ICT Security & Networks Administrator (FTO)

Role Profile Job title : ICT Security & Networks Administrator Division / Function : Finance, Technology and Risk / IT Reports to : Head of ICT Security & Networks Job Family : Technology Career Zone : Professional Career Stream : Support Professionals Contract Type : Permanent

• Closing Date for Applications : Friday 3rd October 2025
• Summary of the Business The National Treasury Management Agency (NTMA) provides asset and liability management services to the Irish Government. It has evolved from a single function agency managing the National Debt to a manager of a complex portfolio of public assets and liabilities. Businesses managed by the NTMA include borrowing for the Exchequer and the management of the National Debt, the State Claims Agency, the New Economy and Recovery Authority ("NewERA"), the Ireland Strategic Investment Fund, National Development Finance Agency and the NTMA Future Ireland Funds business unit with responsibility for the management of the Future Ireland Fund and Infrastructure, Climate and Nature Fund . The NTMA also assigns staff to the National Asset Management Agency, the Strategic Banking Corporation of Ireland (SBCI) and Home Building Finance Ireland (HBFI). Working at the NTMA offers excellent benefits including : Flexible work options including hybrid working and variable work hours An extensive wellbeing programme Excellent learning and development opportunities that allow for full career development within the organisation A diverse range of initiatives : LGBT+, Gender Matters, Disability Awareness, Sports & Social, Volunteering and lots more Reimbursement of annual professional membership fees Career average Defined Benefit Pension Scheme Role Summary The role of the ICT Security & Networks Administrator, reporting to the Head of ICT Cyber Security & Networks, is to participate in delivering and maintaining the confidentiality, integrity and high availability of NTMA data and services to the business in a hybrid network model. The ICT Security & Networks Administrator will assist in the configuration and management of networking and data communications infrastructure on premise and in a hybrid cloud environment. The role will also work with in a team assisting in the management of ICT Security technologies with a strong focus on network management, response to security system alerts and suspicious network activity. The role requires the individual maintains knowledge of relevant technical systems and professional certifications, keeping up to date on security and network risks, trends, and process innovations and their application to the security of the Agency's business systems. Principal Accountabilities The ICT Security & Networks Administrator will participate in managing and maintaining a secure network infrastructure and communication systems across the Agency with a strong emphasis on availability, security practices and monitoring tools. Duties will include, but not limited to, assisting with the following tasks : Administration and support of network security control tools including firewalls, network access management and other network security elements Assist in evaluating security of new products and services (on premise and cloud services) Troubleshoot and analyse network security on various technologies Monitor security system logs and reports for anomalies and problems Support network security and system auditing and vulnerability assessments activities Participate in remediation and mitigation of detected vulnerabilities Required Qualifications Bachelor Degree in Computing, Engineering or equivalent qualification or experience Certification / Qualifications in industry recognised Network and Security disciplines The following would be a distinct advantage : Cisco CCNA / CCNP, Fortinet Certifications, Checkpoint CCSA, Palo Alto Microsoft Network, Security, or Cloud certifications Any relevant networking and IT security qualifications Experience Minimum of 5 years' experience working in a network security administration role for a medium size organisation Solid knowledge and understanding of LAN, WAN, DMZ, VPN and DNS network technologies and protocols Solid experience supporting network security management solutions Solid knowledge and understanding of Public Key Infrastructure (PKI) Working experience with security technologies such as Fortinet and Checkpoint Working experience with web and email content filters, Intrusion Prevention Systems (IPS) Solid understanding of cloud networking and security concepts Experience with cloud-based security solutions and best practice Familiarity with security frameworks such as NIST, ISO 27001, and CIS Experience working with ticketing tools for Incident, Change & Problem Management Experience in the following areas would be a distinct advantage : Experience supporting technologies include CISCO and Palo Alto Experience with network security monitoring tools such as SIEM and NDR Experience with Access and Identity Management and Privileged Assessment Management solutions Experience with Microsoft Azure, including Azure Virtual Networks, Azure Firewall, and Azure Security Centre. Skills Aptitude for solving problems and acting on own initiative. Strong team player with a flexible approach. Highly motivated with a willingness to adapt and learn new skills. Effective communicator, both written and oral, with a positive and confident attitude. Pension Abatement If an appointee has previously been employed in the Civil or Public Service and that appointee is entitled to or in receipt of a pension from the Civil or Public Service or where a Civil / Public Service pension comes into payment during the appointee's re-employment that pension will be subject to abatement in accordance with Section 52 of the Public Service Pensions (Single Scheme and other Provisions) Act 2012. Please note : In applying for this position, you are acknowledging that you understand that the abatement provisions, where relevant, will apply. It is not envisaged that the employing Department / Office / Body will support an application for an abatement waiver in respect of appointments to this position. Applicants will be required to complete a pre-employment declaration to confirm whether they have previously availed of a Public sector pension scheme. The NTMA is proud to be an equal opportunities employer. We recognise that a diverse and inclusive workplace informs better decision making, creative thinking, innovation and drives business performance. We are strongly committed to ensuring that our workforce is representativeof our society. The NTMA is proud to be an equal opportunities employer. We recognise that a diverse and inclusive workplace informs better decision making, creative thinking, innovation and drives business performance. We are strongly committed to ensuring that our workforce is representative of our society. To be considered for this role you will be redirected to and must complete the application process on our careers page. To start the process click the Continue to Application or Login / Register to apply button below.