Ethernet & Optical Network Engineer 24/7 Incident Ownership

Colt Technology Services; Barcelona; On-site; EUR 45,000 - 65,000; Full time

Job summary

Colt Technology Services in Barcelona seeks a Network Engineer to troubleshoot live Ethernet and Optical services across Europe, own incidents end-to-end, and collaborate with field teams, partners and vendors to restore services quickly.

You will gain exposure to a broad range of networking technologies, including Layer 1/2, and contribute to improving reliability and customer experience while working in a 24/7 shift rotation.

Qualifications

• Must have practical experience troubleshooting Ethernet and/or Optical services in a live network environment.
• Good understanding of Layer 1 and Layer 2 networking and structured fault diagnosis.
• Experience supporting large-scale carrier or service-provider networks.
• Ability to own technical incidents and coordinate with multiple teams to resolution.
• Clear communication skills to explain issues to customers and partners.
• Spanish and English at B2 level or above (CEFR).
• Willingness to work in a 24/7 shift rotation.

Responsibilities

• Monitor, diagnose and resolve faults across Colt's European Ethernet and Optical network.
• Troubleshoot Layer 1, Layer 2 and relevant Layer 3 services and identify root causes.
• Own customer incidents end to end with updates within SLAs.
• Collaborate with Field Maintenance, technical teams and vendors to resolve faults.
• Investigate recurring problems and contribute to reliability improvements.
• Produce RCA/RFO reports after significant incidents.
• Support planned network activities including upgrades and changes.
• Participate in the team's 24/7 shift rotation.

Skills

Ethernet

Layer 1/2 networking

Incident ownership

Communication skills

Languages: Spanish & English

24/7 shift readiness

Tools

Nokia gear

Ciena gear

Infinera gear

ADVA gear

Cisco/Juniper

Netcool/SMARTS

TACACS

Job description

Colt Technology Services in Barcelona seeks a Network Engineer to troubleshoot live Ethernet and Optical services across Europe, own incidents end-to-end, and collaborate with field teams, partners and vendors to restore services quickly.

You will gain exposure to a broad range of networking technologies, including Layer 1/2, and contribute to improving reliability and customer experience while working in a 24/7 shift rotation.