Network Security Consultant - Platform Migrations & On-Call

Cognizant; Warrington; Sur place; GBP 60 000 - 90 000; Plein temps

Résumé du poste

Cognizant is seeking Network Security Consultants to join its Cybersecurity Practice in the United Kingdom. You will administer and maintain firewall, load balancer, proxy, NAC and MFA technologies, and execute changes through formal change management.

You will support migrations, conduct build/test/cutover activities under L3 direction, maintain rollback plans, and contribute to knowledge bases. You will act as final escalation point across towers, owning design and governance for migrations.

Qualifications

• Experience with firewalls, load balancers, proxies, NAC and MFA in enterprise environments.
• Ability to execute changes via formal change management and resolve incidents per SLA.
• Experience with platform migrations, build/test/cutover activities and rollback planning.
• Comfort working in critical-infrastructure environments with compliance sensitivity.
• Willingness to work across multiple platforms and on-call shifts.

Responsabilités

• Administer and maintain firewall, load balancer, proxy, NAC and MFA technologies.
• Execute changes through change management; test before production; resolve L1/L2 incidents within SLA; perform root cause analysis.

Connaissances

Firewall admin

Load balancer

Proxy security

NAC

MFA

Incident response

Change mgmt

On-call rotation

Platform migrations

Automation

SIEM/XDR

Vulnerability mgmt

Description du poste

Cognizant is seeking Network Security Consultants to join its Cybersecurity Practice in the United Kingdom. You will administer and maintain firewall, load balancer, proxy, NAC and MFA technologies, and execute changes through formal change management.

You will support migrations, conduct build/test/cutover activities under L3 direction, maintain rollback plans, and contribute to knowledge bases. You will act as final escalation point across towers, owning design and governance for migrations.