Johannesburg: Senior Data Center Mechanical Engineer (HVAC Systems)

February 27, 2026 Jobs in Central Johannesburg

Job Description

Main Responsibilities: Deliver and Review High-Level Designs (HLD, what will be built), Low-Level Designs (LLD, how the solution will be implemented) and Shop drawings (construction execution) of Data Center and CI Solutions. Produce and Manage the Bill of Quantities (BoQ, A Cost & Quantity Document) and all other documentation required for high level project costs. Understand the LLD, BoQ and responsibility matrix well and clarify these to the subcontractors. Outline responsibility matrix, execute Heat load calculation, pressure drop calculations , specify main equipment needed. Approve the final design brief for completion by relevant consultants. Provide support for Project management , including sub-contractor selection & management, supply chain, procurement , process management and acceptance. Oversee and supervise 3 rd party consultants and contractors during on-site Mechanical implementation while managing customer relationships. Implement and Enforce the Mechanical Work SOP (Standard of Procedure) on-site ad ensure quality installations by subcontractors. Technical Requirements: 5 years experience in Mechanical Engineering in Data Center and/or Capital Improvement Projects (Mission-Critical & industrial projects). 2 Large-Scale Data Center / CI Projects Delivered (no less than 1 megawatts) Solid Experience with HVAC Systems (Heating, Ventilation and Air Conditioning Systems, Such as Chilled Water Systems, DX Systems, AHU Systems) Fire Systems Integration (Fire suppression, Automatic fire alarms, Fire water systems, Fire foam systems) Plumbing and Drainage systems integration. Knowledge of Industry Standards ( Institute, TIA 942 ) and Technology Vendors that relate to Data Center facilities. Knowledge of Mechanical Modelling Software (Revit, AutoCAD, etc.) Solid knowledge of various Codes, Regulations, and Standards across South Africa. Educational Requirements A Bachelors Degree in Mechanical Engineering Professional registration preferred. IT / ICT or any business-related qualification will be an advantage. Soft Skills. Strong communication, presentation, interpersonal, and stakeholder engagement skills, Team-oriented leadership and collaboration abilities High personal effectiveness and work ethic Excellent analytical, problem-solving, and project management skills,

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About Engineering Jobs in Gauteng

In Gauteng, the engineering job market is generally driven by the growth and development of various industries, including technology, manufacturing, and infrastructure development. This has led to a high demand for skilled engineers with expertise in fields such as mechanical, electrical, civil, and chemical engineering. Typically, these roles involve designing, developing, testing, and implementing solutions to real-world problems.

The salary range for engineering positions in Gauteng is typically broad, with junior engineers earning around R300 000 to R500 000 per annum, while senior engineers can earn upwards of R800 000 to over R1 200 000. However, it’s essential to note that salaries can vary greatly depending on factors such as experience, company size, and industry sector. For instance, engineers working in the technology industry may receive higher salaries than those in manufacturing or infrastructure development.

Common skills for engineering roles include proficiency in computer-aided design (CAD) software, programming languages like Python or C++, and strong analytical and problem-solving skills. Engineers must also be able to communicate effectively with colleagues from other disciplines and manage projects from conception to completion. Other essential skills include familiarity with industry-specific standards and regulations, as well as the ability to work in a fast-paced environment.

Industry sectors that commonly employ engineers include financial services, technology, manufacturing, and infrastructure development. In these sectors, engineers play critical roles in designing and implementing solutions for complex problems, such as process optimization, product development, and system integration.

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For career progression, engineers can typically expect to move into senior or leadership roles with experience and additional qualifications. Many engineers also choose to pursue advanced degrees, such as master’s or doctoral studies, to specialize in a particular area of engineering or transition into related fields like research and development or consulting.

This information provides general career guidance. Actual salaries and requirements vary by employer.

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