Track Lead - Wireless Networking
Brazil
Job Description
Track Lead - Wireless Networking
Sao Paulo, São Paulo

Job Summary

The Network Data L3 Engineer acts as a Subject Matter Expert (SME) responsible for advanced troubleshooting, design support, and operational stability of enterprise network infrastructure across LAN/WAN, data center, and cloud environments. The role ensures high availability, SLA adherence, and drives continuous improvements across network operations.

Key Responsibilities

Operations & Incident Management Provide Level 3 support for complex network incidents, major outages, and escalations Lead P1/P2 incident bridges and drive resolution within SLA timelines Perform detailed Root Cause Analysis (RCA) and implement permanent fixes Ensure adherence to ITIL processes (Incident, Problem, Change management) Network Troubleshooting & Support Troubleshoot complex issues across: Routing & Switching (BGP, OSPF, EIGRP, VLANs, STP) WAN technologies (MPLS, DMVPN, GRE) Wireless and Data Center technologies Provide break-fix support and performance optimization Ensure maximum uptime and service availability [Network_L3 | Word] Implementation & Engineering Support Lead/oversee installation, configuration, and migration activities Execute network changes, upgrades, and patching activities Support capacity planning and network optimization initiatives Validate and enforce network design standards and best practices Governance & Process Improvement Ensure compliance with SLA/KPI metrics and audit requirements Define and enhance operational processes and runbooks Participate in Change Advisory Board (CAB) discussions Identify skill gaps and drive training initiatives within the team [Network_L3 | Word] Stakeholder & Team Management Act as SME for customer interactions and technical escalations Mentor L1/L2 engineers and provide knowledge transfer sessions Work in a global delivery / follow-the-sun model

Skill Requirements

Core Networking Routing & Switching (Cisco, Arista) LAN/WAN, TCP/IP, Subnetting Routing protocols: BGP, OSPF, EIGRP Network Platforms & Tools Cisco devices (ISR/ASR, Catalyst, Nexus) Wireless: Cisco / Aruba SD-WAN (Viptela / Meraki preferred) Load Balancers: F5 IPAM: Infoblox WAN Optimization: Riverbed Packet analysis tools (Wireshark, etc.) [Network_L3 | Word] Data Center Technologies (Preferred) vPC, VDC, OTV, FEX High availability, redundancy architectures Disaster recovery & business continuity Qualifications & Experience 8+ years of experience in enterprise network operations Strong hands-on experience in large-scale global network environments [Network Security L3 | Word] Certifications preferred: CCNP / CCIE (Routing & Switching / Enterprise) Proven expertise in: Complex troubleshooting Network design and optimization SLA-driven support environments Soft Skills Strong analytical and problem-solving ability Excellent communication (verbal & written) Ability to work under pressure and in 24x7 environments Strong customer handling and stakeholder management skills Additional Expectations Experience working in managed services or global delivery environments Exposure to automation / scripting is an added advantage Continuous learning mindset aligned to evolving network technologies

Other Requirements

Core Networking Routing & Switching (Cisco, Arista) LAN/WAN, TCP/IP, Subnetting Routing protocols: BGP, OSPF, EIGRP Network Platforms & Tools Cisco devices (ISR/ASR, Catalyst, Nexus) Wireless: Cisco / Aruba SD-WAN (Viptela / Meraki preferred) Load Balancers: F5 IPAM: Infoblox WAN Optimization: Riverbed Packet analysis tools (Wireshark, etc.) [Network_L3 | Word] Data Center Technologies (Preferred) vPC, VDC, OTV, FEX High availability, redundancy architectures Disaster recovery & business continuity Qualifications & Experience 8+ years of experience in enterprise network operations Strong hands-on experience in large-scale global network environments [Network Security L3 | Word] Certifications preferred: CCNP / CCIE (Routing & Switching / Enterprise) Proven expertise in: Complex troubleshooting Network design and optimization SLA-driven support environments Soft Skills Strong analytical and problem-solving ability Excellent communication (verbal & written) Ability to work under pressure and in 24x7 environments Strong customer handling and stakeholder management skills Additional Expectations Experience working in managed services or global delivery environments Exposure to automation / scripting is an added advantage Continuous learning mindset aligned to evolving network technologies

Information at a Glance

Why HCLTech?

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 2026 totaled $14.8 billion.