Systems Administration-Network & Cybersecurity

Job Title: Senior IT Infrastructure & Cybersecurity Administrator Job Summary We are seeking an experienced Senior IT Infrastructure & Cybersecurity Administrator to manage, maintain, and secure the organization's IT infrastructure, including servers, networks, virtualization platforms, cloud services, and cybersecurity solutions. The ideal candidate will have strong hands-on experience in IT infrastructure and network administration, combined with practical cybersecurity expertise in security monitoring, incident investigation, vulnerability management, and security hardening. Experience Requirements: - Minimum 8 years of experience in IT Infrastructure and Network Administration. - At least 2–3 years of hands-on experience in Cybersecurity. - Proven experience managing enterprise IT infrastructure, networks, and security technologies. Education Qualifications: - Bachelor's degree in information technology, Computer Science, Cybersecurity, Computer Engineering, or a related field. Technical Skills & Competencies Systems Administration - Strong experience in Windows Server administration. - Administration of Active Directory, DNS, DHCP, and Group Policy. - Microsoft 365 administration and support. - Experience with virtualization platforms such as VMware or Hyper-V. - Administration and monitoring of backup and disaster recovery solutions. - Patch management and system updates. - System performance monitoring and troubleshooting. Network Administration - Strong knowledge of switching and routing fundamentals. - Experience with VLANs, network configuration, and troubleshooting. - Firewall administration and management. - VPN configuration, administration, and support. - Wireless network management and troubleshooting. - Monitoring and maintaining network availability and performance. Cybersecurity Skills - Security monitoring and incident investigation. - Experience with SIEM monitoring, log analysis, and security alert investigation. - Conducting vulnerability scanning and following up on remediation activities. - Knowledge of endpoint protection and security solutions, including EDR/antivirus platforms. - System and network security hardening. - Identity and access management, including user access and privilege controls. - Basic understanding of cybersecurity frameworks, standards, and compliance requirements. - Ability to identify, analyze, and respond to cybersecurity threats and incidents. Primary Responsibilities: - Manage and maintain servers, operating systems, virtualization platforms, and Microsoft 365 services. - Administer and support the organization's network infrastructure, including switches, routers, firewalls, VPNs, and wireless networks. - Monitor system and network performance to ensure high availability, reliability, and security. - Monitor cybersecurity tools and investigate security alerts and potential incidents. - Perform security log analysis and support incident investigation and response activities. - Conduct vulnerability assessments and coordinate with relevant teams to ensure timely remediation. - Implement and maintain system and network security controls, including security hardening and access management. - Manage backup solutions and support disaster recovery and business continuity activities. - Perform patch management and ensure systems are updated against known vulnerabilities. - Troubleshoot and resolve infrastructure, network, system, and cybersecurity incidents. - Maintain accurate technical documentation, including system configurations, network diagrams, procedures, and incident records. - Support cybersecurity compliance requirements and participate in security improvement initiatives. - Work closely with IT and cybersecurity teams to continuously enhance the organization's infrastructure security and operational resilience. Preferred Certifications: - Microsoft Certified - Microsoft Azure Certified - CCNA - CompTIA Security+ - Fortinet NSE / FCP - Microsoft Security Certification - Other relevant infrastructure or cybersecurity certifications are an advantage. Required Skills & Abilities - Strong analytical and troubleshooting skills. - Ability to manage multiple infrastructure and security-related tasks effectively. - Strong knowledge of IT infrastructure, networking, and cybersecurity principles. - Ability to investigate and respond to technical and security incidents. - Good communication and documentation skills. - Ability to work independently and collaboratively within IT and cybersecurity teams. - Strong attention to detail and commitment to maintaining secure and reliable IT operations.

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