Senior Site Reliability Engineer (Linux & Virtualization Platform)

Link Group is seeking a highly skilled Senior Site Reliability Engineer to join the Virtualized Host Platform team. You will play a critical role in ensuring the reliability, performance, and scalability of our foundational compute platform, focusing on Linux internals and virtualization technologies.

Key responsibilities

• Develop an expert-level understanding of the virtualized host stack, including hardware, BIOS/UEFI, Linux kernel, and KVM/QEMU layers.
• Utilize Python and shell scripting to build robust automation and tooling to manage large-scale infrastructure.
• Design and implement advanced observability systems to proactively identify and resolve issues within the kernel, drivers, or hardware.
• Serve as the primary escalation point for complex system-level investigations, collaborating across teams to perform root cause analysis.
• Participate in an on-call rotation to manage service-impacting incidents and drive long-term system resilience.

Requirements

• Expert-level knowledge of Linux internals, system administration, and the Linux kernel.
• Deep practical experience with virtualization technologies, specifically KVM/QEMU.
• Strong diagnostic skills to troubleshoot complex issues across hardware, firmware, and software layers.
• Proficiency in software development with Python and shell scripting for automation.
• Significant experience in a Senior SRE or development role within large-scale, distributed environments.
• Experience with infrastructure-as-code and configuration management tools like SaltStack or Ansible.

What we offer

• Opportunity to work on a mission-critical, global infrastructure platform.
• A collaborative environment that values deep technical expertise and problem-solving.
• Professional growth through tackling complex, large-scale engineering challenges.