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About Us 1GLOBAL  is a technology-driven global mobile communications provider, delivering global connectivity solutions to enterprises and consumers. Powered by a best-in-class telecom platform – including its own owned and operated global mobile core network, fully fledged in-house developed eSIM technology, and an extensive portfolio of telecom licenses – 1GLOBAL operates as a fully regulated telecommunications provider across 40 countries worldwide. We serve many of the world’s leading banks, enterprises, and digital-first businesses, including neo-banks, global fast moving consumer goods companies, travel leaders, and payment service providers. Today, 1GLOBAL connects more than  70 million people and devices globally , enabling our customers to launch, scale, and innovate with confidence in the mobile ecosystem. 1GLOBAL is a profitable, fast-growing business. With full-year revenues in 2025 exceeding  US$200 million  and profits of over  US$25 million , we generate strong cash flows to fund our growth allowing us to continuously invest in infrastructure, platform innovation, and global expansion. Recent years have marked a defining phase in our journey, with major enterprise and mass-consumer client wins accelerating our evolution into a global mobile connectivity powerhouse, purpose-built to enable consumer brands to enter and succeed with their own  aspirations to offer telecommunications services to their clients. Founded in 2022 by experienced technology entrepreneurs, Hakan Koç and Pyrros Koussios, 1GLOBAL has rapidly emerged as a European technology leader shaping the future of global telecommunications . We operate as a fully regulated Mobile Virtual Network Operator (MVNO) in 12 countries and as a regulated telecom operator in an additional 28 markets. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, our team of more than  500 experts across 16 countries  is united by a single ambition: to redefine global mobile connectivity through technology, scale, and execution excellence. About the Ideal Candidate As 1GLOBAL continues to expand its global customer base and service portfolio, ensuring the performance, reliability, and scalability of our mobile network becomes increasingly critical. The Head of Network Optimization will establish and lead a new function within the Network organization, reporting directly to the CTO Networks, with responsibility for driving operational excellence, service assurance, and continuous improvement across our network and services. A primary focus of this role is the proactive detection, investigation, and resolution of network and service issues before they impact customers. The Head of Network Optimization will define and implement the monitoring strategy, performance frameworks, and operational processes required to identify service degradation, performance bottlenecks, and emerging risks at the earliest possible stage. By leveraging network data, KPIs, and operational insights, the team will drive rapid incident response, effective root cause analysis, and long-term corrective actions to continuously improve service reliability and customer experience. The role will establish and lead a dedicated Network Optimization team responsible for overseeing network changes, defining service and network KPIs, developing recovery and resilience mechanisms, and ensuring operational readiness across all network domains. Beyond issue resolution, the function will use operational learnings to identify structural improvements in network architecture, platform design, and service flows, reducing operational risk and strengthening network performance at scale. Working closely with Network Engineering, Operations, Product, Software Engineering, Legal & Regulatory, and commercial teams, the Head of Network Optimization will serve as the focal point for service perform