Network SME/Lead (Switch)

TechDigital Group; San Jose (CA); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Health benefits

On-site by-location support

Job summary

TechDigital Group in San Jose, CA seeks an experienced network engineer to design, implement, and support secure, scalable enterprise networks. You will lead operations across routing, switching, wireless, SD-WAN, and security domains, while troubleshooting complex issues and driving incident response.

The role emphasizes RF tuning, capacity planning, SSL inspection, DNS/DHCP/IPAM management, and collaboration with cross-functional teams to deliver high-availability infrastructure.

Qualifications

• Extensive experience designing, implementing, and supporting secure, scalable enterprise networks.
• Strong knowledge of routing and switching in large LAN/WAN environments with security controls.
• Experience leading network operations and incident management in 24x7 environments.

Responsibilities

• Design, implement, and support secure, scalable, and highly available enterprise network solutions.
• Lead network operations and provide technical leadership for Routing, Switching, Wireless, SD-WAN, Proxy Security, and DDI/F5 environments.
• Troubleshoot and resolve complex Layer 2, Layer 3, wireless, and security-related network issues.
• Manage and optimize enterprise LAN/WAN infrastructure to achieve maximum availability and performance.
• Lead major incident management activities and perform root cause analysis for critical outages.
• Design, deploy, and optimize Wireless LAN infrastructure, including RF tuning, capacity planning, and security enhancements.
• Support and manage SD-WAN deployments, migrations, policy configurations, and overlay/underlay troubleshooting.
• Administer Zscaler ZIA and Bluecoat Proxy environments, including SSL inspection, web filtering, and secure internet access controls.
• Manage Infoblox DNS, DHCP, and IPAM services to ensure reliable network address management and name resolution.
• Configure and maintain F5 Load Balancers, SSL certificates, health monitors, virtual servers, and application delivery services.
• Collaborate with application, security, cloud, and infrastructure teams to support business initiatives and project requirements.
• Drive network standardization, technology refreshes, infrastructure upgrades, and continuous improvement activities.
• Coordinate with vendors, ISPs, and TAC teams for hardware, software, and service-related escalations.
• Review network capacity and performance trends and recommend proactive improvements.
• Develop and maintain technical documentation, network diagrams, implementation plans, and operational procedures.
• Mentor junior engineers and provide technical guidance during implementations, migrations, and troubleshooting activities.
• Ensure compliance with security policies, operational standards, and industry best practices.
• Support 24x7 operations and participate in on-call escalation activities as required.

Skills

Cisco & Arista switching

BGP/EVPN/VXLAN

Network troubleshooting

VLAN/STP/VRRP

OSPF/BGP/EIGRP/Static

Load balancing

Wireless networking

SD-WAN

Routing protocol knowledge

Network capacity planning

Tools

Infoblox

SolarWinds

ThousandEyes

Ansible

Zscaler ZIA

Blue Coat Proxy

F5 Load Balancers

Aruba Central/AirWave

Job description

What are the top 3 skills required for this role?

Cisco and Arista switching/routing; BGP/EVPN/VXLAN; Network troubleshooting; DDI (Infoblox); SolarWinds/ThousandEyes; Ansible; manufacturing LAN:wireless networking; load balancing; Aruba Central/AirWave; SD-WAN; F5/load balancers; Cisco Catalyst, Nexus, and Arista Switching Technologies. VLAN, STP, VTP, Port-Channels, Stacking, HSRP, VRRP. Routing Protocols: OSPF, BGP, EIGRP, Static Routing, Route Redistribution

Job Description/ Responsibilities

• Design, implement, and support secure, scalable, and highly available enterprise network solutions.
• Lead network operations and provide technical leadership for Routing, Switching, Wireless, SD-WAN, Proxy Security, and DDI/F5 environments.
• Troubleshoot and resolve complex Layer 2, Layer 3, wireless, and security-related network issues.
• Manage and optimize enterprise LAN/WAN infrastructure to achieve maximum availability and performance.
• Lead major incident management activities and perform root cause analysis for critical outages.
• Design, deploy, and optimize Wireless LAN infrastructure, including RF tuning, capacity planning, and security enhancements.
• Support and manage SD-WAN deployments, migrations, policy configurations, and overlay/underlay troubleshooting.
• Administer Zscaler ZIA and Bluecoat Proxy environments, including SSL inspection, web filtering, and secure internet access controls.
• Manage Infoblox DNS, DHCP, and IPAM services to ensure reliable network address management and name resolution.
• Configure and maintain F5 Load Balancers, SSL certificates, health monitors, virtual servers, and application delivery services.
• Collaborate with application, security, cloud, and infrastructure teams to support business initiatives and project requirements.
• Drive network standardization, technology refreshes, infrastructure upgrades, and continuous improvement activities.
• Coordinate with vendors, ISPs, and TAC teams for hardware, software, and service-related escalations.
• Review network capacity and performance trends and recommend proactive improvements.
• Develop and maintain technical documentation, network diagrams, implementation plans, and operational procedures.
• Mentor junior engineers and provide technical guidance during implementations, migrations, and troubleshooting activities.
• Ensure compliance with security policies, operational standards, and industry best practices.
• Support 24x7 operations and participate in on-call escalation activities as required.