Core Network Lead, Run Team

Role overview Lead a seven-person team responsible for operating and evolving a mobile core network across its full lifecycle. The role combines hands-on technical ownership with people leadership, covering service performance, incident response, upgrades, and coordination with network and infrastructure partners. The position is remote and full-time, with supported locations across Europe.

Responsibilities - Lead and develop engineers, QA specialists, and reliability staff; manage capacity, priorities, performance reviews, and career growth. - Oversee the network lifecycle from design and deployment through operations, change management, incidents, and upgrades. - Manage core network components supporting subscriber data, packet services, signalling, voice, and messaging across virtualized and cloud-native functions. - Coordinate integrations and service readiness with network equipment, roaming, infrastructure, and managed-service partners. - Set engineering, automated testing, and handover practices, and maintain documentation for operational teams. - Track service health against a 99.98% annual uptime target using availability, session and call success, latency, packet loss, and capacity measures.

Requirements - At least five years of hands-on mobile core network experience. - At least two years leading engineering or QA teams in an agile or delivery-focused setting. - Strong knowledge of packet and voice core, including subscriber databases, policy and charging, VoLTE, and legacy circuit-switched voice. - Expertise in signalling protocols such as Diameter, SS7, and SIP, plus messaging architecture and SMS routing between operators. - Ability to lead concurrent rollout work, communicate clearly, and produce documentation suitable for operational handover. - Comfortable communicating in English in meetings and asynchronously.

Nice to have Experience with automation, CI/CD, infrastructure as code, containers, or automated signalling tests; mobile core vendor platforms; cloud or virtualized network functions; or a relevant engineering degree.

Benefits and work setup Full-time, permanent, and remote within supported European locations. Compensation is localized by country; the source lists ranges including £89,600–£134,400 in the UK and €76,800–€115,200 in Ireland.