Network Engineer Job Chicago area,Illinois USA,IT/Tech

Who We Are

Born digital, UST transforms lives through the power of technology. We walk alongside our clients and partners, embedding innovation and agility into everything they do. We help them create transformative experiences and human-centered solutions for a better world.

Role Description Network Engineer Lead II - Cloud Infrastructure Services Who We Are

UST is a mission-driven group of 29,000+ practical problem solvers and creative thinkers in more than 30 countries. Our entrepreneurial teams are empowered to innovate, act nimbly, and create a lasting and sustainable impact for our clients, their customers, and the communities in which we live.

With us, you’ll create a boundless impact that transforms your career—and the lives of people across the world.

Visit us at

You Are

UST is searching for an experienced Network Engineer to manage and support the customer's enterprise network and security infrastructure. The ideal candidate will have strong hands‑on experience with Fortinet firewalls, Cisco switching, Juniper wireless technologies, network monitoring, incident troubleshooting, and onsite hands‑and‑feet support.

The Opportunity

Network & Security Operations
Administer, monitor, and troubleshoot enterprise network infrastructure, including Forti Gate Firewalls, Cisco Switches, and Juniper Wireless infrastructure.
Configure, maintain, and optimize firewalls, switching, wireless, VLANs, routing, VPNs, and network security policies.
Perform firmware upgrades, configuration backups, patching, and preventive maintenance on network devices.
Monitor network availability, performance, and capacity, proactively identifying and resolving issues. Diagnose and resolve LAN, WAN, Wi‑Fi, VPN, DNS, and connectivity issues.
Participate in network implementation, upgrades, migrations, and disaster recovery activities.
Ensure network security compliance by implementing approved security policies and best practices.
Monitoring & Incident Management
Monitor enterprise network infrastructure using Customer‑owned monitoring tools.
Perform triage, fault isolation, and root cause analysis for network‑related events. Create, update, and resolve network incidents and service requests within agreed SLAs.
Execute approved network changes in accordance with change management procedures.
Prepare operational reports, network health dashboards, and incident summaries.
Onsite Hands‑and‑Feet Support Provide onsite support for installation, rack‑and‑stack, cabling, hardware replacement, device provisioning, and troubleshooting.
Coordinate with remote engineering teams during network maintenance and incident resolution. Support data center and branch office network infrastructure activities.
Vendor Coordination Coordinate with OEM vendors, ISPs, telecommunications providers, and third‑party support teams for issue resolution and escalation management. Manage vendor support cases through closure.
Collaborate with customer infrastructure and security teams to ensure seamless network operations.
Required Technical

Skills:
Fortinet Forti Gate Firewalls Cisco Switching and Routing Juniper Wireless Infrastructure TCP/IP, LAN/WAN, VLANs, STP, Routing Protocols (OSPF/BGP preferred) VPN Technologies (Site‑to‑Site and Remote Access) DNS, DHCP, NAT Network Security and Firewall Policy Management Enterprise Network Monitoring Tools Network Performance Analysis and Troubleshooting Configuration Backup and Firmware Upgrades ITSM Tools (Service Now preferred)

This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.

What You Need

8–12 years of enterprise network engineering experience.
Strong knowledge of network architecture, routing, switching, wireless, and security technologies. Experience supporting large enterprise or data center environments.
Excellent troubleshooting and…