Top Senior Linux Jobs in St. Louis, MO

Design, implement, and maintain enterprise Linux infrastructure on-prem and virtualized. Administer Nutanix HCI (AHV, Prism), manage RHEL ecosystems (Satellite/ Capsule), automate with Ansible and scripting (Bash/Python), support authentication (OAuth/SSO), monitoring (Grafana/Zabbix), troubleshoot performance/virtualization issues, document systems, and contribute to platform modernization and automation.

Design, implement, and maintain enterprise Linux infrastructure and Nutanix HCI (AHV) environments. Administer Red Hat tooling (RHEL, Satellite, Capsule), develop automation with Ansible and scripting (Bash/Python), monitor and troubleshoot virtualization, storage, networking, and performance, and document architectures while participating in SAFe/Scrum teams.

Design, implement, and maintain enterprise Linux infrastructure and Nutanix HCI (AHV, Prism). Automate with Ansible and scripting (Bash/Python), manage RHEL tools (Satellite/ Capsule), integrate authentication (OAuth/SSO), and support observability (Grafana/Zabbix). Troubleshoot virtualization, storage, networking, and performance issues while documenting architecture and improving automation and reliability. Active TS/SCI and CI Polygraph eligibility required.

Support the cloud engineering team with hands-on AWS work, develop and maintain Python/Django applications on Linux, provide development and support tasks, work onsite with the customer, and apply sysadmin and security framework knowledge as needed. Strong communication required.

Optimize Ubuntu integration across latest IoT and server-class hardware, lead customer engagements, and work with open source communities in a remote, collaborative environment.

Design, develop, and maintain Linux kernel components for Rocky Linux. Write and review C code, build kernel testing and automation, debug kernel-level issues, optimize performance, collaborate with hardware engineers, document designs, and mentor junior developers.

Lead the migration of a Windows-based renderer to Linux/Vulkan, ensure cross-backend correctness and performance, build regression/comparison tests, establish profiling workflows, and contribute to advanced rendering features and GPU optimization while collaborating across build, infra, and simulation teams.

Lead embedded Linux platform enablement for Nabu Casa hardware: maintain and improve Buildroot-based OS support, perform board bring-up, debug platform-level issues, optimise performance and reliability, upstream patches to open-source projects, maintain CI for builds, and document platform architecture and procedures while collaborating with hardware teams and open-source communities.

The DevOps Engineer will automate infrastructure, manage Linux systems, lead migrations to cloud platforms, and collaborate on CI/CD pipelines.

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.

Design, implement, and manage large-scale Linux-based systems with strong security and compliance. Maintain, patch, and troubleshoot Linux environments, perform backups and recovery, automate tasks, participate in capacity planning and performance tuning, and manage disaster recovery. Provide technical leadership, mentor junior staff, and collaborate with cross-functional IT teams to evaluate and adopt new technologies.

Own and architect Linux kernel-space enforcement for an identity security platform using eBPF and BPF LSM hooks. Build kernel and userspace enforcement boundary, optimize syscall hot paths, extend enforcement to containers and Kubernetes, ensure portability across kernel versions, collaborate on shared policy/backend, mentor engineers, and drive production-grade, low-latency security enforcement.