Leidoshas a new and exciting opportunity for a Network Systems Engineer in our Intelligence Sector, Cyber & Analytics Business Area (CABA) Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!
Our program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact. Click here to learn more about how this program “Delivers Mission Success!”
TheNetwork Systems Engineer will support Cyber Security Defensive Operations through the engineering, integration, automation, and sustainment of a large-scale Cyber Range consisting of hundreds to thousands of virtual machines. This role focuses on designing, configuring, and maintaining networked cyber environments using Infrastructure as Code (IaC), Terraform, Ansible, VMware, and other automation technologies.
You will work closely with Red, Hunt, Blue and JCMA Team operators to understand mission requirements and engineer Cyber Range environments that support training, force-on-force exercises, and the emulation of customer infrastructures. Working alongside Network Engineers, Systems Engineers, Software Engineers, and System Administrators, you will develop and implement scalable, automated infrastructure solutions supporting complex cyber operations.
When not supporting Cyber Range activities, you will contribute to mission operations within the Cyber Security Directorate's Defensive Network Operations organization by engineering, integrating, and sustaining operational network infrastructure.
Qualified candidates are eligible for enhanced incentives including up to a $25K cash sign-on bonus or a paid time off bonus.
Basic Qualifications
Bachelor's degree in Network Engineering, Systems Engineering, Information Technology, or a related technical field plus 12 or more years of relevant experience
Experience engineering and supporting enterprise network infrastructure, including networking technologies, virtualization, and operational environments.
Experience with Infrastructure as Code (IaC), including Terraform and Ansible automation.
Experience with scripting languages such as Bash, PowerShell, Python, or Batch.
Experience with Arista, Cisco, and Juniper networking platforms, along with configuring and integrating cybersecurity tools and operational network infrastructure.
Knowledge of Windows and Linux operating systems, application behavior, and network traffic analysis in support of cyber operations.
Security Clearance Requirement Active TS/SCI with Polygraph
Preferred Qualifications
CONMD
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
July 22, 2026
For 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.
Pay Range $131,300.00 - $237,350.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
