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 general 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 travel between company locations in Spain as needed.

Diamond Foundry offers a variety of benefit programs, generally including health insurance, flexible spending accounts, retirement savings plans, life and disability insurance programs, and paid and unpaid time away from work. Perks include employee discounts to VRAI. All benefits begin the first day.

Diamond Foundry is an Equal Opportunity Employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, age, disability, veteran status, or any other protected factor under federal, state or local law.

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