Remote Senior Network Engineer - L3 & Cloud/DC

Cognizant Technology Solutions Corporation; Salt Lake City (UT); A distancia; USD 99.000 - 116.000; Jornada completa

Descripción de la vacante

Cognizant is seeking a Senior Network Engineer to design, implement, secure, operate, and optimize enterprise networks across datacenters, campuses, branches, wireless, and hybrid-cloud environments. The role requires hands-on expertise with F5 BIG-IP, Palo Alto, Cisco ACI/Nexus/Meraki, and cloud networking.

The engineer serves as an L3 escalation point, leads major incidents, migrates and upgrades systems, performs root-cause analyses, and collaborates with security, cloud, server, and

Formación

• Bachelor’s degree in computer science, IT, engineering, or equivalent practical experience.
• 8+ years of enterprise network engineering experience, including at least 3 years in a senior or L3 role.
• Advanced knowledge of TCP/IP, IPv4/IPv6, VLANs, STP, vPC, HSRP/VRRP, OSPF, BGP, VPN, QoS, NAT, wireless networking, and packet analysis.
• Hands-on production experience with F5 BIG-IP LTM, Palo Alto firewalls/Panorama, Cisco ACI/APIC, Cisco Nexus, and Cisco Meraki.
• Practical Azure and/or AWS networking experience, including private connectivity to on-premises environments.
• Hands-on DNS, DHCP, and IPAM experience with Infoblox or a comparable enterprise DDI solution.
• Experience with Wireshark, tcpdump, network monitoring, ITIL incident/problem/change processes, and technical documentation.
• Strong communication skills and the ability to coordinate high-severity incidents and complex changes.

Responsabilidades

• Own complex P1/P2 incidents involving routing, switching, wireless, firewalls, load balancing, DNS, DHCP, IPAM, VPN, SD-WAN, and hybrid-cloud connectivity.
• Lead troubleshooting bridges, analyze packet captures and telemetry, restore service, document root cause, and implement permanent corrective actions.
• Prepare and execute implementation, validation, risk, dependency, and rollback plans for production changes and maintenance windows.
• Maintain network diagrams, standards, operating procedures, inventory, capacity plans, lifecycle roadmaps, and disaster-recovery documentation.
• Participate in on-call support, vulnerability remediation, compliance reviews, and vendor escalation activities.

Conocimientos

Network engineering

Incident management

Troubleshooting

Communication

ITIL processes

Educación

Bachelor’s degree in Computer Science or equivalent practical experience

Herramientas

F5 BIG-IP LTM

Palo Alto firewalls/Panorama

Cisco ACI/APIC

Cisco Nexus

Cisco Meraki

Azure/AWS networking

Infoblox DDI

Wireshark

Descripción del empleo

Cognizant is seeking a Senior Network Engineer to design, implement, secure, operate, and optimize enterprise networks across datacenters, campuses, branches, wireless, and hybrid-cloud environments. The role requires hands-on expertise with F5 BIG-IP, Palo Alto, Cisco ACI/Nexus/Meraki, and cloud networking.

The engineer serves as an L3 escalation point, leads major incidents, migrates and upgrades systems, performs root-cause analyses, and collaborates with security, cloud, server, and