Senior Network Systems Architect

Location- Irvine CA/Portland OR
Duration-  6-12 months

Key Responsibilities

·         Architect, design, and optimize Layer 2/Layer 3 networking solutions including configuration, testing, operation, monitoring, and troubleshooting.

·         Lead the implementation of advanced network architectures involving LAN, WAN, VLAN, VXLAN, IPv4/IPv6, TCP/UDP, firewalls, routing, NAT, DHCP, DNS, TLS, multicast, QoS, filtering, load balancing, and rate control.

·         Utilize extensive Linux networking and routing experience, including iptables and other core Linux network management tools.

·         Work with unmanaged and managed Ethernet switches, focusing on features like port configuration, buffer management, ATU tables, and TCAM.

·         Configure and manage wireless access points, including security and captive portal configurations.

·         Integrate with cellular and satellite networking systems, least-cost routing models, and hybrid connectivity solutions.

·         Apply in-depth knowledge of TCP/IP, LAN/WAN, VPN, and routing protocols such as OSPF and BGP.

·         Design and support IP networking environments involving VPCs, VPNs, SDN, DNS, firewalls, and load balancers.

·         Work with networking-focused OS distributions such as Cumulus Linux, VyOS, OpenWRT, DD-WRT, etc.

·         Configure and maintain commercial networking equipment including Cisco and Juniper routers, Palo Alto, Juniper, Cisco firewalls, and F5 or similar load balancers.

·         Develop networking architectures optimized for various use cases such as AV distribution/streaming, file sharing, messaging systems, ISP environments, and transactional systems.

·         Ensure network security and apply foundational knowledge of cryptography and secure design principles.

·         Contribute to the design and development of complex embedded systems, from requirement gathering through deployment.

·         Demonstrate strong analytical skills and resolve complex issues across system and network layers.

·         Lead and participate in design reviews and test plan reviews, providing technical direction and approvals.

·         Work with container platforms (Kubernetes, OpenShift, Docker/Swarm) to build distributed or web-scale solutions.

·         Document architectures and create professional diagrams using industry-standard modeling tools.

·         Collaborate effectively across teams with exceptional verbal and written communication skills.

·         Work within an Agile development environment to deliver iterative and high-quality solutions.

·         Experience with AWS Cloud Computing is a strong plus.