Cloud-Native DevOps Engineer (OpenTofu & Crossplane)

Square One ResourcesWarszawanofluffjobspublished 11/02/2026
Must-have:GitAWSKubernetesCloudDevOpsCI/CDSecuritySenior

We are looking for a Senior DevOps Engineer to join a team responsible for developing and maintaining a business-critical cloud-native platform. The project focuses on cloud infrastructure automation, Kubernetes orchestration, CI/CD, GitOps, security, and production environment reliability.

You will work closely with engineering, architecture, and security teams to improve platform scalability, availability, and operational efficiency.

Daily tasks

  • Design and maintain cloud infrastructure using OpenTofu and Crossplane
  • Manage Kubernetes clusters and cloud-native services
  • Implement GitOps deployments using Argo CD, ApplicationSet, and Helm
  • Develop and maintain GitLab CI/CD pipelines
  • Manage cloud networking, ingress, DNS, and security configurations
  • Implement container security and hardening standards
  • Maintain PostgreSQL databases using CloudNativePG
  • Implement backup, recovery, and disaster recovery procedures
  • Monitor production environments and troubleshoot infrastructure issues
  • Improve platform automation, reliability, and availability

Requirements

Requirements

  • Hands-on experience with Kubernetes and cloud-native infrastructure
  • Experience with OpenTofu or Terraform and Infrastructure as Code
  • Knowledge of Crossplane and Argo CD
  • Experience with Helm and GitOps
  • Strong knowledge of GitLab CI/CD.
  • Experience with cloud infrastructure services: CCE, ECS, VPC, EIP, DNS, EVS, ELB, and NAT
  • Good Linux administration skills
  • Experience with PostgreSQL and CloudNativePG
  • Knowledge of pgBackRest, WAL archiving, and Point-in-Time Recovery (PITR)
  • Experience with Traefik, cert-manager, TLS, and cloud networking security
  • Knowledge of Kubernetes and container security best practices
  • Experience with backup strategies and disaster recovery procedures

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Must have: Kubernetes, Terraform, Infrastructure as Code, Argo CD, Helm, GitOps, GitLab CI, Cloud, ECS, AWS ECS, VPC, DNS, ELB, Linux, PostgreSQL, Traefik, TLS, Networking, Security