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# Sr. Network Engineer

- **Company:** Littelfuse
- **Location:** Lleida (Lérida), Spain
- **Contract:** Permanent contract
- **Skills:** Microsoft Access, Amazon Web Services, Microsoft Azure, Cloud Computing, Virtual Private Networks (VPN), Network Security, Network Diagrams, Routing, Network Segmentation, Cisco Nexus Switches, Zero Trust Network Access, Wide Area Networks, Identity Services Engine, Firewalls (Computer Science), Cloud Integration, Cisco Switches
- **Published:** September 27, 2026
- **Apply:** https://www.buscojobs.com.es/sr-network-engineer-en-lleida-ID-372573444

## About the Role

Requisitos principales 7+ years of experience in enterprise networking or related field
Strong foundation in enterprise networking and network security
Excellent troubleshooting and analytic skills
Good verbal and written English communication
Highly organized with strong attention to detail
Time management abilities
Bachelor's degree in relevant field; Master's preferred
Equivalence of education and experience considered
collaboration across cross-functional teams
problem-solving mindset
proactive communication
Enterprise Networking
Cisco Catalyst
Cisco Nexus

## Description

OverviewYou will join Littelfuses Global Infrastructure team to design, implement, and support a global enterprise network across 100+ locations. You will collaborate with Infrastructure, Cloud, Security, OT, and local IT teams to deliver secure, scalable networking solutions that align with the company's modernization goals. The role focuses on reliable connectivity, cloud integration, and security-driven architecture, with opportunities to lead projects and mentor others. This position offers impact across a global manufacturing and technology organization with a culture that values innovation and collaboration.Compensaciones / Beneficios competitive compensationperformance-based incentivesflexible work arrangementsdevelopment opportunitiesResponsabilidadesDesign, implement, and support global LAN/WAN infrastructureManage enterprise routing, switching and wireless environmentsDeploy and support Palo Alto firewalls, VPNs and network segmentationSupport cloud networking across Microsoft Azure and AWSDesign and troubleshoot hybrid connectivity (VPN, ExpressRoute, cloud gateways)Support global ISP management, DIA, and SD-WAN connectivityWork with Cato Networks SASE and/or Palo Alto Prisma Access/Prisma SD-WAN architecturesMaintain Cisco Catalyst, Cisco Nexus and Meraki environmentsImplement *****X, Cisco ISE, RADIUS and Zero Trust initiativesLead office deployments, migrations and infrastructure refresh projectsSupport OT / Industrial network segmentation where applicableProduce technical documentation and network diagramsMentor junior engineers and participate in technical leadershipRequisitos principales 7+ years of experience in enterprise networking or related fieldStrong foundation in enterprise networking and network securityExcellent troubleshooting and analytic skillsGood verbal and written English communicationHighly organized with strong attention to detailTime management abilitiesBachelor's degree in relevant field; Master's preferredEquivalence of education and experience consideredcollaboration across cross-functional teamsproblem-solving mindsetproactive communicationEnterprise NetworkingCisco CatalystCisco Nexus


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