Top Linux Jobs in Portland, ME

Lead Linux engineering sustainment for U.S. Army systems. Responsibilities include administering and securing RHEL environments, managing Pacemaker high-availability clusters, operating Linux servers in AWS, automating system administration with scripting, applying patches and hardening systems, remediating vulnerabilities, supporting software updates, developing test strategies, performing technical analysis, and communicating solutions to teams and customers. The role requires an active Secret clearance and supports mission-critical DoD infrastructure.

Develop and maintain Akamai’s custom Linux kernel and distribution for a globally distributed cloud platform. Responsibilities include adding performance, reliability, and security features; porting modifications to newer kernels; debugging production and test issues; improving build and continuous-testing automation; collaborating with platform, application, test, and hardware teams; and contributing work upstream to the open-source Linux community.

Provides 24x7 operational support for managed Linux customer environments, including installation, incident resolution, patching, escalation support, documentation, customer communication, and process automation. Collaborates with operations and architecture teams to maintain service availability and resolve high-severity incidents.

Develop and operate Akamai’s Linux-based cloud infrastructure, including bare-metal and virtual machine platforms, kernels, operating systems, and KVM/QEMU virtualization. Build software, automation, observability, and infrastructure enhancements at scale; troubleshoot complex distributed-system issues; collaborate across engineering and operations; mentor team members; and participate in on-call service restoration.

Graduate software engineers will develop open-source and commercial software across the Linux stack, from firmware, kernels, and drivers to desktop applications, containers, clouds, and Kubernetes. Responsibilities include writing resilient, performant code, contributing to product roadmaps, engaging with users and open-source communities, addressing customer issues, and developing secure software. The role is globally remote with twice-yearly international team sprints and emphasizes mentorship, collaboration, and continuous technical growth.

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.

Designs, implements, administers, and supports critical Linux infrastructure and enterprise systems. Diagnoses system issues, develops remediation plans, supports application infrastructure, and contributes to compliance activities. Builds automation, deployment pipelines, and infrastructure-as-code solutions using Linux, cloud, Kubernetes, GitOps, and configuration-management tools. Partners with engineering, security, and operations teams to improve reliability, scalability, security, and deployment efficiency while mentoring junior engineers.

The role involves developing software for Linux-based systems on autonomous devices, optimizing performance and ensuring reliability in various hardware environments.

Join Canonical's Kernel Team as a Junior Linux Kernel Engineer to work on Linux kernel development for Ubuntu, collaborating on projects ranging from security hardening to driver integration.

Design and implement Ubuntu integration for IoT and server-class hardware, working with partners on performance enhancements and testing strategies.

Optimize Ubuntu for the latest IoT and server hardware, leading technical engagements, and work with open source communities. Requires experience with Linux and C/C++.

The role involves enhancing Ubuntu Linux kernel support for various SoC platforms, collaborating with silicon vendors, resolving kernel issues, and implementing performance optimizations.

Lead the architecture and delivery of enhancements to the Ubuntu Linux kernel, collaborate with other teams, and mentor engineers.

Design, implement, and manage secure, highly available RHEL servers and Azure-based cloud solutions. Automate deployments with scripting, support Docker/Kubernetes pipelines, document systems, and adapt to new Azure resources to enhance capabilities for developer groups and military customers.

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

Canonical is seeking exceptional software engineers for the Linux kernel team, involving collaboration on Ubuntu's kernel development across various hardware. Responsibilities include diagnosing kernel issues, improving automation, and participating in global tech events twice a year.

Administer, monitor, troubleshoot, and optimize Linux workloads and Azure PaaS/IaaS services. Support connectivity, identity, observability, CI/CD, security patterns, and migrations from VM-hosted workloads to managed Azure services while collaborating with application and DevOps teams.