Network Engineer

We are looking for a skilled Network Engineer to support enterprise network operations and infrastructure projects in Deer Park, Illinois. This Long-term Contract position is ideal for someone who is comfortable working across production and data center environments, combining technical troubleshooting with hands-on deployment work. The role will focus on maintaining reliable connectivity, improving network performance, and contributing to site-based infrastructure initiatives in a fast-moving setting., Maintain and support enterprise network environments that include Cisco-based routing, switching, firewall, and data center technologies. Perform physical network deployment tasks such as installing equipment, racking hardware, connecting cabling, and completing patching activities within data center spaces. Diagnose and resolve network performance and connectivity problems across routers, switches, and security platforms to minimize operational disruption. Assist with infrastructure projects involving hardware upgrades, network expansion efforts, and data center relocation or migration activities. Coordinate implementation windows and cutover activities to ensure changes are executed accurately and with limited downtime. Configure and support core networking functions including VLANs, routing protocols, switching operations, and secure traffic handling practices. Work closely with project teams and technical stakeholders to deliver network changes within demanding timelines and project schedules.

Proven experience supporting large-scale enterprise Cisco networking environments. Hands-on background with Cisco routers, Cisco switching, and broader Cisco networking technologies. Experience working with Palo Alto Firewall and Cisco ASA security platforms. Knowledge of Border Gateway Protocol (BGP), TCP/IP networking, VLAN configuration, and routing and switching principles. Practical experience with data center hardware installation, rack-and-stack work, structured cabling, and patch management. Ability to troubleshoot complex network issues and support cutovers in high-pressure project environments. Familiarity with network security standards and operational best practices in enterprise infrastructure settings., All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

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