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 produced the world's first single‑crystal diamond wafers and are on a mission to put a diamond behind every chip. With $515 million in funding and a multi‑billion expansion plan, we convert greenhouse gas into diamond wafers using zero‑emission energy.

We are seeking a hands‑on Senior Data Systems Engineer (Networking) to join Diamond Foundry’s integral IT team. The role is based in Zaragoza and supports Tier‑1 manufacturing and office environments worldwide, collaborating 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
- 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.

Qualifications
- 7+ years enterprise network engineering experience; manufacturing or 24/7 environments strongly preferred.
- Strong hands‑on experience with Wi‑Fi design, VLANs, routing, firewalls, ISPs and VPNs.
- Experience supporting production‑critical or high‑availability environments.
- Familiarity with platforms such as Cisco (Meraki), CloudFlare, Atlassian, monitoring tools, Cloud networking (GCP, AWS), and on‑prem infrastructure.
- Bilingual fluency in English and Spanish required; German is a plus. Ability to tr

📌 Senior Data Systems Engineer (Zaragoza)
🏢 Diamondfoundry
📍 Zaragoza