Senior Network Engineer – Enterprise Networking & Cloud

Senior Network Engineer – Enterprise Networking & Cloud

Location: Chicago, IL – Hybrid

Schedule: On-site Tuesday, Wednesday & Thursday, 8:00 AM–5:00 PM

Industry: Engineering / Professional Services

Duration: 6-month contract-to-hire

Start: ASAP

RED Global is seeking an experienced Senior Network Engineer to support a large enterprise environment spanning data centers, colocation facilities, Azure cloud, WAN, campus/LAN, wireless, and network security infrastructure.

This is a hands-on engineering role focused on implementation, operations, Tier 3 troubleshooting, and continuous improvement of enterprise network and connectivity services.

Key Responsibilities:

• Provide senior-level operational support and Tier 3 troubleshooting across enterprise network, connectivity, security, and Azure cloud environments

• Configure and troubleshoot Palo Alto firewalls, including policies, NAT, routing, VPNs, certificates, authentication, logging, and high availability

• Design, configure, and support Azure networking and Cisco Catalyst/Meraki switching

• Implement and troubleshoot VLANs, VRFs, STP, HSRP, QoS, redundant paths, iBGP, eBGP, EIGRP, and TCP/IP

• Administer DNS, DHCP, IP address management, subnetting, segmentation, and related network services

• Support remote-access and site-to-site VPN environments, including Zscaler and GlobalProtect

• Troubleshoot complex network incidents across data center, branch, WAN, Internet edge, and cloud environments

• Support network implementations, maintenance, site surveys, and other infrastructure initiatives

Required Qualifications:

• 7+ years of enterprise network engineering experience

• Senior-level experience supporting complex production network environments

• Strong routing and switching knowledge

• Hands-on firewall and network security experience

• Experience troubleshooting enterprise connectivity and network incidents

• Ability to work on-site in downtown Chicago Tuesday through Thursday

Preferred Experience:

• Palo Alto firewalls and GlobalProtect

• Cisco Catalyst

• Cisco Meraki

• Microsoft Azure networking

• Zscaler

• BGP, EIGRP, HSRP, VRFs, VLANs, STP, and QoS

• DNS, DHCP, IPAM, subnetting, and network segmentation

Some travel to satellite offices may be required for site surveys, implementations, troubleshooting, and maintenance.

Work Authorization:

Candidates must be U.S. Citizens or Lawful Permanent Residents. Sponsorship is not available for this opportunity.