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Senior DevOps Engineer

Spyrosoft Ltd
Contract type
Freelance
Work mode
Remote · EU
Experience
Senior · Not stated

Level inferred from job title

Job description

Senior DevOps Engineer to build and operate a modern cloud-native platform on T-Cloud, supporting enterprise and AI-powered applications. The role covers infrastructure automation, GitOps delivery, security hardening, and production operations.

At a glance

Employment
Full-time · Independent contractor
Work mode
Remote · EU
Languages
English – fluent, German

What you'll do

  • Design, build, and operate highly available cloud-native infrastructure on T-Cloud, including CCE Turbo clusters distributed across three availability zones
  • Develop and maintain reusable OpenTofu modules for compute, networking, storage, and DNS
  • Provide self-service tenant networking capabilities, including subnets, EIPs, SNAT, and namespaces, using Crossplane compositions
  • Deliver applications through GitOps using Argo CD ApplicationSets and Helm charts that you author and maintain
  • Design and maintain GitLab CI/CD pipelines and runners, integrating JFrog Xray image scanning into every release
  • Operate the production application layer, including n8n Enterprise in queue mode with OIDC
  • Operate PostgreSQL on Kubernetes with CloudNativePG
  • Secure traffic end to end using Traefik, TLS 1.3, automated certificates via cert-manager, workload security groups, VPC network ACLs, and controlled egress
  • Harden containerized workloads using non-root execution, read-only filesystems, and Pod Security Admission in restricted mode
  • Own backup and disaster recovery processes, including pgBackRest backups, WAL archiving, point-in-time recovery, EVS snapshots, DR runbooks, and regular recovery drills
  • Monitor and troubleshoot complex infrastructure and production issues and drive them through to resolution
  • Continuously improve automation, documentation, security, platform reliability, and operational readiness
  • Collaborate with software engineers, architects, and security teams to improve the overall platform
  • Take end-to-end ownership of infrastructure solutions and actively contribute to the evolution of the platform

What we're looking for

  • Commercial, hands-on experience with T-Cloud, particularly with CCE / CCE Turbo, ECS, VPC, EIP, DNS, EVS, ELB, and NAT
  • Practical experience with CCE workload security groups and VPC network ACLs
  • Senior-level experience operating Kubernetes in production in a DevOps, Platform Engineering, Cloud Engineering, or SRE role
  • Strong Infrastructure as Code experience using OpenTofu or Terraform
  • Hands-on experience implementing GitOps delivery with Argo CD and Helm
  • Strong knowledge of GitLab CI/CD, including pipeline design, stages, automation, and runner configuration
  • Good understanding of container security and hardening, including non-root workloads, read-only filesystems, and Kubernetes Pod Security Admission
  • Solid Linux administration skills, including systemd, SSH, and firewalls
  • Production experience with backup, restore, and disaster recovery processes
  • Strong problem-solving and troubleshooting skills
  • Ability to work independently and take ownership of technical solutions
  • A proactive approach to automation, documentation, and continuous improvement
  • Ability to collaborate effectively with development, architecture, and security teams in an international environment
  • Fluent English

Nice to have

  • Knowledge of Crossplane, including compositions for infrastructure and networking provisioning
  • Experience running n8n Enterprise or other workflow-automation platforms in production
  • Experience operating PostgreSQL on Kubernetes, ideally using CloudNativePG and pgBackRest
  • Knowledge of JFrog Xray / Artifactory, particularly container image scanning in CI/CD processes
  • Experience with Traefik and cert-manager
  • Knowledge of OIDC-based authentication
  • Experience with AI-powered or cloud-native enterprise platforms
  • Experienced in using AI tools in day-to-day workflow, for example to support automation, troubleshooting, documentation, or engineering productivity
  • German language skills

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