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Job Title


Senior Network Security Engineer (Deployment) - Fortinet NSE4 or above


Company : CACI Ltd


Location : London, UK


Created : 2025-04-14


Job Type : Full Time


Job Description

A Senior Network Security Engineer is required to join the London Deployment Team, responsible for the deployment and planning of the Banks network infrastructure in the UK, Middle-East, Africa and India. The team is responsible for the delivery and deployment of network/security projects and requests to enhance the clients infrastructure to meet current and future business demands:- Required skills Good level of Cisco Routing & Switching Strong CCNA or CCNP certification or equivalent experience Experience with Fortinet Firewalls Firewall Migration experience, FortiAnalyzer, FortiConverter, FortiManager. Ability to handle numerous separate projects concurrently A very organised individual. Ability to work under pressure and to tight deadlines whilst maintaining attention to detail. Analyse, review and understand network topologies. Coordinate multiple projects, change management and governance efficiently working both independently and as a member of a team. Good understanding of networking principles, Good documentation skills using MS Office suite and Visio Good customer facing skills with the ability to keep the customer informed at all times and understand their requirements This role is suitable for a Security Engineer who has at least 3 years as a Senior Project Engineer in a professional environment. Desired skills (not essential) Experience with Cisco ACI Fortinet NSE4 Certification or above Experience with EVPN Checkpoint certification or equivalent experience Fortinet certification or equivalent experience Load Balancing Experience (F5) The role may have, but is not limited to the following functions: Plan, manage and deploy technology changes to support DC services Deploy LAN infrastructure to support end user services requirements Includes patching schedules for facilities to cable network equipment Diagrams for Network Operations Inventory management Create implementation plans for RFCs 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 Maintain infrastructure database 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.