Senior Network Engineer - Multi-Site, Zero Trust & SD-WAN

Convergenz; Irving (TX); On-site; USD 90,000 - 140,000; Full time

Job summary

Convergenz is seeking a senior network engineer based in Irving, TX to design, implement, and maintain LAN, WAN, and wireless infrastructure across corporate offices and operating company locations.

You will configure routers/switches/firewalls, manage DNS/DHCP/IPAM, support Zscaler platform, monitor performance, and drive incident resolution while collaborating with security providers and vendors.

Qualifications

• 3+ years of hands-on network engineering experience in multi-site enterprise environments.
• Strong understanding of TCP/IP, BGP, OSI, VLANs, NAT, VPNs, DNS, DHCP, LAN/WAN and wireless networking.
• Experience with next-generation firewalls; Fortinet preferred.
• Hands-on with enterprise switching and wireless networking platforms.
• Familiarity with SD-WAN, network monitoring tools, and SIEM integrations.
• Understanding of network security principles, Zero Trust, least-privilege access.
• Working knowledge of Microsoft 365, Entra ID, and Intune.

Responsibilities

• Design, implement, and maintain LAN, WAN, and wireless network infrastructure across offices and locations.
• Configure and manage routers, switches, firewalls, and wireless APs, including VLANs, routing, NAT, and firewall policies.
• Administer DNS, DHCP, IPAM, and site-to-site VPNs.
• Support and manage Zscaler Zero Trust platform (ZCC, ZIA, ZPA).
• Monitor performance, availability, and capacity; resolve issues through root-cause analysis.
• Collaborate with security providers on SIEM and incident response.
• Maintain firmware and patches; plan network integrations for new acquisitions.
• Develop network diagrams, runbooks, and documentation.
• Produce health dashboards and regular performance reports.
• Manage relationships with ISPs, carriers, and vendors.
• Support business continuity and data privacy requirements.

Skills

TCP/IP

LAN/WAN

BGP

VLANs

VPNs

DNS/DHCP/IPAM

Zero Trust

Documentation

Communication

Travel readiness

Fortinet

Education

Bachelor's degree in CS/IS/related

Tools

Fortinet

Zscaler

GreyMatter

CCNA

CCNP

Job description

Convergenz is seeking a senior network engineer based in Irving, TX to design, implement, and maintain LAN, WAN, and wireless infrastructure across corporate offices and operating company locations.

You will configure routers/switches/firewalls, manage DNS/DHCP/IPAM, support Zscaler platform, monitor performance, and drive incident resolution while collaborating with security providers and vendors.