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.