Network Engineer

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