Head of Security

4 weeks ago

Dublin, Ireland Reperio Human Capital Ltd Full time

Head of Security & Network Operations Location: Dublin Type: Full-Time | €90,000 - €110,000 DOE A growing technology-focused organisation in Dublin is seeking an experienced Security & Network Lead to take ownership of its internal infrastructure, security controls, and network operations. This is a senior hands-on leadership role where you'll guide overall security direction, manage a small technical team, and ensure the company's systems remain stable, secure, and scalable as the business expands. You'll have responsibility across security engineering, network design, incident handling, tooling improvements, and long-term strategic planning. Key Responsibilities Oversee the design, maintenance, and evolution of all internal network and security systems. Develop and refine security policies, processes, and standards across the business. Manage firewalls, endpoint security platforms, logging solutions, and vulnerability tooling. Lead periodic reviews, assessments, and testing to identify weaknesses and implement fixes. Coordinate and guide response activities when security events occur. Drive continuous improvements to identity management, access controls, and monitoring. Maintain a reliable network environment (LAN, WAN, VPN, wireless) and resolve performance or capacity issues. Work with senior stakeholders to align infrastructure and security roadmaps with business needs. Manage vendor relationships and support accreditation or compliance initiatives where required. Skills & Experience 7+ years in IT with strong exposure to both security operations and network engineering. Previous experience in a senior, lead, or managerial capacity. Strong understanding of enterprise networking technologies (routing, VLANs, access policies, VPNs). Experience with major security platforms (endpoint protection, SIEM, firewalls, monitoring tools). Familiarity with cloud environments (Azure, AWS, or GCP). Knowledge of recognised security frameworks such as ISO 27001, NIST, or CIS. Strong communication skills, with the ability to interface with technical teams and leadership. Security or network certifications (CISSP, CISM, CCNP, Security+, etc.) are beneficial but not required If you'd like to learn more, please reach out to Daniel McIvor at Reperio in confidence Reperio Human Capital acts as an Employment Agency and an Employment Business. Skills: Security Network Engineering Infrastructure Management SIEM Access Management ISO27001 Benefits: Work From Home

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