April 7, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Falls Church, VA6 days ago
Our Site Engineers receive exceptional mentorship, hands-on learning experiences, professional development courses, and personal growth opportunities tailored to you to fast-track your journey to promotion and career success as a member of our Site Operations team. Site Engineers have the flexibility to work on-site full-time or pursue an associate’s degree while working part-time, making this the ideal position for any high school graduate or early-career professional looking for a team and schedule that works with you.
li>Maintain reliable, secure, and high-performing SAN network operations across enterprise data center services and storage-dependent platforms. - Provide senior-level administration and engineering support for SAN fabric infrastructure and core network connectivity supporting the SEC ISS environment.
li>Mentor junior and senior team members, install, tune, upgrade, troubleshoot, and maintain all relevant computer systems including OS administration, user management, and networking. Implement risk and opportunity management plans, assess risks, develop mitigation and disaster recovery plans, and oversee engineering project planning and execution.
Design, implement, and maintain seamless integrations between Jira with other enterprise systems, such as GitLab (source control & CI/CD), and ServiceNow (ITSM), using Okta,REST APIs, webhooks, middleware, and scripting. The DevOps Engineer (specifically Jira Platform Engineer) will serve as the technical owner of our Jira SaaS in government cloud, and is responsible for administering, configuring, and integrating the application within our enterprise technology ecosystem.
p>System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. • Support Marketing Technology Services Delivery teams across products including marketing website (NFO), intranet (eNet), and design system (Cmd+R).
p>The ideal candidate will bring deep hands-on experience designing, securing, optimizing, and troubleshooting complex network environments while also serving as a technical leader and trusted advisor to government stakeholders. The Senior Network Engineer / Security SME will provide expert-level network engineering, security architecture, and operational support across enterprise and tactical networks.
Support Linux-based systems supporting telecommunications infrastructure by ensuring high availability, performance, and reliability, supporting environments on CentOS 7 transitioning to Rocky Linux. • Monitor and analyze telecommunications systems, interpret inbound data streams, and utilize packet capture tools like Wireshark and tcpdump to troubleshoot core network issues.
This is not a Tier 1 help desk role — you will design, implement, and maintain technical controls across Windows and macOS environments, covering imaging, patch management, device lifecycle, identity engineering, and telemetry to support threat detection and incident response. Support device enrollment, provisioning, and lifecycle management using Intune, Autopilot, Apple Business Manager, and JAMF; maintain accurate asset inventory.
li>Demonstrated experience ensuring the reliability, scalability, and efficiency of data center operations, including servers, storage, networking, power, and environmental resource requirements. Use enterprise data center technologies to manage and operate servers, storage, networking, and power systems supporting mission-critical environments within the federal government.
p>The ideal candidate will have strong hands-on experience with AWS infrastructure, Terraform/IaC, CI/CD pipelines, scripting, secure cloud operations, monitoring/logging, and compliance-aligned engineering practices. Working knowledge of cybersecurity best practices, secure cloud configurations, zero-trust concepts, and compliance frameworks such as NIST, CIS, or ISO 27000.
The ideal candidate will have experience working with a variety of AI technologies and models and will have exceptional working knowledge on the architecture and design requirements to implement AI solutions that support cybersecurity operations (e.g., intrusion detection, intrusion prevention, incident response, vulnerability analysis, security tests and evaluations, etc.). • Design, implement, deploy, maintain, and evolve AI-enhanced cybersecurity solutions that support a broad range of functions including intrusion detection, intrusion prevention, incident response, insider risk, vulnerability analysis, threat hunting, cyber threat intelligence, and security test and evaluation activities.
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Responsibilities- Ensure compatibility between equipment and software, analyze operational and system requirements, support design reviews, and present technical briefings.
Partner with developers, architects, QA teams, and transition teams to validate handoffs, support release coordination, and ensure smooth production deployments. • Experience with CI/CD, GitHub Actions, AWS CodeBuild, ArgoCD, Helm charts, Dockerfiles, secrets management, environment configuration, and deployment workflows.
The Data Architecture, Technology, and Analytics (DATA) section is looking for an experienced detailed oriented Data Architect/Engineer who will be responsible for expanding and optimizing our data and data pipeline architecture, as well as optimizing data flow and collection for economic policy and research teams. The ideal candidate is an experienced hands-on data modeler with working knowledge of database design and administration, data pipeline building, and data wrangling who enjoys improving existing data systems and/or building them from the ground up.