Asks for

The ad says“• CCNP Enterprise”
The ad says“• Microsoft Certified: Azure Network Engineer Associate”
The ad says“• PCNSE”
The ad says“- 802.1X”
The ad says“- ACLs”
The ad says“- Active Directory”
The ad says“- AWS Networking”
The ad says“- Azure Virtual WAN”
The ad says“- Azure VPN Gateway”
The ad says“- BGP, OSPF, Static Routing”
The ad says“- Cato Networks”
The ad says“- Certificate-based authentication”
The ad says“- Cisco Catalyst”
The ad says“- Cisco ISE”
The ad says“- Cisco Nexus”
The ad says“- Cisco Wireless”
The ad says“- VLANs, STP, EtherChannel”
The ad says“- ExpressRoute”
The ad says“- Guest Access”
The ad says“- HSRP / VRRP”
The ad says“- IPSec VPN”
The ad says“- Meraki Wireless”
The ad says“- Microsoft Azure Networking”
The ad says“- Microsoft Entra ID”
The ad says“- NAT”
The ad says“- Network Segmentation”
The ad says“- BGP, OSPF, Static Routing”
The ad says“- Palo Alto Firewalls”
The ad says“- Palo Alto Prisma Access”
The ad says“- Palo Alto Prisma SD-WAN”
The ad says“- RADIUS”
The ad says“- Roaming optimization”
The ad says“- SD-WAN architecture”
The ad says“- Secure Internet Access”
The ad says“- SolarWinds”
The ad says“- SSL VPN”
The ad says“- BGP, OSPF, Static Routing”
The ad says“- VLANs, STP, EtherChannel”
The ad says“- ThousandEyes”
The ad says“- VLANs, STP, EtherChannel”
The ad says“- HSRP / VRRP”
The ad says“- Zero Trust”

Littelfuse (NASDAQ: LFUS) is a diversified industrial technology manufacturing company shaping solutions for the safe and efficient transfer of electrical energy. Headquartered in Chicago, Illinois, USA, we serve customers across industrial, transportation, and electronics markets worldwide. With approximately 16,000 employees we design and manufacture innovative technologies that support electrification, energy efficiency, and advanced automation. Our global reach is matched by a culture that empowers innovation and long-term growth. Guided by our principles We Care, We Succeed With Our Customers, and We Own the Outcome, we work collaboratively, think boldly, and deliver solutions that move industries forward.

We are looking for an experienced Network Engineer to join our Global Infrastructure team. This role is responsible for designing, implementing, and supporting a global enterprise network across more than 100 international locations. You will partner with Infrastructure, Cloud, Security, OT, and local IT teams to deliver secure, scalable, and highly available networking solutions.

About Your Job:

• 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 (VPN, ExpressRoute, 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

Required Technical Skills

Enterprise Networking
- Cisco Catalyst
- Cisco Nexus
- VLANs, STP, EtherChannel
- HSRP / VRRP
- BGP, OSPF, Static Routing

Security
- Palo Alto Firewalls
- IPSec VPN
- SSL VPN
- NAT
- ACLs
- Network Segmentation
- Zero Trust

SASE / SD-WAN
- Cato Networks
- Palo Alto Prisma Access
- Palo Alto Prisma SD-WAN
- SD-WAN architecture
- Secure Internet Access

Wireless
- Cisco Wireless
- Meraki Wireless
- 802.1X
- Guest Access
- Roaming optimization

Cloud
- Microsoft Azure Networking
- Azure Virtual WAN
- Azure VPN Gateway
- ExpressRoute
- AWS Networking

Authentication
- Microsoft Entra ID
- Active Directory
- Cisco ISE
- RADIUS
- Certificate-based authentication

Monitoring & Automation
- SolarWinds
- LogicMonitor (preferred)
- ThousandEyes
- Python (preferred)
- PowerShell (preferred)
- REST APIs (preferred)

Preferred Certifications

• CCNP Enterprise
• PCNSE
• Microsoft Certified: Azure Network Engineer Associate
• CCIE Enterprise (preferred, not required)

What Success Looks Like

• Improve global network stability and availability
• Deliver infrastructure modernization projects
• Standardize global network architecture
• Strengthen cloud connectivity and security
• Reduce operational complexity through automation
• Collaborate effectively across Infrastructure, Security and Cloud teams.

About You:

7+ years of experience.
Bachelor's degree in Computer Science, Information Technology, Network Engineering, Telecommunications, or a related field required.
Master's degree preferred.
Equivalent combination of education and relevant experience may be considered.
Strong foundation in enterprise networking, network security, cloud networking, and infrastructure architecture.
Timeime management abilities
Good analytic skills
Excellent troubleshooting skills
High level of verbal and written english communication skills
Highly organized with strong attention to detail

#LI-KRL

At Littelfuse, we support employee growth and development. Guided by our culture principles, our teams work together to deliver value for customers and make a positive impact in the communities where we operate. We are an equal opportunity employer committed to fostering an inclusive workplace where everyone has the opportunity to grow and contribute. We offer competitive compensation and benefits, performance-based incentives, flexible work arrangements, and development opportunities.

Asks for

Values