Senior Network Engineer (Remote) — Hybrid Cloud & DC Networking

Cognizant Technology Solutions Corporation; City of Albany (NY); Remote; USD 99,000 - 116,000; Full time

Job summary

Cognizant Technology Solutions Corporation seeks a Senior Network Engineer to design, implement, secure, operate, and optimize enterprise datacenter, campus, branch, wireless, and hybrid-cloud networks. This role demands hands-on expertise with F5 BIG-IP, Palo Alto, Cisco ACI/Nexus/Meraki, cloud networking, and DDI platforms.

You will lead major incidents, migrations, and lifecycle upgrades, while collaborating with security, cloud, server, and architecture teams.

Qualifications

• Bachelor’s degree in computer science, information technology, engineering, or equivalent practical experience.
• 8+ years of enterprise network engineering, with 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.
• 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, including private connectivity to on-prem.
• Hands-on DNS, DHCP, IPAM with Infoblox or similar.
• Experience with Wireshark, tcpdump, network monitoring, ITIL processes, and documentation.
• Strong communication skills to coordinate high-severity incidents and complex changes.

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

F5 BIG-IP

Palo Alto

Cisco ACI

Cisco Nexus

Meraki

Azure networking

AWS networking

DNS/DHCP/IPAM

Wireshark

Incidents management

Education

Bachelor's degree in CS/IT/Engineering

Tools

Infoblox DDI

Job description

Cognizant Technology Solutions Corporation seeks a Senior Network Engineer to design, implement, secure, operate, and optimize enterprise datacenter, campus, branch, wireless, and hybrid-cloud networks. This role demands hands-on expertise with F5 BIG-IP, Palo Alto, Cisco ACI/Nexus/Meraki, cloud networking, and DDI platforms.

You will lead major incidents, migrations, and lifecycle upgrades, while collaborating with security, cloud, server, and architecture teams.