Senior Network Architect: Secure, Scalable Cloud & WAN

Millennium Space Systems, Inc.; El Segundo (CA); On-site; USD 159,000 - 215,000; Full time

Job summary

Millennium Space Systems, a Boeing Company, is seeking a Senior Network Engineer to design, implement, and maintain our network infrastructure onsite in El Segundo, CA. The role emphasizes strong leadership, cross‑functional collaboration, and hands‑on networking expertise in a high‑assurance environment.

Responsibilities include designing scalable LAN/WAN architectures, managing security with firewalls and VPNs, deploying network hardware, and ensuring disaster recovery readiness.

Qualifications

• Bachelor's Degree and 6+ years' of experience or an equivalent combination of education.
• Ability to obtain U.S. Security clearance; U.S. citizenship required.
• Experience with multi-vendor switching and routing (Juniper, Cisco, Dell).
• Experience with QoS, routing and switching protocols.
• Experience with Palo Alto next generation firewall systems.
• Experience deploying and maintaining VPN technologies (IPsec, SSL VPN, Azure ExpressRoute).
• Experience with Palo Alto Networks Panorama.
• IAT Level 2 certification per DoD 8570 (8140).
• CCNA or higher.
• Experience with cloud networking environments (AWS, Azure).

Responsibilities

• Design, plan, and implement robust, scalable, and secure network architectures, including LAN, WAN, wireless, and cloud networking solutions
• Manage network security, including firewall configuration, intrusion detection/prevention systems, and access control
• Lead the deployment of network hardware and software, including routers, switches, firewalls, VPNs, and load balancers
• Ensure network resilience and implement disaster recovery and business continuity plans
• Develop and maintain comprehensive network documentation, including diagrams, configurations, and policies

Skills

Routing & Switching

Juniper

Cisco

Dell

Palo Alto firewalls

VPN technologies

Cloud networking

Panorama

IAT Level 2

CCNA

Cloud Networking (AWS/Azure)

Education

Bachelor's Degree or equivalent

Job description

Millennium Space Systems, a Boeing Company, is seeking a Senior Network Engineer to design, implement, and maintain our network infrastructure onsite in El Segundo, CA. The role emphasizes strong leadership, cross‑functional collaboration, and hands‑on networking expertise in a high‑assurance environment.

Responsibilities include designing scalable LAN/WAN architectures, managing security with firewalls and VPNs, deploying network hardware, and ensuring disaster recovery readiness.