Top Linux Jobs in Washington, DC

Develops C++ and Python simulation plugins, adapters, and interfaces for defense modeling and simulation environments. Leads migration from HMSSimBlocks to HMSF, maintains legacy compatibility, builds reusable CIGI integrations, supports DDS and network communications, and troubleshoots simulation-autonomy integration issues. The role also includes designing extensible architectures, writing automated tests, documenting software, and supporting integration teams.

Integrate and verify autonomy software on aircraft hardware across SIL, HIL, ground, and flight-test environments. Develop test plans, test cards, schedules, and automation; identify and resolve interface, timing, protocol, and hardware/software integration gaps. Coordinate with aircraft vendors, configure test benches, troubleshoot anomalies, assess flight readiness, and analyze post-flight data. The role requires Linux and Python proficiency, cross-functional coordination, periodic travel, and eligibility for a U.S. DoD SECRET clearance.

Designs, configures, tests, and sustains complex networks for hardware-in-the-loop laboratories, simulations, and aerospace defense programs. Develops network automation, configuration-as-code, observability, and CI/CD tooling; integrates hardware, radios, sensors, flight computers, and simulators; executes performance and interoperability testing; troubleshoots distributed systems; maintains network documentation and baselines; and supports customer demonstrations and operational evaluations.

Deploys, integrates, configures, troubleshoots, and supports airborne vision and detection systems across laboratory, production, customer, and field environments. Performs hardware and software integration, wiring and electro-mechanical work, system testing, configuration management, documentation, customer training, and field-service logistics. Coordinates with engineering, production, quality, program, and customer teams while supporting deployments and demonstrations. Requires approximately 50% travel and ability to obtain a Secret clearance.

Owns daily operations, readiness, and growth of Hardware-in-the-Loop and engineering laboratories. Builds, configures, maintains, and troubleshoots racks, test benches, compute systems, networking, wiring, flight hardware, and simulation infrastructure. Manages assets, calibration, schedules, procurement, documentation, safety, cybersecurity, and configuration control. Supports software development, integration testing, customer demonstrations, and operational evaluations while coordinating technical lab needs across engineering and program teams.

Build and lead GM’s Core OS engineering organization for vehicle compute platforms. Define the team charter, hire engineers, establish architecture, and deliver production software supporting hypervisors, virtualization, containers, secure boot, safety monitoring, and Linux, Android, and QNX guest operating systems. Own roadmaps, KPIs, cross-functional integration, vendor partnerships, risk management, and vehicle-program milestones while ensuring scalable, reliable, and updateable platform software.

Designs, implements, and manages AWS infrastructure and Infrastructure as Code automation. Partners with application engineering, quality, security, and compliance teams to deliver reliable platform solutions. Owns platform stability, observability, incident response, security best practices, and zero-downtime deployments. Participates in on-call rotations, uses metrics for decision-making, and supports application architecture decisions while continuously improving DevOps processes and automation.

Lead the technical vision and architectural evolution of Huntress’s Core Platform. Build complex Ruby on Rails features, solve scaling challenges, manage cross-team dependencies, drive architectural decisions, and oversee system lifecycle and technical risk. Mentor engineers, establish engineering excellence, collaborate with managers and product leaders, and help teams adopt AI coding tools responsibly.

Designs and maintains large-scale production infrastructure across Linux, Windows, VMware, OpenStack, Docker, and Kubernetes environments. The role administers bare-metal servers and virtual machines, develops automation using Python, Go, and PowerShell, troubleshoots hardware and virtualization issues, and supports incident response through an on-call rotation. Responsibilities also include technical architecture, networking, configuration management, documentation, post-mortems, and applying AI tools to improve operational workflows.

Develop and maintain scalable Java and Spring Boot REST services, APIs, and microservices for mission-critical geospatial systems. Support containerization, orchestration, CI/CD, DevOps automation, testing, infrastructure deployment, data platforms, and third-party integrations. Contribute to architecture, performance optimization, troubleshooting, documentation, stakeholder demos, and Agile delivery. The role requires onsite work in Herndon, Virginia and collaboration on national security missions.

Build and maintain CrowdStrike’s golden-image platform and automated pipelines across Linux, macOS, and Windows. Develop Python automation for image builds, validation, drift detection, and testing; manage infrastructure as code with Ansible, Packer, and Terraform; integrate Jenkins, GitLab CI, and Artifactory; and support image lifecycle operations. The role includes troubleshooting production issues, security hardening, compliance collaboration, documentation, cross-team partnership, and participation in on-call rotations.

