Zenlayer

Network Support Engineer

Zenlayer

full-time

Posted on:

Location Type: Hybrid

Location: Diamond Bar • California • United States

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Tech Stack

FirewallsSwitchingTCP/IP

About the role

  • Provide Tier 1 and Tier 2 network support by opening, troubleshooting, and resolving customer and internal tickets
  • Diagnose and resolve network issues including congestion, routing changes, hardware failures, and vendor related incidents
  • Configure, provision, and maintain top-of-rack switches, core Layer 3 switches/routers, and SDN services
  • Monitor network infrastructure, respond to alerts, and ensure issues are addressed within defined SLAs
  • Maintain the integrity, reliability, and performance of Zenlayer’s global network
  • Create, update, and improve network support documentation, procedures, and operational processes
  • Participate in on call rotations and provide after-hours and weekend support as needed
  • Collaborate with internal teams to plan, research, and design resilient network architectures for IT projects
  • Track, escalate, and manage incidents to resolution while providing clear and timely communication to customers

Requirements

  • Minimum 3 years of hands-on networking experience
  • Current CCNA certification or equivalent practical experience
  • Strong understanding of networking fundamentals including TCP/IP, routing, switching, STP, VLAN/VXLAN, and firewalls
  • Experience working with Juniper EX, Centec, and Cisco switches
  • Background supporting customer environments in a helpdesk or NOC-style support role
  • Excellent customer service skills with the ability to communicate technical concepts clearly and professionally
  • Exceptional attention to detail, including documentation and written communication
  • Ability to troubleshoot complex technical issues under pressure in a fast-paced environment
  • Strong multitasking, prioritization, and time-management skills
  • Self-motivated, team-oriented, and able to work independently with minimal supervision
  • Availability to work nights and weekends as part of on-call rotation
  • Working knowledge of Microsoft Office Suite
  • Familiarity with SDN technologies (e.g., OpenFlow) is a plus
  • Mandarin bilingual proficiency is required
Benefits
  • Hybrid work schedule
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
network supporttroubleshootingnetwork configurationLayer 3 switchingSDN servicesTCP/IProutingswitchingVLANfirewalls
Soft Skills
customer servicecommunicationattention to detailtroubleshooting under pressuremultitaskingprioritizationtime managementself-motivatedteam-orientedindependent work
Certifications
CCNA