DevOps Engineer - Cloud & On-Prem Infrastructure

Descrição do trabalho

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 450 experts across 13 countries.

Position Overview

We are looking for a talented DevOps Engineer with a focus on Cloud and On-prem infrastructure to join our Technology Department.

As a DevOps Engineer, you will design, deploy, and manage our runtime infrastructure, ensuring it is secure, scalable, and cost-efficient. You will plan and implement our container orchestration and service mesh architecture, maintain multi-account AWS Organisation setups, and automate tasks to eliminate human intervention in repetitive processes. Your role includes regular system monitoring, performing maintenance, managing software patches and upgrades, and ensuring optimal observability and performance of systems and applications. You will also investigate and resolve infrastructure issues and create comprehensive documentation for peers and users.

Fluency in English is essential for this role. Please ensure your CV is submitted in English as part of your application.

• Key Responsibilities
• Design, deploy, and operate our runtime infrastructure
• Plan and create the vision for our container orchestration and service mesh architecture
• Design, deploy and maintain multi-account AWS Organisation architecture
• Think about scale, reliability, and cost efficiency for our infrastructure
• Maintain optimal observability on system and application availability and performance (logs, metrics, alerts).
• Attain optimal levels of security and scalability
• Automate all routine work (toil), eliminating human intervention from repetitive mechanical activity
• Perform regular maintenance and house-keeping, verifying the integrity and availability of all hardware resources, systems, and processes, as well as the successful completion of any automated jobs (e.g., config backups, disaster recovery)
• Perform regular system monitoring, verifying the integrity and availability of all runtime infrastructure
• Rollout software patches and upgrades, ensuring the infrastructure is kept secure and compliant with best practices
• Investigate issues to their root cause and resolution
• Create and maintain the relevant documentation for peers and users (e.g. handbooks, tutorials)
• A minimum of 3 years as a DevOps Engineer or in a similar role
• Expertise in AWS (EC2, S3, RDS, Lambda, VPC, etc.) and managing AWS Organisation and accounts
• Experience with on-premises infrastructure and its integration with cloud services
• Proficiency in containerization and orchestration technologies (Docker, Kubernetes, EKS)
• Experience with Helm for managing Kubernetes applications and service mesh technologies, specifically Istio
• GitOps experience including knowledge of tools like Argo CD, Crossplane, GitLab, etc
• Experience with infrastructure as code tools such as Terraform and Terragrunt
• Experience with configuration management tools like Ansible, Packer
• Experience with virtualised environments based on VMware ESXi is a plus
• Experience with monitoring and observability tools like Prometheus, Alertmanager, Thanos, Loki, and Grafana
• Strong experience with programming/scripting languages (Go, Python, Bash)
• Excellent problem-solving skills and the ability to troubleshoot complex systems
• Knowledge of security best practices and compliance standards

• Wh