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Snr Sys Admin

4 months ago

Johannesburg, Gauteng, South Africa Optimal Growth Technologies Full time
Manage and maintain the organizations IT infrastructure, including servers, networks, and storage systems.

  • Oversee the administration of Windows and Linux servers, ensuring optimal performance, security, and availability.
  • Implement and manage virtualization solutions, such as VMware or Hyper-V.
  • Develop and maintain backup and disaster recovery plans, ensuring data integrity and availability.
  • Monitor system performance and network connectivity, troubleshooting and resolving issues promptly.
  • Implement and enforce security policies, including firewalls, antivirus software, and intrusion detection/prevention systems.
  • Conduct regular security audits and vulnerability assessments, addressing any identified issues.
  • Manage user accounts, permissions, and access controls within Active Directory or other directory services.
  • Maintain detailed documentation of system configurations, procedures, and changes.
  • Generate and analyze reports on system performance, security incidents, and other relevant metrics.
  • Develop and maintain automation scripts for routine administrative tasks and system maintenance.
  • Ensure compliance with industry standards and regulatory requirements for IT systems.
  • Provide advanced technical support and troubleshooting for hardware, software, and network issues.
  • Lead and mentor junior IT staff, providing guidance and training as needed.
  • Collaborate with other IT teams and departments to ensure seamless service delivery and support.
  • Participate in the planning and execution of IT projects, including hardware and software rollouts, system migrations, and upgrades.
  • Identify opportunities for process improvements and implement solutions to enhance IT service quality and efficiency.
  • Stay updated with the latest technology trends, advancements, and best practices in systems administration.
  • Manage and maintain IT hardware inventory, including procurement, deployment, and asset tracking.
  • Provide input and recommendations for the continuous improvement of IT infrastructure and services.
  • Coordinate with vendors and service providers for issue resolution and service enhancements.
  • Participate in team meetings, providing updates on system status, ongoing projects, and any relevant issues.
  • Ensure effective incident response and problem management processes are in place and followed.
  • Lead initiatives to enhance user adoption and effective utilization of IT tools and resources.
  • Identify and mitigate risks associated with IT infrastructure and system changes.
  • Ensure the proper functioning of network and server monitoring tools and respond to alerts.
  • Oversee the implementation and management of cloud services and integrations with onpremises systems.
  • Manage and maintain Citrix environments, including XenApp, XenDesktop, and NetScaler, ensuring high availability and performance.
  • Optimize Citrix environments for performance, scalability, and user experience.