IT Infrastructure Lead: Secure, Scalable Systems

Sigma Connected Group; Wes-Kaap; On-site; ZAR 1,200,000 - 1,500,000; Full time

Benefits offered by this job

Medical Insurance

Employee Assistance Program

On-site nurse

Shuttle service

Tree planting in Sigma Forest

Job summary

Sigma Connected Group in Diep River, South Africa, is seeking an IT Infrastructure Team Leader to lead the infrastructure estate, ensuring secure, resilient, and high-performing systems across the business. You will guide a team, oversee operations, and align technology with business needs.

The role combines hands-on technical delivery with people leadership, shaping security, BC/DR, and future IT talent, with a focus on continuous improvement and cross-functional collaboration.

Qualifications

• Strong leadership and people management skills.
• Experience with Microsoft technologies and virtualization.
• Ability to manage multiple priorities with service excellence.
• Willingness to participate in out-of-hours maintenance.

Responsibilities

• Coach and develop team through regular meetings and performance planning.
• Ensure critical systems are available, secure, and well-documented.
• Support and administer Microsoft 365, Exchange Online, Teams, Intune, CA policies.
• Manage Scale Computing and Hyper-V environments including replication and DR.
• Oversee upgrades, patches, backups, and change management.
• Monitor capacity and performance and report metrics.
• Collaborate with IT leaders to maintain security and compliance.
• Drive continuous improvement and address recurring issues.
• Act as escalation point for IT Service Desk and major projects.

Skills

Leadership

People management

Technical leadership

Cloud & Microsoft tech

Problem solving

Education

Matric / Equivalent qualification

Degree in Information Technology or related

Microsoft/Azure Certification

Tools

Microsoft 365

Exchange Online

Microsoft Teams

Intune

Conditional Access

Windows Server

Hyper-V

Scale Computing

Job description

Sigma Connected Group in Diep River, South Africa, is seeking an IT Infrastructure Team Leader to lead the infrastructure estate, ensuring secure, resilient, and high-performing systems across the business. You will guide a team, oversee operations, and align technology with business needs.

The role combines hands-on technical delivery with people leadership, shaping security, BC/DR, and future IT talent, with a focus on continuous improvement and cross-functional collaboration.