Core Network Lead

Airalo
United Kingdom, Ireland
Workplace: RemoteFull timeEUR 76,800 - 110,400 annuallyFunction: Administration & Executive AssistanceSkills: ["Leadership","Communication","Documentation"]

Lead the global build and technical integration of Full MVNO capabilities, partnering with host mobile network operators across signalling, packet core, voice, and messaging. Own core architecture and service readiness from subscriber databases through routing and VoLTE, while troubleshooting signalling stacks (Diameter, SS7). Ensure regulatory compliance (including lawful interception and emergency services) and drive integration testing with QA before handing stable systems to the 24/7 Run team.

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Airalo
Airalo
1 day ago

Core Network Lead

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Job Summary

Lead the global build and technical integration of Full MVNO capabilities, partnering with host mobile network operators across signalling, packet core, voice, and messaging. Own core architecture and service readiness from subscriber databases through routing and VoLTE, while troubleshooting signalling stacks (Diameter, SS7). Ensure regulatory compliance (including lawful interception and emergency services) and drive integration testing with QA before handing stable systems to the 24/7 Run team.
Location: United Kingdom, Ireland
Workplace: Remote
Employment Type: Full time · Permanent
Job Function: Administration & Executive Assistance
Seniority: Manager level

Key Responsibilities

  • •Lead, mentor, and manage a team of around five engineers and QA specialists, owning sprint planning, task allocation, and technical reviews across concurrent global rollout streams.
  • •Establish engineering best practices, integration templates, automated testing strategy, and technical handover standards.
  • •Lead technical integrations with host mobile network operators globally across signalling, packet core, voice, and messaging.
  • •Own Full MVNO core component architecture and setup (from subscriber database HSS/HLR through packet core, signalling routing, and messaging platforms) and troubleshoot the signalling stack.
  • •Own end-to-end service readiness across data, voice, and SMS, including session management and VoLTE; design and validate mobile number portability routing; and ensure regulatory compliance (including lawful interception and emergency service routing) through operational readiness and handover to the 24/7 Run team.

Pay and Benefits

Salary: EUR 76,800 - 110,400 annually

Key Requirements

  • •5+ years hands-on in mobile core networks and Full MVNO integrations.
  • •2+ years leading engineers and/or QA specialists in an agile or delivery-focused environment.
  • •Strong knowledge of packet core and voice core (HSS/HLR, policy and charging, VoLTE, legacy circuit-switched voice).
  • •Expertise across the signalling stack (Diameter, SS7, and SIP).
  • •Proven experience delivering mobile number portability and lawful interception solutions.
Experience:TelecommunicationsMobile core networksMVNORoamingRegulatory compliance
Skills:LeadershipCommunicationDocumentation
Languages:English
Tech Stack:MVNOMNOHSS/HLRDiameterSS7SIPVoLTEPacket coreVoice coreCI/CDTerraformAnsibleDockerKubernetesNokiaETSI ES 201 671TS 102 232Lawful interceptionE112911

Company Brief

Airalo
Operates a global eSIM marketplace and mobile connectivity platform that enables travelers and global customers to buy and install eSIMs for data plans across countries without physical SIM cards.
Industry: Telecommunications
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Headquarters: Singapore, Singapore
Founded: 2019
WebsiteLinkedIn