Staff Software Engineer - Cloud Infrastructure

Skills

About the Role

You will own Arena's cloud architecture end to end, deciding where applications run and how long-running AI agent workflows execute. You will build identity, secrets and network controls, manage everything as code, set reliability practices, keep cost and risk visible, and help hire and mentor the infrastructure team.

Requirements

• 6+ years building and operating production cloud infrastructure, including owning architecture decisions
• Deep hands-on experience with GCP and/or AWS, Kubernetes, and Terraform or similar
• Strong experience with cloud identity and secrets: OIDC, workload identity federation, IAM, secret managers, key rotation
• Experience running serverless or edge platforms (Vercel, Cloud Run, Lambda, Cloudflare Workers)
• Experience with queues, workflow engines or durable execution systems
• Track record leading infrastructure through incidents
• Clear written communication

Responsibilities

• Own cloud architecture end to end: hosting, compute, networking
• Decide and execute on hosting and workload strategy including serverless, edge, containers, Kubernetes and durable execution
• Build workload identity, least-privilege IAM, short-lived credentials and audited secrets management
• Design network boundaries, private connectivity and egress controls
• Manage all infrastructure as code with CI/CD and review practices
• Establish reliability practices: SLOs, monitoring, alerting, on-call, incident response
• Keep infrastructure cost and risk visible and improve them
• Help hire and mentor the infrastructure team

Benefits

• Comprehensive health and wellness benefits, including medical, dental, vision, and additional support programs