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Job Title


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


Company : CACI Ltd


Location : London, England


Created : 2025-05-05


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 Bank’s 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 client’s infrastructure to meet current and future business demands:-Required skillsGood level of Cisco Routing & SwitchingStrong CCNA or CCNP certification or equivalent experienceExperience with Fortinet FirewallsFirewall Migration experience, FortiAnalyzer, FortiConverter, FortiManager.Ability to handle numerous separate projects concurrentlyA 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 VisioGood customer facing skills with the ability to keep the customer informed at all times and understand their requirementsThis 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 ACIFortinet NSE4 Certification or aboveExperience with EVPNCheckpoint certification or equivalent experienceFortinet certification or equivalent experienceLoad Balancing Experience (F5)The role may have, but is not limited to the following functions:Plan, manage and deploy technology changes to support DC servicesDeploy LAN infrastructure to support end user services requirementsIncludes patching schedules for facilities to cable network equipmentDiagrams for Network OperationsInventory managementCreate implementation plans for RFC’s to a high level of detail.Correctly document pre and post checks for change verification purposesUnderstand and document back out plans, clearly identifying back out points.Identify points of no returnSupport 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 planningMaintain infrastructure databaseComplete network diagrams to a high standard.Peer review and validation of technical deployment plansProvide constructive feedback to peers to support change control requirement and maintain high standards of detail and quality offered by CACI.