Welcome to 1GLOBAL, a dynamic and innovative force in the intersection of telecommunications and technology. Founded by two visionary technology entrepreneurs, Hakan Koç and Pyrros Koussios, 1GLOBAL is a privately owned company with a clear mission to connect the world, seamlessly. With over 100 million dollars in revenue and being both profitable and cash generative, 1GLOBAL has the ability to fund its massive growth without relying on external funding.
As a global specialty telecommunications provider, 1GLOBAL serves financial institutions, enterprises, mobile network operators, and consumers across 42 countries, offering fully regulated voice, data, and SMS services. As pioneers in the eSIM revolution, we've built a complete ecosystem that drives our growth with partners such as Apple, Palo Alto Networks and Google, while attracting customers like Goldman Sachs, JP Morgan, Revolut, Netflix and Tesla.
Join us at 1GLOBAL and be part of that journey of massive growth, while forming the future of the global communication industry!
Position Overview We are looking for a talented Senior DevOps Engineer with a focus on Cloud, networking and PKI infrastructure to join our Technology Department.
We are open to hiring this role in Lisbon, Portugal, or Berlin, Germany.
As a DevOps Engineer, you will design, deploy, and manage our IP network infrastructure, including VPN solutions and PKI. You will plan and create the vision for our infrastructure architecture, focusing on scale, reliability, and cost efficiency. Responsibilities include maintaining optimal observability on systems and applications, ensuring high levels of security and scalability, and automating routine tasks. You will perform regular maintenance and system monitoring, roll out software patches and upgrades, and investigate issues to their root cause. High standards for documentation of designs and systems are expected.
Key responsibilities: Design, deploy, and manage our IP network infrastructure, including VPN solutions and PKI Plan and create the vision for our infrastructure architecture, focusing on scale, reliability, and cost efficiency. Maintain optimal observability on the systems and applications' availability and performance (logs, metrics, alerts). Attain optimal levels of security and scalability for our infrastructure. 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 network resources, systems, and processes. Perform regular system monitoring, verifying the integrity and availability of all IP network 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. Set high standards for documentation of designs and systems. Qualifications A minimum of 5 years as a DevOps Engineer or in a similar role. Proficiency with core AWS services such as EC2, S3, RDS, VPC, IAM, Lambda, and others. Strong knowledge of networking concepts, including TCP/IP, DNS, DHCP, subnetting, load balancing, proxy servers, and network routing. Experience with configuring and managing VPN solutions (IPsec, SSL VPNs) for secure connectivity. Familiarity with firewall configuration, IP network security, and intrusion detection/prevention systems. Experience with setting up and managing PKI, including knowledge of encryption standards and protocols (TLS/SSL, RSA, ECC) and how they are applied within PKI. Deep knowledge of security best practices and methodologies. Proficiency in managing Linux servers, including configuration, monitoring, and troubleshooting. Proficiency in containerization and orchestration technologies (Docker, Kubernetes, EKS). Experience with infrastructure as code tools such as Terraform and Terragrunt. Experience with configuration management tools like Ansible, Packer Why 1GLOBAL? Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 40% 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.