jobapplier

Staff Mobile Core Signalling Engineer

emnify

Skills

Required

  • roaming
  • rate limiting
  • observability
  • SIGTRAN
  • SS7
  • load balancing
  • monitoring
  • mobile core networks
  • Telecom protocol testing
  • debugging
  • telecom vendors
  • GSM/LTE

Preferred

  • signalling
  • 5G Standalone Core
  • IoT connectivity
  • eSIM / SIM management platform
  • Kubernetes
  • cloud-native systems
  • AWS
  • automation
  • integration

Responsibilities

  • -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.
  • -Reliable connectivity for IoT customers worldwide: Your work keeps signalling and roaming services available, fast and resilient, so customers' devices stay connected across networks.
  • -A scalable, cloud-native Core Network: You help move emnify's platform toward multi-region, disaster-resilient and automated operations.
  • -Faster incident resolution: Your analysis of signalling incidents and bottlenecks shortens recovery times and prevents repeat failures.
  • -Faster partner onboarding: Your expertise speeds up the integration of new connectivity partners and roaming relationships.
  • -Less operational toil: Automation and better observability free the team to focus on engineering improvements.

Requirements

  • -Strong background in mobile core networks.
  • -Telecom protocol testing and debugging.
  • -Experience 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 and overload protection.
  • -Experience with monitoring, observability and incident analysis.
  • I-nterest in automation and reducing operational toil.

Preferred

  • -5G Standalone Core experience.
  • -IoT connectivity experience.
  • -eSIM / SIM management platform experience.
  • -Experience with Kubernetes and cloud-native systems.
  • -Good AWS knowledge.