Network Engineer III

Leidos

Network Engineer III supporting NASA's enterprise network infrastructure focusing on Wi-Fi technologies. Involves design, configuration, troubleshooting, and collaboration with engineering teams.

Posted 4/16/2026full-timeHuntsville • Alabama, District of Columbia, Florida, Texas, Virginia • 🇺🇸 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, configure, and troubleshoot NASA's enterprise network infrastructure with a focus on Wi-Fi technologies
Utilize tools such as Cisco Catalyst Center for network management, Cisco Identity Services Engine (ISE) for access control, and Splunk for network logging and analysis
Design robust, scalable, and secure wireless network solutions
Conduct thorough requirements gathering for complex wireless projects
Utilize Ekahau software to create predictive models and heatmaps for wireless network performance
Manage and configure Cisco Identity Services Engine (ISE)
Respond to network incidents, troubleshoot network issues
Manage network configuration, inventory, and performance using Cisco Catalyst Center aka DNAC
Develop custom Splunk dashboards and alerts for network-related incidents
Maintain up-to-date documentation of network configurations, processes, troubleshooting procedures, and incident resolutions
Work directly or indirectly with NASA customers, Technicians, Network Engineers and/or 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.

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 technologiesCisco wireless infrastructure802.11a802.11b802.11g802.11n802.11ac802.11axnetwork troubleshootingnetwork configuration

Soft Skills

troubleshooting skillsproblem-solving skillscommunication skillsinterpersonal skills

Certifications

CWNACWDPCWSPCWNECCNP EnterpriseCCIE Enterprise Wireless