DevSecOps / Infrastructure Engineer – Kubernetes, Linux, ISO 27001

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apeirum

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2024

☁️ SaaS

🔌 API

🏢 Enterprise

SaaS • API • Enterprise

Apeirum is a Swiss company that specializes in software development and IT consultancy, focusing on nearshoring staffing and managed services. They provide tailored IT solutions aimed at maximizing business growth and efficiency, helping clients manage their technology needs through strategic staff augmentation and product development. With a commitment to quality, Apeirum ensures their teams meet high professional standards while offering ongoing support to enhance productivity and achieve long-term success.

📋 Description

• 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

🎯 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