Sobre

• 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 and in line to exceed US$200 million in FY25, 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 ten 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 15 countries.
• Position Overview
• We are looking for a talented and driven IP Networks Team Lead to join our Technology Department.
• We are open to hiring this role in São Paulo, Brazil.
• As the IP Networks Team Lead, you will be responsible for designing, operating, and evolving our global IP backbone and data center networks, ensuring they are scalable, secure, and highly available. This role blends technical leadership and hands-on engineering, guiding the team in building and maintaining next-generation network infrastructure across our on-prem and cloud environments.
• You will act as both a technical authority and people leader, responsible for defining network architecture standards, enforcing best practices, and managing priorities across multiple initiatives.
• Your mission is to deliver a world-class network foundation supporting global mobile, cloud, and connectivity services.
• Fluency in English is essential for this role.
• Please ensure your CV is submitted in English as part of your application.
• Key Responsibilities
• Lead, mentor, and develop a team of network engineers, managing performance, priorities, and technical direction.
• Design, implement, and maintain LAN, WAN, data center, and backbone network infrastructure.
• Architect and operate high-availability global IP networks interconnecting data centers and cloud regions.
• Ensure network redundancy and resilience testing across service, infrastructure, and transport layers.
• Plan and oversee SDN and SD-WAN to enable automation and dynamic traffic engineering.
• Deploy and manage routers, switches, and firewalls.
• Implement and maintain IPv6, QoS, and traffic-engineering policies to guarantee consistent network performance.
• Monitor network health, performance, and capacity, ensuring high availability, low latency, and reliability.
• Investigate complex network incidents, lead root-cause analysis, and ensure follow-up actions are implemented.
• Ensure network security and compliance with internal policies and industry standards (ISO 27001, PCI-DSS, CIS).
• Automate network provisioning, configuration, and monitoring using Terraform, Ansible, or similar tools.
• Continuously improve observability and visibility using tools such as Prometheus, Grafana, and SNMP-based systems.
• Support migrations, upgrades, and expansions while minimizing downtime and risk.
• Maintain accurate documentation of configurations, topology diagrams, and operational procedures.
• Generate regular network performance and incident reports with actionable recommendations.
• Experience: 10+ years as an IP/Networking Engineer, with expertise in designing, deploying, and managing high-availability, scalable intercontinental networks (including at least 2+ years in a leadership role).
• Mobile IP Networks & Backhaul: Extensive experience designing and managing IP-based mobile backhaul networks for 4G/5G, ensuring seamless delivery of traffic, data, and voice services.
• SD-WAN & SDN: Proven expertise with SD-WAN and SDN technologies like Cisco ACI or NDFC, enabling network automation and optimization of global IP backbones.
• IPv6 & QoS: Strong experience with IPv6 deployment and QoS configuration to optimize bandwidth and ensure high-performance, reliable connectivity.
• Data Center & Backbone Design: Skilled in designing and managing global IP backbones and interconnected data centers for high-performance, low-latency connections.
• Advanced Network Protocols: Expert-level knowledge in TCP/IP stack, including TCP, UDP, ICMP, SMTP, SNMP, LDAP, DNS, NTP, and other essential protocols. Proficient in dynamic routing protocols like BGP, OSPF, and MPLS.
• Network Security & Compliance: Expertise in IPSec VPNs, security hardening, and compliance frameworks (PCI-DSS, ISO27001, CIS).
• Layer 2 & Layer 3 Management: Hands-on experience managing Layer 2 (STP, MSTP) and Layer 3 multiservice networks with MPLS and traffic engineering.
• Network Automation & IaC: Proficient in Terraform, Ansible, and other tools to automate network provisioning and streamline deployments.
• Network Monitoring & Observability: Expertise in tools like Prometheus, Grafana, SNMP, and Wireshark for network monitoring and performance optimization.
• High-Performance Networking: Proven ability to design and optimize solutions for WAN optimization, traffic engineering, and latency reduction.
• Leadership & Collaboration: Strong leadership skills in mentoring engineers, driving network strategy, and collaborating with cross-functional teams.
• Nice to Have
• Knowledge of Python for network automation, data collection, or tooling development.
• Hands-on experience with redundancy validation, chaos testing, or network failover simulation.
• Familiarity with multi-cloud networking and hybrid-connectivity architectures.
• Experience integrating network telemetry into performance and reliability dashboards.
• Experience collaborating with global carriers, IXPs, and data center providers.
• What we offer?
• CLT contract — enjoy job stability and reliable benefits that value your work
• Quarterly performance bonuses to reward your hard work and achievements
• Meal allowance paid into Caju card — R$100 per working day
• Extended parental leave - 180 days of maternity leave and 20 days of paternity leave.
• Health insurance with SulAmérica — 50% covered by the company
• Daycare allowance provided to mothers with children under 3 years old — R$500 per month per child
• Kickstart your journey with an exciting welcome onboarding trip to one of our European offices (Lisbon or Berlin)!
• Why 1GLOBAL?
• Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 100% year-on-year under the leadership of successful tech entrepreneurs.
• Major Transaction Exposure: Be in the driver’s seat for transactions that will have an impact on the future telco industry.
• Work with a Talented Team: From the Board and the Founders to the Senior Management Team, you will collaborate daily with the most capable and renowned external advisors, and constantly being exposed to talented and driven individuals.
• Dynamic Work Environment: Thrive in a collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts.
• Professional Development: Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field.
• International Experience: Gain opportunities to work in different 1GLOBAL offices around the world as you grow within the company.
• Open Communication Culture: Join a team where your ideas are heard, and open dialogue is encouraged, fostering a supportive and transparent work environment.
• Get Things Done Attitude: Be part of a results-driven team that values efficiency, creativity, and the drive to make a tangible impact in the industry.

• 1GLOBAL is an equal opportunity employer, we value your character as much as your talent. Diversity drives our innovation, and we offer a collaborative, dynamic, and international work environment. We are excited for you to join our mission to revolutionise connectivity globally.