Lead Environment Advisor

About Aster 

Aster Chemicals and Energy (Aster) is a leading provider of chemical and energy solutions in Singapore and Southeast Asia. Aster is a joint venture led by Chandra Asri in partnership with Glencore Group. Building on the foundations of Singapore’s first oil refinery, our facilities on Pulau Bukom and Jurong Island serve as the nation’s hub for integrated refining and petrochemical production. Aster Bukom operates a 237,000 barrels per day refinery and a 1.1 million tonne per year ethylene cracker, while Aster Jurong Island produces essential petrochemicals that support industries across the region. 

With over 60 years of heritage, Aster is shaping the future by driving progress and creating new opportunities for our people.  From advancing energy solutions to driving petrochemical innovation, we welcome you to join us in our journey that reflects our commitment to sustainability and operational excellence in an evolving industry landscape. 

Together, we can achieve more—come be a part of it. 

Job Responsibilities:

As a key member of the Environment team, you will play a critical role in shaping how environmental requirements are translated into practical, effective, and value-adding site practices. You will help ensure regulatory compliance, drive continuous improvement, and support the organisation’s Goal Zero and sustainability aspirations through strong environmental governance, field presence, and technical leadership.

• Champion environmentally responsible operations by ensuring activities are managed in accordance with approved environmental practices and the organisation’s management system.
• Lead and deliver high-quality environmental reporting in line with regulatory and internal performance requirements, particularly Aster Performance, Monitoring & Reporting (PMR), including active engagement with the National Environment Agency (NEA).
• Translate legal, regulatory, site Written Permissions (WP), Aster Control Framework, and environmental requirements into clear, pragmatic site processes and procedures that enable safe and compliant operations.
• Design and maintain environmental monitoring programmes to track ENCIs, near misses, and deviations. Analyse trends, identify systemic issues, and lead meaningful improvement actions to closure.
• Stay ahead of evolving environmental legislation and proactively implement programmes to ensure sustained compliance and future readiness.
• Drive continuous improvement of the Environmental Management System by identifying gaps, implementing enhancements, and anticipating regulatory changes. Provide coaching and technical guidance to the Environment Team and cross-functional stakeholders, strengthening environmental capability across the organisation.
• Safeguard compliance with NEA Written Permission conditions for Scheduled Premises, ensuring licence obligations are clearly understood and met.
• Maintain a strong field presence by conducting environmental walkabouts and audits to promote awareness, verify compliance, and drive timely closure of improvement actions.
• Partner closely with Projects and Turnaround (T/A) teams to embed environmental excellence into planning and execution, supporting Goal Zero and waste minimisation objectives. Own environmental requirements within HSSE Plans and ensure practices are consistently applied on site.
• Act as the primary liaison with the National Environment Agency (NEA), maintaining constructive and professional regulatory relationships.

Why Join Us

• Make a real impact: Shape environmental performance, compliance, and sustainability outcomes across high-value operations.
• Be a trusted voice: Influence decisions from frontline execution to strategic planning as a key advisor to operations, projects, and leadership.
• Regulatory exposure: Gain hands-on experience with NEA engagements, regulatory reporting, and Written Permissions management.
• Lead meaningful change: Drive environmental improvement initiatives from concept to implementation, delivering practical solutions that reduce risk and enhance performance.
• Grow as a leader: Develop leadership skills, mentor others, and act as Environment Manager when required.
• Broad technical scope: Build expertise across air emissions, waste, effluent, chemical management, product stewardship, and biodiversity.
• Field-connected role: See your advice translate into tangible action, compliance, and operational excellence on site.
• Future-ready organisation: Be part of a team that anticipates regulatory change, drives continuous improvement, and invests in strong environmental governance.

Job Requirements:

• Minimum of 7 years of relevant experience as Chemical Engineer; or Process Engineer; or Environmental Engineer or related disciplines.
• Minimum B.S. or B.Eng. degree in Chemical, Process, Environment Engineering or other relevant technical degree related to environment.
• Working experiences in a Refinery or Chemical Plant or Oil Industry would be advantages.
• Knowledgeable with Singapore Environmental Regulations particularly to EMPA Air Impurities.
• Knowledgeable for ISO 14001 Environmental Management System.
• Demonstrated ability to lead projects and collaborate effectively with cross-functional business teams.
• Excellent interpersonal and communication skills with the ability to interact with all levels of the organization and lead small teams
• Technical competency and strong problem solving and trouble shooting skills.
• Possess knowledge of Air environment pollution issues in a Refinery or Oil Industry or Chemical Plant. Considerable working experiences in leading investigation and developing projects to resolve them.

Location: Pulau Bukom

We thank you for your interest. Kindly note that only shortlisted candidates will be contacted for a discussion.