Network Security Architect

GTT Communications, Inc.
📍 Copenhagen, Copenhagen, Denmark 💼 Full time 🕒 Posted June 03, 2026

Job Description

As a Network Security Architect, you will be the visionary and lead designer for our secure network infrastructure. You will design, build, and oversee the implementation of security systems that protect our nationwide ISP backbone, data centers, and customer-facing services. This role requires a deep understanding of BGP security, DDoS mitigation at scale, and the integration of security into high-throughput transport networks.

Responsibilities:

  • Architectural Design: Develop and maintain the security blueprint for the ISP core, edge, and access networks.

  • DDoS Mitigation: Design and optimize multi-layered DDoS protection strategies using scrubbing centers, flow-based monitoring (NetFlow/SFlow), and RTBH (Remote Triggered Black Hole) filtering.

  • Infrastructure Security: Hardening of critical network elements (routers, switches, OLTs) and implementing robust AAA (Authentication, Authorization, and Accounting) frameworks.

  • BGP ...

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    Job Details

    • Location Copenhagen, Copenhagen
    • Job Type Full time
    • Category Computer Occupations
    • Posted Date June 03, 2026
    • Application Deadline July 13, 2026