Windows System Administrator

3 days ago

Johannesburg, Gauteng, South Africa Boardroom Appointments Full time R250 000 - R500 000 per year


As a Windows System Administrator, you will play a pivotal role in ensuring the reliability, security, and optimal performance of our IT infrastructure. You will collaborate with cross-functional teams to design, implement, and maintain systems, applications, and services across both virtual and physical environments. Your expertise in Windows-based technologies will be crucial in managing our internal systems, including SCOM, Active Directory and Office365, to support the daily operations of the organization.

Duties and Responsibilities:

  • Assist in the design, implementation, configuration, and ongoing maintenance of systems, applications, and services in virtual and physical environments.
  • Manage and maintain critical internal and hosting infrastructure
  • Active Directory and Group Policy management
  • Conduct capacity planning and management for hosting, office, and networking infrastructure to ensure optimal performance.
  • Adhere to security best practices at all times and ensure that security measures are operational and effective.
  • Monitor system logs, analyze performance data, and troubleshoot and resolve system-related issues.
  • Provide training and third-level support to support departments, assisting them in resolving complex technical issues.
  • Participate in incident response and problem management to minimize downtime and maintain system availability.
  • Apply operating system updates, patches, and configuration changes to enhance system security and performance.
  • Introduce and integrate new technologies into the existing environment to improve efficiency and functionality.
  • Document all changes made to the environment and adhere to change control processes to maintain a clear record of system modifications.
  • Perform system performance tuning and provide recommendations to enhance overall system efficiency.
  • Make security recommendations and implement best practices for hardening systems to safeguard company data.
  • Backup Management: Ensure that backups are up to date and recoverable
  • Designing and implementing systems and tools
  • Troubleshooting issues with a company's systems and networks
  • Automating tasks for production environments
  • Installing new hardware and software
  • Performing system upgrades
  • Managing backup and recovery
  • Monitoring and capacity planning for servers
  • Conducting version management
  • Developing system security standards
  • Assessing resources to meet organizational needs

Qualifications and Experience:

  • 5+ years' experience as a Windows Systems Administrator or similar position
  • M365 Administration
  • Microsoft Systems Centre Suite (VMM, ORCH, SCOM)
  • Scripting and automation (PowerShell)
  • Windows Server 2012 through 2022 with a solid understanding of Windows security fundamentals.
  • Active Directory architecture and replication in a multi domain environment
  • Strong understanding of IIS, DNS, DHCP, Group Policy.
  • Database configurations and administration of MSSQL & MySQL
  • Experience administrating Hyper-V Virtual infrastructure
  • Monitoring systems, ex. PRTG / Grafana, others
  • Proficient with server resource management (disk/memory), performance management
  • Network experience advantageous
  • Microsoft certification is advantageous

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