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HCLTech

L3 Network Engineer

HCLTech
Brazil · Full-time · Mid-Senior

www.hcltech.com. Visit our website to learn more about us!


Job sumary:


Plays a leading role in supporting all network infrastructure operations across multiple technology domains (Data, , and network applications). This includes advanced technical diagnostics and execution of complex changes. Provide expert / advanced level troubleshooting to resolve complex network and voice Incidents. Oversee and technically drive network Pri1’s and critical issues within shift to ensure the Managed Service Provider is restoring service as quickly and efficiently as possible. Ensure Incident Management is achieving the goal of fast and efficient restoration of services. .


Responsible for Operational Continuous Improvement (reviewing logs, configurations, tools, analytic data, etc.) to

continually improve the reliability of the client network. Ensure best in class network performance through proactive

and predictive network monitoring and controls. This individual will utilize operational technologies and tools to

prevent network outages. This includes providing feedback to engineering and deployment teams for continual

improvement / DevOps

Provide input to design changes to enhance availability, capacity and performance


Required Knowledge, Skills and Abilities:

(Include any required computer skills, certifications, licenses, languages, etc.)

· Experience with an MSP, ISP, major carrier, or very large enterprise network

CCNP Certification

Advanced English

· Expert level at troubleshooting and diagnostics. Able to perform (advanced level) configuration, testing, and troubleshooting of IP network infrastructure.

· Ability to configure / implement complex network changes

· Strong and broad technical knowledge and experience with converged infrastructure, switching / routing in a large and complex network, DHCP, DNS, IP (Schema, subnetting, summarization) IP management tools, network management applications, advanced WAN routing, WAN/LAN/Wireless LAN topologies, MPLS and other WAN technologies, , traffic shaping / QoS, EIGRP/BGP, multimedia/VoIP solutions (SIP), firewalls,

· Strong to expert knowledge of Routing and Switching systems; strong understanding of Routing Protocols (OSPF, EIGRP, and BGP) and Gateway Redundancy Protocols (HSRP, VRRP, and GLRP)

· Strong knowledge of VoIP, Multicast, STP, VTP and Virtual LAN’s and Trunking (VLAN’s); Network Security (ACL’s, IPSec Tunnels), Firewalls (Security Appliances), Netflow, IPSLA, and VPN technologies

· Excellent written and oral communication skills

· Ability to effectively prioritize and execute in a high-pressure environment

· Exceptional customer service orientation

· Extensive experience working in a team-oriented, collaborative environment


Please submit resumé in English

Key Skills

Ranked by relevance

wan network security multicast firewalls netflow ipsec eigrp ospf dhcp acls mpls voip vpn lan bgp dns stp
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Posted
Jun 19, 2026
Type
Full-time
Level
Mid-Senior
Location
Campinas
Company
HCLTech

Industries

Outsourcing Offshoring Consulting IT System Training Support

Categories

Information Technology Consulting Project Management

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