Senior Systems Administrator; Linux​/Cloud

Our client, a progressive software development company, is seeking a highly skilled Senior Systems Administrator with extensive experience in Linux environments and cloud platforms. This critical role is based in Midrand, Gauteng , and is responsible for the installation, configuration, maintenance, and optimization of server infrastructure, both on-premises and in the cloud. You will play a key part in ensuring the stability, security, and performance of our client's IT systems.

The ideal candidate possesses strong troubleshooting skills, a deep understanding of networking, scripting capabilities, and a proactive approach to system management. This is an excellent opportunity for a seasoned administrator to make a significant impact within a growing organization that values operational excellence and technological advancement in the Midrand area. We aim to build and maintain a robust and reliable IT infrastructure.

• Install, configure, and maintain Linux servers (e.g., Ubuntu, CentOS, Red Hat Enterprise Linux).
• Manage and optimize server hardware, operating systems, and related software.
• Administer and support cloud infrastructure (e.g., AWS, Azure, GCP).
• Implement and manage virtualization technologies (e.g., VMware, KVM).
• Ensure the security of systems through patching, hardening, and monitoring.
• Manage network services, including DNS, DHCP, firewalls, and VPNs.
• Develop and maintain scripts for automating system administration tasks (e.g., Bash, Python).
• Monitor system performance and troubleshoot issues to ensure optimal uptime and reliability.
• Manage user accounts, permissions, and access controls.
• Implement and maintain backup and disaster recovery solutions.
• Document system configurations, procedures, and best practices.
• Provide technical support to end-users and other IT staff.
• Participate in capacity planning and technology road mapping.

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent work experience.
• Minimum of 5 years of experience in systems administration, with a focus on Linux environments.
• Proven experience managing and deploying applications on cloud platforms (AWS, Azure, or GCP).
• Strong proficiency in Linux operating systems and command-line administration.
• Expertise in scripting languages such as Bash and Python for automation.
• Solid understanding of networking protocols and technologies (TCP/IP, HTTP, DNS, etc.).
• Experience with virtualization platforms (e.g., VMware vSphere).
• Knowledge of containerization technologies like Docker is a plus.
• Familiarity with configuration management tools (e.g., Ansible, Puppet, Chef).
• Experience with monitoring tools (e.g., Nagios, Zabbix, Prometheus).
• Excellent problem-solving, analytical, and troubleshooting skills.
• Strong communication and interpersonal skills.
• Ability to work independently and as part of a team.

• Competitive salary commensurate with experience.
• Opportunity to manage critical infrastructure for a growing software company.
• Exposure to modern cloud technologies and system administration tools.
• A stable and professional working environment in Midrand, Gauteng .
• Opportunities for professional development and certifications.
• Comprehensive health and retirement benefits package.
• Be a key player in maintaining IT operational excellence.