Senior Network Administrator

Home24 GmbH

Job

In this position, you will design a scalable network architecture, manage WAN/VPN connections, secure the infrastructure, and analyze complex issues to implement innovative solutions.

Job summary

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Job technologies

Your role in the team

  • We are looking for an experienced and proactive Senior Network Administrator to join our IT Infrastructure team. Your mission is to provide a rock-solid, high-performing, and secure network foundation that enables the entire organization to operate reliably and efficiently.
  • In this role, you will act as the technical owner of our networking stack, ensuring stability for both our core infrastructure and our cloud-integrated services.
  • Network Architecture & Strategy: Design, implement, and evolve a scalable network architecture that supports current and future business needs.
  • WAN / VPN Management: Manage, optimize, and secure global WAN connectivity and site-to-site/client VPN tunnels to ensure reliable communication across branches and remote users.
  • Business Continuity: Develop and maintain disaster recovery plans for network infrastructure to ensure maximum uptime and rapid service restoration.
  • Network Security & Compliance: Proactively manage firewall rules, IDS/IPS configurations, and endpoint security to protect against threats.
  • Certificate & Identity Management: Manage the organization's SSL/TLS certificate lifecycle and network-related PKI infrastructure.
  • Network Troubleshooting: Serve as the final point of escalation for complex network performance issues, utilizing deep-dive packet analysis and monitoring tools.
  • Hardware Lifecycle: Oversee the installation, maintenance, and strategic replacement of networking hardware (switches, routers, firewalls, load balancers).
  • Backup & Verification: Establish robust backup schedules for network configurations and execute regular, documented 'Restore Tests' to ensure integrity.
  • AWS Cloud Networking: Manage AWS VPCs, transit gateways, and fine-tune AWS IAM permissions for network resources to maintain the principle of least privilege.

Our expectations of you

Qualifications

  • You are a solution-oriented expert who thrives in a collaborative environment.
  • Networking Expertise: Mastery of routing protocols (BGP, OSPF), VLANs, and traffic management (QoS).
  • Security Mindset: In-depth knowledge of SSL/TLS standards, firewalling, and network hardening.
  • Analytical Skills: Ability to troubleshoot intermittent connectivity issues using tools like Wireshark, NetFlow, or SNMP-based monitoring.
  • Communication: A structured, independent work style, with the ability to document complex systems for team knowledge-sharing.

Experience

  • Several years of proven experience in complex enterprise network administration.
  • Cloud Fluency: Strong, hands-on experience with AWS networking and permission management.

What we offer

  • The chance to make an impact in a highly motivated team of professionals.
  • An open-minded culture ready to incorporate new and creative ideas.
  • Extensive learning opportunities from our home24 academy and external partners.
  • Room for growth and development within your role through regular feedback rounds.
  • Hybrid working model: you have the flexibility to work from home on Wednesdays and Fridays in our standard working mode. We are in the office together Mondays, Tuesdays and Thursdays.
  • The possibility to work up to two months per year within Germany or from an EU country.
  • Up to 30 days paid vacation each year to unwind and recharge.
  • City mobility with a subsidized public transportation ticket and our eco-friendly bike leasing program.
  • International campus in the heart of Berlin featuring drive-in bicycle garage, outdoor space and lounge areas, fitness facilities, parent and multi-faith rooms close to the Berlin S-Bahn train station Landsberger Allee.
  • Company benefits including a pension scheme, 30% off the home24 assortment, and employee discounts at partner organizations.

Benefits

Health, fitness & fun

Topics you will work on

Job locations

About your employer

Home24 is a leading home and living e-commerce platform in Continental Europe and Brazil. We are active in eight countries and listed on the German stock exchange since 2018. Over 1,000 people work together to achieve our goal: to create happy homes for everyone, regardless of budget!

Language
English
Company type
Established Company
Work model
Onsite, Hybrid
Industry
Internet, IT, Telecommunication
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Senior Network Administrator

Home24 GmbH