network Engineer Optical (DWDM)
Network Engineer - Optical (DWDM)
Dublin, Ireland | Permanent | Full-Time
Join a Global Infrastructure Team Supporting Mission-Critical Networks
We are seeking a Network Engineer - Optical (DWDM) to join a highly skilled network operations team supporting large-scale optical transport infrastructure. This is an exciting opportunity to work on complex, high-capacity networks that connect critical digital services across multiple regions.
As part of the team, you will play a key role in maintaining network reliability, managing optical transport systems, supporting upgrades, and ensuring seamless connectivity across a large-scale production environment.
What You'll Be Doing
- Operate and support DWDM optical transport networks over fibre infrastructure
- Manage network events including fibre cuts, signal degradation, restoration, and rerouting activities
- Perform software upgrades on optical networking platforms within structured maintenance windows
- Troubleshoot optical transport issues and maintain network performance and availability
- Coordinate with internal engineering teams and external vendors
- Support change-managed network operations while ensuring minimal service impact
What We're Looking For
- 3+ years' experience in DWDM or Optical Transport Networks
- Strong understanding of DWDM, ROADM, transponders, amplifiers, mux/demux, and fibre infrastructure
- Experience within Network Operations, NOC, Telecoms, ISP, Carrier, or Optical Operations environments
- Strong troubleshooting and incident management capabilities
- Experience working within structured change-management processes
- Excellent communication and stakeholder management skills
Technology Environment
- DWDM Optical Networks
- Optical Fibre Infrastructure
- Multi-vendor Optical Platforms
- Ciena
- Cisco
- Infinera
- Nokia
Why Apply?
- Work on large-scale, business-critical networking infrastructure
- Join a collaborative and highly technical engineering environment
- Gain exposure to advanced optical networking technologies
- Excellent learning, development, and career progression opportunities
- Fast and streamlined interview process
Role Details
Location: Dublin, Ireland
Job Type: Permanent, Full-Time
Working Model: Office-based with occasional flexibility
If you're passionate about optical networking and want to work in a highly technical environment supporting critical network infrastructure, we'd love to hear from you.
Apply now or contact us for a confidential discussion.
GCS is acting as an Employment Business in relation to this vacancy.
network Engineer Optical (DWDM)
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