IT Network Engineer
Listed on 2026-09-19
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IT/Tech
Network Engineer, Cybersecurity, Systems Engineer, Network Security
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space— delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you’ll be part of a special collection of problem solvers, thought leaders, and innovators.
Join us and take your place in space.
The Aerospace Corporation is seeking an IT Network Engineer (IT Network Engineer Staff IV/V) to architect and implement cutting-edge Enterprise LAN, WAN, and Data Center network infrastructure in an all-Cisco environment. Our enterprise networks span 24 sites nationwide, with primary hubs in El Segundo, CA;
Chantilly, VA; and Colorado Springs, CO. In this role, you'll join a team of highly skilled network engineers, firewall engineers, and network services engineers supporting both Corporate classified and unclassified networks. This is an opportunity to make a significant impact on mission-critical infrastructure supporting national security initiatives. The selected candidate will be required to work full-time, onsite at our location in El Segundo, CA.
You’ll Be Doing
Architect next-generation networks:
Design and implement high-availability enterprise WAN solutions utilizing SDWAN technology (Cisco SDWAN/IWAN, ASR/ISR Routers, Cisco Firewalls) with dual WAN links (MPLS & Internet) Build scalable data center infrastructure:
Design and deploy high-availability, scalable data center networks leveraging Cisco SDN technologies (ACI, Nexus Dashboard) Ensure robust security:
Develop secure network segments (enclaves, DMZs) using Cisco Firepower Firewalls, Cisco ASA Firewalls, and other advanced Cisco network security products Innovate in our Dev Ops lab:
Perform setup, configuration, and testing of network designs in our state-of-the-art Dev Ops lab located in El Segundo Lead strategic initiatives:
Coordinate with network staff on implementation tasks and schedules, ensuring project milestones and deadlines are met Partner with stakeholders:
Interface directly with the user community to understand connectivity requirements and collaborate on design solutions, implementation costs, and annual operations budgets Drive fiscal planning:
Assist in developing Network Services Department fiscal year budget requests for capital expenditures, overhead, and maintenance Stay ahead of the curve:
Track industry trends and maintain expertise in emerging technologies.
Minimum Requirements for IT Network Engineer Staff IV:
- Bachelor's degree in Computer Science, Information Systems, or related field AND 10+ years of professional experience with all aspects of enterprise CONUS network operations
- Active TS/SCI clearance (issued by the US government; US citizenship required)
- Demonstrated expertise in Cisco SDWAN/IWAN technology and network automation
- Expert-level experience with Cisco ACI and Nexus Data Center switches
- Extensive hands-on experience with firewall theory, design, and configuration
- Deep knowledge of Cisco ASA and Firepower firewalls
- Experience with Cisco Catalyst Center/DNA Center
- CompTIA Security+ CE or CISSP certification (DoD 8570 requirements)
- 15+ years of professional experience with all aspects of enterprise CONUS network operations
- Experience troubleshooting and configuring KG-175F and other encryption devices
- Proven experience working with and troubleshooting EIGRP and BGP routed network deployments
We'd be…
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