DevOps/Cloud Platform Engineer - (Lisbon Based)

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 leadershaping 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 aDevOps/CloudPlatform 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 acrossAWS,Oracle Cloud Infrastructure (OCI),StackIT, andOpenStack using Infrastructure as Code.
• Manage Kubernetes Platforms: Operate and evolve managed Kubernetes environments, includingAmazon EKS andOracle OKE, ensuring scalability, security, and operational excellence.
• Platform Automation: Develop reusable infrastructure abstractions usingTerraform,Terragrunt,Terramate, andCrossplane (XRDs/Compositions) to enable self-service infrastructure for engineering teams.
• Operate Cloud Services: Deploy and maintain managed cloud services such asAmazon RDS, object storage, networking services, and cloud-native integrations.
• Own Platform Services: Build and operate shared platform components includingKafka,HashiCorp Vault, KubernetesOperators, ingress controllers, and other foundational services.
• Cloud Networking: Design and maintain secure cloud networking across multiple environments, includingVPCs/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 usingKeycloak, 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.

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 withTerraform, including large-scale modular architectures. Experience withTerragrunt and/orTerramate is highly desirable. Experience withPulumi orAWS CDK is a plus.
• Kubernetes Expertise: Strong operational knowledge of Kubernetes, including managed services such asAmazon EKS andOracle OKE.
• Kubernetes Internals: Solid understanding of Kubernetes architecture, includingOperators,CSI,CNI, scheduling, networking, storage, and lifecycle management.
• Crossplane: Experience building infrastructure abstractions withCrossplane, including Composite Resources (XRDs), Compositions, and provider integrations.
• Cloud Networking: Deep understanding of cloud networking concepts includingVPCs, routing, security groups, firewalls, load balancers, service meshes, and hybrid connectivity.
• Service Mesh: Experience deploying and operatingIstio or similar service mesh technologies for traffic management, security, and observability.
• Platform Services: Experience operating shared infrastructure services such asKafka,Vault, ingress controllers, API gateways, and Kubernetes Operators.
• Identity & Security: Good understanding of IAM concepts, authentication and authorization, identity providers such asKeycloak, secrets management, and least-privilege design.
• Automation & Scripting: Strong proficiency inBash andPython for automation, tooling, and platform operations.
• Policy as Code: Experience implementing governance using technologies such asOPA/Gatekeeper,Kyverno, or cloud-native policy frameworks.
• Cloud Architecture: Strong understanding of distributed systems, cloud-native architectures, high availability, disaster recovery, and infrastructure design patterns.
• Collaboration: Comfortable working closely with software engineers, SREs, and security teams to build scalable platform capabilities

Nice to Have

• Familiarity with GitOps tooling such asArgo CD orFlux.
• Experience with observability platforms such asPrometheus,Grafana,Loki,Tempo, orOpenTelemetry.
• Knowledge ofFinOps and cloud cost optimization.
• Experience designing internal developer platforms (IDPs) andself-serviceinfrastructure.

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.