Job Title:Network Security Engineer (Cisco ISE)Location:Dublin (Hybrid – 3 Days Onsite / 2 Days Remote)Job Type:Full-Time, PermanentSalary:€60,000 – €65,000 + Standard BenefitsOverview:A leading organisation in Dublin is seeking an experiencedNetwork Security Engineerto join its infrastructure team on apermanent, full-time basis. This position offers ahybrid working model, with three days onsite and two remote, and provides an excellent opportunity for a motivated professional to work with enterprise-grade network security technologies in a dynamic environment.Role Summary:The successful candidate will be responsible for the design, implementation, and support of secure network infrastructure, with a strong focus onCisco ISE,wireless technologies, androuting & switching. This is a hands-on technical role that will suit someone with a solid background in Cisco networking and a proactive approach to problem-solving.Key Responsibilities:Configure, manage, and maintain Cisco ISE for network access control and policy enforcement.Support and optimise wireless networking infrastructure across multiple sites.Maintain and troubleshoot routing and switching infrastructure (Cisco-based).Monitor network performance and security, responding to incidents and implementing improvements.Work collaboratively with internal teams to ensure secure, reliable connectivity across the organisation.Document configurations, changes, and processes in line with IT standards.Candidate Requirements:Minimum of 3 years' experience in a network engineering or network security role.Strong hands-on experience with Cisco ISE (design, deployment, and management).Solid understanding of wireless networks, including configuration and performance tuning.Proficient in routing and switching protocols (e.g., BGP, OSPF, VLANs, STP).Familiar with network monitoring and diagnostic tools.Cisco certifications (e.g., CCNP Security, CCNP Enterprise, or equivalent) are advantageous.Offer & Benefits:Salary: €60,000 – €65,000, depending on experienceStandard benefits package, including pension, healthcare, and annual leaveHybrid working model : 3 days in-office, 2 days remoteOpportunity to work in a collaborative environment with modern network technologies