Top Senior Linux Jobs in Washington, DC

Design and maintain C++ and Python software for complex cross-platform systems. Develop APIs, messaging interfaces, CI/CD workflows, and automated tests while integrating distributed real-time systems, simulation tools, and third-party hardware and software. Debug system-level issues involving threading, timing, and data flow, contribute to architecture, and collaborate across teams. The role requires active Secret clearance and supports potential progression to TS/SCI clearance.

Design, build, and deploy web and database solutions using HTML, JavaScript, and Python within a healthcare context. Implement CI/CD and containerized deployments (OpenShift/Docker), integrate Red Hat Fuse ESB and Apache Camel, and architect AWS-based solutions (EC2, S3, Lambda, DynamoDB). Work in Agile teams, create/consume REST APIs, apply web security practices, and use tools like Jenkins/GitLab, GitHub, SonarQube, and Ansible.

Design, deploy, operate, and scale GPU/CPU infrastructure for Starshield’s national security missions. Manage Kubernetes and AI clusters, bare-metal and virtualized GPU platforms, operating systems, databases, monitoring, and distributed storage. Develop infrastructure automation, improve service reliability and performance, collaborate with AI engineers and customers, and lead technical excellence while mentoring junior engineers.

Own the reliability, availability, security, and observability of Tradeweb’s global AWS platform. Responsibilities include infrastructure-as-code automation, monitoring, SLO development, incident triage and resolution, performance analysis, architecture collaboration, and regular on-call support. The role requires cloud-native engineering, scripting, networking, Linux/Unix, security, and reliability expertise while contributing to an Agile engineering organization.

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.

Architect, deploy, and support AWS-focused multi-cloud environments across AWS, Azure, and GCP. Manage Okta identity federation, certificates, DNS, networking, governance, security controls, and IaC-based CI/CD pipelines. Serve as a Tier 3 escalation point, validate cloud service delivery, document solutions, and partner with customers and internal engineering, cybersecurity, and operations teams. The role requires onsite or remote work with regular travel and an active Top Secret clearance.

Develop and optimize Firefox performance across Windows, Android, Linux, and macOS. Write code, tests, prototypes, and tooling; profile and diagnose bottlenecks; improve benchmarks; and lead performance initiatives. Collaborate across engineering teams, educate developers, drive projects to completion, own browser performance areas, and contribute to the team’s technical roadmap.

Build full-stack software, backend services, APIs, frontend experiences, and shared integration capabilities supporting AI initiatives across Keeper’s products. Integrate LLMs, agents, and tool-calling workflows into secure production environments while maintaining zero-knowledge principles. Troubleshoot cross-product systems, improve reliability and observability, contribute to architecture and code reviews, automate testing and CI/CD, and collaborate with AI, product, and engineering teams.

Leads the design and implementation of secure, compliant AWS environments, including GovCloud, multi-account landing zones, networking, containers, infrastructure as code, CI/CD, and hybrid connectivity. Translates an existing GCP platform into AWS while maintaining security-control parity and supporting FedRAMP, NIST, CMMC, and ATO requirements. The role also troubleshoots complex infrastructure issues, develops technical documentation, supports continuous monitoring and remediation, and mentors engineers while collaborating with customers and cross-functional teams.

Build and maintain Python services, REST APIs, batch jobs, shared libraries, claims workflows, and internal applications. Develop maintainable, unit-tested code; write SQL for MySQL databases; participate in design, code review, deployment, and production support; and collaborate across departments. The role also involves handling sensitive healthcare data, using AI-assisted development tools responsibly, and working in a regulated pharmacy benefits domain.

Designs and supports secure CI/CD pipelines, cloud-native infrastructure, containerized applications, Kafka and Elastic platforms, AWS environments, observability solutions, certificate lifecycle automation, and DoD security compliance. The role troubleshoots infrastructure and application issues, optimizes cloud costs, integrates security controls, monitors reliability, and collaborates with distributed Agile engineering teams. It also provides technical leadership, documentation, stakeholder communication, and operational risk management.

Own the durability, recoverability, performance, and security of a production PostgreSQL/RDS fleet supporting a live trading platform. Lead replication, failover, backup and restore, disaster-recovery drills, data lifecycle management, access control, encryption, and database observability. Investigate engine-level performance issues including WAL contention, replica lag, bloat, and locking. Build infrastructure and AI-assisted operational tooling while documenting runbooks and reliability decisions.

