Network SME/Lead (Switch)

TekCommands Inc; San Jose (CA); On-site; USD 150,000 - 210,000; Full time

Job summary

TekCommands Inc. is seeking a senior network engineer to design, implement, and support enterprise networks for high availability. You will lead routing, switching, wireless, SD-WAN, and security environments, troubleshoot complex L2/L3 issues, manage LAN/WAN, and drive optimization and documentation.

Collaborate with cross-functional teams, mentor junior staff, and participate in on-call rotations to maintain 24x7 operations and security compliance.

Qualifications

• Design and implement secure, scalable enterprise networks.
• Lead operations across Routing, Switching, Wireless, SD-WAN, Proxy Security, and DDI/F5.
• Troubleshoot Layer 2/3, wireless, and security network issues.

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

Network design & routing

LAN/WAN troubleshooting

Security best practices

Tools

Infoblox DNS/DHCP/IPAM

Zscaler ZIA

Blue Coat Proxy

F5 Load Balancers

Ansible

SolarWinds/ThousandEyes

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.