Network Engineer
Confirmed on the employer's own hiring board on Nov 8, 2026. First seen by Alion on Nov 3, 2026. Cognizant scores A on the Alion truth index.
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