Ethernet & Optical Network Engineer — Remote-Eligible

Colt Technology Services Group Ltd.; Lisboa; Hybrid; EUR 45,000 - 65,000; Full time

Benefits offered by this job

Flexible working hours

Work from home option

Mentorship and training programs

Educational opportunities

Employee assistance program

Inclusive global culture

Job summary

Colt Technology Services Group Ltd. is seeking a skilled Network Engineer to own fault resolution across a pan-European Ethernet and Optical network.

You will act as the main interface for customers and collaborators, coordinating with interconnect partners and internal teams. Candidates should have strong troubleshooting capabilities, knowledge of Ethernet/Optical technologies, and fluency in Spanish and English.

Qualifications

• Fluent in Spanish and English is mandatory.
• Experience with Ethernet and Optical services across pan-European networks.
• Strong troubleshooting skills and fault ownership in a multi-vendor environment.

Responsibilities

• Proactively monitor and troubleshoot faults across a pan-European Ethernet/Optical infrastructure.
• Provide 24/7 shift coverage to ensure timely fault resolution.
• Act as single point of contact for customers and manage relationships with interconnect partners.
• Coordinate tasks with Field Maintenance and TAC teams, and document events in the fault management system.
• Plan and implement solutions for recurring problems and produce technical reports on RFO/RCA requests.
• Coordinate software upgrades with vendors and Colt teams.

Skills

Spanish

English

Network troubleshooting

Ethernet

WDM/DWDM

TDM/ADM/DCS

Netcool

SMARTS

InfoVista

TACACS

Tools

Netcool

SMARTS

InfoVista

Vendor EMS

Job description

Colt Technology Services Group Ltd. is seeking a skilled Network Engineer to own fault resolution across a pan-European Ethernet and Optical network.

You will act as the main interface for customers and collaborators, coordinating with interconnect partners and internal teams. Candidates should have strong troubleshooting capabilities, knowledge of Ethernet/Optical technologies, and fluency in Spanish and English.