Senior Network Administrator – Multi-Site & Security

Flyover in Chicago; Chicago (IL); Hybrid; USD 80,000 - 90,000; Full time

Benefits offered by this job

Extended Benefits

Job summary

Flyover in Chicago is seeking a System Administrator II - Network to own our LAN/WAN, firewall, VPN, and wireless across multiple sites. You will design, configure, and monitor connectivity, while serving as the network SME and documenting standards.

This role blends on-site work in Chicago, with occasional Las Vegas, NV and up to four hours per week of hands-on Level 1 IT tasks; extended benefits are provided.

Qualifications

• Bachelor's degree in Computer Science, Information Systems, or a related field, or equivalent practical experience.
• 5+ years in network administration or engineering, including time owning a multi-site network end to end.
• Experience with enterprise switching and routing (VLANs, OSPF/BGP or static routing, QoS).
• Experience with firewall administration (Palo Alto, Fortinet, Cisco ASA, or similar) and VPN configuration.

Responsibilities

• Design, configure, and maintain LAN/WAN, switching, and routing across multiple sites, including VLANs, inter-site connectivity, and performance monitoring.
• Administer firewalls, VPNs, and network security controls: rules, segmentation, and secure remote access.
• Deploy and manage enterprise wireless (controllers, access points, SSIDs, coverage and capacity planning).
• Monitor network health and availability, set up alerting, and respond to incidents, outages, and performance issues.
• Maintain network documentation, diagrams, IP address management, and change records.
• Partner with vendors and ISPs on circuits, escalations, and hardware, and manage refresh and capacity planning.
• Serve as the network SME within the IT team: define standards, share knowledge with peers, and evaluate new technologies as the environment evolves.
• As the IT team member on site at this location, handle Level 1 tasks that need to be done in person (hardware setup and swaps, printer and peripheral issues, hands-on troubleshooting), up to about 4 hours per week; remote support is handled by the broader IT team.

Skills

TCP/IP fundamentals

Routing & Switching

DNS & DHCP

Network security configuration

Wireless design

Troubleshooting under time pressure

Customer service mindset

Hands-on Level 1 IT tasks

Education

Bachelor's degree in Computer Science/Information Systems or related field

Tools

Palo Alto

Fortinet

Cisco ASA

Meraki

Aruba

Azure

AWS

Job description

Flyover in Chicago is seeking a System Administrator II - Network to own our LAN/WAN, firewall, VPN, and wireless across multiple sites. You will design, configure, and monitor connectivity, while serving as the network SME and documenting standards.

This role blends on-site work in Chicago, with occasional Las Vegas, NV and up to four hours per week of hands-on Level 1 IT tasks; extended benefits are provided.