Network Engineer II
On-site · Green Bay, Wisconsin, United States
Job Summary
Network Engineer II at Nicolet National Bank responsible for designing, implementing, and managing the LAN/WAN and voice network across on-premises infrastructure. Designs and optimizes network architecture, ensures performance, reliability, and security, and supports IT strategy with cross-functional collaboration. Responsibilities include configuring and troubleshooting LAN/WAN, voice networks (Teams Phone, Direct Routing, Operator Connect, Calling Plans), disaster recovery planning and testing, enforcing firewall and perimeter security controls, maintaining regulatory compliance, providing technical leadership on upgrades and new systems, serving as escalation contact for complex incidents, and maintaining vendor relationships. Role is located in in-office Green Bay, WI with a focus on in-person work and collaboration.
Required Qualifications
- 5+ years' experience as a Network Engineer
- Technical Degree / Bachelor’s Degree in technology or related field
- Strong understanding of enterprise networking fundamentals (TCP/IP, VLANs, STP, OSPF/BGP, QoS) and network design best practices
- Hands-on experience with Arista Networks switching, including Arista EOS configuration, operations, and troubleshooting
- Experience implementing and supporting Cato Networks (SASE/SD-WAN), including site turn-ups, policy management, and connectivity troubleshooting
- Knowledge of firewall and perimeter security concepts (segmentation, VPNs, NAT, IDS/IPS) and secure network operations
- Experience with network monitoring/telemetry and troubleshooting tools (e.g., SNMP, syslog, flow data) and incident/root-cause analysis
- Network automation experience using Ansible and/or PowerShell to standardize configurations, reduce manual effort, and improve repeatability
- Familiarity with APIs and scripting concepts (e.g., REST/JSON) and source control practices to support infrastructure automation
- Strong documentation, communication, and cross-team collaboration skills
- Ability to plan, prioritize, and organize work effectively, work effectively under pressure and time deadlines, analyze problems, propose solutions, make logical decisions, carry out decisions made, and follow up with feedback
- Must be able to work fully in-office
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