Configure and troubleshoot routing protocols, VRFs, routing tables, and network segmentation.
Perform network device upgrades, patching, configuration changes, and hardware refresh activities.
Troubleshoot network connectivity, performance, and security issues.
Work with engineering teams to assess legacy network environments and support modernization efforts.
Support DoD security requirements, including STIG implementation and network hardening.
Coordinate with stakeholders during network migrations, testing, and acceptance activities.
Develop and maintain network diagrams, configuration documentation, test records, and operational procedures.
Support migration readiness checklists, issue resolution, and technical handoffs.
Collaborate with senior engineers and cybersecurity teams to resolve complex technical issues.
Work independently on assigned engineering tasks while escalating advanced issues when needed.
What We're Looking For
Active DoD Secret security clearance and U.S. citizenship.
Bachelor's degree in a related technical field with 4–8 years of relevant experience, or approximately 8–12 years of relevant experience without a degree.
DoD 8570/8140 IAT Level II certification (such as Security+) and an approved Computing Environment (CE) certification.
Strong hands-on experience with enterprise routing, switching, and network troubleshooting.
Knowledge of LAN/WAN, BGP, TCP/UDP, IPSec, VPNs, Layer 2/Layer 3 routing, MPLS, and firewalls.
Experience with network device patching, upgrades, configuration management, and lifecycle maintenance.
Experience with at least one network management platform, such as
Palo Alto Panorama
Cisco Prime
Cisco DNA
Junos Space
Hands-on experience with at least two of the following
Cisco
Juniper
Palo Alto
Dell Networking
Remote Access VPN (RAVPN)
GlobalProtect
AppGate
Experience implementing DoD STIGs and network security hardening.
Familiarity with SFTP, SSH, SCP, SNMP, and NTP.
Strong troubleshooting, communication, and customer-facing skills.
Ability to work independently and collaborate with geographically dispersed teams.
Flexibility to work nonstandard shifts to support migration activities.
Willingness to travel up to 10%.
Preferred Qualifications
Experience supporting U.S. Army, DISA, or other DoD enterprise networks.
CCNA, CCNP, or equivalent networking certification.
Experience with network migrations, modernization, or infrastructure transformation.
Hands-on experience with Cisco SD-WAN.
Experience with Palo Alto Next-Generation Firewalls (NGFW).
Familiarity with virtualized network infrastructure.
Knowledge of Git, GitLab CI/CD, Ansible, Terraform, or Puppet.
Basic Python scripting experience for network automation.
Experience supporting large, geographically dispersed networks.
Familiarity with DoD cybersecurity standards and compliance requirements.
Experience creating network diagrams, configuration records, and technical documentation.
Why Join Leidos?
At Leidos, you'll work on a mission that directly supports the U.S. Army's ability to communicate and operate around the world.
You'll gain exposure to complex enterprise networking technologies, collaborate with experienced engineers, and play an important role in modernizing critical military infrastructure.
If you're a cleared Network Engineer with strong routing and switching experience who wants to contribute to a large-scale network modernization effort, we'd like to hear from you!
Join Leidos and help build the future of the Army's global network. Apply today!
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
November 14, 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 $73,450.00 - $132,775.00
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.
