Staff Mobile Core Signaling Engineer

New

EMnify GmbH

Job

In this role, you will develop Core Network services, work with Diameter and SS7, support onboarding of new partners, troubleshoot complex issues, and enhance network observability and traffic management.

Job summary

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Job technologies

Your role in the team

  • Developing and maintaining Core Network services.
  • Working with Diameter, SIGTRAN, SS7 and related signalling technologies.
  • Supporting the onboarding of new connectivity partners and roaming integrations.
  • Troubleshooting complex signalling and connectivity issues.
  • Designing resilient, highly available services.
  • Improving load balancing, rate limiting, and traffic management capabilities.
  • Driving cloud-native migration initiatives.
  • Contributing to multi-region and disaster recovery designs.
  • Analysing signalling incidents and performance bottlenecks.
  • Developing overload protection and rate-limiting strategies.
  • Improving observability, monitoring, and operational readiness of network services.
  • Reducing operational toil through automation.

Our expectations of you

Qualifications

  • Strong background in mobile core networks.
  • Telecom protocol testing and debugging.
  • Deep understanding of Diameter, SIGTRAN, SS7, GSM/LTE core concepts and roaming architectures.
  • Ability to troubleshoot complex signalling and connectivity issues.
  • Interest in automation and reducing operational toil.
  • Good knowledge of AWS.

Experience

  • Experience with telecom vendors and roaming partners.
  • Experience with HLR, HSS, SMSC, STP, DRA and related components.
  • Experience with either: C/C++, Java, or Go.
  • Experience developing and maintaining network services.
  • Experience with load balancing, rate limiting, and overload protection.
  • Experience with monitoring, observability, and incident analysis.
  • 5G Standalone Core experience.
  • IoT connectivity experience.
  • Experience with eSIM/SIM management platforms.
  • Experience with Kubernetes and cloud-native systems.

What we offer

  • Our roles are designed as hybrid, remote, or include relocation opportunities.
  • Enjoy a generous time-off policy starting at 30 days (location-based) to recharge and focus on what matters most.
  • Ongoing professional development opportunities through access to courses, certifications, or conferences.
  • Join regular company events and team outings to connect with colleagues, celebrate, and have fun. Oh, and did we mention our dog-friendly offices?

Topics you will work on

Job locations

Map of the job locations
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  • Location Würzburg
    Bayern, Germany
  • Location Berlin
    Germany

About your employer

EMnify wurde 2014 von drei Pionieren der Telekommunikationsbranche gegründet und ermöglicht mobile IoT-Konnektivität auf globaler Ebene. Die cloud-basierte Technologie wurde speziell für das Internet der Dinge entwickelt.

Company type
Established Company
Work model
Full Remote, Hybrid, Onsite
Industry
Internet, IT, Telecommunication
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Staff Mobile Core Signaling Engineer

EMnify GmbH