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Core Network Lead

3 weeks ago
Europe
Full-time
Lead
Network Engineer
DevOps and Infrastructure
Agile Ansible AWS Azure CI/CD Cisco Docker GCP Kubernetes Terraform
Apply Now
Airalo

Airalo

Airalo is the world's first eSIM store offering travelers access to eSIMs in 200+ countries & regions at affordable prices. With Airalo, travelers can manage their eSIMs, top up on the go, and enjoy pain-free connectivity while traveling. Say goodbye t...

Airlines
51-250
Founded 2019
$67M raised
View All Jobs 25

Description

  • Lead, mentor, and manage approximately five engineers and QA specialists across concurrent global rollout streams.
  • Own sprint planning, task allocation, technical reviews, and engineering delivery.
  • Establish engineering best practices, integration templates, automated testing strategies, and handover standards.
  • Lead technical integrations with host mobile network operators across signalling, packet core, voice, and messaging.
  • Architect and configure Full MVNO core components, including HSS/HLR, packet core, signalling routing, and messaging platforms.
  • Direct implementation and troubleshooting across Diameter and SS7 signalling stacks.
  • Own service readiness for data, voice, SMS, VoLTE, legacy circuit-switched voice, and international interconnects.
  • Deliver mobile number portability routing and market-specific regulatory compliance, including lawful interception and emergency services.
  • Partner with QA on integration, stress, and acceptance testing; lead readiness reviews and handovers to the 24/7 Run team.
  • Participate in the paid on-call rotation supporting global service reliability.

Requirements

  • 5+ years of hands-on experience with mobile core networks and Full MVNO integrations.
  • 2+ years of experience leading engineering or QA teams in an agile or delivery-focused environment.
  • Strong knowledge of packet and voice core technologies, including HSS/HLR, policy and charging, VoLTE, and legacy circuit-switched voice.
  • Expertise with Diameter, SS7, and SIP signalling.
  • Experience with messaging architecture, SMS routing, and operator interworking.
  • Experience delivering mobile number portability and lawful interception solutions.
  • Strong delivery, communication, documentation, and multitasking abilities across concurrent rollout streams.
  • Experience with CI/CD, infrastructure as code using Terraform or Ansible, containerization, or automated signalling test frameworks (preferred).
  • Experience with MVNO vendors such as Nokia, Ericsson, Mavenir, Oracle Communications, Cisco, Summa Networks, NetNumber, or XIUS (preferred).
  • Experience with cloud-native or virtualized network functions on AWS, Azure, GCP, or private cloud; relevant engineering degree preferred.

Benefits

  • Fully remote work environment with a global team.
  • Full-time, permanent employment.
  • Paid on-call standby fees and overtime pay.
  • No on-call duties during the first six months.
  • Guaranteed rest periods and flexible hours after night incidents.
  • Shared weekday and weekend on-call rotations to reduce fatigue.
  • Equal-opportunity workplace with reasonable accommodations available.
  • Opportunities for learning, increased responsibility, and global impact.

Interested in this position?

Apply directly on the company website

Apply Now

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