
Leidos
Leidos builds and operates technology and engineering solutions for defense, intelligence, civil, and health agencies, including systems integration, cyber, enterprise IT, sensors, and healthcare IT. It primarily sells through government contracts and long-term programs, plus managed services and mission software. Founded in 1969 and headquartered in Reston, Virginia, Leidos is a Fortune 500 public company on the NYSE; customers include U.S. defense and intelligence agencies and civil bodies such as the FAA.
Open Positions at Leidos
187 open positions
Serve as the hands-on ServiceNow engineering expert for Strategic Portfolio Management solutions supporting USCENTCOM J6. You will configure, develop, integrate, troubleshoot, and improve a secure ServiceNow platform for critical Department of Defense IT operations.
Leidos seeks a TS/SCI-cleared DevOps Platform Engineer/Linux Systems Administrator to operate and improve a Kubernetes-based application platform supporting DIA-NDOC’s mission-critical data discovery modernization program. The role combines Linux systems administration, platform automation, observability, security hardening, and production support in a predominantly on-site Bethesda environment.
Leidos is seeking a TS/SCI-cleared Platform Services Technical Lead to guide the design, deployment, and sustainment of shared application-runtime capabilities supporting DIA-NDOC’s DOMEX Technology Platform. The role combines hands-on Kubernetes and platform operations with technical leadership, backlog ownership, and delivery coordination.
Software Developer supporting safety-critical flight service and air traffic systems for the FAA, building modern containerized and cloud-based applications. The role combines Java and React development with testing, troubleshooting, and collaboration in a regulated environment.
Build and modernize full-stack .NET applications, APIs, data integrations, and AI-enabled features supporting federal health systems at NIH. This hybrid Bethesda role combines Azure development, identity and security integration, accessible user interfaces, and modernization of legacy services.
Leidos is seeking a TS/SCI-cleared Software Engineer to build and support Python-based middle-tier and backend services for a long-term DIA-NDOC DOMEX Technology Platform contract. The role leads an application team, develops Elasticsearch integrations, and supports reliable software deployment and operations in a primarily on-site environment.
Build and customize responsive front-end applications for a mission-critical Navy intelligence production and dissemination system. This on-site role combines UI development, workflow troubleshooting, system integration, and technical guidance for government stakeholders.
Leidos is seeking a TS/SCI-cleared DevOps Software Engineer to deploy and maintain containerized, Kubernetes-based big data and microservices platforms supporting the DOMEX Data Discovery Platform modernization program. The role focuses on resilient infrastructure, CI/CD automation, hybrid cloud/PaaS solutions, and secure multi-tenant GPU environments.
Develop mission-critical software tools and prototypes that advance cryptanalytic engineering and analysis for national security customers. This principal-level role spans research, architecture, development, testing, deployment, and user support.
Design secure, resilient Virtual Data Centre architectures supporting critical government and enterprise environments. Provide technical leadership across architecture, cloud, security, and infrastructure teams from concept through delivery.
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