Senior IP Network Engineer - Telecommunications

1GLOBAL is a technology-driven global mobile communications provider dedicated to empowering enterprises worldwide to unlock the full growth potential of mobile connectivity. With a best-in-class telecom technology platform, a comprehensive suite of globally viable regulatory licenses, and privileged access to the telecom wholesale market, 1GLOBAL is uniquely positioned to deliver seamless compliance and connectivity solutions. Serving the world’s leading banks, corporations, and digital-first businesses—including neo-banks, travel companies, and payment service providers—1GLOBAL connects over 43 million devices globally.

With 2024 full-year revenue exceeding US$100 million, 1GLOBAL is a profitable business generating significant cash flows to fund its ongoing investments in infrastructure, transformation, and growth. 2024 saw major client wins and marked 1GLOBAL’s evolution from a multi-market telecommunication provider to a global technology-driven mobile connectivity powerhouse.

Established in 2022 by experienced tech founders and entrepreneurs Hakan Koç and Pyrros Koussios, 1GLOBAL is a European technology leader driving digital transformation in the global telecommunications market. It operates as a fully regulated Mobile Virtual Network Operator (“MVNO”) in nine countries and as a regulated telecommunications operator in an additional 31 countries. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL employs over 450 experts across 13 countries.

Position Overview

We are looking for a talented and driven Senior IP Engineer / Architect to join our IP Networks Team and help us design, build, and manage the future of our global IP infrastructure. This is an exciting opportunity for someone passionate about working with cutting-edge networking technologies, including SDN, and creating scalable, secure, and high-performance network solutions.

As a Senior IP Engineer / Architect, you will be at the forefront of shaping and evolving our global IP backbone, ensuring it supports interconnections with Mobile Network Operators (MNOs) and spans cross-continental data centers. You’ll leverage SDN technologies to design and optimise network architectures that ensure seamless scalability, security, and performance. Your expertise will be crucial in building a future-proof network infrastructure that meets the growing demands of global connectivity and provides world-class solutions across multiple regions.

Fluency in English is essential for this role. Please ensure your CV is submitted in English as part of your application.

Key Responsibilities

• SD-WAN Implementation & Optimisation: Lead the deployment and optimisation of SD-WAN solutions to enhance wide area network performance, simplify network management, and reduce costs across our global infrastructure.
• SDN Architecture & Integration: Architect and implement SDN solutions to drive network automation, flexibility, and scalability, enabling centralised control and streamlined management of network resources.
• Global Network Design: Design, deploy, and manage a high-performance, global IP backbone, ensuring reliable interconnections with Mobile Network Operators (MNOs) and seamless cross-continental data center connectivity.
• Traffic Optimisation: Use SD-WAN to optimise network traffic, ensuring intelligent routing and minimising latency, while leveraging SDN to improve overall network efficiency and performance across regions.
• Cloud Integration: Seamlessly integrate modern solutions with cloud environments to ensure high availability, low-latency, and scalable connectivity across multiple cloud platforms (e.g., AWS, OCI).
• Network Security & Compliance: Implement robust security policies for SD-WAN, Zero Trust models, VPNs, and firewalls, ensuring compliance with industry standards and securing cross-border data flows.
• Collaboration & Cross-Functional Engagement: Work closely with business units and cross-functional teams to deliver network solutions that meet evolving needs and ensure seamless service delivery.
• Automation & Orchestration: Leverage automation tools like Terraform, Ansible, and SD-WAN controllers to streamline deployment and optimize network configurations for operational efficiency.
• Performance Monitoring & Optimisation: Continuously monitor, analyze, and improve network performance using SD-WAN analytics and SDN monitoring tools, ensuring reliability and operational excellence.

• Documentation & Reporting: Ensure thorough and up-to-date netw