Remote Senior Network Engineer - Cloud, F5 & Palo Alto

Cognizant Technology Solutions Corporation; Topeka (KS); Remote; USD 99,000 - 116,000; Full time

Job summary

Cognizant is seeking a Senior Network Engineer to design, implement, secure, operate, and optimize enterprise networks across datacenters, campuses, branches, and hybrid-cloud environments. You will lead major incidents, migrations, and lifecycle upgrades while coordinating with security, cloud, app, server, and architecture teams.

The role emphasizes hands-on expertise with F5 BIG-IP, Palo Alto, Cisco ACI/Nexus/Meraki, cloud connectivity, and Infoblox DDI.

Qualifications

• Bachelor’s degree in computer science, IT, engineering, or equivalent practical experience.
• 8+ years of enterprise network engineering experience, with at least 3 years in a senior or L3 role.
• Advanced knowledge of TCP/IP, IPv4/IPv6, VLANs, STP, 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-prem environments.
• Hands-on DNS, DHCP, and IPAM experience with Infoblox or a comparable enterprise DDI solution.

Responsibilities

• 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.

Skills

Strong communication

Incident coordination

Networking concepts

Education

Bachelor’s degree in CS/IT/Engineering

Tools

F5 BIG-IP LTM

Palo Alto firewalls/Panorama

Cisco ACI/APIC

Cisco Nexus

Cisco Meraki

Azure and AWS networking

Infoblox DNS/DHCP/IPAM

Wireshark/tcpdump

Job description

Cognizant is seeking a Senior Network Engineer to design, implement, secure, operate, and optimize enterprise networks across datacenters, campuses, branches, and hybrid-cloud environments. You will lead major incidents, migrations, and lifecycle upgrades while coordinating with security, cloud, app, server, and architecture teams.

The role emphasizes hands-on expertise with F5 BIG-IP, Palo Alto, Cisco ACI/Nexus/Meraki, cloud connectivity, and Infoblox DDI.