Build and maintain scalable full-stack web applications using PHP, Laravel, React, Next.js, SQL, and related technologies. Own features from design through deployment and monitoring, develop APIs, optimize databases and legacy systems, troubleshoot performance issues, and contribute to code quality, security, and engineering practices. Collaborate cross-functionally in an agile, continuous-deployment environment while using AI-assisted tools responsibly.

Lead test strategy for Akamai’s custom Linux kernel and OS imaging process. Design scalable automated test frameworks, validate hardware compatibility, performance, reliability, and security, and develop test suites for new hardware platforms. Troubleshoot low-level system issues, enhance build and continuous testing infrastructure, establish quality standards, and mentor junior engineers.

Own and scale the PostgreSQL and AWS Aurora database layer for a high-volume legal-services platform. Responsibilities include schema and migration review, query and index tuning, production issue diagnosis, lock and replication troubleshooting, database maintenance automation, backup and restore support, access control, and collaboration with infrastructure, software development, and data science teams. The role also supports reporting, billing, PII-sensitive data, and ERP-related data flows.

Lead architecture and hands-on implementation for Akamai’s cloud compute platform, including virtualization, hypervisors, operating systems, containers, and Kubernetes infrastructure. Own system design, build proof of concepts, guide engineering teams, influence product direction and roadmaps, establish best practices, and mentor engineers while delivering highly available, fault-tolerant distributed services.

Operates and supports customer cloud environments across Azure, AWS, GCP, and OCI. Responsibilities include monitoring, incident and request response, provisioning, access management, maintenance, troubleshooting, governance, documentation, customer communication, and ITSM execution. The role also uses scripting, automation, monitoring, and DevOps/SRE practices to improve operational consistency. Participation in after-hours and weekend on-call support is required.

Leads high-fidelity CFD analysis for missiles, interceptors, munitions, and other high-speed vehicles. Establishes CFD standards, develops meshes and automated HPC workflows, validates simulations against wind tunnel and flight-test data, and integrates aerodynamic databases into vehicle design, GNC, trajectory, and mission models. Mentors engineers, presents findings at design reviews, supports resource planning, and provides technical leadership across complete vehicle programs.

Operates and maintains enterprise virtualization platforms across multiple client environments. Responsibilities include VMware Cloud Foundation, NSX, ESXi, vCenter, vSAN, capacity planning, performance troubleshooting, lifecycle management, incident leadership, automation, migrations, root cause analysis, change management, documentation, and client communication. The role also supports KVM and Hyper-V environments, leads virtualization projects, and mentors junior engineers.

Owns the health, performance, capacity, lifecycle, migration, replication, and incident response for Dell storage platforms across multiple client environments. Responsibilities include storage networking, performance tuning, firmware upgrades, support case management, automation, root cause analysis, change management, documentation, and client reporting. The engineer leads storage-impacting incidents, collaborates with virtualization and data protection teams, mentors junior engineers, and provides capacity and best-practice guidance.

Lead the Client Platform organization responsible for container image builds, software supply chain security, and over-the-air updates across customer environments. Manage engineering managers and approximately 10 engineers, establish engineering culture, drive architecture decisions, operate secure CI/CD pipelines, and own distributed update systems. Partner with security research, product management, and customer success to deliver the client-side roadmap.

Own BAMKO’s AWS and Cloudflare infrastructure end to end, improving availability, scalability, resilience, automation, monitoring, disaster recovery, and cost efficiency. Manage infrastructure as code, databases, production upgrades, backups, and the AWS Well-Architected improvement roadmap. Serve as the primary on-call resource for infrastructure incidents and lead post-incident reviews.

Designs, develops, and maintains cloud infrastructure, monitoring tools, CI/CD pipelines, Terraform, Kubernetes, and disaster recovery solutions. The role automates operations, contributes to architecture, supports high availability and low latency, and collaborates with cross-functional teams across global time zones.

Design, automate, secure, and operate Kubernetes platforms for a DoD environment. Responsibilities include infrastructure as code, GitOps and CI/CD, Kubernetes networking and RBAC, service mesh, cloud integrations, platform troubleshooting, and reliability improvements. Senior engineers also guide technical decisions and mentor others while remaining hands-on.

Install, configure, maintain, and secure Nokia’s Linux and Windows infrastructure, including physical and virtual servers, clusters, grids, and cloud environments. Monitor system health, performance, logs, metrics, and alerts; troubleshoot hardware and system issues; manage incidents; and implement automation using configuration management and scripting tools. Collaborate with data science and engineering teams on ML/AI workflows, provide Linux administration guidance, and maintain technical documentation.