Senior Linux System Administrator – 2nd-Level Support, Hosting

This is a fully remote position, open to applicants in Germany.

📋 Description

• Manage intricate L2 tickets as part of daily operations.

• Conduct comprehensive troubleshooting at the application, system, and platform levels.

• Oversee challenging cases involving virtualization, high availability, storage, firewalls, VPNs, performance, stability, and migration.

• Coordinate and prioritize incidents, transforming service disruptions into tangible improvements.

• Enhance runbooks, escalation criteria, minimum ticket data requirements, and support procedures.

• Mentor L1/L2 teams, assess methodologies, and share insights.

• Assume technical ownership and direct efforts during critical incidents.

⛳️ Requirements

• Extensive knowledge of Linux and service stacks, including system behavior, load and failure patterns, and the implications of changes.

• Proficient with web servers (e.g., NGINX, Apache), PHP runtimes, databases, caching layers, and reverse proxies (e.g., HAProxy, Traefik).

• Familiarity with standard hosting architectures such as application/database separation, replication, and clustering.

• Experience in virtualized environments, high availability concepts, and storage technologies (e.g., Proxmox, KVM, Ceph, or similar).

• Skilled in troubleshooting and resolving complex incidents across application, system, and platform levels.

• Ability to assess dependencies and impacts on other systems.

• Capacity to technically develop colleagues, set standards, and enhance workflows.

• Proficient in German.

• Competent in English for customer interactions, documentation, and vendor communications.

• Preferred: Deep specialization in Proxmox/Ceph.

• Preferred: Experience with Infrastructure as Code (IaC) and Ansible.

• Preferred: Knowledge of firewalls, VPNs, and Web Application Firewalls (WAF) (e.g., WireGuard, OpenVPN, iptables/nftables).

• Preferred: Experience with complex migration projects.

• Preferred: In-depth expertise in monitoring and observability tools (e.g., Checkmk, Prometheus).

🏝️ Benefits

• 100% remote work.

• Flexibility to choose your hardware.

• Linux setups are specifically encouraged.

• Home office allowance provided.

• 30 days of vacation.

• Opportunities for professional development: Whether you aim to advance in system administration, networking, or software development, we support your chosen path.

• A close-knit team where everyone is familiar with each other and no one is merely a ticket number.