FreeBSD Engineer

**Project Description:** * We are building a team to work on the FreeBSD Performance Monitoring Counter (PMC) framework, including hwmon, libpmc, and pmcstat. * The project includes development, testing, and cooperation with the upstream FreeBSD open\-source community to integrate new features into FreeBSD. **Responsibilities:** * Develop and improve parts of the FreeBSD PMC framework (hwmon, libpmc, pmcstat) * Investigate and fix performance and monitoring issues in the FreeBSD kernel * Work with the upstream FreeBSD community and integrate changes into mainline FreeBSD * Support performance monitoring tools for modern AMD (Zen era) hardware * Participate in code reviews and technical discussions **Skills Description:** **Must have:** * 7 years of experience in relevant technical areas * Strong knowledge of FreeBSD kernel architecture and internals * Excellent C programming skills * Strong understanding of x86 microarchitecture * Very good knowledge of performance monitoring on modern x86 systems **Nice\-to\-Have:** * Previous contributions to upstream FreeBSD kernel code * Experience with AMD Zen performance monitoring technologies (PMC, IBS, etc.) **Languages:** English: B2 Upper Intermediate **Seniority:** Senior If you\`re interesting in the role, send your profile (CV) in English and contact to me. ¡Thank you!