Top Senior Linux Jobs in Portland, ME

Build and maintain eBPF-based network monitoring instrumentation in the Datadog Agent, debug production incidents spanning kernel/eBPF/agent runtime, research and prototype solutions for high-throughput, low-latency network observability, and provide technical input to product and architecture decisions.

Senior Linux systems engineer responsible for deploying, configuring, and optimizing RHEL-based application environments. Develop automation and standardized deployment practices, ensure system reliability, performance, and security, provide third-level technical support and on-call escalation, support cloud adoption, and document/transfer operational knowledge across engineering and operations teams.

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.