Mid Level Linux Software Engineer Jobs
Mid level linux software engineer jobs go to engineers ready to own subsystems or features end to end, make architectural decisions with limited oversight, and mentor junior teammates through code reviews and technical guidance. Openings run across Technology & Software and Science & Research, with employers like Pure Storage, ThreatLocker, and Nimble Robotics hiring at this level now.
Find JobsOverview
Showing 5 of 5+ Mid Level Linux Software Engineer jobs
Looking for more mid level linux software engineer jobs?
Explore related role searches to find more openings that fit.
See related jobsCOMPANY OVERVIEW
ThreatLocker® is a global cybersecurity leader that stops cyberattacks before they happen. The company’s Zero Trust Platform prevents breaches from both known and unknown threats by allowing only explicitly trusted software and activity across endpoints, networks, and cloud systems. Built to deploy quickly and scale across complex environments, the platform reduces operational overhead while keeping business running uninterrupted. Headquartered in Orlando, Florida, with offices in Dublin, Dubai, and Brisbane, ThreatLocker protects over 70,000 organizations worldwide.
POSITION OVERVIEW
ThreatLocker is seeking a Linux Kernel Developer to join our cybersecurity product team. In this role, you will design, develop, debug, and maintain low-level Linux components that support endpoint security, application control, and threat prevention across multiple Linux distributions and architectures.
DEVELOPMENT — Full-Time
Responsibilities
- Develop, debug, test, and maintain Linux kernel-level components using C/C++
- Work with kernel modules, eBPF, system calls, filesystems, networking, memory management, and process monitoring
- Validate kernel functionality from user space and work with user-space APIs
- Debug complex kernel, performance, compatibility, and system-level issues
- Support compatibility across Red Hat, Debian, Ubuntu, SUSE, and other Linux environments
- Support kernel and platform enablement across x86_64 and ARM64
- Contribute to build, packaging, CI/CD, and automated kernel testing processes
- Support platform and Linux distribution porting where required
- Collaborate with development, QA, DevOps, and security teams
REQUIRED QUALIFICATIONS:
- 5+ years of software development experience
- Strong C/C++ development skills
- Strong understanding of Linux kernel internals
- Experience with Linux kernel modules and/or eBPF
- Experience with processes, scheduling, memory management, concurrency, filesystems, networking, or storage subsystems
- Experience debugging kernel and low-level system issues
- Strong understanding of computer architecture and system-level software
- Experience working across multiple Linux distributions and kernel versions
PREFERRED QUALIFICATIONS:
- Experience developing endpoint security, EDR, antivirus, or similar security software
- Experience with eBPF-based monitoring or enforcement
- Experience with ARM64 and x86_64
- Experience with Python for tooling, testing, or automation
- Experience with Linux packaging, kernel build systems, and CI/CD
- Experience with virtualization technologies such as KVM, VMware, Xen, or Hyper-V
- Knowledge of PCIe, DMA, SR-IOV/SIOV, or related low-level system interfaces
- Experience contributing to or maintaining upstream Linux kernel code
A background check and drug/substance screening are required after a conditional offer. Employment will proceed only upon receiving clear results from both.
ThreatLocker also conducts randomized drug and substance testing approximately every 60 days, in line with the same screening standards.
COMPANY OVERVIEW
ThreatLocker® is a global cybersecurity leader that stops cyberattacks before they happen. The company’s Zero Trust Platform prevents breaches from both known and unknown threats by allowing only explicitly trusted software and activity across endpoints, networks, and cloud systems. Built to deploy quickly and scale across complex environments, the platform reduces operational overhead while keeping business running uninterrupted. Headquartered in Orlando, Florida, with offices in Dublin, Dubai, and Brisbane, ThreatLocker protects over 70,000 organizations worldwide.
POSITION OVERVIEW
ThreatLocker is seeking a Linux Kernel Developer to join our cybersecurity product team. In this role, you will design, develop, debug, and maintain low-level Linux components that support endpoint security, application control, and threat prevention across multiple Linux distributions and architectures.
