About the Role
We are looking for a highly skilled Senior NOC Technician with a strong background in transport networks to join our Network Operations Center (NOC) team. In this critical role, you'll ensure the integrity, performance, and stability of cutting-edge SDH, DWDM, and photonic mesh networks across a large-scale telecom infrastructure.
You will be part of a high-performing team providing Tier 1 technical support, incident resolution, and network quality assurance, primarily for operations defined by Telefónica. If you thrive in fast-paced, high-responsibility environments and have deep knowledge of optical transport systems, we want to hear from you.
Key Responsibilities
* Perform Level 1 incident management: diagnose, troubleshoot, and resolve complex issues in SDH and DWDM transport networks.
* Support circuit activation and monitoring across various technologies and customer services (E1, STM, GE, 100/400GE, etc.).
* Manage customer complaints and provide technical support to on-site field teams.
* Conduct network quality analysis, identify performance issues, and propose corrective measures.
* Coordinate shift activities, ensuring smooth handovers and 24/7 service continuity.
* Escalate issues to vendors and internal teams using GRI, Telefónica mail, and other tools.
Your Expertise
* 7–10 years of hands-on experience as a NOC Technician specializing in transport network technologies.
* Strong working knowledge of SDH, DWDM, and advanced optical/photonic mesh networks.
* Familiarity with Huawei and Nokia equipment and network management systems.
* Proven experience supporting large telecom operators, with deep understanding of Telefónica's support and operation protocols.
* Technical proficiency in OTN, GMPLS, optical protections (1+1, MSP, SNCP), and high-capacity customer circuits.
* Ability to analyze and resolve complex incidents efficiently under pressure.
Tools & Technologies
* Incident management platforms: GRI, GEISER, MAR/Genesys
* Network Management Systems: Huawei U2000, Nokia NFM/T
* Reporting & Analysis: Excel, PowerPoint, Word, Power BI
* Communication & Vendor Coordination Tools: GRI, internal email systems
Languages
* Spanish – fluent (mandatory)
* English – intermediate or higher (preferred, not required)
What We Offer
* A dynamic, fast-paced work environment supporting critical network infrastructure.
* Career growth opportunities in a global telecom environment.
* Competitive salary and shift-based benefits.
* The chance to work with leading technologies and top-tier vendors.