About the Role

We are seeking a technically driven and detail-oriented Green Building Intern to support our green building certification and sustainable building performance projects. This role focuses entirely on project and technical support, including energy-efficiency analysis, certification documentation, energy-modelling assistance, and testing & commissioning activities. You will work closely with certified green building professionals and gain hands-on exposure to real-world sustainability implementation across various building types. This position is ideal for final-year students passionate about building performance, energy efficiency, and climate-responsive design.

Responsibilities

Project & Technical Support (100%)

• Support green building certification projects

• Assist in building energy modelling (under supervision)

• Help analyse energy performance results and identify efficiency opportunities

• Assist in the preparation of commissioning plans and documentation

• Support site inspections and performance verification activities

• Conduct research on green building technologies and best practices

• Assist in compliance mapping with local regulations and sustainability standards

Requirements

• Bachelor’s degree in Architecture, Mechanical Engineering, Physics Engineering, Building Physics, Environmental Science, or related field

• Fresh graduate or < 1 year experience in engineering, energy modelling, or similar roles

• Able to perform energy performance analysis

• Understand the MEP system and/or Testing & Commissioning process

• Strong written and verbal communication skills (professional proficiency in English required)

• High level of organisational and time-management skills

• Comfortable working with senior leadership and multiple stakeholders

• Ability to handle sensitive information with discretion and professionalism

• Proactive, adaptable, and solutions-oriented mindset

Additional Skills

• Knowledgeable in green building certification systems

What We Offer

• Competitive salary and benefits, commensurate with experience

• Hybrid working arrangements (2 days WFO, 3 days WFH)

• Collaborative and supportive work environment

• Direct exposure to leadership and decision-making

• Opportunities to grow into permanent roles

• Meaningful work in sustainability and impact-driven projects

Location

Applicant must be located in the Jabodetabek Area.

Our Commitment to Justice, Equity, Diversity, and Inclusion (JEDI)

At Sustainahaus, we believe diverse perspectives strengthen innovation and create better sustainability solutions. We welcome applications from qualified candidates of all backgrounds and are committed to maintaining a fair, equitable, and non-discriminatory recruitment process. All employment decisions are based on qualifications, experience, competencies, and the ability to contribute to our mission.