Top Linux Jobs in Washington, DC

As an Applied R&D Engineer, you will develop backend application software in a Kubernetes environment, focusing on streaming APIs, system design, and code quality.

Provide senior-level escalation and troubleshooting for GPU/HPC infrastructure, diagnosing hardware, driver, and kernel issues. Perform root-cause analysis across clusters, build automations and docs, mentor peers, collaborate with engineering for permanent fixes, and participate in on-call rotation and high-volume deployments.

Provide senior-level technical escalation and support for GPU/HPC cloud infrastructure. Troubleshoot hardware, drivers, kernel, networking, and workload issues; perform root-cause analysis across clusters; build automations and documentation; mentor junior engineers; participate in on-call rotations and incident response; collaborate with engineering to implement permanent fixes.

Build and maintain developer platform tooling that ensures SIL-4 safety compliance: automation for certification evidence, CI/CD improvements, Bazel build maintenance, lightweight web dashboards, developer workflow automation, monitoring, and on-call support.

Lead and deliver secure, full-stack software for DoD customers through pair-programming, TDD, continuous delivery, and client-facing mentoring. Teach agile practices, build and test APIs, run software in Linux, use container and DevSecOps tooling, and champion AI-augmented workflows while ensuring week-over-week delivery and client success.

Lead architecture and execution of vNode runtime integration with containerd and the kubelet, define and test namespace-based isolation primitives, mentor engineers, run design reviews, operate internal tenant clusters, and represent the project in upstream communities and conferences.

Design, provision, and operate AWS infrastructure for AI/HPC workloads across environments. Build and maintain IaC, CI/CD, observability, and scaling patterns. Troubleshoot networking, compute, storage, participate in incident response, document architecture and runbooks, and optimize cost and reliability.

The Senior DevOps Engineer will design and maintain infrastructure for AI Care applications, automate deployment processes, monitor performance, and lead incident responses while mentoring junior colleagues.

Implement, configure, and maintain systems and infrastructure; administer OS and virtualization platforms; automate administration tasks; monitor performance and respond to incidents; partner on system design and roadmap; document configurations and procedures to ensure availability and reliability.

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, deploy, and scale Linux automation solutions using Ansible and IaC. Implement monitoring, system hardening, configuration management, and performance optimization. Translate stakeholder needs into idempotent automation, enforce compliance (STIG/RMF/NIST), mentor team members, and evolve enterprise automation architecture in a mission-critical environment.

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.

Responsible for deploying, configuring, maintaining Linux servers, assisting with system administration, and managing OS patches using various tools.

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.

Build, patch, and test userspace packages for Rocky Linux; improve packaging tooling and automation; remediate CVEs; develop automated tests; collaborate across engineering, product, open-source, and sales; support deployments on servers, VMs, and cloud.

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.

Build and maintain Python tools for web scraping, automation, integrations (Airbnb, marketplaces), ad automation, chatbots (Chatwoot), workflow automation (Spiffworkflow), automated tests, and data analysis.

Develop a quest gameplay engine for game server and mobile apps and build a visual no-code quest editor. Collaborate in one-week Scrum sprints, design software architecture, and use C++/Qt, JavaScript/TypeScript, git, and Linux.

Develop and maintain mobile app and no-code quest editor, implement gameplay engine and server, design software architecture, and collaborate in one-week Scrum sprints using C++, Qt, QML, MySQL, and AI-assisted tools.

Part-time full‑stack developer to maintain and extend a global Laravel backend and modern frontend (Angular/React/Vue). Responsibilities include architecture, DevOps tasks, code reviews, using MySQL, PHP/JavaScript/TypeScript, GitLab workflows, and AI-assisted coding tools. Work in one-week Scrum sprints, ~10+ hours/week, equity-based compensation; applicant must hold a full‑time job.

Develop frontend features for mobile/web: quest storefront, user and creator dashboards, admin tools, marketing/sales features, and third-party integrations. Work in one-week Scrum sprints, contribute to architecture, use git/GitLab and AI-assisted coding tools, and collaborate on product development.

Develop and maintain Ubegos frontend products: mobile/web quest experiences, user and creator dashboards, admin panel, marketing features, and third-party integrations. Work in one-week Scrum sprints, perform code reviews, contribute to software architecture, and use modern frontend frameworks, relational databases, and AI-assisted coding tools.