Overview
IT Security Systems Administrator Jobs in Dublin, County Dublin, Ireland at Stelfox Tech Recruitment
Title: IT Security Systems Administrator
Company: Stelfox Tech Recruitment
Location: Dublin, County Dublin, Ireland
IT Security Systems Administrator – Contract Role
Stelfox is working with a key client to hire an experienced IT Security Systems Administrator for a 6-month contract (with strong extension potential). This role is based in Dublin with a hybrid model – 3 days onsite required.
Key Responsibilities
- Lead infrastructure-related cyber security initiatives in a 24×7 environment
- Design scalable, resilient, and secure infrastructure solutions
- Manage vulnerability remediation and patching
- Deliver high-quality documentation for audits and compliance
- Implement high availability and disaster recovery strategies
- Collaborate with application teams to ensure secure, high-performing systems
- Mentor junior team members and support escalations
- Monitor infrastructure performance and ensure SLA adherence
- Continuously improve processes, resilience, and failover planning
Skills and Qualifications:
- 5+ years’ experience in Microsoft technologies within large enterprise environments
- Strong expertise in Windows Server (2019/2022/2025), Active Directory & Group Policy
- Solid understanding of networking, security principles, and backup solutions (NetBackup a plus)
- Certifications such as Security+, MCSA/MCP, or CCNA
- Experience with VMware, Linux (RedHat/OEL), or automation tools (Python, Ansible) is advantageous
- Strong analytical, problem-solving, and communication skills
- Experience working within ITIL or structured environments
- Third-level IT qualification (or equivalent experience)
- Security+ or Microsoft Certified Information Security Administrator Associate (M365/Azure focus preferred)
If you are interested in this role, click 'apply' to send an updated copy of your CV to Honey Rathore or email [email protected] for more details.
