DevOps/Cloud Platform Engineer - (Lisbon Based)

About this role

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 close to 500 experts across 15 countries is united by a single ambition: to redefine global mobile connectivity through technology, scale, and execution excellence. About the Team We are looking for a talented DevOps Engineer with a focus on Cloud/Platform engineering to join our Technology Department in Lisbon. As a DevOps/Cloud Platform Engineer , you'll build and evolve the infrastructure platform that powers our engineering teams across multiple cloud providers. You'll own the automation, networking, Kubernetes platforms, and shared services that enable secure, scalable, and reliable application delivery. Fluency in English is essential for this role. Please ensure your CV is submitted in English as part of your application. What you'll do Build Multi-Cloud Platforms: Design, provision, and operate infrastructure across AWS , Oracle Cloud Infrastructure (OCI) , StackIT , and OpenStack using Infrastructure as Code. Manage Kubernetes Platforms: Operate and evolve managed Kubernetes environments, including Amazon EKS and Oracle OKE , ensuring scalability, security, and operational excellence. Platform Automation: Develop reusable infrastructure abstractions using Terraform , Terragrunt , Terramate , and Crossplane (XRDs/Compositions) to enable self-service infrastructure for engineering teams. Operate Cloud Services: Deploy and maintain managed cloud services such as Amazon RDS , object storage, networking services, and cloud-native integrations. Own Platform Services: Build and operate shared platform components including Kafka , HashiCorp Vault , Kubernetes Operators , ingress controllers, and other foundational services. Cloud Networking: Design and maintain secure cloud networking across multiple environments, including VPCs/VNets , routing, peering, load balancers, firewalls, and Layer 4/Layer 7 traffic management. Service Mesh & Connectivity: Design and operate service mesh technologies (e.g., Istio ) to provide secure service-to-service communication, observability, and traffic management. Identity & Access Management: Implement and maintain identity and access solutions using Keycloak , cloud IAM services, and API gateways to provide secure authentication and authorization. Platform Security: Embed security into the platform through policy enforcement, least-privilege access, secrets management, and policy-as-code. Requirements About You DevOps/Cloud Platform Engineering: 5+ years building and operating cloud infrastructure with strong experience in AWS and exposure to OCI or other cloud providers. Infrastructure as Code: Extensive experience with Terraform , including large-scale modular architectures. Experience with Terragrunt and/or Terramate is highly desirable. Experience with Pulumi or AWS CDK is a plus. Kubernetes Expertise: Strong operational knowledge of Kubernetes, including managed services such as Amazon EKS and Oracle OKE . Kubernetes Internals: Solid understanding of Kubernetes architecture, including Operators , CSI , CNI , scheduling, networking, storage, and lifecycle management. Crossplane: Experience building infrastructure abstractions with Crossplane , including Composite Resources (XRDs), Compositions, and provider integrations. Cloud Networking: Deep understanding of cloud networking concepts including VPCs , routing, security groups, firewalls, load balancers, service meshes, and hybrid connectivity. Service Mesh: Experience deploying and operating Istio or similar service mesh technologies for traffic management, security, and observability. Platform Services: Experience operating shared infrastructure services such as Kafka , Vault , ingress controllers, API gateways, and Kubernetes Operators. Identity & Security: Good understanding of IAM concepts, authentication and authorization, identity providers such as Keycloak , secrets management, and least-privilege design. Automation & Scripting: Strong proficiency in Bash and Python for automation, tooling, and platform operations. Policy as Code: Experience implementing governance using technologies such as OPA/Gatekeeper , Kyverno , or cloud-nati