Ict Security Engineer

Role Summary The ICT Security Engineer is responsible for the administration, configuration, hardening, and security of the organisation's IT infrastructure. This role encompasses end-to-end system lifecycle management —from physical rack and stack installation through to secure configuration, ongoing maintenance, and incident response. The engineer ensures that all systems meet security baselines and compliance requirements while maintaining operational reliability. Key Responsibilities System Administration • Administer and maintain servers, operating systems, and network infrastructure (Windows Server, Linux/Unix). • Monitor system performance, uptime, and capacity; plan and implement upgrades as required. • Manage user accounts, access controls, and directory services (Active Directory, LDAP). • Perform routine maintenance including patching, backups, and system health checks. • Document system configurations, changes, and procedures in accordance with IT governance standards. Infrastructure Build &Deployment • Plan, build, and configure server environments in on-premises and/or cloud environments. • Perform physical installation of equipment including rack and stack, cabling, and power management. • Configure network devices such as switches, routers, and firewalls during infrastructure build-outs. • Coordinate with vendors and stakeholders for hardware procurement and deployment timelines. Security Engineering &Hardening • Develop and apply security baselines and configuration hardening standards (e.g. CIS Benchmarks, DISA STIGs). • Implement and maintain security controls including firewalls, IDS/IPS, endpoint protection, and SIEM solutions. • Conduct vulnerability assessments and remediateidentified risks in a timely manner. • Manage patch cycles and enforce software updatepolicies across all managed systems. • Configure and enforce encryption standards for data atrest and in transit. Troubleshooting &Incident Response • Diagnose and resolve hardware, sof…