Senior Data Systems Engineer (Networking)

Diamond Foundry

Zaragoza, Spain

Full Time

Posted June 4, 2026

€50k - €65k

Power Generation

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Job Description

We are seeking a hands-on Senior Data Systems Engineer (Networking) to join Diamond Foundry’s global IT team, serving as the senior-most network authority across the organization.

Key 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.

Requirements

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.