Senior Network Engineer

General Info:

US Citizens or GC Holders only

Must be on our W2- no C2C

Remote but must reside in St. Louis, MO or immediate surrounding area

About the Role:

We're looking for a Network Engineer to join a Business Infrastructure Services team, with strong potential to convert to full-time based on performance and business need. You'll design, implement, and maintain network infrastructure supporting warehouse operations, while also contributing to network security initiatives that protect, segment, and harden those environments. This role requires on-site presence and close collaboration with warehouse leadership and cross-functional IT teams.

What You'll Do:

Core Network Engineering

• Design, configure, install, test, and maintain Cisco networking equipment (routers, switches, firewalls, wireless controllers, access points) across data center, remote site, and cloud environments
• Configure and maintain routing protocols including BGP and EIGRP
• Configure and troubleshoot LAN protocols like VPC, LACP, and STP
• Perform site surveys and RF tuning to deploy and maintain wireless networks
• Configure and maintain monitoring tools for network health, performance, and alerting
• Troubleshoot network performance issues with vendors, carriers, and end users
• Review QoS configurations and test for proactive optimization
• Perform scheduled maintenance and support disaster recovery planning
• Maintain documentation: as-builts, network diagrams, knowledge-base articles
• Generate procurement lists for hardware and software
• Build network automation using Python, Ansible, or similar tools
• Provide technical support and training to other teams

Network Security

• Configure and manage Cisco firewalls (ASA/Firepower), including NAT, ACLs, DACLs, and security policies
• Design and implement network segmentation (VLANs, VRFs, microsegmentation) to limit lateral movement
• Support zero trust network access (ZTNA) initiatives with identity-aware access policies
• Deploy, tune, and maintain IDS/IPS systems across the network
• Configure VPN technologies including DMVPN, IPSec site-to-site, and remote access VPN
• Monitor traffic for anomalous behavior and participate in incident response
• Collaborate with the security team on vulnerability remediation and security controls

What We're Looking For:

• Minimum 5 years of network administration experience
• Working knowledge of network administration principles, methods, and techniques, including relevant hardware and software
• Bachelor's degree in Computer Science, Mathematics, Statistics, or Engineering (or equivalent experience)
• CCNA certification required; active pursuit of CCNP preferred
• Hands-on experience with Cisco or equivalent enterprise firewall platforms
• Familiarity with zero trust principles, network segmentation design, and IDS/IPS tuning
• Previous experience maintaining networking components in data center and remote site environments