Track Lead - Wireless Networking
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Salary
≈ $60k – $158k per year (Estimated)
Location
In office (Düsseldorf)
Seniority
Staff · 7+ years exp
Confirmed on the employer's own hiring board on Oct 22, 2026. First seen by Alion on Oct 22, 2026.
Overview
Company
Impact
Profile match
HCLTech is a major Indian multinational information technology (IT) services and consulting company headquartered in Noida, Uttar Pradesh. Spun off from the original HCL Group in 1991, it ranks as one of India's largest technology companies alongside firms like TCS, Infosys, and Wipro.
Job Summary
Job Summary : The L3 Wireless Engineer is responsible for advanced wireless engineering, RF optimization, WLAN architecture support, major incident resolution, wireless lifecycle management, automation, and technical governance of Cisco and Aruba Wireless environments.
Role Summary
The L3 LAN Engineer serves as the highest technical escalation point for enterprise LAN infrastructure and is responsible for advanced troubleshooting, design support, capacity planning, lifecycle management, automation, and major incident resolution.
Key Responsibilities
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
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
Other Requirements
Other Requirement : Advanced Wireless Engineering
- Act as L3 escalation point for wireless issues.
- Troubleshoot complex WLAN performance issues.
- Analyze wireless user experience and client behavior.
- Optimize RF design and coverage.
Cisco Wireless Technologies
- Cisco WLC 9800
- Cisco Access Points
- Wireless Assurance
- Cisco Mobility Services
Aruba Wireless Technologies
- Aruba Central
- Aruba Mobility Controllers
- Aruba APs
- AI Insights
- AirWave
RF Performance Management
- RF tuning and optimization
- Channel utilization analysis
- Coverage gap analysis
- Roaming optimization
- Client density planning
Aruba Central Administration
- Site and group management
- Template administration
- Firmware compliance
- AI-powered analytics review
Problem Management
- Root Cause Analysis
- Known Error Database maintenance
- Wireless stability improvements
- User experience enhancement initiatives
Upgrade & Lifecycle Management
- Controller upgrades
- AP firmware upgrades
- ArubaOS upgrades
- Wireless software compliance management
Security
- Cisco ISE Integration
- Aruba ClearPass
- 802.1X Authentication
- NAC
- Wireless segmentation
- Policy enforcement
Automation & Analytics
- DNAC APIs
- Aruba Central APIs
- Python Automation
- Wireless reporting and dashboards
Required Skills
- Cisco WLC 9800
- Aruba Central
- Aruba Controllers
- RF Optimization
- WLAN Design
- Cisco ISE
- Aruba ClearPass
- Wireless Security
- Wireless Analytics
- Network Automation
Experience
- 7-10 years of Wireless Engineering experience.
- 3+ years supporting enterprise Cisco and Aruba WLAN environments.
- Strong expertise in RF design and troubleshooting.
Preferred Certifications
- CCNP Enterprise (Wireless)
- CWNA / CWNP
- Aruba ACMP
- Aruba ACNP
- ITIL Foundation
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