Top Senior Linux Jobs in Washington, DC

Provides architectural and technical leadership for institutional exchange systems, including matching engines, order management, market data, risk, and unified trading platforms. Leads ultra-low-latency distributed-system design, cross-team technical alignment, reliability standards, incident response, and multi-quarter initiatives. Maintains hands-on engineering contributions while mentoring senior engineers and developing technical leadership across teams.

Owns and optimizes resilient, ultra-low-latency network and physical data-center infrastructure for institutional trading across cloud and on-premises environments. Designs routing, multicast, segmentation, firewall, VPN, telemetry, and automation systems. Leads production changes, incident response, failover testing, maintenance, and on-call support for 24/7 trading platforms. Mentors engineers and partners with SRE, product, and trading-system teams to improve reliability and developer velocity.

Design, develop, test, and sustain secure cross-platform iOS and Android applications and supporting web/back-end systems. Build REST APIs, SQL-backed services, automation scripts, telemetry and operational tools; apply secure coding practices; troubleshoot integrations, networking, and Linux environments; document architecture and SOPs; and collaborate with security, backend, UC, and government stakeholders in a classified DoD/federal environment.

Design, build, and sustain secure mobile and web applications and backend services for a classified federal customer. Develop UIs, REST APIs, SQL-backed services, automation scripts, telemetry/monitoring tools, and diagnostics in Linux environments. Apply secure coding, troubleshoot integrations, document architecture and SOPs, and coordinate with security, network, and government stakeholders in an Agile delivery model.

Designs, operates, and improves AWS and Azure cloud infrastructure supporting customer-facing higher education products. Owns Kubernetes platforms, infrastructure as code, deployment automation, CI/CD, monitoring, security, reliability, disaster recovery, and cost optimization. Troubleshoots complex infrastructure and application issues, leads incidents, participates in on-call rotations, mentors engineers, contributes to technical standards, and partners across Development and Information Security on modernization and production readiness.

Define multi-generation hardware/software architectures for AI inference silicon, including boot, memory, DMA, scheduling, security, telemetry, and host/device interfaces. Integrate firmware, Linux, runtimes, simulation, and developer tooling; lead architecture reviews; resolve cross-team technical issues; prototype high-risk interfaces; and mentor senior engineers. The role requires deep systems expertise, strong C or C++ skills, and architecture-level ownership across pre-silicon, silicon bring-up, and production software.

Forward Deployed Engineer embedded with strategic customers to design and operate large-scale data infrastructure, troubleshoot distributed systems and networking issues, develop automation and APIs, and translate deployment challenges into product improvements. The role requires deep expertise in storage, Linux internals, high-performance networking, Python and C/C++, plus customer-facing communication and up to 25% travel.

Provides Linux systems administration and operational support across on-premise and AWS/Azure environments. Responsibilities include server provisioning, image creation, patching, monitoring, documentation, application integration, scripting, automation, troubleshooting, vulnerability mitigation, hardening, backup, and storage administration. The role supports approximately 3,500 physical and virtual servers, requires customer interaction and SLA adherence, and includes participation in a 24/7 on-call rotation.

Build and operate low-latency, event-sourced trading infrastructure for Coinbase’s institutional exchange, including matching engines, order management, risk, market data, and funding systems. Own reliability, correctness, incident response, and failover for high-throughput 24/7 production systems. Drive technical designs, collaborate cross-functionally on milestones, and write highly tested performance-critical backend code in Java, C++, or Go.

Lead and grow an infrastructure engineering team while designing, deploying, securing, and maintaining networks, containerized services, Linux systems, workstations, backup systems, and recovery procedures. The role owns foundational architecture, documentation, availability, connectivity support, and secure workflows in a security-sensitive environment. Responsibilities also include hiring, mentoring, incident support, stakeholder collaboration, and administration of custom or potentially air-gapped infrastructure.

Administers and supports enterprise middleware platforms, including WebSphere, WebLogic, Apache, Tomcat, IIS, and Portal. Performs security remediation, vulnerability management, patching, compliance validation, certificate and identity integration, server administration, performance monitoring, JVM tuning, troubleshooting, and incident response. Develops Shell, Python, and JACL automation for deployments, configuration, certificate management, reporting, and health checks while supporting CI/CD, change management, documentation, audits, and production operations.

Designs, configures, implements, and tests HL7 interfaces for GE HealthCare Perinatal Systems. Integrates hospital IT systems, collaborates with customers and vendors on interface specifications, supports multiple concurrent projects, and improves integration tools and processes. The role requires HL7 and interface-engine expertise, networking and server experience, programming capabilities, and familiarity with healthcare integration standards, cloud platforms, and project management.

