Staff Infrastructure Engineer, Cybersecurity

SandboxAQ is a high-growth company delivering AI solutions that address some of the world's greatest challenges. The Cybersecurity Group is looking for a Staff Infrastructure Engineer to build the engineering platform for their Cryptographic Posture Management and AI Security Posture Management products.

Responsibilities:

• Engineer the Platform: Design and build our internal self-service Cloud Platform as a Product. You will develop production-grade software that automates the provisioning, scaling, and lifecycle management of our global infrastructure
• Architect Scalable, Resilient Cloud: Lead the design of highly available, multi-region cloud architectures (AWS/GCP) for low-latency, high-throughput security services, making key decisions on distributed systems, state management, and disaster recovery
• Extend Kubernetes: Build and maintain custom Kubernetes Controllers, Operators, and CRDs to orchestrate complex, stateful workloads and enforce best practices automatically
• Infrastructure as Code (IaC) Rigor: Apply software engineering standards to IaC. Architect reusable Terraform/OpenTofu modules, implement automated infrastructure testing (Terratest), and enforce GitOps (ArgoCD) for deterministic deployments
• Build Developer Tooling: Design and code CLIs, APIs, and SDKs to abstract infrastructure complexity for product engineers while enforcing security and compliance guardrails
• Drive Technical Excellence: Mentor engineers on cloud-native patterns, review infrastructure code, and champion a culture of automation

Requirements:

• 5+ years of production experience in an Infrastructure, Platform, or Developer Productivity role
• Strong proficiency for developing SDKs, CLIs or APIs (Go, Python, Kotlin)
• Extensive experience designing, building, and maintaining complex orchestration pipelines
• Deep expertise in Kubernetes, containerization and container orchestration
• Production experience with large scale distributed systems
• Experience managing Infrastructure as Code (IaC) with tools like Terraform, Helm
• Extensive cloud provider experience with AWS or GCP
• Production experience building artifacts in a monorepo
• Production experience with any hermetic build system, but especially Bazel
• Experience managing and securing data infrastructure like Kafka and Postgres at scale
• Familiarity with service mesh technologies such as Istio
• General knowledge of cryptography