Senior Network & Security Engineer (Aruba ClearPass) Location: Dublin Type: Permanent, Full-time Salary: €80,000 - €115,000 DOE We're partnering with an organisation who are looking to add a Senior Network & Security Engineer with deep expertise in Aruba ClearPass. This role is suited to someone who owns secure access design and delivery across large, regulated environments and is comfortable acting as a technical authority. This is a hands-on senior engineering role with responsibility across NAC strategy, secure campus networks, and identity-aware network controls, supporting complex enterprise customers. The Role Lead the design, implementation, and optimisation of Aruba ClearPass across enterprise and campus networks Own advanced NAC architectures including 802.1X, profiling, posture assessment, and guest/BYOD access Act as the senior escalation point for ClearPass and access-control-related issues Integrate NAC with wider security and networking platforms (firewalls, identity providers, SIEM where appropriate) Provide technical leadership during delivery, upgrades, and complex troubleshooting Contribute to secure network design standards and best practices Produce and review high-quality technical documentation and designs Operate in environments aligned to recognised security and compliance frameworks (ISO 27001, NIST, PCI, etc.) Engage directly with senior technical stakeholders and delivery teams Experience & Skills Required: Significant hands-on experience with Aruba ClearPass in enterprise environments Strong background as a Senior Network & Security Engineer Proven delivery experience within regulated or compliance-driven environments Deep understanding of secure wired and wireless network design Strong troubleshooting capability across NAC, authentication, and access enforcement Comfortable working across multiple Dublin-based sites when required Certifications (or equivalent experience): Aruba ClearPass / Aruba Networking at Professional level or higher Juniper and/or Aruba enterprise networking certifications Nice to Have Expert-level exposure to Aruba or Juniper enterprise platforms Experience with additional security vendors (Palo Alto, Check Point, Cisco, etc.) CISSP, CEH, or similar security certification Experience designing access control for large, complex estates Reperio Human Capital acts as an Employment Agency and an Employment Business. Skills: security Network Security Dublin Clearpass Aruba Juniper Benefits: Work From Home