Network Engineer III

Leidos

Network Engineer III supporting AEGIS program focusing on NASA's enterprise network and Wi-Fi technologies. Collaborate with Engineering team to ensure security and performance.

Posted 6/6/2026full-timeAlabama, Florida, Maryland, Texas • 🇺🇸 United StatesSeniorLead💰 $116,350 - $210,325 per yearWebsite

Tech Stack

Tools & technologies

Cyber SecuritySplunkSwitching

About the role

Key responsibilities & impact

Support the Advanced Enterprise Global Information Technology Solutions (AEGIS) program
Design, configuration, and troubleshooting of the NASA enterprise network infrastructure with a focus on Wi-Fi technologies
Leverage understanding of RF principles and wireless protocols
Utilize tools like Cisco Catalyst Center, Cisco Identity Services Engine (ISE), and Splunk
Design robust, scalable, and secure wireless network solutions
Conduct requirements gathering and collaborate with stakeholders
Create predictive models and heatmaps using Ekahau software
Manage and configure Cisco Identity Services Engine (ISE)
Troubleshoot network issues and provide timely resolution
Maintain network configuration, inventory, performance using Cisco Catalyst Center aka DNAC
Develop custom Splunk dashboards and alerts
Maintain up-to-date documentation of network configurations
Collaborate with NASA customers, Technicians, Network Engineers, and Network Architects

Requirements

What you’ll need

Bachelor's degree in Electrical Engineering, Computer Science, Management Information Systems, Cyber Security, or a related field
10 – 15 years combined experience between WLAN and LAN wired for large Enterprise networks
Professional-level knowledge of Wi-Fi technologies, including 802.11a/b/g/n/ac/ax standards
Extensive experience with Cisco wireless infrastructure, including access points, wireless LAN controllers, and management tools (Prime Infrastructure, Catalyst Center)
Proficiency in performing site surveys and creating/updating Wireless RF designs using Ekahau, iBWave, Airmagnet, or similar software.
Solid understanding of underlying LAN technologies, including PoE standards, topologies (3-tier, SD-Access)
Solid understanding of Cisco routing & switching, multicast, and QoS
Experience deploying QoS in wireless environments
Experience with NAC using dot1x for wired and wireless environments
Excellent troubleshooting and problem-solving skills
Strong communication and interpersonal skills
Relevant certifications, such as CWNA, CWDP, CWSP, CWNE, CCNP Enterprise (Wireless Design and/or Wireless Implementation specialist), or CCIE Enterprise Wireless
Has the ability to obtain and keep a minimum of a Public Trust clearance

Benefits

Comp & perks

Health and Wellness programs
Income Protection
Paid Leave
Retirement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Wi-Fi technologies802.11a802.11b802.11g802.11n802.11ac802.11axCisco wireless infrastructureLAN technologiesNAC

Soft Skills

troubleshootingproblem-solvingcommunicationinterpersonalcollaboration

Certifications

CWNACWDPCWSPCWNECCNP EnterpriseCCIE Enterprise Wireless