DevOps/Cloud Platform Engineer - (Lisbon Based)

About Us

1GLOBAL is a technology-driven global mobile communications provider helping enterprises and consumer brands deliver seamless connectivity worldwide. Powered by a best-in-class telecom platform, proprietary eSIM technology, and its own mobile core network across 15 countries, 1GLOBAL operates as a fully regulated telecommunications provider in 43 countries.

Founded in 2022, 1GLOBAL has rapidly become one of Europe's fastest-growing telecom technology companies, connecting more than 80 million people and devices globally. Our customers include leading banks, multinational enterprises, global retailers, travel companies, payment service providers, and digital-first businesses.

Headquartered in the Netherlands, with R&D hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL employs over 550 professionals across 16 countries. With annual revenues exceeding US$200 million and a strong track record of profitability, we continue to invest in innovation, infrastructure, and international expansion as we redefine the future of global mobile connectivity.

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 …