Senior Enterprise Network Architect - LAN/WAN & SD-WAN

Ethereum Technologies; Florida; On-site; USD 120,000 - 160,000; Full time

Job summary

Ethereum Technologies is seeking an experienced network architect to design and deploy enterprise LAN/WAN, routing, switching, and security architectures across Florida sites. The role requires coordinating with cybersecurity and OT teams to ensure secure segmentation between IT and OT environments.

You will develop detailed topology diagrams, IP addressing strategies, and a robust migration plan for site connectivity and data center links, while ensuring high availability and resiliency.

Qualifications

• Essential skills include enterprise network architecture, LAN/WAN design, routing and switching, TCP/IP, DNS/DHCP, VLANs and segmentation, BGP/OSPF, firewall design, WAN/SD-WAN, network security, high availability, wireless networking, IP addressing, data center connectivity, and site migration planning.

Responsibilities

• Conduct detailed assessment of current network infrastructure.
• Review routers, switches, firewalls, WAN connectivity, wireless infrastructure, circuits, racks, patch panels, and cabling.
• Document current-state topology and identify gaps, risks, dependencies, and obsolete infra.
• Design target-state architecture to integrate the plant into the enterprise environment.
• Develop HLD/LLD, topology diagrams, connectivity requirements, IP strategy, segmentation, redundancy, and resiliency.
• Define redundant connectivity and high-availability requirements for critical services.
• Coordinate OT/IT integration with cybersecurity teams for secure segmentation.
• Plan and execute migration and cutover activities with minimal downtime.
• Coordinate with field-services during implementation.
• Document network equipment and configuration requirements.

Skills

Network architecture

LAN/WAN design

Routing & Switching

TCP/IP

DNS/DHCP

VLANs & segmentation

BGP/OSPF

Firewall design

WAN/SD-WAN

Network security

High availability

Wireless networking

IP addressing

Data center connectivity

Site migration planning

Job description

Ethereum Technologies is seeking an experienced network architect to design and deploy enterprise LAN/WAN, routing, switching, and security architectures across Florida sites. The role requires coordinating with cybersecurity and OT teams to ensure secure segmentation between IT and OT environments.

You will develop detailed topology diagrams, IP addressing strategies, and a robust migration plan for site connectivity and data center links, while ensuring high availability and resiliency.