Sr. Network Engineer

About the role

Littelfuse is looking for an experienced Senior Network Engineer to join its Global Infrastructure team. The role designs, implements, and supports a global enterprise network across more than 100 international locations, partnering with Infrastructure, Cloud, Security, OT, and local IT teams to deliver secure, scalable, and highly available networking solutions.

Responsibilities

• Design, implement, and support global LAN/WAN infrastructure.
• Manage enterprise routing, switching, and wireless environments.
• Deploy and support Palo Alto firewalls, VPNs, and network segmentation.
• Support cloud networking across Microsoft Azure and AWS.
• Design and troubleshoot hybrid connectivity, including VPN, ExpressRoute, and cloud gateways.
• Support global ISP management, DIA, and SD-WAN connectivity.
• Work with Cato Networks SASE and/or Palo Alto Prisma Access/Prisma SD-WAN architectures.
• Maintain Cisco Catalyst, Cisco Nexus, and Meraki environments.
• Implement 802.1X, Cisco ISE, RADIUS, and Zero Trust initiatives.
• Lead office deployments, migrations, and infrastructure refresh projects.
• Support OT / Industrial network segmentation where applicable.
• Produce technical documentation and network diagrams.
• Mentor junior engineers and participate in technical leadership.

Requirements

• The source describes the position as seeking an experienced Senior Network Engineer.

Datos clave

• The role supports a global enterprise network across more than 100 international locations.
• The engineer works with Infrastructure, Cloud, Security, OT, and local IT teams.
• The role includes LAN/WAN, routing, switching, wireless, firewalls, VPNs, and cloud networking.