Senior Network Engineer — Hybrid Cloud & Security Leader

Cognizant Technology Solutions Corporation

Oklahoma City (OK)

On-site

USD 99,000 - 115,000

Full time

2 days ago

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Benefits offered by this job

Medical/Dental/Vision/Life Insurance

Paid holidays + PTO

401(k) plan and contributions

Long-term/Short-term Disability

Paid Parental Leave

Employee Stock Purchase Plan

Job summary

Cognizant Technology Solutions Corporation in Oklahoma City invites an experienced Senior Network Engineer to design, implement, secure, operate, and optimize enterprise networks across data centers and campuses. You’ll lead major incidents, migrations, and lifecycle upgrades with a focus on F5 BIG-IP, Palo Alto, Cisco ACI/Nexus/Meraki, and cloud networking.

The role requires hands-on expertise, strong RCA skills, and collaboration across security, cloud, application, server, and architecture

Qualifications

Bachelor's degree in Computer Science, Information Technology, 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.

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.