Network Engineer

GCS Recruitment; Sunnyvale (CA); On-site; USD 140,000 - 170,000; Full time

Job summary

GCS Recruitment is seeking a Senior Network Engineer to support Global Labs in Sunnyvale. The role emphasizes enterprise networking, data center operations, and lab infrastructure, including design, implementation, and mentoring of junior technicians.

You will work with Cisco and RUCKUS technologies, WLAN controllers, and network monitoring tools to troubleshoot and optimize complex networks. Strong documentation and project leadership are essential.

Qualifications

• 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.

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

Wireless networks

WLAN controllers

Terminal servers

Intelligent PDUs

Wireshark

Network monitoring tools

VMware ESXi

Hyper-V

KVM

Network documentation

IP/VLAN planning

Mentoring

Tools

Cisco

RUCKUS

Wireshark

VMware ESXi

Hyper-V

KVM

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.