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Senior Network Administrator (m/f/d)home24 SE • New Bremen, Ohio, United States
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Senior Network Administrator (m/f/d)

home24 SE
  • US
    New Bremen, Ohio, United States
  • US
    New Bremen, Ohio, United States
Jetzt Bewerben

Über

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.
Your Responsibilities
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.
Your Profile You are a solution-oriented expert who thrives in a collaborative environment:
Experience: Several years of proven experience in complex enterprise network administration.
Networking Expertise: Mastery of routing protocols (BGP, OSPF), VLANs, and traffic management (QoS).
Cloud Fluency: Strong, hands-on experience with AWS networking and permission management.
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.
What we offer you Your impact
The chance to make an impact in a highly motivated team of professionals.
An open-minded culture ready to incorporate new and creative ideas.
Your growth
Extensive learning opportunities from our home24 academy and external partners.
Room for growth and development within your role through regular feedback rounds.
Your path
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 on 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 #ridinghome.
Your second home
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.
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  • New Bremen, Ohio, United States

Sprachkenntnisse

  • English
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