Senior DevOps Engineer
Work Model : Remote with visits to Warsaw office once per month Salary: 160-190 pln/h on B2B Join our expanding engineering team supporting a strategic initiative in the financial domain. As a global tech partner with over 30 years of experience, we help leading organizations modernize their systems and deliver top-tier digital solutions. We are looking for a Senior DevOps Engineer to help build and evolve a modern platform based on GitOps , AWS , and Kubernetes (EKS) . This role offers high ownership, real architectural impact, and close collaboration with engineering and platform teams. Responsibilities Design and maintain GitOps-based environments using ArgoCD Build, extend, and maintain CI/CD pipelines in Jenkins (Pipeline-as-Code) Automate deployments across multiple environments Operate and scale AWS + EKS production infrastructure Implement DevSecOps , monitoring, and reliability best practices Troubleshoot incidents and perform root cause analysis (RCA) Technical Requirements GitOps & ArgoCD Strong understanding of GitOps principles and repo-driven environment management Hands-on experience with ArgoCD Knowledge of sync policies, automated vs. manual sync, rollback strategies, and health checks Experience with multi-environment setups, promotion flows, and drift detection CI/CD & Automation Jenkins (Shared Pipeline Libraries, Job DSL) Ability to write, debug, and maintain scripted and declarative pipelines (Groovy) Experience with Pipeline-as-Code aligned with GitOps standards Integration of Jenkins pipelines with ArgoCD-driven deployments Cloud & Containers AWS : EKS, EC2, IAM, VPC, CloudWatch, S3 etc Kubernetes (EKS) : deployments, networking, autoscaling, cluster upgrades Docker : multi-stage builds and security best practices Helm & Infrastructure as Code Strong experience with Helm (chart development, templating, versioning) Helmfile for multi-chart, multi-environment deployments Terraform : reusable modules, state management, remote backends, workspaces Monitoring, Security & Reliability Monitoring and observability using CloudWatch, Prometheus, Grafana, ELK (or similar) Experience implementing DevSecOps practices Secrets management using External Secrets Operator (ESO) with AWS Secrets Manager / SSM Scripting Proficiency in Bash or Python (including Lambda automation use cases) Additional Skills Ability to document processes Strong ownership mindset and effective problem-solving skills Experience working with highly available systems #LI-BP1