Senior Network Engineer - Cloud & Data Center

Threat X, Inc.; San Jose (CA); On-site; USD 131,000 - 160,000; Full time

Job summary

Threat X, Inc. is seeking a skilled Network Engineer to design, implement, and maintain our enterprise network across data centers, campuses, and cloud environments.

You will ensure high availability, performance, and security while supporting cross‑functional IT, security, and DevOps teams. Responsibilities include deploying LAN/WAN, configuring routers and firewalls, monitoring performance, and leading incident response.

Qualifications

• Bachelor’s degree in Computer Science, IT, or related field (or equivalent experience).
• 5–7 years of experience in network engineering or administration.
• Strong knowledge of TCP/IP, routing, and switching.
• Hands-on experience with Cisco, Juniper, Arista, or similar vendors.
• Familiarity with firewalls (Fortinet, Check Point, etc.).
• Experience with network monitoring tools (SolarWinds, Nagios, etc.).
• Cisco SD-Access Fabric
• Cisco ACI Fabric

Responsibilities

• Deploy, and manage LAN/WAN, wireless, and data center networks.
• Configure and manage routers, switches, firewalls, and load balancers.
• Monitor network performance, troubleshoot issues, and drive resolution with limited oversight.
• Support Cisco ACI Fabric in datacenters (Spine & Leaf Infrastructure).
• Support Cisco SD-Access Campus, including Wi-Fi 7.
• Lead the development of enterprise network health across A10 enterprise.
• Implement network security measures (VPNs, ACLs, IDS/IPS, segmentation).
• Support cloud networking (AWS, Azure, OCI) and hybrid environments.
• Perform network capacity planning and optimization.
• Maintain documentation for network architecture and configurations.
• Collaborate cross-functionally with IT, security, and DevOps teams on infrastructure projects.
• Participate in on-call rotation and incident response.

Skills

TCP/IP routing & switching

Network troubleshooting

Documentation & communication

Cross-functional collaboration

On-call / incident response

Education

Bachelor’s degree in Computer Science/IT or related field

Tools

Cisco equipment

Juniper equipment

Arista equipment

Network monitoring tools (SolarWinds, Nagios)

Firewalls (Fortinet, Check Point)

Job description

Threat X, Inc. is seeking a skilled Network Engineer to design, implement, and maintain our enterprise network across data centers, campuses, and cloud environments.

You will ensure high availability, performance, and security while supporting cross‑functional IT, security, and DevOps teams. Responsibilities include deploying LAN/WAN, configuring routers and firewalls, monitoring performance, and leading incident response.