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DevSecOps / Infrastructure Engineer – Kubernetes, Linux, ISO 27001
Location
Spain
Posted
3 days ago
Salary
0
Seniority
Senior
Job Description
DevSecOps / Infrastructure Engineer – Kubernetes, Linux, ISO 27001
apeirum
• Administer and harden self-hosted Linux servers • Design, set up and operate self-managed, multi-node Kubernetes clusters (lifecycle, upgrades, networking, storage, ingress, RBAC, high availability) • Manage the Docker / container lifecycle across environments • Build and maintain Infrastructure-as-Code and configuration management (Helm, Kustomize, Ansible) • Own CI/CD pipelines with integrated security scanning (GitLab CI/CD) • Run the monitoring, logging and observability stack (Elastic) • Design and operate encrypted backups: retention, rollover and restore validation • Deliver controlled, repeatable system updates and upgrades • Automate and script infrastructure (Bash) • Lead incident response and keep operational documentation current • Manage DNS and domains
Job Requirements
- 5+ years of hands-on infrastructure / DevSecOps experience in production, self-hosted environments (not purely managed cloud)
- Deep, operational Kubernetes knowledge — you've run clusters, not just deployed to them
- Strong Linux administration and hardening background
- Solid command of IaC and configuration management (Helm, Kustomize, Ansible) and CI/CD (GitLab)
- Experience with observability (Elastic or comparable) and robust backup/restore practices
- Working knowledge of Microsoft 365 / Entra ID administration and security
- Practical familiarity with ISO 27001 / ISMS — controls, evidence and audits, not just theory
- A security-first mindset, strong documentation habits, and the discipline to keep changes controlled and repeatable
- Fluent English; German is a plus
- Based in Spain or Portugal, able to work CET hours
Benefits
- Remote-first across Spain and Portugal, on CET — real collaboration, not async lag
- Senior-only culture — work alongside experienced engineers, no juniors to manage
- AI-leveraged engineering — modern AI tooling so one senior does the work of several
- Flexible engagement — permanent employment (Spain) or freelance/contract (Spain or Portugal), your call
- End-to-end ownership of the stack, with the autonomy that comes with it
- Variety across infrastructure, cloud security and compliance work for interesting European clients
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