, including logging, monitoring, incident response, security reviews, and compliance work.

Requirements

• Bachelor's degree or equivalent practical experience in computer science, engineering, machine learning, or a related field.
• Four years of work experience as a software engineer or equivalent, excluding internships.
• Production infrastructure experience on AWS, including IAM expertise with cross-account roles, STS, resource and key policies, KMS, and multi-account organizations.
• Infrastructure-as-Code experience with Terraform or similar at multi-account scale, including secure patterns for networks, IAM, and shared services.
• Experience applying a rigorous approach to multi-tenant isolation.
• A track record of owning complex, production-critical systems end to end.
• Comfort with ambiguity and high ownership at an early-stage company.
• Strong production-grade coding skills in Python, Rust, or a similar language; the role includes shipping code as well as configuration.
• No prior machine learning experience is required.

Nice to have

• Experience as an early infrastructure or security hire at a startup.
• Experience with machine learning infrastructure, including GPU training and model serving.
• Experience supporting enterprise security reviews and compliance programs such as SOC 2.
• Open-source contributions, talks, or writing on cloud or infrastructure security.
• Experience with Azure or GCP.

Culture & Benefits

• Work in person from the San Francisco office.
• Join an early-stage company with high ownership and ambiguity.
• Competitive cash compensation and startup equity.
• Equal opportunity employment and an inclusive hiring approach.