Senior Kernel Support Engineer - Remote Live-Patching Expert

TuxCare Inc.; Warszawa; Remote; PLN 470,000 - 705,000; Full time

Benefits offered by this job

Remote work

Vacation time

Medical insurance

Education budget

Gym reimbursement

Co-working stipend

Patent rewards

Job summary

TuxCare Inc. is seeking a Senior Kernel Support Engineer for KernelCare. This role focuses on analyzing live patching issues, kernel crashes, and complex enterprise incidents. You will collaborate with patch teams to extend support for new kernels and distros, and you’ll serve as the primary engineer for Sev 1 customers, including on-call duties.

The position emphasizes deep Linux kernel expertise, communication with customers, and proactive problem solving in a fully remote environment.

Qualifications

• Strong knowledge of Linux kernel internals, including memory management, VFS, networking, scheduling, and locking.

Responsibilities

• Analyze crashes, hangs and reboots related to live patching: determine if the live patch caused it and report to the customer.
• Investigate patching failures: apply failures, stuck transitions, unknown symbols, and conflicts with backup tools.
• Investigate missing patches and new kernel/distro support requests; coordinate with patch team to add support.
• Answer deep CVE questions by checking patch sources and docs.
• Identify root cause, provide patch team with a clear report, and guide fixes.
• Be the named engineer for an enterprise customer during Sev 1 and own the case until closure.
• Assist during major CVE events.
• On-call for Sev 1 with the team (24/7 is a contractual obligation).

Skills

Linux kernel internals

Kernel crash analysis

C programming

Vendor advisories

Production incident handling

English communication

Tools

crash

vmcore analysis

kernel oops decoding

Job description

TuxCare Inc. is seeking a Senior Kernel Support Engineer for KernelCare. This role focuses on analyzing live patching issues, kernel crashes, and complex enterprise incidents. You will collaborate with patch teams to extend support for new kernels and distros, and you’ll serve as the primary engineer for Sev 1 customers, including on-call duties.

The position emphasizes deep Linux kernel expertise, communication with customers, and proactive problem solving in a fully remote environment.