Senior Network Engineer - Remote Cloud & DC Networking

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

Job summary

Cognizant Technology Solutions Corporation in the United States seeks a Senior Network Engineer to design, implement, secure, operate, and optimize enterprise datacenter, campus, branch, wireless, and hybrid-cloud networks.

You will work with F5 BIG-IP, Palo Alto, Cisco ACI/Nexus/Meraki, Azure/AWS networking, and Infoblox, leading incident troubleshooting, migrations, and lifecycle upgrades while collaborating with security, cloud, application, server, and architecture teams.

Qualifications

• Bachelor’s degree 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.

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

Communication skills

Incident coordination

Complex change management

Network troubleshooting

Education

Bachelor’s degree in computer science, Information Technology, Engineering, or equivalent practical experience

Tools

F5 BIG-IP LTM

Palo Alto firewalls/Panorama

Cisco ACI/APIC

Cisco Nexus

Cisco Meraki

Azure/AWS networking

Infoblox DNS/DHCP/IPAM

Wireshark/tcpdump

Job description

Cognizant Technology Solutions Corporation in the United States seeks a Senior Network Engineer to design, implement, secure, operate, and optimize enterprise datacenter, campus, branch, wireless, and hybrid-cloud networks.

You will work with F5 BIG-IP, Palo Alto, Cisco ACI/Nexus/Meraki, Azure/AWS networking, and Infoblox, leading incident troubleshooting, migrations, and lifecycle upgrades while collaborating with security, cloud, application, server, and architecture teams.