IT Infrastructure Lead — Build Secure, Resilient Systems

Sigma Connected Group; Cape Town; On-site; ZAR 600,000 - 900,000; Full time

Benefits offered by this job

Medical Insurance - Covers doctor, opt

Group Life Cover

Onsite health nurse

Shuttle services

Career development opportunities

Job summary

Sigma Connected Group is seeking an IT Infrastructure Team Leader to guide the performance, security and evolution of the company’s infrastructure. You will lead a team, balance hands-on delivery with strategic planning, and drive resilient, compliant technology services across the business.

You’ll coordinate with IT leadership, support architecture decisions and mentor staff while ensuring service excellence and operational resilience in a fast-paced environment.

Qualifications

• Minimum degree in information technology or related field.
• Strong leadership and people-management experience.
• Proven ability to manage and secure complex infrastructure.

Responsibilities

• Lead and manage performance, availability, security and continuous improvement of Sigma's infrastructure.
• Coach and develop Infrastructure Team members through regular meetings and performance planning.
• Administer Microsoft technologies including Microsoft 365, Exchange Online, Teams, Intune, CA, Windows Server and RDS environments.
• Manage Scale Computing and Hyper-V environments, including replication and disaster recovery.
• Oversee upgrades, patching, hardware/software installs, backups and change management.
• Monitor capacity and performance, produce metrics and support technology planning.

Skills

IT leadership

Windows Server

Microsoft 365

Hyper-V

Education

Bachelor's degree in IT

Tools

Scale Computing

Networking Cisco

Job description

Sigma Connected Group is seeking an IT Infrastructure Team Leader to guide the performance, security and evolution of the company’s infrastructure. You will lead a team, balance hands-on delivery with strategic planning, and drive resilient, compliant technology services across the business.

You’ll coordinate with IT leadership, support architecture decisions and mentor staff while ensuring service excellence and operational resilience in a fast-paced environment.