Senior Kernel Support Engineer

TuxCare

. Analyze crashes, hangs, and reboots related to live patching, including oops and panic logs, vmcore with the crash tool, and KASAN reports .

Posted 11/5/2026full-timeRemote • Poland, Romania, Czechia, Brazil, ArgentinaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong expertise in Linux Kernel Internals, Crash Analysis, and Incident Management, with a focus on live patching technologies and effective communication of technical issues. Proficient in automation and troubleshooting using Python and shell scripting, while ensuring high-quality support for enterprise customers during critical incidents.

Highest-signal resume keywords

Linux Kernel InternalsCrash AnalysisC ProgrammingIncident ManagementLinux Live Patching Technologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Linux Kernel InternalsCrash AnalysisC ProgrammingIncident ManagementLinux Live PatchingPythonShell ScriptingVirtualization TechnologiesContainer TechnologiesRoot Cause Analysis

Soft Skills

Clear CommunicationTechnical Escalation ManagementProblem-Solving

Tools & Technologies

KpatchLivepatchKspliceProxmoxKVMOpenVZLVECgroupsAI/LLM ToolsCrash Tool

Industry Keywords

Vendor Security AdvisoriesRHSAUSNDSAKernel ChangelogsGit HistorySite Reliability Engineering

Tech Stack

Tools & technologies

LinuxPythonShell Scripting

About the role

Key responsibilities & impact

Analyze crashes, hangs, and reboots related to live patching, including oops and panic logs, vmcore with the crash tool, and KASAN reports
Determine whether live patching caused an incident and communicate the conclusion to the customer
Investigate patching problems, including apply failures, stuck transitions, unknown symbols, and freeze conflicts with backup tools
Investigate missing patches and new kernel or distribution support requests
Work with the patch team to add kernel and distribution support
Answer deep CVE questions by checking patch sources and documentation
Identify root causes and provide clear reports to the patch team
Follow investigations through to resolution
Act as the named engineer for an enterprise customer during Sev 1 incidents and own cases until closure
Assist during major CVE events
Participate in the team's Sev 1 on-call rotation; 24/7 on-call is a contract obligation

Requirements

What you’ll need

Strong knowledge of Linux kernel internals, including memory management (MM), VFS, networking, scheduling, and locking mechanisms
Hands-on experience with Linux kernel crash analysis, including crash, vmcore analysis, and kernel oops decoding
Good C programming skills, with ability to read and analyze Linux kernel code and patches to identify root causes
Experience working with vendor security advisories (RHSA, USN, DSA) and kernel changelogs, including Git history
Experience handling critical production incidents and technical escalations for enterprise customers
Ability to communicate complex technical issues and investigation progress clearly
Excellent written English communication skills
Familiarity with Linux live patching technologies (kpatch, livepatch, ksplice)
Experience with virtualization and container technologies, including Proxmox, KVM, OpenVZ, LVE, and cgroups
Experience using Python and shell scripting for automation, troubleshooting, and log analysis
Familiarity with AI/LLM tools for debugging and technical investigations
Experience in Site Reliability Engineering (SRE)

Benefits

Comp & perks

A focus on professional development
Interesting and challenging projects
Fully remote work with flexible working hours, allowing you to schedule your day and work from any location worldwide
Paid 24 days of vacation per year
10 days of national holidays
Unlimited sick leave
Compensation for private medical insurance
Co-working reimbursement
Gym/sports reimbursement
Budget for education
Opportunity to receive a reward for the most innovative idea that the company can patent