Mobile Networks Observabilty Engineer at 1GLOBAL · Lisbon

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 Team

Join a highly specialized engineering team responsible for building and operating large-scale network observability platforms for Telecom, on-premises and private/public cloud infrastructure environments.

Our mission is to provide deep visibility into network performance, service quality, and operational health across distributed systems. We ingest and analyze massive telemetry streams, network traffic metadata, and service events to power real-time analytics, automated alerting, and operational dashboards used by engineering and operations teams worldwide.

You will work at the intersection of mobile network engineering, data engineering, and platform observability, designing scalable telemetry pipelines and analytics platforms that transform raw network data into actionable insights. About the Role

As a Mobile Networks Observability Engineer, you will design, build, and operate the systems that collect, process, and analyze both network flow and telemetry data from Telecom networks running on on-premises, public and private cloud infrastructure.

You will work with modern observability platforms, telemetry pipelines, and high-performance analytics databases to provide deep visibility into network behavior and service quality.

Key Responsibilities

• Telemetry Platform Engineering: Design and maintain large-scale telemetry pipelines capable of ingesting metrics, logs, traces, and network flow data from distributed systems and telecom infrastructure.
• Data Processing & Transformation: Develop data transformation pipelines using ETL frameworks to normalize, enrich, and model telemetry data for real-time and historical analytics.
• Network Observability Analytics: Build advanced analytics datasets and dashboards that provide insights into network performance, failures, traffic patterns, and service health.
• Monitoring & Alerting Systems: Implement monitoring systems and automated alerting mechanisms (use of AI/ML and prediction algorithms) to detect service degradations, network anomalies, and infrastructure failures.
• Traffic Visibility Architecture: Design and support network traffic acquisition models using technologies such as packet brokers, TAPs, traffic mirroring, and virtual taps.
• Observability Platform Operations: Operate and scale modern observability stacks including telemetry collectors, analytics databases, and visualization platforms.
• Automation & Infrastructure Engineering: Automate observability infrastructure deployment and operations using Infrastructure-as-Code and container orchestration platforms.
• Cross-Team Collaboration: Collaborate with network engineering, platform engineering, and operations teams to ensure observability solutions meet operational and analytical needs

About You

Must Have

• Systems & Platform Engineering: Strong experience with Linux systems administration and production platform operations is required, along with familiarity with Operations Support Systems (OSS) environments and experience operating distributed production systems.
• Telecom Service Assurance Platforms/ Network Traffic Analytics: Experience working with telecom service assurance and analytics platforms such as NumoData (formerly EXFO Nova), Radcom, or other telecom monitoring platforms. Knowledge of traffic analytics platforms, packet capture tools, and network traffic analysis techniques.
• Observability & Telemetry: Hands-on experience with modern observability platforms and telemetry stacks, including Prometheus, Thanos, Loki, Tempo, and Grafana. Experience designing and operating telemetry collection and monitoring systems for infrastructure and network environments.
• Telemetry Pipelines: Experience with telemetry collection and streaming platforms such as Vector, Telegraf, Fluentd, Kafka as well as general telemetry protocols including legacy SNMP, Syslog, NetFlow, and IPFIX.
• Data Engineering & ETL: Experience designing data models for observability and analytics platforms and building data transformation pipelines. Hands-on experience with ETL platforms such as Apache NiFi or equivalent technologies for data ingestion, enrichment, and transformation.
• Monitoring & Fault Management: Experience implementing monitoring and fault management systems including SNMP trap processing, Alertmanager, and network monitoring platforms such as OpenNMS or equivalent solutions.
• Databases: Experience working with analytics and operational databases, including OLAP databases such as ClickHouse or Vertica, OLTP databases such as PostgreSQL or MySQL, and in-memory databases such as Redis.
• Networking & Telecom Knowledge: Understanding of telecom network architectures and network telemetry analysis. Familiarity with network traffic acquisition and aggregation models, including traffic mirroring, TAPs, virtual TAPs, and packet brokers.
• Programming & Automation: Strong scripting and development capabilities using Python and Golang, with the ability to build automation tools and data processing components. Experience with Ansible for orchestration, configuration management and application deployment under PNF and VNF environments and Helm for CNF environments.

Nice to Have

• Modern Telemetry Protocols: Familiarity with modern telemetry protocols such as OpenTelemetry, gNMI, gRPC streaming, OpenConfig, eBPF or custom instrumentation
• Advanced Data Engineering: Experience building high-volume telemetry ingestion architectures, real-time analytics pipelines, and large-scale event processing platforms.
• Observability AI/ML: Experience with AI/ML, predictive and trend-analysis alghortims applied to fault and performance monitoring.
• Cloud & Platform Automation: Experience operating containerized platforms and orchestration environments such as Kubernetes (AWS EKS, Openstack Magnum + Heat). Experience with infrastructure automation and Infrastructure-as-Code tools including Terraform, AWS CloudFormation, or Kubernetes Operators, as well as experience implementing CI/CD pipelines.
• Cloud & Distributed Observability Platforms: Experience designing and operating large-scale observability platforms in private/public cloud environments, including high-availability telemetry storage systems and performance tuning of analytics databases.

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.