Own the assessment, hardening, testing, modernization, and sustainment of a government SDN software baseline. Develop secure C++ and Python solutions, remediate vulnerabilities, improve testing, debug application and network issues, and support containerization, CI/CD, deployment, and security scanning. Collaborate with platform engineers and government stakeholders, document technical decisions, validate releases, and mentor engineers in Navy environments.

Designs, operates, secures, and improves enterprise OpenShift and Kubernetes platforms across hybrid-cloud environments. Responsibilities include cluster lifecycle management, automation, troubleshooting, observability, resiliency, security controls, disaster recovery, developer self-service, incident response, documentation, and technical leadership. The engineer independently leads complex platform initiatives, collaborates across infrastructure and security teams, mentors engineers, and participates in on-call support.

Develops and maintains secure, accessible, responsive WordPress websites and web applications for Military OneSource. Responsibilities include PHP and JavaScript development, CMS customization, REST API integrations, UX/UI implementation, Section 508 and WCAG compliance, accessibility testing, production troubleshooting, performance optimization, Agile delivery, Git workflows, and collaboration with cybersecurity and DevSecOps teams in a Federal environment.

Design and implement high-performance, 3GPP-compliant 5G Core control- and user-plane functions on ARM-based embedded Linux. Develop in C/Go/Rust, use DPDK for packet processing, optimize latency/throughput, debug protocol and performance issues, and collaborate cross-functionally to integrate carrier-grade systems.

Build, patch, customize, and test Linux userspace packages for Rocky Linux products. Remediate CVEs, improve package-building automation, develop automated system tests, and support deployments across servers, virtual machines, and cloud infrastructure. Collaborate on architecture, proofs of concept, documentation, capacity planning, and launch reviews while contributing to open-source development and CI/CD practices.

Deploys, supports, and improves Managed Services Gateways across cloud and virtualization platforms. Administers Linux, Kubernetes (Rancher), VMware/Hyper-V, networking and firewalls; automates workflows; triages escalations; documents runbooks; coordinates with clients and teams; participates in on-call and lifecycle/security initiatives.

Lead the architecture, development, and evolution of Keeper Commander, including Python and .NET SDKs, CLI tooling, APIs, and developer automation. Remain hands-on with coding, debugging, architecture, integrations, security, testing, and release engineering while mentoring a small team. Partner with Product, QA, and Security teams, support the open-source ecosystem, improve developer experience, and guide technical strategy for enterprise and DevOps integrations.

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.

Administers and supports enterprise infrastructure, Windows and Linux environments, Azure, Microsoft 365, virtualization, identity services, PKI, backups, and core banking systems. Automates processes, manages access and security remediation, supports disaster recovery, investigates root causes, maintains technical documentation, and provides Tier 3 and on-call support. Coordinates infrastructure projects, change management, vendor engagements, audits, and lifecycle planning.

Build, secure, and operate AWS and AWS GovCloud infrastructure across commercial and government environments. Own CI/CD pipelines, Kubernetes and GitOps deployments, infrastructure as code, environment segmentation, secrets management, monitoring, incident response, database migrations, and compliance automation. Support FedRAMP, GovRAMP, and IL5 authorization requirements, collaborate with Security/GRC on audits and continuous monitoring, and improve reliability, scalability, and engineering productivity.

Own and scale Bitsight’s SaaS cloud infrastructure, focusing on reliability, security, automation, and cost efficiency. Design complex systems, troubleshoot production issues, validate AI-assisted infrastructure automation, and improve delivery processes. Lead technical discussions, establish infrastructure best practices, mentor engineers, and collaborate across teams. The role requires strong Linux, scripting, containerization, cloud, infrastructure-as-code, networking, and observability expertise, with occasional off-shift production support.

Provide senior-level ownership for AWS cloud platform operations, automation, and reliability. Support infrastructure provisioning, EKS/Kubernetes operations, EC2/AMI lifecycle, observability, incident response, patching, cost optimization, CI/CD automation, documentation, runbooks, and mentoring. Participate in on-call rotation, incident handling, and cross-team collaboration to ensure secure, scalable cloud operations.

Lead and grow a small autonomy engineering team to design, integrate, validate, and field autonomy software for launched effects. Own delivery, hiring, mentoring, technical direction, ICDs, pre-deployment validation, live test support, hardware/software debugging, and cross-team collaboration for multi-agent and air-gapped fleet deployments.