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# Sr. Network Engineer

- **Company:** Solicitante De Empleo
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Microsoft Access, IEEE 802.1X, 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 28, 2026
- **Apply:** https://www.recruit.net/job/sr-network-engineer-jobs/A1E059E911B520EE

## About the Role

* 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

You 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 compensation
 * performance-based incentives
 * flexible work arrangements
 * development opportunities

Responsabilidades

 * 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


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