Company Description

At Totex Energy, we are building intelligent distributed energy systems that integrate HVAC, hot water, EV charging, lithium storage, and thermal storage into a unified platform.

Role Description

We are seeking a Mechanical Engineering Intern to support the installation, commissioning, testing, troubleshooting, and remote monitoring of our HVAC and integrated energy systems.

This is a hybrid role combining remote technical support with occasional visits to customers' homes for system installation, inspection, troubleshooting, and maintenance.

Responsibilities

- Assist with HVAC system assembly, installation, and commissioning.
- Visit pilot systems to inspect, diagnose, and troubleshoot system issues.
- Support hydronic piping layouts, component selection, and system integration.
- Participate in field testing, troubleshooting, and performance optimization.
- Work with EEVs, solenoid valves, pumps, sensors, and other HVAC components.
- Assist with basic electrical inspections, wiring checks, and component troubleshooting under appropriate supervision.
- Monitor installed systems remotely, reviewing temperatures, energy usage, alarms, and equipment status.
- Identify faults, abnormal system behavior, and performance issues.
- Perform basic remote troubleshooting and system resets where required.
- Document installation and maintenance activities, including taking photographs of equipment, wiring, piping, and system configurations with customer permission.
- Maintain records of site visits, commissioning results, troubleshooting activities, and resolved issues.
- Prepare technical reports, installation documentation, and commissioning checklists.
- Support testing of control strategies and system improvements.
- Communicate technical findings and issues with the engineering team.

Qualifications

- Currently pursuing or recently completed a degree or diploma in Mechanical Engineering, HVAC,



Refrigeration and Air Conditioning, or a related field.
- Positive understanding of mechanical engineering, thermodynamics, heat transfer, and fluid systems.
- Basic electrical knowledge, including wiring, voltage, current, electrical safety, and common electrical components.
- Ability to safely use basic hand tools, power tools, and measurement instruments.
- Familiarity with mechanical drawings, piping layouts, and basic electrical diagrams.
- Strong analytical, troubleshooting, documentation, and communication skills.
- Comfortable visiting customers' homes and interacting professionally with customers.
- Ability to document completed work through photographs, written reports, and checklists.
- Willingness to travel to customer sites when required.
- Ability to work independently on assigned tasks and coordinate with the engineering team.

Preferred

- Experience with HVAC, heat pumps, hydronic systems, refrigeration, or thermal storage.
- Familiarity with sensors, controls, PLCs, Raspberry Pi, Modbus, or data analysis.
- Experience using multimeters and basic electrical testing instruments.
- Hands-on experience in installation, servicing, maintenance, or commissioning.
- Familiarity with CAD tools.
- Valid driver's license and ability to travel to customer locations. (Having a Car is an added advantage)
- Interest in cleantech, energy storage, and grid-interactive technologies.

Work Arrangement

- This role involves a combination of on site troubleshooting in pilot systems in site, and work from office and also work from home.
- The role should also focus on documenting things what they are doing and other details instructed by the company.
- Reasonable, pre-approved expenses incurred on behalf of the company for work-related activities will be reimbursed.
- This is intended to be an unpaid internship, subject to meeting applicable legal requirements. No salary or stipend is offered for a lawfully unpaid placement, but eligible work-related expenses will be reimbursed.

📌 HVAC Engineering Intern (Melbourne)
🏢 TOTEX ENERGY
📍 Melbourne