L3 Senior LAN Network Engineer - Cisco DNAC & Campus Infrastructure

JD

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

- Cisco Catalyst 9K
- Cisco Nexus
- Aruba CX
- HPE Comware
- SDA (Software Defined Access)

Cisco Catalyst Center (DNAC)

- Device onboarding and provisioning
- Assurance Management
- Software Image Management (SWIM)
- Template deployment
- Compliance management
- SDA operational support

Problem Management

- Lead Root Cause Analysis (RCA).
- Identify recurring infrastructure issues.
- Implement permanent corrective actions.
- Maintain technical knowledge articles.

Upgrade & Lifecycle Management

- IOS-XE upgrades
- Switch refresh initiatives
- Software lifecycle planning
- Validation and rollback testing





Capacity & Performance Management

- Capacity forecasting
- Utilization analysis
- Performance optimization
- Infrastructure modernization

Security & Compliance

- Vulnerability remediation
- Security advisory reviews
- Configuration compliance audits
- Network segmentation support

Automation

- Python scripting
- Ansible automation
- DNAC API integrations

Section Title: Skill Requirements

Skill Requirements

Required Skills

- Cisco Catalyst Center (DNAC)
- Cisco Catalyst 9K
- Cisco Nexus
- Aruba CX
- OSPF
- BGP
- EIGRP
- STP
- QoS
- SDA
- Cisco ISE

Experience

- 7-10 years of LAN Engineering experience.
- 3 years supporting Cisco DNAC.
- Experience handling major incidents.

Preferred Certifications

- CCNP Enterprise
- Cisco SDA Specialization
- Aruba ACNP
- ITIL Foundation

📌 Network Engineer (Vitoria-Gasteiz)
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