Johannesburg: IT Administrator posted by GMI Advisory

About the Role

The IT Administrator will oversee the installation, configuration, maintenance, and reliable operation of computer systems, servers, and network infrastructure in a fast-paced and dynamic environment. This role is responsible for managing both on-premises and cloud-based systems while ensuring high availability and security of business applications.

Key Responsibilities

• System Administration: Manage and maintain Windows, Active Directory, Linux, and virtual servers (Hyper-V), ensuring systems run smoothly with optimal performance.
• Network Management: Configure and monitor firewalls, VPNs, and network infrastructure to ensure secure and efficient data communication.
• Cloud Infrastructure: Oversee the operation of cloud services (Azure), implementing best practices for cloud architecture.
• Security Management: Implement security protocols and patches to ensure compliance with industry standards, responding proactively to emerging vulnerabilities.
• Backup & Recovery: Manage data backups, disaster recovery plans, and ensure data integrity through routine testing and verification.
• Monitoring & Performance Tuning: Use monitoring tools (e.g., Data Dog) to track system performance and resolve issues before they impact business operations.
• Documentation: Create and maintain comprehensive documentation related to systems, configurations, procedures, and troubleshooting.
• Mentorship & Training: Mentor junior system administrators, providing guidance and knowledge transfer to improve team performance and efficiency.
• Project Management: Lead infrastructure upgrade projects, system migrations, and continuous improvement initiatives.
• Compliance: Ensure all systems are compliant with regulatory requirements, company policies, and industry best practices (e.g., NIST & ISO).
• Troubleshooting: Provide advanced troubleshooting and support for complex issues, working closely with the IT support team and other departments.

Requirements

Proficiency in Windows server environments, Strong knowledge of virtualization technologies (Hyper-V), Experience with cloud platforms (Azure), Networking knowledge (TCP/IP, DNS, DHCP, VPN, VLANs, firewalls), Proficiency in scripting languages (e.g., PowerShell, Bash), Knowledge of IT security standards and best practices (e.g., firewalls, intrusion detection, encryption).

Qualifications

IT Diploma or Bachelors Degree MCSE or equivalent CCNA N, A

Salary & Benefits

Salary details not specified.

Employer Information

GMI Advisory is an equal-opportunity employer committed to fostering an inclusive and diverse work environment.