Electrical Applications Engineer

Infinity Cube; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

Infinity Cube, a Singapore-based provider of Battery Energy Storage Systems, seeks an Electrical Applications Engineer to lead technical proposals, system configurations and customer engagement across regions. You will commission BESS, perform FAT/SAT, and collaborate on continuous product development with manufacturing partners.

The role covers project engineering, site support, and hands-on troubleshooting while liaising with customers, distributors and internal teams to deliver reliable

Qualifications

• Degree in Electrical Engineering, Power Engineering, Mechatronics or a related discipline.
• 3–8 years of relevant working experience.
• Preferred experience in BESS, Generator systems, Power generation, Electrical distribution, Switchboards, UPS systems, Solar Energy, Renewable energy, Industrial Automation, Marine electrical systems and Data centre power infrastructure.

Responsibilities

• Support the sales team with technical proposals and system configurations.
• Review customer requirements and recommend suitable BESS solutions.
• Prepare technical calculations, single-line diagrams and supporting documentation.
• Participate in customer meetings to provide technical advice and presentations.
• Commission Battery Energy Storage Systems (BESS).
• Conduct FAT and SAT.
• Support system installation and commissioning.
• Perform troubleshooting and root cause analysis.
• Conduct customer training during project handover.
• Gather customer feedback during project handover and post-install support.

Skills

Three-phase electrical systems

Electrical drawings & schematics

Electrical troubleshooting

Commissioning of industrial electrical

Electrical protection & power dist.

PLC or industrial control systems

Modbus / CAN communication

Battery systems

Generator synchronization

Solar PV integration

EMS / SCADA systems

Education

Degree in Electrical Engineering, Power Engineering, Mechatronics or related discipline

Tools

Microsoft Office

Job description

About Infinity Cube

Infinity Cube is an international provider of Battery Energy Storage Systems (BESS) and hybrid power solutions for construction, infrastructure and industrial applications.

Headquartered in Singapore, we have expanded into Australia and the United Kingdom, supporting customers with innovative temporary power solutions that reduce fuel consumption, emissions and operating costs.

As we continue to grow internationally, we are looking for an Electrical Applications Engineer to strengthen our engineering capability and support customers across multiple regions.

About the Role

This is not a traditional site engineer role.

As an Electrical Applications Engineer, you will play a key role throughout the entire project lifecycle—from supporting technical proposals and customer discussions, to commissioning systems, improving product quality, and working with our manufacturing partner on continuous product development.

You will work closely with customers, distributors, suppliers and our engineering teams to ensure Infinity Cube continues delivering reliable, high-quality energy storage solutions worldwide.

This role is ideal for someone who enjoys solving technical problems, working directly with customers, and wants to grow into a future technical leadership position.

Key Responsibilities

Technical Sales Support

• Support the sales team with technical proposals and system configurations.
• Review customer requirements and recommend suitable BESS solutions.
• Prepare technical calculations, single-line diagrams and supporting documentation.
• Participate in customer meetings to provide technical advice and presentations.

Project Engineering & Site Support

• Commission Battery Energy Storage Systems (BESS).
• Conduct Factory Acceptance Tests (FAT) and Site Acceptance Tests (SAT).
• Support system installation and commissioning.
• Perform troubleshooting and root cause analysis.
• Conduct customer training during project handover.

Product Quality & Continuous Improvement

• Conduct product quality inspections.
• Investigate warranty and field issues.
• Prepare technical reports and corrective action recommendations.
• Work closely to improve product quality, reliability and serviceability.
• Track recurring issues and drive continuous improvement initiatives.

Product Development

• Gather customer feedback from local and international markets.
• Support testing of new features and software updates.
• Participate in new product development discussions.
• Review product documentation and engineering drawings.

Technical Support

Provide technical support for customers and distributors in:

• Singapore
• Australia
• United Kingdom
• Europe
• Other international markets as required

Support may include remote troubleshooting, on-site visits and customer training.

Documentation

Prepare and maintain:

• Technical manuals
• Installation guides
• Commissioning procedures
• Standard Operating Procedures (SOPs)
• Service reports
• Technical bulletins

Skills & Requirements

• Degree in Electrical Engineering, Power Engineering, Mechatronics or a related discipline.

• 3–8 years of relevant working experience.
• Fresh candidates with exceptional aptitude and internships in relevant industries may also be considered.
• Preferred experience in one or more of the industries - Battery Energy Storage Systems (BESS), Generator systems, Power generation, Electrical distribution, Switchboards, UPS systems, Solar Energy, Renewable energy, Industrial Automation, Marine electrical systems and Data centre power infrastructure.

• Three-phase electrical systems.
• Electrical drawings and schematics.
• Electrical troubleshooting.
• Commissioning of industrial electrical systems.
• Good understanding of electrical protection and power distribution.
• Microsoft Office.

Preferred Skills

• PLC or industrial control systems.
• Modbus / CAN communication.
• Battery systems.
• Generator synchronisation.
• Solar PV integration.
• EMS / SCADA systems.
  

Personal Attributes

• Enjoys solving complex technical problems.
• Has strong analytical and troubleshooting skills.
• Communicates confidently with customers and colleagues.
• Is proactive and willing to take ownership.
• Is organised and detail-oriented.
• Works well independently and within a team.
• Is willing to travel internationally when required.
• Has a strong desire to continuously learn and improve.

Why Join Infinity Cube?

• Be part of one of Singapore's fastest-growing Battery Energy Storage System companies.
• Work on international projects across Singapore, Australia, the United Kingdom and Europe.
• Gain exposure to cutting-edge energy storage, hybrid power and microgrid technologies.
• Work directly with senior management and play a key role in shaping the company's future.
• Join a growing organisation where your ideas and contributions will have a direct impact on product development and customer success.