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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Linux/SDET engineer - **Company:** Stellent IT LLC - **Location:** Cambridge, MA, United States (Remote available) - **Experience:** Expert - **Salary:** $95,600.0 - $131,450.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Computing Platforms, Automation of Tests, Continuous Integration, Software Debugging, Linux, File Systems, Memory Management, Perl (Programming Language), Ethernet, Python (Programming Language), Kernel-Based Virtual Machine, Linux Kernel, Software Engineering, TCP/IP, Strategies of Testing, Virtualization Technology, Scripting, SDET - **Published:** August 21, 2026 - **Apply:** https://www.careerjet.com/jobad/us54cbe375e2d4e714e5118508184e61f5 ## About the Role 12+ years of relevant software engineering, development, or test experience and a Bachelor's degree or equivalent experience. Strong software development and validation experience using C, with a focus on Linux kernel infrastructure. Strong scripting experience with Python, Shell, and/or Perl. Deep knowledge of Linux kernel internals, including: KVM and virtualization Virtio drivers cgroups Memory management File systems Block I/O Ethernet/network drivers TCP/IP stack Extensive experience with Linux kernel debugging tools and performance benchmarking. Experience designing and supporting continuous integration and automated testing frameworks. Proven ability to troubleshoot complex system-level issues and work across highly technical environments., * 12+ years of relevant software engineering, development, or test experience and a Bachelor's degree or equivalent experience. * Strong software development and validation experience using C, with a focus on Linux kernel infrastructure. * Strong scripting experience with Python, Shell, and/or Perl. * Deep knowledge of Linux kernel internals, including: * KVM and virtualization * Virtio drivers * cgroups * Memory management * File systems * Block I/O * Ethernet/network drivers * TCP/IP stack * Extensive experience with Linux kernel debugging tools and performance benchmarking. * Experience designing and supporting continuous integration and automated testing frameworks. * Proven ability to troubleshoot complex system-level issues and work across highly technical environments. * Strong communication and collaboration skills, with the ability to provide technical direction and mentor others. * A self-driven approach and the ability to operate effectively in a highly distributed, remote environment. Best Regards, Ishika ## Description Our client is seeking an experienced Principal Software Development Engineer in Test (SDET) to lead test strategy and automation for a highly distributed Linux-based AI and Compute platform. This is a remote opportunity for a senior technical leader who enjoys solving complex, low-level infrastructure challenges and building scalable testing solutions. In this role, you will own the testing strategy for a custom Linux kernel, develop advanced automation and continuous testing infrastructure, and work closely with engineering teams to ensure the platform delivers exceptional performance, reliability, and security. What You'll Do * Lead the overall test strategy for a custom Linux kernel supporting AI and Compute platforms. * Design, build, and scale automated test frameworks focused on performance, reliability, and security. * Develop comprehensive test suites for new Linux kernel enhancements and support porting existing modifications to newer kernel and VM infrastructure versions. * Troubleshoot and isolate complex, low-level system issues across test and simulated production environments. * Architect and improve build, automation, and continuous integration/testing infrastructure. * Perform Linux kernel debugging, performance benchmarking, and system-level validation. * Partner with engineering teams to establish quality standards and deliver reliable infrastructure at scale. * Provide technical leadership and mentorship to other engineers. ## Related Videos - [The best of two worlds - Bringing enterprise-grade Linux to the vehicle](https://www.wearedevelopers.com/videos/67-the-best-of-two-worlds-bringing-enterprise-grade-linux-to-the-vehicle) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges)