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Optimal Growth Technologies
Senior Systems AdministratorOptimal Growth Technologies • East London, Eastern Cape, ZA
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Senior Systems Administrator

Senior Systems Administrator

Optimal Growth Technologies • East London, Eastern Cape, ZA
3 days ago
Job description

Sr. Sys Administrator 12 month - Fully Remote Contract Responsibilities:



  • Manage and maintain the organization's 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.

  • Install, configure, and update software applications and operating systems.

  • 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 on-premises systems.

  • Manage and maintain Citrix environments, including XenApp, XenDesktop, and NetScaler, ensuring high availability and performance.

  • Troubleshoot and resolve issues related to Citrix infrastructure, including application delivery and user access.

  • Optimize Citrix environments for performance, scalability, and user experience.

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Senior Systems Administrator • East London, Eastern Cape, ZA