Senior Network Specialist – Transmission, DWDM, SDH

Role Overview

• Monitor, prioritise and track Transmission fault tickets received from the 1st Line team.
• Conduct 2nd level diagnostic checks and fault isolation ensuring accurate technical direction.
• Manage technical and managerial escalations within defined timeframes.
• Coordinate testing with customers, internal teams, external agencies and third-party providers.
• Ensure compliance with quality procedures, operational processes and SLAs.
• Manage reactive incidents to achieve timely resolution or escalate to 3rd Line teams where required.
• Support adherence to the process framework aligned to Transmission Operations.
• Work collaboratively with the team as part of a 24/7 rotating shift system.
• Manage incident queues, allocate tasks efficiently and act as the primary escalation point for the shift.
• Serve as a Subject Matter Expert across tools and technologies, guiding the 2nd Line team on complex tasks.
• Deliver training sessions to enhance team capabilities and drive continuous improvement.

Requirements

• 5–8 years of network operations experience within the telecom sector.
• Strong understanding of DWDM, SDH and related Transmission technologies.
• Hands-on experience with Nortel (TN1C, 1X, 4XE, 16Xe), Marconi (OMS840, 846, OM16XX) and Ciena 6500.
• Proven experience in Network Operations Centre environments and resolving Transmission network faults.
• Excellent understanding of global telecom infrastructure in a 24x7x365 environment.
• Experience engaging with multiple third-party network providers and equipment vendors.
• Strong communication abilities suited to both technical and non-technical audiences.
• Adaptability to international working environments, especially UK and European setups.
• Understanding of ITIL Incident Management frameworks.
• Desired: Experience working with UK network operators.
• Desired: Understanding of IP and Voice services, and exposure to OTN technologies.
• Desired: Awareness of tools such as Remedy, Cramer, and BT Wholesale/Openreach systems.

Benefits

• Opportunity to work in a global telecom environment directly supporting UK operations.
• Exposure to cutting-edge Transmission technologies across DWDM, SDH, OTN and multiservice platforms.
• Continuous learning through training, cross-functional interactions and hands-on technical problem solving.
• Opportunity to lead incident management during shifts, enhancing leadership and decision-making skills.
• Collaborative environment with opportunities to contribute to process improvements.