Senior Windows Server Administrator - Durban at Optimal Growth Technologies

Role Overview

• We are seeking an experienced and highly skilled Windows Server / Systems Administrator to manage, maintain, and optimize enterprise Windows-based infrastructure. The ideal candidate will have strong hands-on experience with Windows Server environments, Active Directory, virtualization, and enterprise-grade infrastructure, with the ability to operate in high-availability, security-conscious environments.
• This role requires a proactive professional who can ensure system stability, performance, and security while supporting business-critical systems and users.

Key Responsibilities

Infrastructure & Server Management

• Install, configure, administer, and maintain Windows Server environments (2012/2016/2019/2022).
• Manage Active Directory, Group Policy (GPO), DNS, DHCP, and File/Print services.
• Ensure high availability, performance, and reliability of server infrastructure.
• Perform server monitoring, capacity planning, and performance tuning.

Virtualization & Cloud

• Administer and support virtualized environments (VMware, Hyper-V).
• Manage backup, disaster recovery, and business continuity solutions.
• Support hybrid or cloud-based environments (Azure / M365 – advantageous).

Security & Compliance

• Implement and maintain security best practices, patches, and updates.
• Manage user access, permissions, and identity management.
• Ensure systems comply with security policies, standards, and regulatory requirements.

Troubleshooting & Support

• Provide Level 3 support for server, system, and infrastructure-related incidents.
• Diagnose and resolve complex technical issues efficiently.
• Work closely with network, security, and application teams to resolve cross-platform issues.

Documentation & Process Improvement

• Maintain accurate technical documentation and system diagrams.
• Develop and improve operational procedures, standards, and automation scripts.
• Participate in infrastructure upgrades, migrations, and projects.

Technical Skills & Experience

Essential

• 7+ years experience as a Windows Server / Systems Administrator.

Strong expertise in:

• Windows Server (2012–2022)
• Active Directory, GPO, DNS, DHCP
• VMware and/or Hyper-V
• Backup and recovery solutions
• PowerShell scripting
• Experience working in enterprise or large-scale IT environments.

Advantageous

• Microsoft Azure / Hybrid Cloud experience
• Microsoft 365 / Exchange Online
• SCCM / Intune
• Monitoring tools (SCOM, SolarWinds, etc.)
• ITIL-based service environments

Soft Skills

• Strong problem-solving and analytical abilities
• Excellent communication and stakeholder engagement skills
• Ability to work under pressure and manage multiple priorities
• High attention to detail and commitment to system stability and security
• Proactive, reliable, and service-oriented mindset

Qualifications

• Diploma or Degree in Information Technology, Computer Science, or related field
• Microsoft certifications (MCSA, MCSE, Azure) – advantageous but not essential