Jobs at Leidos

Support the availability, performance, resilience, and reliability of secure production platforms. Provide Level 2 and Level 3 incident response, root cause analysis, monitoring, logging, observability, automation, infrastructure as code, configuration management, and CI/CD improvements. Collaborate with engineering and operations teams to maintain high-availability systems and implement sustainable corrective actions in a mission-critical national security environment.

Build, support, and evolve secure cloud and hybrid platforms for business-critical applications. Automate infrastructure and application delivery using Infrastructure as Code, CI/CD, scripting, and deployment tooling. Improve reliability, performance, observability, security, and operational efficiency through monitoring, vulnerability remediation, lifecycle management, and resilience practices. Collaborate with developers, architects, cybersecurity teams, infrastructure staff, and business stakeholders to enhance platform capabilities and deployment processes.

Provide Level 2/3 systems administration for a virtual data centre supporting geospatial programs: maintain Linux (RHEL) and Windows Server environments, manage virtual servers (vSphere, AppV), script with PowerShell/Python, create MECM advertisements/collections/packages, troubleshoot complex issues, and collaborate with network, technical teams and stakeholders.

Seeking System Administrators with TSPV clearance to manage operational systems, support databases, provide technical support, and recommend technology solutions.

Manage and optimise secure cloud platforms (Azure/AWS), resolve incidents, automate operations with scripting and IaC, strengthen security via patching and compliance, and partner with engineering, cyber security and customers to deliver resilient cloud services.

Operate and sustain on-premises Kubernetes infrastructure for mission-critical platforms. Provide L2/L3 incident response and root cause analysis, develop monitoring and SLO-driven observability, automate operations with IaC and scripting, and support CI/CD and virtualised/cloud environments to improve resilience and reliability.

Provide Level 2/3 application and systems support for defence ISR applications in a Linux/Unix environment. Own incidents end-to-end, perform root cause analysis, deploy updates under change control, and improve observability and reliability. Collaborate with developers, ITSM teams, and users; create operational documentation and automate support tasks to increase efficiency.

Administer, secure, and optimize enterprise Active Directory and hybrid identity services. Responsibilities include managing domains, forests, trusts, replication, Group Policy, DNS, DHCP, authentication, certificate services, and Entra ID integration. The role monitors platform health, resilience, backups, and security; develops PowerShell automation; supports incident investigations; remediates identity risks; and collaborates with cybersecurity, cloud, infrastructure, application, and service management teams.

Lead administration, optimization, automation, security, and lifecycle management for enterprise Unix/Linux platforms. Support patching, upgrades, vulnerability remediation, performance tuning, storage, monitoring, high availability, backup, recovery, and disaster recovery across on-premises, cloud, and hybrid environments. Collaborate with application, database, network, security, and architecture teams on troubleshooting, migrations, modernization, and cloud adoption. Mentor engineers and contribute to infrastructure standards, resilience, roadmaps, and operational best practices.

Lead administration and continuous improvement of enterprise Windows Server infrastructure across on-premises and hybrid cloud environments. Drive modernisation, automation, security hardening, patching, vulnerability remediation, identity controls, high availability, disaster recovery, and performance monitoring. Resolve complex infrastructure and networking incidents, conduct root-cause analysis, collaborate across technical teams, and mentor engineers while supporting secure, reliable, scalable technology services.

Lead the design, administration, and modernization of enterprise Oracle database environments across on-premises, cloud, and hybrid platforms. Manage high availability, disaster recovery, performance tuning, capacity planning, security, upgrades, migrations, automation, and lifecycle management. Collaborate with architecture, infrastructure, application, and cybersecurity teams while providing technical leadership, mentoring, and guidance across the database capability.

Designs, builds, and optimizes ETL/ELT pipelines connecting enterprise applications, databases, cloud platforms, warehouses, and analytics environments. Develops reusable integration frameworks, transformation and validation logic, monitoring, and data-quality processes. Supports migrations, implementations, upgrades, automation, testing, and CI/CD. Collaborates with architects, engineers, analysts, and business stakeholders to deliver secure, scalable, reliable data solutions.

Lead design, implementation, administration, optimisation and automation of Microsoft SQL database services across private and public clouds. Ensure performance, availability, security, CI/CD integration, and collaborate with engineering and infrastructure teams to maintain governed, reliable platforms.

As a Help Desk Engineer, you will support ICT systems and users for critical national programs, handling incident resolution and systems administration, while collaborating with various teams.

The Technical Specialists will design, implement, and maintain intelligence mission systems, focusing on automation, data integration, and infrastructure management while collaborating with multidisciplinary teams.

The role involves managing Linux servers, providing Level 2/3 support, managing virtualized environments, and implementing security controls. Candidates should have experience with configuration tools and incident management.