Global Network Engineer - Hybrid, SD-WAN & Cloud

Cognizant Technology Solutions Corporation; Blantyre; Hybrid; GBP 55,000 - 75,000; Full time

Job summary

Cognizant Technology Solutions Corporation in the United Kingdom seeks a Network Engineer to design, deploy, and support global enterprise networks across on‑premises, cloud, and hybrid environments. You will join the Infrastructure & Network Engineering team and collaborate with architecture, security, and cloud teams.

The role emphasizes high availability, security, QoS, and multi-site connectivity, with a hybrid model requiring two days per week in the Glasgow office.

Qualifications

• Strong experience managing enterprise networks across LAN, WAN, SD-WAN, and cloud environments.
• Hands-on expertise with Cisco Catalyst 9000 series (9200, 9300, 9400) switching.
• Experience with Palo Alto firewalls including policy management and Panorama.
• Proven experience with network automation using Ansible.
• Solid understanding of network security frameworks (GDPR, Cyber Essentials, NIST SP 800-171) and implementation of security controls.
• Experience supporting hybrid and multi-cloud networking (AWS VPCs and Azure Virtual Networks).
• Experience using monitoring and diagnostic tools such as Zabbix and Wireshark.
• CCNP certification (or equivalent).
• Nice to have / Desirable
• Experience managing enterprise wireless networks in high-density environments.
• Exposure to Microsoft 365 network optimization and SaaS connectivity.
• Experience supporting global, multi-site network environments.

Responsibilities

• Operate and maintain global network infrastructure (WAN, LAN, SD-WAN, wireless, and VPN) ensuring high availability, performance, and secure service delivery.
• Configure and standardize enterprise network components including routers, switches, firewalls, and VPN services
• Support multi-site connectivity across corporate offices, remote locations, and remote users, including troubleshooting, capacity planning, and optimization
• Implement and optimize Quality of Service (QoS) to ensure performance for critical business applications
• Define and enforce network security controls and standards to reduce cyber risk and prevent unauthorized access

Skills

Enterprise networks

Catalyst 9000 switching

Palo Alto firewalls

Network automation

Security frameworks

Multi-cloud networking

Monitoring tools

CCNP

Wireless networks (HD)

MS 365 networking

Global, multi-site networks

Tools

Zabbix

Wireshark

Job description

Cognizant Technology Solutions Corporation in the United Kingdom seeks a Network Engineer to design, deploy, and support global enterprise networks across on‑premises, cloud, and hybrid environments. You will join the Infrastructure & Network Engineering team and collaborate with architecture, security, and cloud teams.

The role emphasizes high availability, security, QoS, and multi-site connectivity, with a hybrid model requiring two days per week in the Glasgow office.