Currently in Aristocrat Interactive, we are looking for a Senior System Administrator . More on the responsibilities and requirements of the role you can find down below: MAIN DUTIES AND RESPONSIBILITIES Handle the configuration and operation of computer operating systems Develop and verify backups of data Update systems as the need arises for enhanced functionality and security issue resolution Administrate infrastructure, including firewalls, XDR and antivirus programs Monitoring of Operating Systems’ performance and availability File Server and DNS support and maintenance Windows systems setup and configuration Linux systems installation and configuration Setting up and handling VMware platforms Configuring the platform for MS SQL Servers Handling AWS services Establishing and managing Active Directory and Windows-based environments Maintain up-to-date user documentation Maintain clear communication with immediate manager, with respect to work undertaken and ensure that performance standards/expectations should not get breached. Regularly update and consult with direct manager regarding ongoing tasks and projects. Provide timely progress reports and seek mentorship as needed to ensure efficient workflow. Attend & chip in to team huddles, meetings & ad hoc meetings when required. Assist in additional duties and assignments as assigned by supervisors or management to support the achievement of department and interpersonal goals. Participating in on-call schedule II . INFORMATION LINKS AND RELATIONSHIP In their everyday work the Senior System Administrator is subordinate to the Managing Director of the Company, according to the approved Company’interpersonal chart. Work closely with all relevant parties both inside and outside the organization. III . REQUIREMENT S In-depth experience with Windows and Linux server administration Knowledge of how to configure and maintain VMware platforms Experience with infrastructure for MS SQL servers En-depth experience with AWS or Azure or GCP In-depth understanding of server, network and application security Experience with configuring and handling directory services and Windows operating system environments Experience with Firewalls and Networking Proficiency in written and spoken English Travel Expectations None Additional Information At this time, we are unable to sponsor work visas for this position. Candidates must be authorized to work in the job posting location for this position on a full-time basis without the need for current or future visa sponsorship.