DEVELOPMENT — Full-Time
Responsibilities
- Develop, debug, test, and maintain Linux kernel-level components using C/C++
- Work with kernel modules, eBPF, system calls, filesystems, networking, memory management, and process monitoring
- Validate kernel functionality from user space and work with user-space APIs
- Debug complex kernel, performance, compatibility, and system-level issues
- Support compatibility across Red Hat, Debian, Ubuntu, SUSE, and other Linux environments
- Support kernel and platform enablement across x86_64 and ARM64
- Contribute to build, packaging, CI/CD, and automated kernel testing processes
- Support platform and Linux distribution porting where required
- Collaborate with development, QA, DevOps, and security teams
REQUIRED QUALIFICATIONS:
- 5+ years of software development experience
- Strong C/C++ development skills
- Strong understanding of Linux kernel internals
- Experience with Linux kernel modules and/or eBPF
- Experience with processes, scheduling, memory management, concurrency, filesystems, networking, or storage subsystems
- Experience debugging kernel and low-level system issues
- Strong understanding of computer architecture and system-level software
- Experience working across multiple Linux distributions and kernel versions
PREFERRED QUALIFICATIONS:
- Experience developing endpoint security, EDR, antivirus, or similar security software
- Experience with eBPF-based monitoring or enforcement
- Experience with ARM64 and x86_64
- Experience with Python for tooling, testing, or automation
- Experience with Linux packaging, kernel build systems, and CI/CD
- Experience with virtualization technologies such as KVM, VMware, Xen, or Hyper-V
- Knowledge of PCIe, DMA, SR-IOV/SIOV, or related low-level system interfaces
- Experience contributing to or maintaining upstream Linux kernel code
A background check and drug/substance screening are required after a conditional offer. Employment will proceed only upon receiving clear results from both.
ThreatLocker also conducts randomized drug and substance testing approximately every 60 days, in line with the same screening standards.
See All 5 Mid Level Linux Software Engineer Jobs
Find roles that match your experience and apply in just a few clicks.
Find JobsMid Level Linux Software Engineer Job Market
Who's Hiring
Top Industries Hiring
- Technology & Software
- Science & Research
Mid Level Linux Software Engineer Jobs: Frequently Asked Questions
How do I get a mid level linux software engineer job?
Position yourself around ownership, not just contribution. Highlight projects where you drove design decisions, debugged production issues independently, or delivered a feature from spec to deployment. Emphasize hands-on experience with the Linux kernel, system calls, shell scripting, and relevant toolchains. Interviewers at this level expect you to discuss tradeoffs you made, not just tasks you completed, so frame your resume and interviews around outcomes and technical reasoning.
Which companies hire mid level linux software engineers?
Companies hiring mid level linux software engineers right now include Pure Storage, ThreatLocker, and Nimble Robotics, based on current listings on Migrate Mate as of November 2026. Hiring at this level comes from a broad mix of enterprise software firms, defense and aerospace contractors, semiconductor companies, and cloud infrastructure providers that depend on deep Linux expertise to build and maintain their core platforms.
Are there remote mid level linux software engineer jobs?
Yes, though availability varies by role type and employer. About 33% of mid level linux software engineer openings are remote or hybrid as of November 2026, making it a realistic option for engineers who prefer flexibility. Roles involving embedded systems or hardware-adjacent work tend to be more on-site, while platform engineering, DevOps, and systems software positions are more commonly offered remotely.
How do I move up to a mid level linux software engineer role?
The path from entry level to mid level is built through progressively deeper ownership. Early in your career, focus on mastering core Linux internals, the toolchain, and at least one domain such as networking, storage, or kernel modules. As you gain footing, take on features with less supervision, contribute to code reviews, and document your impact with measurable results. Employers look for engineers who have made decisions, not just implemented them.
Which industries hire the most mid level linux software engineers?
Mid Level linux software engineer roles concentrate in Technology & Software and Science & Research, based on current listings on Migrate Mate as of November 2026. These sectors drive hiring because their core products, whether cloud platforms, networking hardware, automotive systems, or defense software, depend on engineers who can work close to the operating system and own complex, long-lived codebases with production consequences.