Sustainability & ESG Consultant

Optiwise specializes in designing and developing platforms that support organizational communications, investor relations, and Environmental, Social, and Governance (ESG) disclosures for public companies. Additionally, we offer consultancy to firms preparing for their Initial Public Offerings (IPOs). With over 20 years of experience in the communications and IT industry, our team has a deep understanding of developing effective technology solutions tailored to meet the needs of large corporations in Thailand and across the Asia region. We provide an opportunity for those eager to learn and work in an open and modern cultural setting to develop their skills alongside us. At our company, we place great emphasis on fostering a growth culture and teamwork. About this Role Optiwise is looking for a Sustainability & ESG Consultant to join our team. This role will be responsible for managing and coordinating sustainability projects for our clients, working closely with both clients and internal teams to ensure projects are delivered effectively, accurately, and on time. The successful candidate will act as a key point of contact between clients and Optiwise teams — understanding client requirements, providing sustainability guidance, translating requirements into clear actions, and coordinating all parties to deliver high-quality outcomes. The role is ideal for someone who combines sustainability knowledge, consulting skills, strong project management, and excellent client communication. Key Responsibilities Client Consulting & Relationship Management • Work closely with clients to understand their sustainability objectives, challenges, regulatory requirements, and project expectations. • Act as a key project contact and provide practical sustainability advice and recommendations to clients. • Build trusted relationships with client management and working teams through professional, responsive, and solution-oriented communication. • Facilitate client meetings, workshops, presentations, and project discussions. Project Management & Coordination • Manage sustainability projects from planning through final delivery, ensuring agreed scope, timeline, and quality standards are achieved. • Coordinate effectively between clients, sustainability consultants, content teams, designers, developers, and other internal teams. • Translate client requirements and technical sustainability information into clear briefs and actionable tasks for internal teams. • Monitor project progress, identify potential issues or delays, and proactively coordinate solutions. • Review deliverables before submission to ensure accuracy, consistency, and alignment with client expectations. Reporting & Sustainability Frameworks • Support projects related to sustainability reporting and frameworks such as GRI Standards, IFRS S1 & S2, FTSE Russell ESG Ratings, SET/SEC sustainability requirements, and other relevant ESG frameworks. • Coordinate sustainability data collection with clients and review information for completeness, consistency, and accuracy. • Stay updated on sustainability regulations, reporting standards, ESG ratings, and market developments. Team Collaboration • Work closely with senior consultants and management to develop solutions tailored to each client's needs. • Support and guide junior team members where appropriate. • Share sustainability knowledge and best practices across internal teams. • Contribute to improving consulting methodologies, project processes, templates, and service quality. Qualifications • Bachelor’s degree in Sustainability, Environmental Studies, Business Administration, Finance, Economics, Communications, Engineering, or related fields. • 3–5 years of relevant experience in sustainability, ESG consulting, corporate sustainability, sustainability reporting, project management, or related fields. • Experience working directly with corporate clients or cross-functional teams is highly preferred. • Good knowledge of sustainability and ESG frameworks such as GRI Standards, IFRS S1 & S2, FTSE Russell ESG Ratings, SET/SEC requirements, and sustainability reporting. • Strong project management skills with the ability to manage several projects and stakeholders simultaneously. • Strong communication, presentation, and interpersonal skills. • Able to understand complex client requirements and translate them into practical actions for different teams. • Strong analytical and problem-solving skills with attention to detail. • Good command of written and spoken Thai and English. • Proficiency in Microsoft Office, particularly PowerPoint, Word, and Excel. • Experience using AI and digital tools for research, analysis, reporting, or project management is an advantage. Work Conditions • The workplace is at Bubhajit Building, conveniently located 200 meters from MRT Lumphini Station or 800 meters from BTS Sala Daeng Station. • Work 5 days a week, Monday to Friday. • Flexible working hours. • Casual dress code allowed, including t-shirts, jeans, and sneakers. • The workplace is near a public park (Lumphini Park), suitable for running or walking after work. • The company provides computers (PC, Mac, Laptop) for all employees. Benefits • Guaranteed bonus (Fixed Bonus). • Performance-based bonus (Performance Bonus). • Annual salary increment. • Social Security Fund. • Provident Fund. • Life and accident insurance. • Health insurance (outpatient and inpatient). • Seasonal flu vaccination. • Public holidays. • Paid Leave of 14 days. • Company parties on special occasions. Address: 20 Bubhajit Building, 8th Floor, North Sathon Road, Silom, Bangrak, Bangkok 10500 Website: https://www.optiwise.io