Senior Network Engineer Job at Cognizant in San Jose
Cognizant, San Jose, CA, United States
Cognizant is seeking a Senior Network Engineer for a full-time opportunity onsite, working from the office in San Jose, CA. Qualified applicants must be authorized to work in the US without sponsorship. Please note, this role is not able to offer visa transfer or sponsorship now or in the future .
Responsibilities
Core Network Administration
Implement firewalls, switches, and SD‑WAN appliances to support WAN connectivity and network segmentation.
Adds, Changes, and Deletes related to network infrastructure.
VLAN assignments, port provisioning, and access configuration changes.
Routing, segmentation updates, and interface configuration adjustments.
Configure Policy, ACL, routing, and segmentation maintenance.
Implement VLANs and subnets to support expanding network architecture while maintaining security and efficiency.
Implement and maintain LAN and WAN configurations including QoS, NTP, SNMP/Telemetry, and NetFlow.
Firewall Administration & Security Operations
Deploy new Palo Alto firewalls into the enterprise network environment.
Implement security policies, NAT rules, URL filtering, and VPN configurations (site‑to‑site, remote access).
Manage users, objects, and security configurations across firewall management platforms.
Implement centralized panorama management operations, including template and stack management.
Perform vulnerability mitigation for network operating systems and configurations and perform software upgrade.
Wireless Network Support
Configure SSIDs, enterprise authentication (WPA2/WPA3), and RADIUS integration.
Manage wireless profiles, access updates, and SSID modifications.
Troubleshoot wireless connectivity issues and optimize wireless performance.
Qualifications
Expert knowledge of firewalls, routing, switching, wireless, and configurations with major network vendors (Cisco, Palo Alto, HPE, Fortinet, etc.).
8 years of experience with Network Access Controls.
Experience with wire health monitoring tools like 7 Signal.
Knowledge about Cisco Identity Services Engine (ISE).
Exposure to vulnerabilities tools, fixing and remediation.
The salary range for this role is between $99,000 and $125,000 depending on skills, experience and qualifications of the candidate. Applications will be accepted till 3/22/2026.
#J-18808-Ljbffr
In Summary: Cognizant is seeking a Senior Network Engineer for a full-time opportunity onsite, working from the office in San Jose, CA . The salary range for this role is between $99,000 and $125,000 depending on skills, experience and qualifications of the candidate . Qualified applicants must be authorized to work in the US without sponsorship .
En Español: Cognizant está buscando un ingeniero de red senior para una oportunidad a tiempo completo en el lugar, trabajando desde la oficina en San Jose, CA. Los solicitantes calificados deben estar autorizados para trabajar en los EE.UU. sin patrocinio. Por favor, tenga en cuenta que este papel no puede ofrecer transferencia de visado o patrocinio ahora ni en el futuro. Responsabilidades Administradora de Red Corazón Implementar cortafuegos, interruptores y dispositivos SD-WAN para apoyar la conectividad WAN y segmentación de red. Agregar, Cambios y Eliminar relacionados con infraestructura de redes. asignaciones VLAN, provisión de puertos y cambios en configuración de acceso. Routing, actualizaciones de segregación y ajustes de configuración de interfaz. Política de Configuración, ACL, roteamiento y mantenimiento de segmento. Implemente VLANs y subnetos para soportar una arquitectura de red expansiva mientras se mantiene seguridad y eficiencia. Implementa y mantenga las configuraciones LAN y WAN incluyendo QoS, NTP, SNMP/Telemetría y NetFlow. Las solicitudes serán aceptadas hasta el 3/22/2026. #J-18808-Ljbffr.
Responsibilities
Core Network Administration
Implement firewalls, switches, and SD‑WAN appliances to support WAN connectivity and network segmentation.
Adds, Changes, and Deletes related to network infrastructure.
VLAN assignments, port provisioning, and access configuration changes.
Routing, segmentation updates, and interface configuration adjustments.
Configure Policy, ACL, routing, and segmentation maintenance.
Implement VLANs and subnets to support expanding network architecture while maintaining security and efficiency.
Implement and maintain LAN and WAN configurations including QoS, NTP, SNMP/Telemetry, and NetFlow.
Firewall Administration & Security Operations
Deploy new Palo Alto firewalls into the enterprise network environment.
Implement security policies, NAT rules, URL filtering, and VPN configurations (site‑to‑site, remote access).
Manage users, objects, and security configurations across firewall management platforms.
Implement centralized panorama management operations, including template and stack management.
Perform vulnerability mitigation for network operating systems and configurations and perform software upgrade.
Wireless Network Support
Configure SSIDs, enterprise authentication (WPA2/WPA3), and RADIUS integration.
Manage wireless profiles, access updates, and SSID modifications.
Troubleshoot wireless connectivity issues and optimize wireless performance.
Qualifications
Expert knowledge of firewalls, routing, switching, wireless, and configurations with major network vendors (Cisco, Palo Alto, HPE, Fortinet, etc.).
8 years of experience with Network Access Controls.
Experience with wire health monitoring tools like 7 Signal.
Knowledge about Cisco Identity Services Engine (ISE).
Exposure to vulnerabilities tools, fixing and remediation.
The salary range for this role is between $99,000 and $125,000 depending on skills, experience and qualifications of the candidate. Applications will be accepted till 3/22/2026.
#J-18808-Ljbffr
In Summary: Cognizant is seeking a Senior Network Engineer for a full-time opportunity onsite, working from the office in San Jose, CA . The salary range for this role is between $99,000 and $125,000 depending on skills, experience and qualifications of the candidate . Qualified applicants must be authorized to work in the US without sponsorship .
En Español: Cognizant está buscando un ingeniero de red senior para una oportunidad a tiempo completo en el lugar, trabajando desde la oficina en San Jose, CA. Los solicitantes calificados deben estar autorizados para trabajar en los EE.UU. sin patrocinio. Por favor, tenga en cuenta que este papel no puede ofrecer transferencia de visado o patrocinio ahora ni en el futuro. Responsabilidades Administradora de Red Corazón Implementar cortafuegos, interruptores y dispositivos SD-WAN para apoyar la conectividad WAN y segmentación de red. Agregar, Cambios y Eliminar relacionados con infraestructura de redes. asignaciones VLAN, provisión de puertos y cambios en configuración de acceso. Routing, actualizaciones de segregación y ajustes de configuración de interfaz. Política de Configuración, ACL, roteamiento y mantenimiento de segmento. Implemente VLANs y subnetos para soportar una arquitectura de red expansiva mientras se mantiene seguridad y eficiencia. Implementa y mantenga las configuraciones LAN y WAN incluyendo QoS, NTP, SNMP/Telemetría y NetFlow. Las solicitudes serán aceptadas hasta el 3/22/2026. #J-18808-Ljbffr.