Top Senior Linux Jobs in Washington, DC

Lead design and development of highly available payment processing, subscription billing, settlement, refunds, and reporting systems. Integrate with external payment processors and APMs, ensure automated build/test/deploy pipelines, debug production issues, optimize performance, decompose features for incremental releases, conduct design/code reviews, mentor junior engineers, and incorporate regulatory requirements (PCI‑DSS, PSD2/SCA, 3DS2).

Lead and manage multiple engineering teams, design agentic LLM-driven development workflows, set technical strategy and standards, ensure delivery quality, mentor engineers, oversee onboarding and performance reviews, and coordinate cross-team efforts to mitigate risks and maintain system ownership, testing, logging, and monitoring.

Design, implement, test, and maintain low-level embedded firmware for ARM Cortex-M systems. Debug hardware/software issues using lab equipment, develop Python host tools, support hardware bring-up, CI/CD and automated testing, resolve manufacturing and field issues, and participate in architecture, code reviews, and documentation.

Lead platforms engineering for scalable cloud infrastructure: design and implement Kubernetes-based systems, optimize data pipelines with AI, refactor stateful services to be stateless, improve autoscaling and reliability, own data ingestion/export, build internal developer tools, enforce security and testing standards, mentor engineers, and participate in on-call rotations.

As a Senior 3D Software Engineer, you will develop advanced 3D algorithms while collaborating with cross-functional teams in an agile environment.

Lead architecture and delivery of highly available, resilient cloud and on‑prem systems for the Password Safe platform. Own platform engineering, CI/CD pipelines, IaC/GitOps, release orchestration, observability (metrics/logs/traces), chaos engineering, SLO/SLI definition, and core services. Mentor engineers, define SRE strategy, and drive reliability, security, and automation improvements.

Operate and improve brokerage platform reliability: on-call incident response, define SLIs/SLOs, enhance observability, deploy infrastructure via GitOps, and own PostgreSQL performance, migrations, HA/DR, and mentoring.

Operate and lead data-center LAN infrastructure in a 24/7 SaaS environment. Own troubleshooting, incident response, and change management across Cisco Nexus, Palo Alto, and F5 platforms. Drive projects, architecture (VXLAN/EVPN), automation (Ansible, Terraform, Python), observability (Prometheus, Grafana, SolarWinds), and cloud networking (AWS, GCP). Mentor junior engineers, participate in on-call rotation, and define operational standards, reliability metrics (SLI/SLO), and preventive engineering.

The Senior/Principal Performance Engineer will lead system and application performance across products, optimize workloads, enhance CI/CD pipelines, and integrate AI tools while collaborating across teams to ensure top-tier performance outcomes.

Design, build, and operate scalable, secure cloud infrastructure and CI/CD pipelines. Manage Kubernetes environments, implement IaC (Terraform), improve observability, troubleshoot production issues, support security/compliance, and mentor junior engineers to optimize platform reliability and cost.

Lead design and delivery of the public-facing API platform and ingestion services. Build scalable, reliable real-time distributed systems, collaborate with product and data teams, review designs and code, address technical debt, take operational ownership using observability tools, and mentor engineers.

Define and enforce governance and standards for multi-cloud platforms (AWS, Azure, GCP, OCI, Snowflake). Build platform features, implement infrastructure as code, support application teams, ensure reliability/security/cost-efficiency, automate deployments, and manage servers, storage, networking, backup and disaster recovery.

Lead reliability and performance efforts for distributed metadata systems: tune and optimize systems, develop monitoring and automation, manage rollouts, troubleshoot incidents, run simulations and analytics, and support database/configuration management to improve global network stability and capacity.

Build and automate internal tools and services to operate Qdrant Cloud at scale. Develop platform components in Go and Python, improve Kubernetes automation, provisioning, reliability, scalability, and observability. Collaborate on architecture, participate in incident response, and reduce manual operational toil through automation.

Lead the migration of a Windows-based renderer to Linux/Vulkan, ensure cross-backend correctness and performance, build regression/comparison tests, establish profiling workflows, and contribute to advanced rendering features and GPU optimization while collaborating across build, infra, and simulation teams.

Lead Azure platform projects, manage teams, troubleshoot cloud services, ensure security management, and support clients in a 24x7 environment.

Design, implement, and operate observability and reliability for cloud platforms. Measure and monitor production systems, reduce toil via automation, drive incident response and on-call practices, and partner with product and platform teams to improve scalability, resiliency, and observability.

The Principal Software Engineer at Snout will define architectural direction, build features across the stack, and enhance team effectiveness, ensuring quality and performance.

Lead the backend team, setting technical direction for a scalable platform, designing distributed systems in Golang, and mentoring engineers.

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.

Lead and evolve secure, automated cloud platforms and CI/CD pipelines using IaC, containers, and Kubernetes. Integrate security tooling, mentor engineers, optimize cloud cost and reliability, and produce technical documentation while supporting Generative AI development workflows.

Own and maintain reliability, performance, scalability, and capacity of massive Ceph storage clusters. Troubleshoot distributed storage issues, build automation (Python/Shell, SaltStack, Ansible), define observability (SLIs/SLOs, PromQL/LogQL, Grafana), and lead lifecycle initiatives like upgrades, expansions, and migrations.

Design, build, and optimize edge data-collection agents for Windows, Linux, and Mac. Collaborate with product, UX, and engineering to deliver backend features, own development lifecycle, create automated tests, support SaaS products, and participate in 24x7 on-call rotations.

Build and lead development of a customer-facing metric store for high-volume telemetry. Design scalable backend services, data models, ingestion pipelines, and query execution paths. Optimize query performance, storage efficiency, and system reliability. Collaborate with Product, Design, and Operations from architecture through production, mentor junior engineers, participate in on-call rotation, and help define testing, deployment, and operational practices.

Design, build, and operate reliable backend systems while mentoring engineers, participating in design discussions, and improving system performance.