Cyber Range Network Engineer

Leidos has a new and exciting opportunity for a Cyber Range Network Engineer in our National Security Sector's (NSS) 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! Job Summary: Join our team supporting a cutting-edge Cyber program and make an impact by guiding the definition, implementation, and delivery of capability focused on Cyber Training systems. As a key player on our team, you will leverage your skills to provide expertise in large scale cyber exercises and multi-spectrum cyber operations. Don't miss the opportunity to take your career to the next level and be part of an innovative and dynamic environment. Apply now! Job Responsibilities: Responsible for operational planning in support of training, exercises, operations, and coordination of integrated cyber operations. Provide network administration support for development, deployment, and problem identification and remediation of the enterprise network environment. Support large scale cyber exercises and multi-spectrum cyber operations, both defensive and offensive activities. Work with cyber operators and provide cyber range expertise to enable DCO and OCO operations for Cyber Command. Translate cyber mission force training and mission rehearsal goals into actionable event environments. Support the design and execution of cyber range training events. Provide expertise in architecture, virtual environments, networking, authentication, and system security. Coach and review the work of lower-level technical staff. Focus on continuous process improvement across the training event activities. Work with stakeholders (customer, users, developers, vendors) on requirement changes that impact the training environment. Basic Qualifications : Bachelor’s degree in information technology or similar, and eight (8) or more years of experience in a relevant field. Additional experience may be considered in lieu of degree. Experience with or knowledge of the 5 stages of joint event life cycle (JETC) as it applies to training events. Experience with Network Hardware Design and Configuration, Network Troubleshooting, and Network Performance Tuning. Experience with Linux and Windows, network administration, and networking protocols/functions (e.g., HTTP, HTTPS, SSL/TLS, SMTP, DNS). Experience with configuring, managing, and implementing network access control Lists. Experience with Cisco switching and WAN/LAN technologies Experience with MS Active Directory and VMWare NSX-T virtual networking. Experience with security monitoring platforms, such as Security Onion or Splunk. Worked with Red Hat Identity Management (IdM) and Single Sign-On (SSO) technologies using Lightweight Directory Access Protocol (LDAP). Experience with commercial cloud infrastructure deployment environments such as AWS and Azure. Self-starter who can work independently in a fast-paced environment while working effectively with engineers and customers. Ability to handle and prioritize multiple tasks and requirements from stakeholders. Security Clearance requirement : Active Top Secret with the ability to obtain and maintain a TS/SCI level clearance. Certification Requirement : IAT Level II/II Certifications such as Security +, CCNA Security, CISSP or equivalent. Preferred Qualifications: Familiar with configuring network devices utilizing Python and Ansible. Experience with enterprise network management tools such as SolarWinds, Cisco Smartnet, Splunk, or similar technologies. Experience with MS Exchange and Edge Transport servers. Knowledge of routing protocols, such as BGP & OSPF, and route maps. Experience with DNS servers to include queries, mail exchange and name records. Strong interpersonal, verbal, and written communication skills to interface with customers, leadership, and teammates. Four or more years of experience with cyber training and cyber operations. At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today! 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. Original Posting: April 13, 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: Pay Range $92,300.00 - $166,850.00 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.