Senior Network Engineer - Remote & Cloud Networking Lead

Cognizant Technology Solutions Corporation; Augusta (ME); 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 datacenter, campus, branch, wireless, and hybrid-cloud networks. The role requires advanced hands-on expertise in F5 BIG-IP, Palo Alto Networks, Cisco ACI, Cisco Nexus, Cisco Meraki, cloud networking, and enterprise DDI platforms.

You will serve as an L3 escalation point, lead major incidents, perform migrations and lifecycle upgrades, and collaborate with security, cloud, application,

Qualifications

• Bachelor’s degree in computer science, Information Technology, Engineering, or equivalent practical experience.
• 8+ years 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.

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

L3 incident management

F5 BIG-IP

Palo Alto firewalls

Cisco ACI

Cisco Nexus

Cisco Meraki

Azure networking

AWS networking

DNS/DHCP/IPAM

Education

Bachelor's degree in CS/IT/Engineering

Tools

Infoblox

Wireshark

tcpdump

Terraform

Ansible

Job description

Cognizant is seeking a Senior Network Engineer to design, implement, secure, operate, and optimize enterprise datacenter, campus, branch, wireless, and hybrid-cloud networks. The role requires advanced hands-on expertise in F5 BIG-IP, Palo Alto Networks, Cisco ACI, Cisco Nexus, Cisco Meraki, cloud networking, and enterprise DDI platforms.

You will serve as an L3 escalation point, lead major incidents, perform migrations and lifecycle upgrades, and collaborate with security, cloud, application,