> Markdown version of [/jobs/ext/4124849-staff-network-reliability-engineer](https://www.wearedevelopers.com/jobs/ext/4124849-staff-network-reliability-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Staff Network Reliability Engineer

- **Company:** IONOS SE
- **Location:** Karlsruhe, Germany
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Bash Shell, Border Gateway Protocol, Continuous Integration, Linux, Python (Programming Language), Network Layer, Open Shortest Path First (OSPF), Operational Databases, Ansible, Tcpdump, Computer Network Operations, Reliability of Systems, Juniper, Gitlab, Git, Iptables, Open Network Automation Platform, Cisco
- **Published:** October 31, 2026
- **Apply:** https://www.adzuna.de/details/5944766142

## About the Role

* Extensive hands-on experience operating large-scale production data center networks (5+ years for Senior, longer for Staff).
 * Deep Layer 2 and Layer 3 knowledge: routing (BGP, OSPF) and VXLAN with BGP/EVPN.
 * Multi-vendor operations across Juniper and Cisco; SONiC and Netbox familiarity is a plus.
 * Strong Linux fundamentals and the toolkit that goes with them (bash, tcpdump, iptables, git).
 * Network automation you have built, using Python with Ansible and CI/CD on GitLab.
 * A reliability-engineering mindset: SLOs, observability, incident command, postmortems, designing out toil.
 * Fluent, critical use of AI in daily engineering, plus a track record or credible ideas for applying AI to network operations.
 * Fluent English for international teams; German is a plus. Ownership and a calm approach when things break.