Senior Network Engineer

Salary: $120k-$140k + 15% bonus

Location: Chicago, IL or Dallas, TX

Hybrid: 3 days onsite, 2 days remote*We are unable to provide sponsorship for this role*Qualifications Bachelor’s degree 5+ years of experience in IT systems installation, operations, administration, and maintenance of virtualized servers / cloud systems Experience with Cisco NGFW, ASAStrong foundation in Network protocols (BGP, OSPF, ISIS) and concepts (WAN/LAN/IP/VPN/IPAM/DNS), with the ability to apply this knowledge to expand and support existing network infrastructure Advanced experience with Cisco network products, including lifecycle management (deployment, upgrades, and ongoing support) of IOS, NX-OS, XR, and FTD platforms Strong network troubleshooting skills to support day-to-day operations, including packet capture, analysis, and review. Experience supporting cloud connectivity (AWS, Azure) within a hybrid infrastructure environment Scripting experience (Python, Ansible, GitHub or industry equivalent) to support automation and maintenance of existing infrastructure.

Responsibilities: Responsible for supporting, administering, and overseeing network support, design, and analysis of new and existing architectures — including routing/switching configuration, Cisco FTD firewall administration, Cisco ACI management, and network-related business continuity planning The role also involves developing systems specifications, technical implementation plans, and coordinating complex installation projects with clients and vendors, while working with a team on network and security architecture design for both on-premise and Cloud environments Support the network infrastructure lifecycle, including routing, switching, Cisco FTD firewalls, Cisco ACI, and cloud-based (AWS) solutions — covering deployment, troubleshooting, and ongoing maintenance. Assist in implementing network changes to maintain security, performance, and compliance with governance frameworks (NIST-CSF, COBIT).Partner with vendors, carriers, and engineering teams to resolve issues and support large-scale projects. Maintain documentation and provide on-call support to help ensure reliability and business continuity