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# Embedded Software Developer - Industrial Networking & Mobile Communications (gn)

- **Company:** Gi Group BPO
- **Location:** Karlsruhe, Germany
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), 4G (Telecommunication), LTE (Telecommunication), Automation of Tests, C++ (Programming Language), Cyber Security, Modems, Continuous Integration, Software Debugging, Linux on Embedded Systems, Embedded Software, Ethernet, Networking Hardware, Internet Protocol, Internet Protocol Security (IP SEC), IPv4, IPv6, Virtual Private Networks (VPN), OSI Models, Python (Programming Language), Routing, Public Key Infrastructure, Remote Access Technology, Roaming, Software Engineering, TCP/IP, Transmission Control Protocol (TCP), Wireshark, Virtual Local Area Networks, Multithreading, Firewalls (Computer Science), Git, Information Technology
- **Published:** September 24, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=9e472386409d3a9d

## About the Role

* Abgeschlossenes Studium im technischen Bereich (Informatik, Elektrotechnik, Nachrichtentechnik, Automatisierungstechnik) und mehrjährige Erfahrung in der Embedded Softwareentwicklung
 * Sehr gute Kenntnisse in C/C++ und Embedded Linux, inklusive Debugging auf Targets
 * Fundiertes Wissen in Ethernet/TCP/IP (OSI Layer 2/3); Industrial Ethernet/PROFINET von Vorteil
 * Praxis mit LTE/5G-Modemintegration und Mobilfunkdiagnose wünschenswert
 * Kenntnisse in IPsec/VPN/Security (z. B. IKEv2, Zertifikate/PKI, Firewall) von Vorteil
 * Sicher im Umgang mit Git, idealerweise CI/CD und Testautomatisierung (Python/Java)
 * Analytische, strukturierte Arbeitsweise, Teamfähigkeit sowie Deutsch/Englisch

## Description

* Entwicklung hardwarenaher Embedded Software in C/C++ (u. a. Multithreading, Ressourcen-/Speichermanagement, Schnittstellen, Embedded Linux)
 * Entwicklung und Integration von Netzwerk- und Kommunikationsfunktionen für industrielle Netzwerkkomponenten sowie Analyse und Implementierung von Ethernet- und IP-Kommunikation (Layer 2/3, Switching, VLAN, Routing, TCP/UDP, IPv4/IPv6, NAT)
 * Integration von 4G/LTE- und 5G-Funktionen inkl. Modem-Anbindung (AT-Kommandos, SIM/eSIM, APN, Registrierung, Diagnose, Reconnect/Fallback/Roaming)
 * Implementierung/Integration von VPN/IPsec & Security (Site-to-Site/Remote Access, IKEv2, Zertifikate/PKI, Firewall, Segmentierung)
 * Systematisches Debugging & Troubleshooting mit Logs/Traces/Netzwerk-Tools (z. B. Wireshark) sowie Mitarbeit an Test- und CI/CD-Prozessen
 * Zusammenarbeit mit Entwicklung, Architektur und Test sowie technische Dokumentation


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