Diamond Foundry Inc. is solving the thermal limitation at the foundation of today's most exciting tech industries -- AI & cloud compute, electric-car power electronics, and 5G/6G wireless. We have managed to produce the world's first single-crystal diamond wafers and are now on a mission to put a diamondbehind every chip. We are the rare unicorn that has grown fast and profitably. We received $515m in funding and are executing a multi-$B expansion plan for one of the greenest forms of tech manufacturing: converting greenhouse gas into diamond wafers using zero-emission energy.

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We are seeking a hands-on Senior Data Systems Engineer (Networking) to join Diamond Foundry’s general IT team, serving as the senior-most network authority across the organization. Based in Zaragoza, this role supports Tier-1 manufacturing and office environments globally, working closely with a predominantly U.S.-based IT team to ensure production uptime,



enable rapid site growth, and strengthen network resiliency across all regions.

Responsibilities

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- Own and operate LAN, WAN, and Wi‑Fi infrastructure for Tier-1 manufacturing and office environments.
- Lead network readiness for new site builds and expansions, including the plant in Zaragoza and future Spain facilities.
- Manage routing, switching, firewalls, VPNs, and ISP circuits, including vendor coordination and escalation. Troubleshoot and resolve network-related issues, including VLANs, VPNs, and firewall configurations.
- Establish and maintain network standards, documentation, and operational best practices.
- Act as senior escalation for production-impacting network issues and complex troubleshooting.

Requirements

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- 7+ years enterprise network engineering experience; manufacturing or 24/7 environments strongly preferred.
- Strong hands-on experience with Wi‑Fi design, VL

📌 Senior Data Systems Engineer (Zaragoza)
🏢 Diamond Foundry
📍 Zaragoza