Network Engineer

GCS Recruitment; Santa Clara (CA); On-site; USD 150,000 - 190,000; Full time

Job summary

GCS Recruitment seeks a Senior Network Engineer for Global Labs to manage and optimize lab network infrastructure in a fast-paced environment. You will oversee switching, routing, firewalls, wireless, and remote access, driving network refreshes and security improvements.

You will mentor junior technicians, create comprehensive network diagrams, IP/VLAN plans, and support customer demos, POCs, and TAC escalations. Strong troubleshooting and documentation skills are essential.

Qualifications

• 5-8 years in Enterprise Networking, Data Center Ops, or Lab Infra.
• Strong knowledge of TCP/IP, routing, switching, VLANs, subnetting, and firewalls.
• Hands-on with Cisco and/or RUCKUS networking technologies.
• Experience with wireless networks, WLAN controllers, terminal servers, and intelligent PDUs.
• Strong troubleshooting with Wireshark and network monitoring tools.
• Knowledge of VMware ESXi, Hyper‑V, or KVM environments.
• Experience creating network diagrams, IP/VLAN plans, and technical documentation.
• Ability to lead projects and mentor junior technicians.

Responsibilities

• Manage switching, routing, firewalls, wireless, remote access, and lab network infrastructure.
• Lead network refresh, segmentation, and remediation projects.
• Support customer demos, POCs, engineering testbeds, and TAC escalations.
• Troubleshoot complex network and wireless issues.
• Maintain accurate network documentation and mentor junior team members.

Skills

Enterprise Networking

Data Center Operations

Lab Infrastructure

TCP/IP

Routing

Switching

VLANs

Subnetting

Firewalls

Cisco

RUCKUS

Wireless networks

WLAN controllers

Wireshark

Network monitoring tools

VMware ESXi

Hyper-V

KVM

Documentation

Project leadership

Mentoring

Tools

Ixia

Spirent

Job description

Job Title: Senior Network Engineer - Global Labs

Must-Have Skills

• 5-8 years of experience in Enterprise Networking, Data Center Operations, or Lab Infrastructure.
• Strong knowledge of TCP/IP, Routing, Switching, VLANs, Subnetting, and Firewalls.
• Hands‑on experience with Cisco and/or RUCKUS networking technologies.
• Experience with wireless networks, WLAN controllers, terminal servers, and intelligent PDUs.
• Strong troubleshooting skills using Wireshark and network monitoring tools.
• Knowledge of VMware ESXi, Hyper‑V, or KVM environments.
• Experience creating network diagrams, IP/VLAN plans, and technical documentation.
• Ability to lead projects and mentor junior technicians.

Nice‑to‑Have Skills

• CCNA, CCNP, RUCKUS, VMware, AWS/Azure, Network+, or Security+ certifications.
• Experience with Ixia, Spirent, and network performance testing tools.
• Background in vendor labs, enterprise test labs, MSP/VAR, or TAC environments.
• Exposure to customer‑facing POCs, demos, and escalation support.
• Windows and Linux administration experience.

Key Responsibilities

• Manage switching, routing, firewalls, wireless, remote access, and lab network infrastructure.
• Lead network refresh, segmentation, and remediation projects.
• Support customer demos, POCs, engineering testbeds, and TAC escalations.
• Troubleshoot complex network and wireless issues.
• Maintain accurate network documentation and mentor junior team members.