SL
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
