Junior Mechanical Engineer - HVAC Systems

Placements24; Benoni; On-site; ZAR 180,000 - 240,000; Full time

Benefits offered by this job

Competitive salary

Medical aid

Retirement fund contributions

Paid annual leave

Structured training & mentorship

Career advancement opportunities

Exposure to diverse projects

Supportive team environment

Job summary

WhatJobs Direct is seeking a Junior Mechanical Engineer to focus on HVAC systems. This is an on-site, full-time role in Benoni, Gauteng, SA, ideal for a recent graduate or early-career engineer looking to grow in building services.

You will assist in design, analysis and implementation of HVAC solutions, perform calculations, produce drawings, support site installations and troubleshoot issues under supervision.

Qualifications

• Bachelor's degree in Mechanical Engineering required.
• Recent graduate or up to 3 years of experience in Mechanical Engineering with an interest in HVAC.
• Foundational knowledge of thermodynamics, heat transfer, and fluid mechanics.
• Familiarity with CAD software, preferably AutoCAD/Revit for MEP design.

Responsibilities

• Assist senior engineers in the design of HVAC systems including ductwork, piping and equipment selection.
• Perform basic calculations related to airflow and heat load.
• Create and modify HVAC drawings using CAD software (AutoCAD MEP, Revit MEP).
• Support site visits for installation supervision, commissioning, and troubleshooting.
• Prepare technical documentation and reports.

Skills

Thermodynamics

Heat transfer

Fluid mechanics

Analytical skills

Communication

Teamwork

Education

Bachelor's degree in Mechanical Engineering

Tools

AutoCAD

Revit

Job description

About the Role

Our client, WhatJobs Direct, is seeking an enthusiastic and motivated Junior Mechanical Engineer to focus on HVAC (Heating, Ventilation, and Air Conditioning) systems. This is an excellent entry-level opportunity for a recent graduate or early-career engineer to gain hands-on experience in a dynamic sector. The role requires full-time on-site presence at our client's location in Benoni, Gauteng, ZA. You will work under the guidance of senior engineers to assist in the design, analysis, and implementation of HVAC solutions for commercial and industrial projects. Responsibilities will include performing calculations, creating drawings, supporting site installations, and troubleshooting system issues. The ideal candidate will have a solid understanding of thermodynamics and fluid mechanics, a keen eye for detail, and a strong desire to learn and grow within the field. We are looking for a proactive individual eager to contribute to a team focused on delivering high-quality building services.

Key Responsibilities

• Assist senior engineers in the design and development of HVAC systems, including ductwork, piping, and equipment selection.
• Perform basic engineering calculations related to airflow, heat load, and system performance.
• Create and modify HVAC drawings using CAD software (e.g., AutoCAD MEP, Revit MEP).
• Support site visits for installation supervision, system commissioning, and troubleshooting.
• Assist in the preparation of technical documentation, specifications, and reports.
• Conduct research on new HVAC technologies, materials, and energy efficiency standards.
• Help to identify and resolve technical issues encountered during design and construction phases.
• Coordinate with project managers and site teams to ensure project timelines are met.
• Maintain accurate project files and design records.
• Learn and apply company design standards and best practices in HVAC engineering.

Requirements

• Bachelor's degree in Mechanical Engineering.
• Recent graduate or up to 3 years of experience in Mechanical Engineering, with an interest in HVAC.
• Foundational knowledge of thermodynamics, heat transfer, and fluid mechanics.
• Familiarity with CAD software, preferably for MEP design (e.g., AutoCAD, Revit).
• Strong analytical and problem-solving skills.
• Excellent communication and teamwork abilities.
• Ability to work effectively in a team environment and follow instructions.
• Detail-oriented with a commitment to accuracy.
• Willingness to learn and develop expertise in HVAC systems.
• Must be able to work full-time on-site in Benoni.

Benefits

• Competitive entry-level salary.
• Medical aid benefits.
• Retirement fund contributions.
• Paid annual leave.
• Structured training and mentorship program.
• Opportunities for career advancement.
• Exposure to diverse and challenging projects.
• Supportive team environment.
• Contribution to sustainable building solutions.
• Regular performance reviews and feedback.