Ip Network Engineer

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 400 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.
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 network documentation, while delivering clear reports on network performance, scalability, and security to stakeholders.Qualifications Experience: 10+ years as an IP / Networking Engineer, with expertise in designing, deploying, and managing high-availability, scalable intercontinental networks.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, 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.Benefits Why 1GLOBAL? Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 40% 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.

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