Senior Network, Firewall & Voice Infrastructure SME Location -Cary, NC(Onsite) (Cary, NC, 27513) | 09/03/26

Job Description Title :

Senior Network, Firewall & Voice Infrastructure SME (ITAR)

Location :

Cary, NC(Onsite) Position Summary Seeking an experienced Network, Firewall & Voice SME to support Benchmark's global enterprise network infrastructure, security platforms, SD-WAN environment, wireless infrastructure, and voice services. The role will be responsible for managing LAN/WAN connectivity, routing and switching, firewall administration, wireless platforms, SD-WAN solutions, network security, monitoring, and operational support for mission-critical systems supporting ITAR/CUI-regulated environments. Key Responsibilities

Administer, monitor, maintain, troubleshoot, and support global LAN, WAN, SD-WAN, wireless, firewall, and voice infrastructure.

Manage Arista switching infrastructure, VLANs, routing, network segmentation, DMZ environments, and data center networking.

Support Palo Alto firewalls, Panorama management, firewall policy administration, rule reviews, NAT, VPN connectivity, security controls, and firewall lifecycle management.

Support VeloCloud SD-WAN environments, WAN optimization, branch connectivity, and site onboarding activities.

Administer and support enterprise voice infrastructure, telephony systems, voice routing, call services, and operational support activities.

Manage Extreme Wireless infrastructure, wireless controllers, SSIDs, RADIUS authentication, 802.1X security controls, and wireless access services.

Perform network provisioning, configuration management, software upgrades, patching, hardware refreshes, and infrastructure modernization initiatives.

Monitor infrastructure health, performance, availability, and capacity using SolarWinds and enterprise monitoring tools.

Perform root cause analysis, troubleshooting, incident resolution, vendor coordination, problem management, and operational escalations.

Support network security requirements, compliance initiatives, ITAR/CUI controls, and enterprise governance standards.

Participate in on-call support rotation and provide Level 3 support for critical production incidents and outages.

Develop and maintain network diagrams, operational procedures, runbooks, standards, SOPs, and technical documentation.

Mandatory Skills

ITAR / Export Control Eligible (U.S. Person Required)

Network Administration

LAN / WAN

Technologies

Data Center Networking

Arista Switch Administration

Palo Alto Firewall Administration

Panorama Management

Firewall Policy Management

VPN & NAT

Technologies

VeloCloud SD-WAN

Voice Infrastructure / Telephony Support

Extreme Wireless Networks

Wireless Controllers

802.1X Authentication

RADIUS Administration

VLAN, Routing & Switching

Network Monitoring (SolarWinds)

Network Security

Incident & Problem Management

Production Support / On-Call Support

Preferred Experience

8+ years of Enterprise Network Administration experience.

Experience supporting Palo Alto Firewall environments.

Experience with SD-WAN technologies.

Experience supporting enterprise voice environments.

Experience managing global network infrastructure.

Experience supporting regulated environments (ITAR/CUI).

Strong troubleshooting, stakeholder management, and documentation skills.

Additional Details

Recruiter Screening Criteria (Must Have)

Palo Alto Firewall Experience

Panorama Administration Experience

Arista Switching Experience

LAN/WAN Experience

SD-WAN / VeloCloud Experience

Voice Infrastructure Experience

Wireless Infrastructure Experience

SolarWinds Monitoring Experience

Network Security Experience

Data Center Networking Experience

On-Call / Production Support Experience

Senior Network, Firewall & Voice Infrastructure SME Location -Cary, NC(Onsite)1Firewall, Network United States