Network Infrastructure Engineer Jobs in Wisconsin

Job Summary:

The Infrastructure Engineer is responsible for designing, deploying, and operating enterprise data center and network infrastructure. This role spans compute, storage, virtualization, and network platforms, with a focus on reliability, scalability, and automation. The engineer will collaborate with transport, application, and security teams to deliver resilient infrastructure platforms.

Responsibilities & Duties:

Network Design and Implementation

• Plan, design, and implement networking infrastructure including Cisco Nexus and Catalyst, Dell, and Palo Alto Firewalls.

• Configure and manage routing and switching platforms (BGP, OSPF, IS-IS, VLANs, EVPN, VXLAN, etc.).
• Design and configure data center network automation tooling to manage network fabrics at scale.
• Implement network segmentation practices by using VLANs, policies, and inspection.
• Identify and troubleshoot complex networking issues while using monitoring and observability tools like Zabbix, Grafana, and others.
• Drive hardware and software lifecycle management of network infrastructure.

Data center Compute, Virtualization, and Storage

• Configure and manage virtualization platforms across multiple data centers.
• Develop efficient operational workflows by creating VM templates, images, and other means of rapid host and VM provisioning.
• Deploy, configure, and maintain physical server platforms.
• Perform regular patching of BIOS, firmware, and lights out management.
• Deploy and manage storage systems (SAN, NAS, object storage, Ceph, ZFS, RAID).
• Manage storage resiliency through backup and replication platforms.
• Design storage architectures for performance, resilience, and scalability.
• Monitor storage capacity and performance while proactively addressing issues.
• Rack/Stack, cabling, and power of on-premises hardware.

Automation & Infrastructure as Code

• Automate provisioning and configuration using Python, Bash, Ansible, Terraform, etc.
• Develop tooling using modern automation frameworks that improve deployment consistency and operational efficiency.

Operations, Communication, and Teamwork

• Keep affected teams informed of planned and unplanned changes, significant issues, delays, and environmental impacts.
• Ensure proper documentation of software and systems is maintained.
• Develop projects plans and keep projects on track to meet deadlines.
• Partner with the applications and core team to achieve business objectives.
• Ensures leadership is informed of problems that are customer impacting.
• Participate in on-call rotation and incident response.

Required Qualifications

• Bachelor’s degree in computer science, Engineering, Information Systems, or equivalent experience.
• 3+ years of experience in infrastructure engineering (network, systems, or data center operations).
• Strong knowledge of routing, switching, and firewall technologies.
• Hands-on experience with data center networking (fiber, DAC, etc.).
• Experience with virtualization platforms and enterprise storage systems.
• Scripting or automation experience (Python, Bash, PowerShell, etc.).
• Experience with Linux and/or enterprise server operating systems.

Preferred Qualifications

• Advanced networking experience (BGP, EVPN/VXLAN, MPLS, large-scale IP fabrics).
• Experience with data center architectures (leaf-spine, Clos, SDN).
• Vendor certifications (CCNP/CCIE, JNCIP/JNCIE, VMware, Red Hat, NetApp, etc.).
• Storage expertise (NetApp, Dell/EMC, Pure, SAN/NVMe fabrics, Ceph, ZFS).
• Kubernetes, container platforms, or cloud infrastructure experience.
• Experience with automation frameworks and IaC (Terraform, Ansible).
• Experience in regulated or high-availability environments (telecom, finance, healthcare).