Network Engineer

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

About the role
As a Network Engineer, you will make an impact by designing, deploying, and supporting global enterprise networks across on-premises, cloud, and hybrid environments. You will be a valued member of the Infrastructure & Network Engineering team, working collaboratively with architecture, security, and cloud teams to deliver scalable, secure, and high-performing connectivity aligned with regulatory frameworks.

In this role, you will:

• 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

  Work model

  We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 2 days per week in a Cognizant office in Glasgow

Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs. The working arrangements for this role are accurate as of the date of posting and may change based on business or client requirements.

• What you need to have to be considered
• 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

• What you can expect

  Opportunity to work on global, enterprise-scale network infrastructure
• Exposure to leading cloud platforms and modern network security practices
• Collaborative environment working with cross-functional infrastructure and security teams
• Ongoing development through certifications and learning opportunities
• Flexible working with some travel