Senior Systems & Network Administrator (East London)

Placements24; East London; On-site; ZAR 700,000 - 1,100,000; Full time

Benefits offered by this job

Annual bonus

Private medical insurance

Retirement annuity

Paid annual leave

Job summary

Placements24 in East London, South Africa, is seeking a Senior Systems Administrator to manage IT infrastructure, servers, networks, and end-user support, ensuring stability, security, and performance. This hands‑on role requires deep Windows and Linux administration, strong virtualization experience (VMware/Hyper‑V), AD/GP, backups, and cybersecurity best practices. The successful candidate will work on-site in East London and contribute to critical operations.

Qualifications

• Bachelor's degree in IT/CS or equivalent work experience.
• Minimum of 5 years of experience in systems administration.
• Strong Windows Server administration (Server 2012 R2, 2016, 2019) and Linux.
• Solid networking knowledge (TCP/IP, DNS, DHCP, VPNs) and hardware.
• Experience with virtualization (VMware, Hyper‑V).
• Proficiency with Active Directory and Group Policy.
• Experience with backup and disaster recovery solutions.
• Familiarity with cybersecurity best practices and tools.
• Excellent troubleshooting and communication skills.
• Relevant certifications (e.g., MCSA/MCSE, CompTIA Network+, CCNA) are a plus.
• Ability to work independently and handle multiple priorities.

Responsibilities

• Administer and maintain Windows and Linux server environments for uptime.
• Manage and monitor network infrastructure including routers, switches, firewalls, and VPNs.
• Enforce security policies and procedures to protect IT assets.
• Perform regular system backups and disaster recovery testing.
• Install and maintain virtualization platforms (VMware vSphere, Hyper-V).
• Administer Active Directory, Group Policy, and user accounts.
• Provide advanced technical support for hardware, software, and network issues.
• Plan system upgrades, migrations, and patch management.
• Monitor performance and troubleshoot proactively.
• Document configurations, procedures, and troubleshooting guides.
• Liaise with vendors for hardware/software support.

Skills

Windows Server administration

Linux server administration

Networking concepts

Virtualization: VMware/Hyper‑V

Active Directory & Group Policy

Backup & disaster recovery

Cybersecurity practices

Troubleshooting & support

Communication skills

Education

Bachelor's degree in IT/CS or equivalent

Tools

VMware

Hyper-V

Active Directory

Group Policy

Job description

Placements24 in East London, South Africa, is seeking a Senior Systems Administrator to manage IT infrastructure, servers, networks, and end-user support, ensuring stability, security, and performance. This hands‑on role requires deep Windows and Linux administration, strong virtualization experience (VMware/Hyper‑V), AD/GP, backups, and cybersecurity best practices. The successful candidate will work on-site in East London and contribute to critical operations.