Top Senior Linux Jobs in Denver & Boulder, CO

Owns Linux kernel engineering for Fastly’s global edge network, including kernel development, networking, XDP/eBPF, hardware enablement, performance, debugging, upstreaming, and fleet-scale production operations. The role leads technical projects, manages kernel releases and staged rollouts, resolves production incidents, improves observability and reliability, collaborates across teams, and mentors engineers while participating in on-call rotation.

Build, patch, customize, and test Linux userspace packages for Rocky Linux products. Remediate CVEs, improve package-building automation, develop automated system tests, and support deployments across servers, virtual machines, and cloud infrastructure. Collaborate on architecture, proofs of concept, documentation, capacity planning, and launch reviews while contributing to open-source development and CI/CD practices.

Develop and maintain Akamai’s custom Linux kernel for its cloud platform. Responsibilities include adding performance, reliability, and security features; porting modifications across kernel versions; debugging production and test issues; improving build and continuous-testing automation; collaborating with platform, application, hardware, and test teams; and contributing changes upstream to the Linux community.

Develop and maintain Linux kernel components and live-patching infrastructure for Rocky Linux. Responsibilities include kernel design, C programming, debugging memory management and process scheduling issues, device-driver and hardware integration, performance optimization, code review, documentation, and mentoring junior developers. The role requires deep Linux kernel internals expertise, familiarity with x86 and ARM architectures, Git workflows, and at least five years of kernel development experience.

Analyze Linux system performance, design and implement performance enhancements, productize new servers and hardware, extend performance metrics and visualizations, and build diagnostic tooling. The role requires advanced C programming, Linux kernel expertise, virtualization knowledge, hardware enablement and debugging experience, performance analysis skills, and understanding of computer architecture, concurrency, algorithms, and hardware interconnects.

Lead design and implementation of gameplay and engine systems on Linux platforms. Mentor engineers, define technical specs, manage Linux infrastructure, optimize performance and security, integrate art, maintain documentation, support live services and mobile (iOS/Android) ports, and coordinate cross-team standards and tooling.

On-site HPC Linux software engineer supporting modeling and simulation workflows: develop and maintain multi-platform Linux software, debug and analyze codebases, apply SDLC practices, unit test and manage configurations, conduct code reviews, mentor junior staff, and design/deliver training and onboarding for HPC users.