2 days ago
Berlin, GermanyStaff+
Responsibilities
- Develop and maintain mobile core network services.
- Work with Diameter, SIGTRAN, SS7, and related signalling technologies.
- Support onboarding of connectivity partners and roaming integrations.
- Troubleshoot complex signalling and connectivity issues.
- Design resilient, highly available, multi-region, and disaster-recovery-capable services.
- Improve load balancing, rate limiting, traffic management, and overload protection capabilities.
- Drive cloud-native migration initiatives.
- Analyze signalling incidents and performance bottlenecks.
- Improve observability, monitoring, and operational readiness of network services.
- Reduce operational toil through automation.
Requirements
- Strong background in mobile core networks.
- Experience with telecom protocol testing and debugging.
- Experience working with telecom vendors and roaming partners.
- Deep understanding of Diameter, SIGTRAN, SS7, GSM/LTE core concepts, and roaming architectures.
- Experience with HLR, HSS, SMSC, STP, DRA, and related components.
- Experience developing and maintaining network services.
- Ability to troubleshoot complex signalling and connectivity issues.
- Experience with load balancing, rate limiting, overload protection, monitoring, observability, and incident analysis.
- Interest in automation and reducing operational toil.
- Nice-to-have experience with 5G Standalone Core, IoT connectivity, eSIM/SIM management platforms, Kubernetes, cloud-native systems, and AWS.
Tech Stack
Categories
About emnify
Emnify provides global cellular IoT connectivity and a cloud-native connectivity management platform for device makers and enterprises. The service offers subscriptions and usage-based plans with APIs for provisioning, monitoring, and billing devices across mobile networks and cloud environments. Founded in 2014 and headquartered in Berlin, the privately held company supports use cases such as fleet tracking, logistics, agriculture, and smart buildings.