Senior Systems Administrator

Placements24; Benoni; Hybrid; ZAR 600,000 - 900,000; Full time

Benefits offered by this job

Competitive salary

Health and retirement benefits

Professional development & certs

Hybrid work arrangement

Job summary

Placements24 is seeking a seasoned Senior Systems Administrator in Benoni to oversee IT infrastructure, including servers and networks. You will be responsible for upgrades, monitoring, troubleshooting, and enforcing IT policies.

The ideal candidate has 5+ years of server administration experience, proficient in Windows and Linux, with hands-on virtualization using VMware vSphere or Hyper-V. A proactive approach to security and disaster recovery is required.

Qualifications

• Bachelor's degree in CS/IT or equivalent experience.
• 5+ years as a Systems Administrator, focused on server admin.
• Proficiency in Windows Server and Linux distributions.
• Experience with VMware vSphere or Microsoft Hyper-V.
• Strong networking knowledge and AD management.
• Excellent troubleshooting under pressure.

Responsibilities

• Install, configure, and maintain server hardware and operating systems.
• Manage virtualization platforms and ensure performance and availability.
• Administer Active Directory, DNS, DHCP, and core network services.
• Implement backup and disaster recovery solutions.
• Monitor system performance, perform upgrades and patches.
• Ensure security through audits and best practices.

Skills

Windows Server

Linux

VMware vSphere

Microsoft Hyper-V

Active Directory

DNS & DHCP management

Networking basics

Troubleshooting under pressure

5+ years experience

Education

Bachelor's degree in Computer Science or Information Technology

Tools

VMware vSphere

Microsoft Hyper-V

Backup/DR software

Job description

About the Role

Our client in Benoni is looking for a seasoned Senior Systems Administrator to oversee and manage their IT infrastructure. This critical role involves ensuring the smooth operation, maintenance, and security of servers, networks, and other IT systems. You will be responsible for system upgrades, performance monitoring, troubleshooting, and implementing IT policies and procedures. The ideal candidate possesses a deep understanding of operating systems, hardware, and virtualization technologies, with a proactive approach to identifying and resolving potential issues before they impact users.

Key Responsibilities

• Install, configure, and maintain server hardware and operating systems (Windows Server, Linux).
• Manage virtualization platforms (e.g., VMware, Hyper-V) and ensure optimal performance and availability.
• Administer Active Directory, Group Policy, DNS, DHCP, and other core network services.
• Implement and maintain backup and disaster recovery solutions to ensure data integrity and business continuity.
• Monitor system performance, troubleshoot issues, and implement necessary upgrades and patches.
• Ensure the security of IT systems through regular audits, vulnerability assessments, and implementation of security best practices.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent work experience.
• 5+ years of experience as a Systems Administrator, with a strong focus on server administration.
• Proficiency in managing Windows Server environments and Linux distributions.
• Experience with virtualization technologies such as VMware vSphere or Microsoft Hyper-V.
• Solid understanding of networking concepts, security best practices, and Active Directory management.
• Excellent troubleshooting skills and the ability to work effectively under pressure.

Benefits

• Competitive salary and performance-based bonuses.
• Comprehensive health and retirement benefits package.
• Opportunities for professional development, training, and certifications.
• A supportive work environment in Benoni with opportunities for career growth.
• Flexible hybrid work schedule combining office and remote work.