Senior Windows Systems Architect: AD, SCOM & Security

Boardroom Appointments; Johannesburg; On-site; ZAR 450,000 - 650,000; Full time

Job summary

Boardroom Appointments is seeking a Windows System Administrator to ensure reliability, security, and performance of our IT infrastructure. You will design, implement, and maintain systems across virtual and physical environments, collaborating with cross-functional teams.

The role requires expertise in Active Directory, Office 365, SCOM, and Windows Server administration, with a focus on security, incident response, backups, and capacity planning in a Johannesburg-based environment.

Qualifications

• 5+ years' experience as a Windows Systems Administrator or similar position.
• M365 Administration
• PowerShell scripting and automation
• Windows Server 2012–2022 with a solid understanding of Windows security fundamentals
• Active Directory architecture and replication in a multi domain environment
• Strong understanding of IIS, DNS, DHCP, Group Policy
• Database configurations and administration of MSSQL & MySQL
• Experience administrating Hyper-V Virtual infrastructure
• Monitoring systems, ex. PRTG / Grafana, others
• Proficient with server resource management (disk/memory), performance management

Responsibilities

• Design, implement, and maintain Windows-based systems and services.
• Manage Active Directory, Group Policy, and core AD infrastructure.
• Ensure security best practices and patch management.
• Monitor performance, analyze logs, and troubleshoot incidents.
• Provide third-level support and training to staff.
• Document changes and follow change control processes.
• Plan capacity and manage hosting and network infrastructure.

Skills

PowerShell scripting

M365 Administration

Active Directory

System monitoring

Security best practices

Incident response

Capacity planning

Documentation

Tools

Hyper-V

PRTG

Grafana

SQL Server

MySQL

IIS

DNS

DHCP

Group Policy

Job description

Boardroom Appointments is seeking a Windows System Administrator to ensure reliability, security, and performance of our IT infrastructure. You will design, implement, and maintain systems across virtual and physical environments, collaborating with cross-functional teams.

The role requires expertise in Active Directory, Office 365, SCOM, and Windows Server administration, with a focus on security, incident response, backups, and capacity planning in a Johannesburg-based environment.