System Administrator

Key Responsibilities

Server & Infrastructure Administration

 

• Install, configure, maintain, and patch Windows Server (and Linux where applicable) across physical and virtual environments.
• Administer virtualization platforms (VMware vSphere / Microsoft Hyper-V), managing host resources, capacity, and virtual machine lifecycle.
• Manage server hardware and storage (SAN/NAS) to ensure optimal performance, scalability, and reliability.
• Maintain system uptime in line with agreed service levels and minimize unplanned downtime.
  
  
   

Microsoft 365 & Directory Services

• Administer Active Directory, Group Policy, DNS, and DHCP, ensuring a secure and well-structured directory environment.
• Manage the Microsoft 365 tenant, including Exchange Online, SharePoint Online, Teams, OneDrive, and Entra ID (Azure AD).
• Handle the full user lifecycle — onboarding, role changes, and offboarding — covering accounts, licenses, mailboxes, and access rights.
• Enforce identity and access policies, including multi-factor authentication and conditional access.
  
  
   

Network Administration

• Support and maintain LAN/WAN, switches, routers, wireless access points, and structured cabling across sites.
• Administer firewalls, VPNs, and remote-access solutions, and assist in reviewing and updating firewall and security policies.
• Monitor network performance, troubleshoot connectivity incidents, and coordinate with ISPs and vendors for timely resolution.
  
  
   

Backup, Storage & Disaster Recovery

• Configure, monitor, and periodically test backup and recovery solutions to safeguard business data.
• Maintain and validate disaster recovery and business continuity arrangements for critical systems.
• Manage data retention, archiving, and restoration requests.
  
  
   

Information Security & Compliance

• Implement and maintain endpoint protection, antivirus/EDR, patch management, and system-hardening standards.
• Support cybersecurity initiatives — including monitoring, vulnerability remediation, and incident response — in line with Group IT and ITSC direction.
• Ensure systems comply with the Group's IT policies, governance standards, and relevant regulatory requirements.
• Maintain access controls and audit logs, and support periodic internal and external IT audits.
  
  
   

End-User & Application Support

• Provide escalated (L2/L3) support for hardware, software, operating systems, and connectivity issues.
• Provide infrastructure-level support for enterprise applications, including ERP (e.g., SAP S/4HANA) and reporting tools (e.g., Power BI).
• Manage IT assets, software licensing, and procurement coordination for hardware and services.
  
  
   

Monitoring, Documentation & Continuous Improvement

• Proactively monitor systems, networks, and services using appropriate tools, and respond promptly to alerts.
• Maintain accurate documentation — configurations, SOPs, network diagrams, asset registers, and knowledge-based articles.
• Recommend and implement improvements that enhance reliability, performance, security, and efficiency.
• Coordinate with vendors and service providers for support, maintenance contracts, and project delivery.
  
  
   

3. Qualifications & Experience

• Bachelor's degree in Computer Science, Information Technology, or a related discipline.
• 3–5 years of relevant experience in systems and network administration, preferably within a medium-to-large or multi-site organization.
• Proven hands-on experience administering Windows Server, Active Directory, and Microsoft 365 environments.
  
  
   

4. Technical Skills

• Windows Server administration (Active Directory, Group Policy, DNS, DHCP, file and print services); working knowledge of Linux an advantage.
• Microsoft 365 administration (Exchange Online, SharePoint Online, Teams, Entra ID).
• Virtualization technologies (VMware vSphere and/or Microsoft Hyper-V).
• Networking fundamentals (TCP/IP, VLANs, routing, switching, Wi-Fi) and firewall/VPN administration.
• Backup and disaster-recovery tools, with a sound understanding of storage (SAN/NAS) concepts.
• Endpoint security, patch management, and system hardening.
• Familiarity with ERP infrastructure (SAP) and IT service management (ITSM) practices.
• Scripting and automation (e.g., PowerShell) an advantage.
  
  
   

5. Certifications (Preferred)

• Microsoft Certified — Windows Server / Azure / Microsoft 365 (e.g., AZ-104, MS-102, MD-102).
• Cisco Certified Network Associate (CCNA)
• VMware Certified Professional (VCP)
  
  
   

6. Key Competencies

• Strong analytical and problem-solving skills with a methodical, detail-oriented approach.
• Sound understanding of IT security and governance principles.
• Effective communication and interpersonal skills, with the ability to explain technical matters to non-technical users.
• Ability to manage multiple priorities and perform under pressure during incidents.
• Reliability, ownership, and a strong service orientation.
• Willingness to provide after-hours / on-call support and to travel between Group sites when required.