Network Engineer – Ethernet & Optical (Pan-European, 24/7)

Colt Technology Services; Barcelona; On-site; EUR 55,000 - 75,000; Full time

Job summary

Colt Technology Services is seeking a skilled Network Engineer to join a pan-European Ethernet and Optical services team. The role involves end-to-end fault management, monitoring, and coordinating with partners to ensure seamless service delivery.

The successful candidate will be fluent in Spanish and English, with strong customer-facing skills and experience across Layer 1–3 networks. A 24/7 shift pattern is included.

Qualifications

• Proven troubleshooting experience across Ethernet and optical networks.
• Strong knowledge of Layer 1, 2 and 3 technologies.
• Ability to manage faults and drive resolution with SLAs.

Responsibilities

• Monitor, troubleshoot, diagnose and resolve faults across pan-European infrastructure.
• Take ownership of faults and coordinate with internal teams and partners.
• Provide a professional single point of contact to customers and maintain updates.

Skills

Network troubleshooting

Layer 1/2/3 services

Ethernet/WDM/DWDM

Cross-functional communication

Customer-facing support

Tools

Netcool

SMARTS

InfoVista

Job description

Colt Technology Services is seeking a skilled Network Engineer to join a pan-European Ethernet and Optical services team. The role involves end-to-end fault management, monitoring, and coordinating with partners to ensure seamless service delivery.

The successful candidate will be fluent in Spanish and English, with strong customer-facing skills and experience across Layer 1–3 networks. A 24/7 shift pattern is included.