FreeBSD Engineer

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Sao Paulo, Brazil

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C Embedded

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Automotive Industry

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18/11/2025

Req. VR-119153

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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
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Develop and improve parts of the FreeBSD PMC framework (hwmon, libpmc, pmcstat)

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Investigate and fix performance and monitoring issues in the FreeBSD kernel

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Work with the upstream FreeBSD community and integrate changes into mainline FreeBSD

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Support performance monitoring tools for modern AMD (Zen era) hardware

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Participate in code reviews and technical discussions

Skills

Must have

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7 years of experience in relevant technical areas

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Strong knowledge of FreeBSD kernel architecture and internals

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Excellent C programming skills

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Strong understanding of x86 microarchitecture

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Very good knowledge of performance monitoring on modern x86 systems

Nice to have

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Previous contributions to upstream FreeBSD kernel code

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Experience with AMD Zen performance monitoring technologies (PMC, IBS, etc.)

Other
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Languages

English: B2 Upper Intermediate

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Seniority

Senior

Sao Paulo, Brazil

Req. VR-119153

C Embedded

Automotive Industry

18/11/2025

Req. VR-119153

Apply for FreeBSD Engineer in Sao Paulo

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