FreeBSD Kernel Testing Engineer (PMC Validation)

Apply
Apply

Share

successfully icon

Successfully

The vacancy has been successfully added to favorites

location icon

Sao Paulo, Brazil

specialization icon

Automated Testing Others

lob icon

Automotive Industry

date icon

04/12/2025

Req. VR-119535

Apply
Project description

We are looking for an experienced FreeBSD Kernel Testing Engineer to join a project focused on expanding and enhancing the Performance Monitoring Counters (PMC) validation test suite for modern platforms.
The goal of the project is to strengthen the reliability and coverage of FreeBSD's performance monitoring frameworks across core, uncore, and IBS PMCs.
You will be responsible for creating new validation tests, improving existing ones, ensuring correct PMC multiplexing behavior, and enabling proper PMC attachment to live processes in FreeBSD environments.

This role involves close work with low-level system internals, performance instrumentation, and automated test development.

Responsibilities
bullet icon

Develop and enhance the PMC validation test suite on FreeBSD for modern platforms

bullet icon

Validate core, uncore, and IBS performance monitoring counters

bullet icon

Validate PMC multiplexing on FreeBSD

bullet icon

Validate proper PMC attach functionality to existing processes

bullet icon

Design and automate test scenarios across various performance monitoring frameworks

bullet icon

Collaborate with kernel engineers to analyze results, identify issues, and propose fixes or improvements

bullet icon

Maintain documentation, test plans, and validation reports

bullet icon

Contribute to continuous improvement of automation frameworks and test coverage

Skills

Must have

bullet icon

3-5 years of relevant experience

bullet icon

Hands-on experience with modern Unix/Linux kernel validation (FreeBSD kernel validation is a strong bonus)

bullet icon

Strong understanding of performance management frameworks (e.g., PMCs, perf, hardware performance counters)

bullet icon

Solid understanding of x86 architecture, especially performance monitoring hardware

bullet icon

Excellent automation and scripting skills (Python, Shell, or similar)

bullet icon

Experience designing and implementing automated test cases for performance monitoring frameworks

bullet icon

Ability to work with low-level debugging, instrumentation, and system performance tools

Nice to have

bullet icon

Direct experience with FreeBSD performance monitoring framework (hwpmc) and its validation

bullet icon

Experience with AMD platform architecture and performance counter implementations

bullet icon

Familiarity with kernel-level performance debugging tools

bullet icon

Background in continuous integration setup for kernel or system-level testing

Other
seniority icon

Languages

English: B2 Upper Intermediate

seniority icon

Seniority

Senior

Sao Paulo, Brazil

Req. VR-119535

Automated Testing Others

Automotive Industry

04/12/2025

Req. VR-119535

Apply for FreeBSD Kernel Testing Engineer (PMC Validation) in Sao Paulo

*Indicates a required field

Under the terms of your specific consent or to perform our obligations under a contract with you, as applicable, we, Luxoft Holding Inc. will manually and electronically process your personal data, specifically your first name, last name, phone number, e-mail address and other data you provide us through this form.


Within this context, we process personal data only for the specific purpose(s) indicated in the individual consent language or other notices provided below.


We will – insofar as reasonably necessary for the purpose you have agreed to and within the scope of applicable laws – transfer your personal data to other entities within the Luxoft Group and to the group of third party recipients listed in our Privacy Notice. Such Recipients can be located outside the European Union (EU) and/or the European Economic Area (EEA) (“Third Countries”). The Third Countries concerned, e.g. the USA, may not have the level of data protection that you enjoy e.g. under the GDPR. This can result in disadvantages such as an impeded enforcement of data subjects’ rights, a lack of control over further processing and access by state authorities. You may only have limited legal remedies against this. Insofar our transfer of your personal data to recipients in Third Countries is not covered by an adequacy decision of the EU Commission, we achieve an adequate level of data protection as further detailed out in our Privacy Notice.


With your consent, we personalise marketing communications to you by way of carrying out marketing research analysis, analysing the surfing-behaviour of our website visitors and to adjust it to their detected tendencies, as well as to plan more efficient future marketing activities. This personalised marketing does not include any automated decision-making activities.


Further information on how we process personal data in general is available in our Privacy Notice. You may withdraw any given consent at any time. The withdrawal of your consent(s) will not affect the lawfulness of processing before its withdrawal. For any request in this context, please e-mail us at: DPO@luxoft.com.


Before uploading CV or any other information to this website, to learn more about your obligations and restrictions arising from the use of this website, please read our Terms of Use.