Network Engineer

Our client is seeking an experienced Network Engineer to join its infrastructure team in St. Peters, MO. This is a direct hire opportunity focused on designing, implementing, maintaining, and troubleshooting enterprise network infrastructure across cloud and traditional on-premises environments. The Network Engineer will play a hands-on role in supporting network performance, security, and reliability across multiple locations. The ideal candidate will have strong foundational networking knowledge, extensive troubleshooting capabilities, experience with Cisco infrastructure and firewalls, and practical experience supporting cloud networking environments across Microsoft Azure and AWS.

This position is W-2 only. We do not work with third-party firms or C2C arrangements for this role.

• Employment type: Direct Hire
• Work location: St. Peters, MO

• Design and implement new network solutions and improve the efficiency, security, and reliability of existing networks
• Install, configure, and support network infrastructure, including routers, proxy servers, switches, WAN accelerators, DNS, and DHCP
• Configure firewalls, routing, and switching to maximize network performance and security
• Administer web application firewalls and manage SSL/TLS certificates, including issuance, installation, and renewal
• Monitor network performance, investigate faults, and identify opportunities to improve availability and efficiency
• Troubleshoot LAN/WAN, VPN, routing, switching, and firewall issues from end to end and implement durable resolutions
• Maintain network equipment by applying current, approved firmware releases
• Document network configurations, incidents, troubleshooting activities, and resolutions within the IT service management environment
• Communicate network status, risks, and relevant updates to key stakeholders
• Support connectivity across corporate networks, cloud platforms, and multiple branch locations

• 4+ years of networking experience
• 2+ years of cloud engineering experience
• Strong understanding of TCP/IP, IP addressing, subnetting, CIDR, VLANs, network segmentation, switching, routing, and network architecture
• Hands-on experience with routers, switches, firewalls, and VPN appliances, including Cisco ASA/Firepower, Nexus, Catalyst, and Check Point
• Strong knowledge of WAN protocols and routing technologies, including BGP, OSPF, and MPLS
• Hands-on experience configuring and troubleshooting site-to-site VPNs, IPsec tunnels, IKE/IKEv2, and secure network connectivity
• Practical experience with cloud networking across Microsoft Azure and AWS
• Strong understanding of OSI layers 1–4 and Layer 7, including end-to-end network troubleshooting
• Experience with DNS, DHCP, NAT, VRFs, load balancers, network redundancy, and high availability
• Strong troubleshooting skills across physical connectivity, switching, routing, transport, and application layers
• Strong communication skills and ability to work independently in a hands-on infrastructure environment
• Ability to work onsite five days per week in St. Peters, MO

• Bachelor's degree in Information Systems or a related field, or equivalent practical experience
• Experience with Microsoft ADFS, multifactor authentication, Active Directory, and federated identity systems
• Knowledge of Dev Ops practices, containerization, security, and observability
• Scripting and infrastructure-as-code experience using Terraform, Azure Resource Manager, Azure Power Shell, and Azure CLI
• Experience with SNMP monitoring and device management, including SNMP v2c/v3, community strings, traps, polling, and MIBs/OIDs
• Experience managing SSL/TLS certificates and web application firewalls
• Experience supporting hybrid cloud and…