Senior Unix/Linux System Administrator

Company Description

QB Networks and Masscollabs Services is looking for a Senior Unix/Linux System Administrator to architect, scale, and maintain our global, open-source infrastructure. We are a mission-driven, Free Software project blending software, hardware, and digital science to build an autonomous internet cyberspace. If you are passionate about copyleft principles, decentralized infrastructures, and robust automation, join our fully remote team.

Role Description

As a Senior Unix/Linux System Administrator, you will serve as the backbone of our open infrastructure. You will manage complex infrastructure systems, implement advanced automation, and ensure the high availability of our digital ecosystem. This role requires a combination of deep technical expertise in Debian GNU/Linux systems, proactive security engineering, and a core commitment to the free-software philosophy.

Key Responsibilities

• Infrastructure Architecture: Design, deploy, and maintain high-performance Unix/Linux server environments globally.
• System Optimization: Monitor system health, tune kernel performance, and manage resource allocation for maximum uptime.
• Automation Engineering: Write and maintain advanced scripts (Bash, Python, or Go) to automate configuration management and deployments.

Interested in remote work opportunities in IT & Network Engineering? Discover IT & Network Engineering Remote Jobs featuring exclusive positions from top companies that offer flexible work arrangements.

• Network & Security: Troubleshoot complex network topologies, manage firewalls, and implement cryptographic security standards.
• Disaster Recovery: Implement, test, and maintain robust backup solutions and failover strategies across decentralized nodes.
• Community & Collaboration: Participate in peer code reviews, document open infrastructures, and mentor junior open-source contributors.

Required Qualifications

• Experience: Minimum 10+ years of professional Linux System Administration experience in enterprise or large-scale open-source projects.
• OS Expertise: Advanced, hands-on mastery of Debian GNU/Linux alongside classical Unix environments (FreeBSD/OpenBSD experiences are highly valued).
• Deep Troubleshooting: Exceptional skills in diagnosing complex kernel, hardware, storage (ZFS/LVM), and network-layer routing issues.
• Automation Mastery: Strong proficiency in writing production-grade automation scripts and utilizing tools like Ansible.
• Core Networking: Solid understanding of TCP/IP, DNS, BGP routing, SSH hardening, and VPN technologies.

Browse our curated collection of remote jobs across all categories and industries, featuring positions from top companies worldwide.

• Communication: Excellent written and verbal communication skills for a fully asynchronous, remote team environment.

Preferred Merits

• Philosophy: A deep, verifiable passion for Free Software Foundation values, GNU principles, and copyleft licensing.
• Contributed Code: Active upstream contributions to the Debian ecosystem or other notable open-source software projects.
• Virtualization: Experience deploying and scaling kernel-level virtualization tools like KVM, QEMU, or LXC/LXD.

What We Offer

• 100% Remote Freedom: Work from anywhere in the world with flexible, asynchronous hours.
• True Open Source: No proprietary silos—your work actively contributes to a free, open, and conscious internet cyberspace.
• Technical Liberty: Influence our infrastructure roadmap directly alongside a team of like-minded digital scientists.