Jobs at Leidos

Develop, migrate, and maintain .NET applications using Agile methods; implement Okta authentication from ADFS; perform API and application testing; create migration, implementation, and test documentation; use DevOps toolchain to build, deploy, and support secure applications while coordinating with customers and project teams.

Provide 3rd-line support and advanced troubleshooting for high-security network environments (primarily High Side), resolve escalations, perform root cause analysis, maintain and upgrade network systems, document changes in SD+, support projects and change requests, and meet SLA/KPI targets.

Seeking a Linux Systems Administrator to install, configure, and integrate prototype applications in a lab environment, supporting customer experiments.

Lead Joint Cyberspace Operational planning within USCYBERCOM, providing expert guidance, drafting operational plans, and overseeing integration of cyber capabilities.

The SME Cybersecurity Systems Engineer will design, implement, and maintain cybersecurity plans and architectures while ensuring compliance with security policies across the Department of War data and analytics program.

The Implementations Network Engineer II will oversee installation, configuration, and testing of network equipment, manage service orders, and resolve issues for DISA-supported networks.

Support DISA capabilities by overseeing network installation, configuration, testing, and activation for DoD projects. Collaborate with teams to resolve issues and manage service orders.

Leidos is seeking skilled Windows Administrators for supporting advanced national security tech solutions. Responsibilities include incident response, VMware management, application deployment, and security protocol adherence.

Operate and monitor DISN networks in a 24x7 NOC: configure and analyze customer circuits across optical and IP transport, perform real-time rerouting to restore connectivity, manage incidents and changes, monitor alarms, collaborate with internal/external customers and agencies, and troubleshoot network elements using vendor-specific tools and protocols.

Engineer and sustain a large, resilient enterprise IP voice/video network: configure/troubleshoot CUCM/CUBE/Oracle/Avaya platforms, routing/switching, SIP call-flows, firewalls, QoS, capacity planning, change/fault management, and develop technical policy and documentation. Requires active Secret clearance and relevant degree plus extensive experience.

Maintain and execute IT disaster recovery and business continuity plans across enterprise systems. Coordinate and run DR tests and simulations, manage ENS operations, document exercise outcomes, track corrective actions, and update policies, standards, and training. Support contingency responses and readiness reporting to ensure operational resilience.

Operate and monitor 24x7 DISA network services in a NOC: configure and analyze circuits across transport and IP equipment, perform reroutes and hardware/software changes, manage incidents and escalations, and collaborate with customers and engineering tiers to restore and maintain connectivity.

Serve as subject matter expert for U.S. and Canadian payroll tax compliance. Independently research and resolve complex payroll tax issues, manage agency inquiries, oversee tax adjustments and filings (W-2, 941, T4, etc.), conduct audits/reconciliations, coordinate with vendors and stakeholders, support audits, and drive process and control improvements to reduce risk.

Operate and monitor 24x7 network operations for DISA GIG/DISN: configure and analyze circuits across optical and IP gear, perform real-time circuit reroutes, manage alarms and incidents, execute change tasks (hardware/software), coordinate with customers and engineering tiers, and resolve network incidents leveraging transport and router/switch expertise.

Track and analyze logistics and IT/hardware/software assets in a warehouse environment. Gather and merge data from disparate systems, produce reports and metrics, support inventory management, scheduling, and supply forecasting. Coordinate with business and technology teams, execute user acceptance/testing, and master tools used to run warehouse and asset-tracking processes.

Operate and maintain DoD network services in a 24x7 NOC: configure and analyze circuits across optical and IP transport, perform real-time alternate routing, monitor alarms, execute change and incident management, coordinate with government and vendor teams, and diagnose/resolution of faults across routers, switches, crypto, MPLS, MSPP, SDH/SONET and related transport technologies.

Lead enterprise knowledge management for the GBR Digitization Program: design KM strategy, govern metadata and document practices, administer SharePoint/M365, manage content/configuration, train users, collaborate with stakeholders, and measure continuous improvement across dispersed defense teams.

Process and review customer program applications and rebates, maintain CRM records, respond to customers via email/phone/chat, support reporting and dashboards, track open cases, escalate exceptions, and follow SOPs to ensure accurate, timely program support.

Lead day-to-day customer program operations: oversee application and rebate processing, QA, CRM maintenance, reporting, escalations, staff guidance/training, client coordination, process improvements, and customer communications to ensure compliance with SMUD program rules.

Lead RMF initiatives and manage eMASS/Xacta authorization packages for CDES/MSL-ITF. Produce and maintain RMF documentation (SSPs, POA&Ms, SARs, BOE), support continuous monitoring, vulnerability remediation tracking, audits, and compliance with NIST SP 800-53. Collaborate with ISSOs/ISSMs, DevSecOps, and engineering teams and participate in SAFe ceremonies to ensure cybersecurity requirements are integrated across the system lifecycle.