Network & Telecom Administrator L3

Vor 3 Tagen

Berlin, Berlin, Deutschland H-TECH SUPPORTS Vollzeit

About the Role

We are seeking a highly skilled L3 Network & Telecom Administrator to provide onsite support for our client's network and telecom infrastructure. This role requires hands-on expertise in diagnosing, troubleshooting, and resolving advanced network issues, along with the ability to execute tasks assigned by the Network/IT team.

The environment includes FortiGate firewalls, FortiSwitches, and Extreme Networks Access Points.

Key Responsibilities

  • Provide L3-level onsite support for network and telecom issues.
  • Troubleshoot and resolve complex incidents related to Fortinet security and switching and Extreme Networks wireless environments.
  • Perform configuration, upgrades, monitoring, and maintenance of network components.
  • Execute scheduled tasks assigned by the client's network engineering team.
  • Perform health checks, performance analysis, and fine-tuning of network infrastructure.
  • Document issues, actions taken, and recommendations for improvements.
  • Coordinate with internal teams and escalate issues when necessary.
  • Ensure high availability, stability, and security of the network infrastructure.

Required Skills & Qualifications

  • 5+ years of experience as a Network Engineer / Network Administrator / Telecom Administrator.
  • Strong L3 troubleshooting capabilities in enterprise network environments.
  • Hands-on experience with:
  • FortiGate Firewalls (mandatory)
  • FortiSwitch (mandatory)
  • Extreme Networks Access Points (preferred)
  • Strong understanding of routing, switching, firewall policies, VLANs, VPNs, SD-WAN, and wireless technologies.
  • Experience handling onsite support, emergency issues, and high-priority escalations.
  • Ability to work independently with minimal supervision.
  • Relevant certifications are a plus (Fortinet NSE, CCNP, Extreme Networks certs).

Soft Skills

  • Excellent communication and client-facing skills.
  • Strong problem-solving and analytical abilities.
  • Ability to work under pressure and handle multiple tasks.

Job Types: Full-time, Contract

Contract length: 1 week

Application Question(s):

  • As our engineer is going on leave in the last week of February 2026, are you available for that week?
  • Do you have valid work permit in Germany?

Language:

  • German (Required)
  • English (Required)

Location:

  • Berlin (Required)

Work Location: In person

  • Server & Network Administrator (m/w/d)

    Vor 5 Tagen

    Berlin, Berlin, Deutschland shopware AG Vollzeit

    Shopware ist ein führendes E-Commerce-System, das es Unternehmen weltweit ermöglicht, im digitalen Handel schnell und effizient zu skalieren. Als zukunftsweisende Open-Source-Lösung wird Shopware bereits von einigen der größten europäischen Marken, Einzelhändlern und Herstellern im B2C- und B2B-Bereich eingesetzt.Die Position ist im Bereich IT...

  • Systems Engineer

    Vor 5 Tagen

    Berlin, Berlin, Deutschland Mackinnon Bruce International Vollzeit

    Location:Berlin, Germany (Hybrid – 3 days office / 2 remote)Travel:Approx. 25% across EMEAAbout the Company:Amarket-leading international manufacturer of optical fiber and cable systemsis looking for a Systems Engineer to join their EMEA Engineering team. This hire is part of a planned transition, offering the incoming engineer the chance to inherit a...

  • Junior / Middle System Administrator

    Vor 7 Tagen

    Berlin, Berlin, Deutschland BARFER'S Vollzeit

    We're looking for aJunior / Middle System Administratorto join our team and help ensure the smooth operation of the company's entire internal infrastructure. Key responsibilities are end-user support, setting up and configuring workplaces, administration of Microsoft 365 services.We expect that you already have hands-on experience with Azure, Microsoft 365,...

  • Junior / Middle System Administrator (all genders)

    Vor 7 Tagen

    Berlin, Berlin, Deutschland BARFER'S Vollzeit

    We're looking for a Junior / Middle System Administrator to join our team and help ensure the smooth operation of the company's entire internal infrastructure. Key responsibilities are end-user support, setting up and configuring workplaces, administration of Microsoft 365 services. We expect that you already have hands-on experience with Azure, Microsoft...

  • Junior / Middle System Administrator (all genders)

    Vor 7 Tagen

    Berlin, Berlin, Deutschland BARFER'S Vollzeit

    We're looking for a Junior / Middle System Administrator to join our team and help ensure the smooth operation of the company's entire internal infrastructure. Key responsibilities are end-user support, setting up and configuring workplaces, administration of Microsoft 365 services. We expect that you already have hands-on experience with Azure, Microsoft...

  • Junior / Middle System Administrator (all genders)

    Vor 7 Tagen

    Berlin, Berlin, Deutschland BARFER'S Vollzeit

    We're looking for a Junior / Middle System Administrator to join our team and help ensure the smooth operation of the company's entire internal infrastructure. Key responsibilities are end-user support, setting up and configuring workplaces, administration of Microsoft 365 services.We expect that you already have hands-on experience with Azure, Microsoft...

  • IT Administrator

    vor 2 Wochen

    Berlin, Berlin, Deutschland Shopware Vollzeit 60.000 € - 120.000 € pro Jahr

    Job DescriptionShopware is a leading ecommerce system that enables companies worldwide to scale quickly and efficiently in digital commerce. As a trendsetting open source solution, Shopware is already used by some of the largest European brands, retailers and manufacturers in the B2C and B2B industries.The role sits withinIT Operations, in theIT...

  • System Engineer Multi-Tenant Data Centres EMEA

    Vor 7 Tagen

    Berlin, Berlin, Deutschland Beautiful Recruitment Vollzeit

    Do you want to work for a global market leader and true pioneer in the fibre optics and optical communications field? If yes, read onOur client is one of the world's leading innovators in glass, ceramic, and materials science. From the depths of the ocean to the farthest reaches of space, their technologies push the boundaries of what's possible.How do they...

  • System Engineer

    Vor 5 Tagen

    Berlin, Berlin, Deutschland Mackinnon Bruce International Vollzeit

    Location:Berlin, Germany (Hybrid – 3 days office / 2 remote)Travel:Approx. 25% across EMEAAbout the Company:Our client is aglobal leader in fiber connectivity and data infrastructure solutions, supporting some of the world's largest hyperscale and multi-tenant data centers. Following strong EMEA growth, they're expanding theirData Center Systems...

  • IT System Administrator

    Vor 5 Tagen

    Berlin, Berlin, Deutschland Forteil GmbH - bonify Vollzeit

    About usJoin bonify, Germany's leading platform for credit scoring and financial management. We are on the mission to revolutionize the FinTech industry and make the credit score and financial data available and transparent for our users. We are seeking a talented Head of Engineering to join our dynamic team in Berlin. Founded in 2015 by industry leaders...