Senior DevOps Engineer (Platform Engineer)

Wymagania: - Experience with running and operating software in production at scale - You know how to build CI/CD pipelines allowing everyday releases - You know Git - Cloud based software architecture and solutions, Cloud-native approach, Cloud and network security - Ability to design scalable and highly-available architecture in the the cloud - AWS - Hands-on experience with container orchestration Kubernetes - Coding experience in several languages - Java and Kotlin - Experience in setting up monitoring and logging tools (Elk stack, azure insights, Kibana) - Infrastructure as Code and automation (Terraform, Ansible, CloudFormation) - Experience with API Gateways - Design thinking methodologies O firmie: - At Square One Poland we link IT experts with the business. With over 25 years of experience, we specialize in recruitment processes on a global scale. Despite years of experience, we still have a startup DNA and this is our advantage. Our offices are located in London and Warsaw, however, we can reach clients from all over the world, from start-ups to big worldwide corporations. Zakres obowiązków: - Build and maintain core platform components (SSO, Access Management, clusters, networking, CI/CD, observability). - Own Terraform modules, baseline configurations, and guardrails for distributed teams. - Design and evolve platform “golden paths” — secure defaults, templates, and standards.Maintain platform IaC (Terraform, modules, state design, multi-account governance).Integrate with team-owned CDK stacks through stable platform contracts. - Lead evolution of platform abstraction layers and service catalogs. - Design and manage multi-account AWS landing zone (Orgs, SCPs, permissions boundaries). - Own developer onboarding patterns (IAM SSO access, automation, pipelines). - Build safe cross-account deployment workflows (GitHub OIDC, least privilege). - Design and operate ECS and EKS clusters used by hundreds of services. - Establish best practices for container execution, networking, autoscaling. - Manage central networking components (VPC, TGW, Route53). - Ensure secure east–west communication between workloads in different accounts. - Provide self-service tools and templates for teams (pipelines, service definitions, actions).Abstract platform complexity to enable fastand safe deployments for all teams. - Own documentation, workshops, patterns, and architectural guidance.Operate and evolve platform-wide logging, metrics, and tracing systems.Ensure operational standards for platform components.