Key Responsibilities
Advanced LAN Support

Act as L3 escalation point for critical LAN incidents.

Perform advanced troubleshooting across campus networks.

Support large-scale Cisco and Aruba switching environments.

Troubleshoot complex routing and switching issues.

LAN Technologies

Aruba CX

HPE Comware

SDA (Software Defined Access)

Device onboarding and provisioning

Assurance Management

Software Image Management (SWIM)

Compliance management

SDA operational support

Lead Root Cause Analysis (RCA).

Identify recurring infrastructure issues.

Implement permanent corrective actions.

Maintain technical knowledge articles.

Upgrade & Lifecycle Management

Switch refresh initiatives

Software lifecycle planning

Validation and rollback testing

Capacity & Performance Management

Capacity forecasting

Performance optimization

Infrastructure modernization

Security & Compliance

Vulnerability remediation

Security advisory reviews

Automation

Python scripting

DNAC API integrations

Section Title: Skill Requirements
Skill Requirements
Required Skills





Aruba CX

OSPF

BGP

EIGRP

STP

QoS

SDA

Experience

7-10 years of LAN Engineering experience.

3+ years supporting Cisco DNAC.

Experience handling major incidents.

Preferred Certifications

CCNP Enterprise

Aruba ACNP

ITIL Foundation

About HCLTech:
We are HCLTech, one of the fastest-growing large tech companies in the world and home to 225,000+ people across 60 countries, supercharging progress through industry-leading capabilities centered around Digital, Engineering and Cloud. The driving force behind that work, our people, are diverse, creative, and passionate, raising the bar for excellence on a regular basis.

We, in turn, work hard to bring out the best in them as we strive to help them find their spark and become the best version of themselves that they can be. If all this sounds like an environment you'll thrive in, then you're in the right place. Join us on our journey in advancing the technologic

📌 Senior LAN Network Engineer (Madrid)
🏢 HCLTech
📍 Madrid