Cape Town City Centre: Senior Systems Administrator X2 posted by GMI Advisory

About the Role

GMI Advisory is seeking two experienced Senior System Administrators to join our team in Cape Town City Centre. As a key member of our IT department, you will be responsible for overseeing the installation, configuration, maintenance, and reliable operation of computer systems, servers, and network infrastructure. You will work closely with cross-functional teams, mentor junior administrators, and lead infrastructure improvement projects. If you have excellent problem-solving skills, strong communication skills, and experience in system administration, we encourage you to apply.

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.
• Penetration Tests and vulnerability assessments
• Back-up and disaster recovery (Veeam Back-up and Replication)
• Zimbra E-Mail and Collaboration
• Microsoft Active Directory Domain Controllers
• Hyper-V Virtualization
• Anti-Virus System (KASPERSKY)
• Website editing and updates
• Server Rack Management
• Licensing
• Local Area Networks
• Management of existing Wide Area Network
• Cabling
• Ubiquiti Experience (Unifi, AirMax)
• Mikrotik
• VPN access and support
• VOIP
• CCTV
• Audio Visual Support
• Virtual platforms (Zoom, Teams etc.)
• GLPI Helpdesk
• Squid Proxy Server
• Fusion Inventory
• AD Audit Plus
• Microsoft teams
• Firewalls

Requirements

• IT Diploma or Bachelor’s Degree
• MCSE or equivalent
• CCNA N, A

Qualifications

No qualifications mentioned.

Salary & Benefits

Salary details not provided.