Infrastructure Engineer, Americas

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Category Labs (formerly known as Monad Labs) is a team of systems engineers and researchers on a mission to design and build at the frontier of decentralized technology. We strive to create step‑function improvements over existing blockchain solutions. After raising $225M in Series A financing led by Paradigm, we are growing our team.

We are looking for an Infrastructure Engineer, Americas with a strong grounding in Linux systems, networking, and a proven track record of designing infrastructure automation and testing solutions. The ideal candidate will join a small, talented team of systems experts to extend our global, high‑performance network’s testing and automation capabilities.

• Scale and support global networks of bare‑metal servers across dozens of data centers.
• Product ionise blockchain software for thousands of geographically diverse nodes that rely on reliable and optimised networking.
• Investigate and resolve complex network issues to maximise uptime and robustness.
• Identify operational pain points and develop automated tools for continuous improvement.
• Serve as a liaison between node operators and core developers to establish best practices for operators.
• Participate in on‑call rotation for production support.

• Deep experience with network protocols (TCP/IP, UDP) and debugging related hardware issues.
• Significant experience optimisation of container technologies (Docker, Kubernetes, Terraform, Ansible, Puppet), especially as they relate to networking.
• Highly proficient with Linux command line and Git.
• Proficient in at least one backend development language such as Python, Go or C++.
• Experience writing scripts for deploying and maintaining infrastructure (Linux installations, clusters, networks).
• Experience evaluating and improving observability and security practices.
• Highly valued: significant experience running bare‑metal nodes at a validator or L1 company.

• Challenging problems that have massive impact – see our blogs, papers and talks for examples.
• A huge opportunity to advance the Ethereum Virtual Machine (EVM) standard with speed‑enhanced, performant chains.
• An exceptional, small team where you can shape culture and collaboration.
• Competitive salary and equity package.
• Strong backing from leading venture funds such as Paradigm, Electric Capital, Greenoaks, Dragonfly and Coinbase Ventures.

Minimum full‑time salary of $200,000. (This is not a guarantee of compensation or salary; a final offer may vary based on factors including but not limited to experience, domain expertise, and geographic location.)

• World‑class benefits package (medical/dental/vision)
• Unlimited paid time off
• 401(k) retirement plan + company match
• Lunch and dinner stipend (in‑office NYC)
• Monthly wellness benefit
• Paid parental leave

• Mid‑Senior level

• Full‑time

• Information Technology

• Software Development

Referrals increase your chances of interviewing at Category Labs by 2x.