Senior Network Security Engineer: NGFW & Hybrid Cloud

CACI Ltd; Greater London; Hybrid; GBP 65,000 - 95,000; Full time

Job summary

CACI Ltd. in London seeks a Senior Network Security Engineer to join the Network Team. You will lead deployment and planning of client network infrastructure, implementing secure, scalable changes across DC services.

Responsibilities include designing LAN deployments, documenting RFCs and change verification, and ensuring uptime through thoughtful change planning. Fortinet expertise and NSE-certified skills are highly valued.

Qualifications

• Experience in a network security deployment/migration environment.
• Able to manage complex policies, user- or app-based rules.
• Experience in deploying NGFW in hybrid cloud environments.
• Extensive experience working on Fortinet firewalls.
• Able to implements IDS/IPS, user-ID, SSL inspection.
• Designs enterprise VPN hubs, multi-factor access, high-availability tunnels.
• Good knowledge of routing and switching.
• Strong Firewall Experience

Responsibilities

• Plan, manage and deploy technology changes to support DC services
• Deploy LAN infrastructure to support end user services requirements
• Create implementation plans for RFC’s to a high level of detail
• Correctly document pre and post checks for change verification purposes
• Understand and document back out plans, clearly identifying back out points
• Identify points of no return
• Support the stability and uptime of essential services by planning changes with a documented best approach mind set
• Identify where changes can be complete with zero downtime to hosted services
• Plan and implement changes with a cost effective resource strategy
• Identify, understand and document change risks and mitigation tactics
• Identify, understand and document impact of planned technology changes, including documentation expected output from verification
• Document network estate for Operation Support and to support change planning
• Complete network diagrams to a high standard
• Peer review and validation of technical deployment plans
• Provide constructive feedback to peers to support change control requirement and maintain high standards of detail and quality offered by CACI.

Skills

Network security deployment

Fortinet firewalls

NGFW in cloud/hybrid

IDS/IPS

User-ID

VPN hubs design

High-availability tunnels

Routing and switching

Stakeholder engagement

Problem solving

Tools

Fortinet firewalls

NGFW

VPN hubs

SSL inspection

Job description

CACI Ltd. in London seeks a Senior Network Security Engineer to join the Network Team. You will lead deployment and planning of client network infrastructure, implementing secure, scalable changes across DC services.

Responsibilities include designing LAN deployments, documenting RFCs and change verification, and ensuring uptime through thoughtful change planning. Fortinet expertise and NSE-certified skills are highly valued.