Role Description - Organize and perform the technical onboarding of TelCo and OSS (Operations support systems) applications onto Kubernetes-based platforms. - Contribute to Automation of operational tasks and creation of enhancements that will improve the performance, scalability, and reliability of the platform and services. - Analyze logs and metrics to identify root causes of issues, resolve bugs, and improve system reliability and maintainability. - Respond to incidents, perform root cause analysis, and implement preventive measures to minimize downtime and service disruption. - Oversee change management processes and system lifecycle activities, ensuring smooth transitions, version control, and minimal disruption during upgrades or deprecations. - Participate in on-call rotation (for stand-by operations). Qualifications - University degree in Computer Science, Telecommunication Engineering, Information Systems, or comparable qualifications. - Fluent in English. - 2+ years of proven experience in cloud technologies. - Experience onboarding complex applications into Kubernetes environments. - Strong Linux system administrator skills and TCP/IP network fundamentals (DNS, IP routing, load balancing). - Strong grasp of Kubernetes and containerization concepts and best practices (deployments, services, ingress, volumes, etc.). - Hands-on experience with GitOps tools and CI/CD workflows. - Proficiency in scripting and automation (Python, Bash, Ansible). - Experience in PostgreSQL, Cassandra, Redis, Kafka, and monitoring tools (Kibana, Grafana, Prometheus). Requirements - Background in TelCo OSS/BSS systems and network orchestration. - Exposure to OpenStack or other private cloud technologies. - Experience with Infrastructure as Code and templating (Terraform, Helm). - Understanding cloud-native security and compliance practices. - Prior experience with onboarding frameworks and E2E system integration. Benefits - Flexible & remote work. - Very competitive annual bonus scheme. - Meal vouchers. - Private insurance. - Cool office spaces in Thessaloniki and Athens. - A new team that will support and challenge you on your path to growth. - Extra days off. - Opportunities to travel and work all around the world. - … and many more.

• Atuar como referência técnica de SRE/Infraestrutura Cloud dentro dos times/clientes internos atendidos • Realizar diagnóstico de ambientes cloud (GCP/AWS) identificando oportunidades de otimização técnica e financeira • Propor e implementar ações de FinOps: rightsizing, otimização de recursos, controle e redução de custos • Manter e evoluir pipelines de CI/CD • Gerenciar infraestrutura como código (Terraform) • Garantir disponibilidade, escalabilidade e performance de ambientes em produção • Apoiar migrações de ambientes cloud (ex: AWS ↔ GCP) • Administrar e otimizar clusters Kubernetes • Implementar monitoramento e observabilidade (Prometheus, Grafana, DataDog, Cloud Logging etc.) • Atuar de forma consultiva, comunicando-se diretamente com stakeholders técnicos e de negócio

• Assist in managing multiregion and multicloud infrastructure, ensuring resiliency, scalability, and performance. • Support infrastructure provisioning and deployments primarily on GCP, while gaining exposure to other cloud providers. • Design, deploy, and maintain agentic AI workflows and automation systems, integrating LLMs, orchestration frameworks, APIs, and observability tooling to improve operational efficiency, incident response, and developer productivity. • Collaborate with development teams to design and maintain CI/CD pipelines in GitLab CI. • Work on Kubernetes cluster management (GKE and potentially other managed K8s offerings). • Contribute to GitOps-based deployments using ArgoCD. • Help automate infrastructure with Terraform and other infrastructure-as-code tools. • Monitor system health and participate in the on-call rotation, contributing to incident response, troubleshooting, and root cause analysis to improve reliability. • Document processes, create runbooks, and help improve operational practices.

• Collaborate with development teams to design and implement scalable Infrastructure. • Collaborate with development teams to design and implement automated deployment and testing pipelines. • Develop and maintain monitoring and alerting systems to proactively identify and address issues. • Troubleshoot and escalate production incidents to minimize downtime and improve system reliability. • Continuously improve our infrastructure and processes to optimize scalability and efficiency. • Participate and take ownership for on-call rotations as needed to ensure 24/7 support for our application. • Perform routine maintenance and upgrades as needed to keep our systems up to date. • Contribute to ongoing efforts to improve our security posture and compliance with industry standards. • Communicate complex technical concepts clearly and concisely to both technical and non-technical stakeholders in order to make the right decision. • Mentor and coach junior engineers, fostering their professional growth and enabling them to deliver high-quality work. • Stay up-to-date with the latest advancements and trends in site reliability engineering and share knowledge and insights with the team. • Identify opportunities for organizational enhancements and propose alternatives to optimize team structures and execution.