Top Senior Linux Jobs in San Antonio, TX

The DevOps Engineer will automate deployment processes, manage AWS infrastructure, troubleshoot systems, and collaborate with development teams to enhance reliability and scalability.

Senior systems engineer responsible for on-site Fort Meade Linux systems administration, virtualization, networking, infrastructure automation, storage and cluster management, troubleshooting, and communicating with government stakeholders across systems lifecycle phases.

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.

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 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.

Owner of the embedded Linux platform on NVIDIA Jetson-based edge systems. Integrate and maintain ROS2 sensor nodes, develop drivers, OTA pipelines, on-device AI inference (TensorRT/CUDA), networking and secure connectivity, ensure reliability in maritime environments, and triage field issues while collaborating across hardware, cloud, and AI teams.