Track Manager (Support & Operations)

HCL Technologies Limited; Paris; Sur place; EUR 70 000 - 95 000; Plein temps

Résumé du poste

HCL Technologies Limited in Paris is seeking an experienced L3 LAN Engineer to act as the highest technical escalation point for enterprise LAN infrastructure. You will troubleshoot, design support, plan capacity, and manage lifecycle with automation initiatives.

Join a global technology company delivering digital, engineering, cloud and AI solutions across industries, with a strong focus on customer outcomes and continuous improvement.

Qualifications

• 7-10 years of LAN Engineering experience.

Responsabilités

• 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.
• Lead Root Cause Analysis (RCA).
• Identify recurring infrastructure issues.
• Implement permanent corrective actions.
• Maintain technical knowledge articles.
• Switch refresh initiatives.
• Software lifecycle planning.
• Validation and rollback testing.
• Capacity forecasting.
• Performance optimization.
• Infrastructure modernization.
• Vulnerability remediation.
• Security advisory reviews.
• Python scripting.
• DNAC API integrations.

Connaissances

Aruba CX

OSPF

BGP

EIGRP

STP

QoS

SDA

Python scripting

Outils

DNAC API integrations

Description du poste

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

• 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

Required Skills

• Aruba CX
• OSPF
• BGP
• EIGRP
• STP
• QoS
• SDA

Skill Requirements

• 7-10 years of LAN Engineering experience.

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026totaled $14.8billion.