Lead Data Center Critical Facilities Technician

nttlimited; Johannesburg; On-site; ZAR 350,000 - 480,000; Full time

Job summary

NTT DATA is seeking a Skilled Critical Facilities Maintenance Technician to oversee data center mechanical, electrical and fire life safety systems, ensuring high uptime and regulatory compliance. You will lead a team, coordinate with contractors, and implement preventive and predictive maintenance programs to optimize efficiency and cost.

You will work with chilled water systems, HVAC units, electrical distribution, UPS, fire protection, BMS/PLC controls, and monitoring systems to deliver

Qualifications

• Experience with data center mechanical and electrical systems.
• Ability to read blueprints and schematics.
• Familiar with NFPA codes and data center fire life safety standards.
• Experience coordinating with contractors and teams on upgrades and maintenance.
• Proactive in preventive and predictive maintenance to maximize uptime.

Responsibilities

• Develops cost‑effective maintenance strategies for mechanical, electrical, and fire life safety systems.
• Maintains and improves data center uptime and reliability.
• Supervises contractors and reviews quality of work.
• Performs preventive/predictive maintenance and system testing.
• Keeps documentation up to date and informs teams of changes.

Skills

Electrical systems

Mechanical systems

Fire life safety

Team leadership

Preventive maintenance

Tools

MS Office Suite

BMS/PLC Controls

UPS systems

Job description

NTT DATA is seeking a Skilled Critical Facilities Maintenance Technician to oversee data center mechanical, electrical and fire life safety systems, ensuring high uptime and regulatory compliance. You will lead a team, coordinate with contractors, and implement preventive and predictive maintenance programs to optimize efficiency and cost.

You will work with chilled water systems, HVAC units, electrical distribution, UPS, fire protection, BMS/PLC controls, and monitoring systems to deliver