X4 Technology
Network Engineer
X4 TechnologyGermany1 day ago
Full-timeRemote FriendlyConsulting, Engineering

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Job Title: Transmission Network Engineer

Location: Frankfurt or Düsseldorf (predominantly remote 70/30)

Job Type: Full-time

Contract Type: Permanent

Project: Telecommunications and Network Services





Job description Transmission Network Engineer (WDM / SDH / Optical / IP)

Join a dynamic and growing team shaping the future of transmission networks for top-tier telecom clients across Germany. We’re looking for a Transmission Network Engineer who’s passionate about transport technologies and eager to work on cutting-edge network infrastructure projects.

  • Contribute to the planning, configuration, monitoring, and troubleshooting of optical and packet-based transmission networks (e.g., WDM, SDH, ASON, Ethernet)
  • Participate in the design and implementation of HLD and LLD (High/Low-Level Design) documents
  • Support deployment, maintenance, and performance optimization of national and regional transmission systems
  • Engage with engineering teams to ensure seamless integration across fiber optics (DWDM, FTTH, FTTB) and IP layers
  • Collaborate with clients and internal teams to address network escalations, resolve faults, and ensure SLA compliance
  • Over time, develop expertise in transmission management systems, provisioning, and automation tools



Key Requirement

  • Degree in Communications Engineering, Electrical Engineering, Computer Science, or a related field
  • Knowledge of transmission technologies: DWDM, SDH, Ethernet, ASON, or similar
  • Understanding of optical networks, fiber infrastructure, or telecom systems
  • Familiarity with network management tools and OSS/BSS platforms is a plus
  • German (B2+) and English (professional proficiency) needed
  • Willingness to travel within Germany when needed


Company benefits

  • Competitive salary with performance-based bonuses
  • Hybrid work model with modern equipment and tools
  • Comprehensive onboarding, training & certifications
  • Access to corporate benefits, mobility allowance, and wellness perks
  • Supportive team culture with mentoring and career development
  • Involvement in innovative telecom transformation projects across Europe


Interview: Immediately

Start date: October, willing to accommodate notice period

Key Skills

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