Architects, deploys, configures, and maintains Linux servers across on-premises and cloud environments. Implements secure federal compliance baselines, manages patching and performance, supports applications and middleware, develops Bash/Python automation, and builds Infrastructure-as-Code solutions with Ansible or Terraform. Assists with Linux workload migrations and cloud administration in AWS GovCloud and Azure Government while producing system, security, architecture, and incident documentation.

Own and evolve enterprise CI/CD release pipelines, with emphasis on continuous delivery, progressive rollouts, automated health checks, rollback, and multi-service releases. Lead Terraform and multi-cloud IaC architecture across AWS, Azure, and GCP, including reusable modules, state management, governance, security, compliance, and cost controls. Drive organization-wide IaC adoption, monitor deployments and infrastructure, respond to incidents, and mentor engineering teams.

Lead the technical direction and architecture of the Foundations platform team, owning authentication, authorization, SSO, secrets management, tenancy, and core platform services. Design APIs, drive services through launch, make technical decisions, establish engineering standards, and mentor engineers without formal management authority. Partner with engineering and product leaders to align execution with priorities.

Designs and operates scalable platform infrastructure across cloud, on-premise, and hybrid environments. Builds infrastructure-as-code frameworks, CI/CD pipelines, developer tooling, automation, observability, and secure deployment patterns. Partners with engineering, security, and infrastructure teams to improve reliability, resilience, compliance, and developer productivity across mission-critical systems.

Design, build, and operate Cloudflare’s globally distributed cache and reverse-proxy data plane. Responsibilities include improving Pingora-based asynchronous systems, cache performance and correctness, purge and Tiered Cache services, APIs, observability, reliability, and production operations. The role owns features end to end, including design, implementation, testing, staged rollouts, incident response, and cross-team collaboration.

Leads a DevOps engineering team while designing and maintaining CI/CD pipelines, cloud infrastructure, monitoring, security controls, infrastructure as code, containerized microservices, and disaster recovery processes. The role focuses on improving developer efficiency, system reliability, scalability, performance, and cost-effectiveness. Responsibilities include incident troubleshooting, root-cause analysis, stakeholder communication, cross-functional collaboration, and participation in on-call support.

The Senior Site Reliability Engineer ensures SaaS platforms remain reliable, performant, secure, and scalable. Responsibilities include building cloud infrastructure, implementing monitoring and alerting, automating operational runbooks and deployments, managing Infrastructure as Code, applying AI-powered observability and remediation, supporting Kubernetes and cloud networking, and leading incident triage and root-cause analysis during 24/7 on-call rotations.

Build, monitor, and scale resilient cloud infrastructure across multi-region and multi-cloud environments. Develop Kubernetes controllers and infrastructure tools using Go, Python, Ruby, and Terraform; maintain Datadog observability; diagnose complex production performance and reliability issues; automate failover and capacity management; and collaborate with engineering teams on architecture and infrastructure improvements.

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 and develop scalable C++ software for endpoint state and control across Windows, macOS, and potentially Linux. Build reliable, multi-process systems that enforce endpoint behavior, manage local state, support IPC, and operate across millions of devices. Responsibilities include implementing features, improving platform performance, writing design documents, defining architecture and IPC contracts, and making technical decisions in an evolving, sparsely documented environment.

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.

Design, scale, and operate Runpod’s distributed storage platform across network volumes, local NVMe, and S3-compatible object storage. Tune storage and high-speed network performance, lead capacity expansions and migrations, write production automation and control-plane code, extend APIs, and build observability, dashboards, SLOs, and alerts. The role also participates in on-call operations, incident response, infrastructure-as-code practices, and long-term architecture decisions for petabyte-scale AI infrastructure.

Develop and test systems-level C++ software that defines and enforces endpoint behavior. Initially, the engineer will own testing infrastructure and coverage for two active projects, then contribute to feature development. The role requires strong C++ fundamentals, automated testing experience, and interest in operating-system concepts such as processes, file systems, services, and APIs. Work includes learning unfamiliar systems, collaborating effectively, and supporting reliable endpoint security and management capabilities.

Design and implement scalable backup software for endpoints, servers, and cloud applications. Develop Java and Kotlin services, optimize databases and queries, debug production systems, and resolve distributed-system performance issues. Contribute code, reviews, architecture discussions, documentation, and cross-team reliability initiatives. Mentor engineers and help deliver resilient products operating at large scale.