Sandbox Engineer - Remote Position at Flashbots

About the Role

We're hiring a Sandbox Engineer to join our team at Flashbots. This remote position offers you the chance to take end-to-end technical ownership of our auction sandbox, ensuring its reliability and ease of use. As a Sandbox Engineer, you will work closely with various teams to drive innovation and maintain high operational standards.

What You'll Do

• Own reliability end-to-end for the auction sandbox and related services, including deployment, upgrades, incident response, and operational hygiene.
• Audit and consolidate scattered components into a coherent system with a clear roadmap and interfaces.
• Build and automate containerized environments for latency-sensitive workloads, ensuring reproducible builds and safe defaults.
• Create comprehensive operator and user documentation, including runbooks, troubleshooting guides, and known failure modes playbooks.
• Collaborate with teams across TEE, infrastructure, and product to enhance sandbox capabilities while tightening security and improving developer experience.

Requirements

• Experience operating Linux production systems with real ownership, including on-call responsibilities and long-term maintenance.
• Strong fundamentals in Linux and networking, with the ability to debug processes, sockets, and filesystems.
• Hands-on experience with containers (Docker/Podman) and familiarity with orchestration.
• A proven track record as a DRI for complex services, focusing on reliability and documentation.
• User empathy, with a focus on understanding constraints and workflows before implementing changes.

Nice to Have

• Exposure to confidential computing or adjacent isolation technologies.
• Experience with reproducible build pipelines or hardened execution environments.
• A history of maintaining open-source infrastructure or running a serious homelab setup.

What We Offer

• Unlimited PTO with a high level of freedom and autonomy.
• Attractive health coverage package for US employees.
• $3000 yearly budget for individual learning and development goals.
• Remote work flexibility, with a preference for EU/US time zones.
• Paid travel for team on-site meetings and events.

At Flashbots, we are committed to building a diverse and inclusive team. We welcome applications from all qualified candidates regardless of gender, race, ethnicity, religion, sexual orientation, age, or disability status.