Senior Systems Administrator - Telecom Infrastructure

Placements24; Randburg; On-site; ZAR 600,000 - 900,000; Full time

Benefits offered by this job

Medical aid

Provident fund

Training & certifications

Career advancement

Annual leave

Job summary

Placements24 is seeking a Senior Systems Administrator to lead the management of critical IT infrastructure in Randburg. You will design, implement, maintain, and troubleshoot complex server environments, ensuring security and high availability across Windows and Linux ecosystems.

The role requires hands-on virtualization expertise (VMware/Hyper-V), robust backup and disaster recovery planning, and strong scripting for automation.

Qualifications

• Bachelor's degree or equivalent practical experience in Computer Science, IT, or related field.
• Minimum 5 years of Systems Administrator experience with server environments.
• Proven expertise in Windows Server and Linux administration; virtualization experience essential.

Responsibilities

• Install, configure, and maintain server hardware and operating systems (Windows Server, Linux).
• Oversee performance, reliability, and security of server infrastructure.
• Manage virtualization platforms (VMware, Hyper-V).
• Develop and execute backup and disaster recovery strategies.
• Monitor system performance and implement optimizations.
• Manage user accounts, permissions, and access controls.
• Apply regular system patching for security and stability.
• Troubleshoot complex hardware, software, and network issues.
• Document configurations, procedures, and troubleshooting steps.
• Collaborate with network engineers for seamless operation.
• Participate in on-call rotation for urgent support.

Skills

Windows Server

Linux

Virtualization

Backup & DR

Networking

PowerShell

Bash

AWS/Azure

Communication

Teamwork

Education

Bachelor's degree in Computer Science or IT

Tools

Veeam

Commvault

Job description

About the Role Our client, a leading telecommunications provider, is seeking a highly experienced Senior Systems Administrator to manage and maintain their critical IT infrastructure in Randburg . This role is essential for ensuring the smooth operation, high availability, and security of the company's servers, operating systems, and related applications that power their services across Gauteng . You will be responsible for system design, implementation, maintenance, and troubleshooting of complex IT environments. This is a fantastic opportunity for a seasoned IT professional to take on significant responsibilities and contribute to the reliability of a vital service provider.

Key Responsibilities

• Install, configure, manage, and maintain server hardware and operating systems (Windows Server, Linux).
• Oversee the performance, reliability, and security of the company's server infrastructure.
• Implement and manage virtualization technologies (e.g., VMware, Hyper-V).
• Develop and execute backup and disaster recovery strategies.
• Monitor system performance, identify bottlenecks, and implement optimizations.
• Manage user accounts, permissions, and access controls.
• Perform regular system patching and updates to ensure security and stability.
• Troubleshoot and resolve complex hardware, software, and network-related issues.
• Document system configurations, procedures, and troubleshooting steps.
• Collaborate with network engineers and other IT staff to ensure seamless integration and operation.
• Participate in on-call rotation for urgent support needs.

Requirements

• A Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• A minimum of 5 years of experience as a Systems Administrator, with a strong focus on server environments.
• Proven expertise in managing Windows Server and/or Linux operating systems.
• Hands-on experience with virtualization platforms like VMware vSphere or Microsoft Hyper-V.
• Solid understanding of networking concepts (TCP/IP, DNS, DHCP) and their interaction with server systems.
• Experience with backup and recovery solutions (e.g., Veeam, Commvault).
• Knowledge of scripting languages (e.g., PowerShell, Bash) for automation.
• Familiarity with cloud platforms (AWS, Azure) is a plus.
• Excellent problem-solving and analytical skills.
• Strong communication and interpersonal skills.
• Ability to work effectively both independently and as part of a team.
• Willingness to be on-call and respond to emergencies.

Benefits

• A competitive annual salary package, reflecting your expertise.
• Comprehensive medical aid and provident fund benefits.
• Opportunities for professional development, training, and certifications.
• Exposure to a wide range of advanced IT systems and technologies within the telecom sector.
• A stable and supportive work environment.
• Generous annual leave and company holidays.
• Career advancement opportunities within a growing organization.