[Hiring] Sustainability Manager @Roundtable on Sustainable Biomaterials

Role Description

The RSB - Roundtable on Sustainable Biomaterials Association - seeks an independent consultant for a maternity leave coverage period to support a growing portfolio of work in GHG accounting, corporate Scope 3 emission reporting, environmental attribute accounting in the context of sustainable materials, chemicals, and fuels.

As Sustainability Manager, you will play a key role in supporting RSB member and non-member clients by delivering projects to accelerate the sustainable transition to circular bio-economy in different business industries and across different topics.

You will report to the Director of Advisory Services and the Sustainability Manager GHG expert, and work closely with the other RSB areas, such as the Programs, Sustainability Foundations, and RSB Secretariat teams.

You will be responsible for these main areas of work:

• Project Delivery
  • Contribute to RSB’s Advisory Services Projects assigned to you, including operational, administrative, engagement and content development activities.
  • Support the delivery of multiple client-facing projects based on sustainable feedstocks, biofuels, traceability, and other standard and certification related topics with a special focus on GHG emission savings and LCA approach.
  • Develop reports and practical guidelines to document project findings, including results in slide decks for presentation to internal and external clients.
  • Develop training content to diverse audiences.
  • Lead, conduct and coordinate LCA and GHG assessments based on relevant regulatory and standard requirements and methodologies.
  • Support internal and external knowledge needs on cross-cutting LCA GHG emissions related themes with technical expertise.
  • Support the development and updates of RSB LCA GHG methodologies and contribute to improvements and updates to RSB’s GHG Tool and Standards from a GHG perspective.
  • Conduct literature reviews, benchmarks and gap analysis with existing sustainability standards, policies and guidance.
  • Support research on feedstock alternatives, their selection and responsible sourcing of alternative materials.
  • Facilitate stakeholder engagement processes to ensure robustness and social validation of specific proposals.
  • Familiarize with RSB standard and certification mechanisms and frameworks.
• Proposal Development
  • Contribute to ongoing and future advisory services projects related to biomaterials.
  • Support efforts in engaging with clients, identifying their needs and developing proposals according to RSB’s templates.
• Administrative and Management Requirements
  • Support Advisory Services area in tracking, documenting, archiving, and completing proposal and project related information.
  • Coordinate with external consultants involved in supporting ongoing project delivery.
  • Other activities as deemed relevant to Advisory Services purposes.

Qualifications

• Master's degree or equivalent experience in environmental science, environmental engineering, or a related field.
• 10+ years of relevant professional experience.
• Demonstrated expertise in LCA GHG calculation and assessment methodologies.
• Experience leading the implementation of complex projects.
• Experience working in one or more of the following sectors: Bioenergy / Biofuels, Chemicals and materials.
• Strong analytical and technical writing skills.
• Fluency in English.
• Effective project communication skills.
• Proficiency in Microsoft Office software.

Requirements

• Ability to translate complex technical issues into practical business recommendations.
• Strong stakeholder engagement skills.
• Ability to work independently in a remote, international environment.
• Comfortable operating in evolving methodological landscapes.
• Strong attention to detail and commitment to scientific rigor.
• Excellent project management and prioritization skills.
• Resilience under strict project due dates and the ability to manage client needs.
• Interest in market transformation, sustainable fuels, and high-integrity climate solutions.
• Strong interpersonal skills.

Benefits

• Competitive salary (according to EU regulations we need to say a range).
• Flexible working hours.
• Remote work in home-office with periodic in-person team meetings.
• Professional development opportunities.

Important Information

• Location: The position is home office-based. Candidates must be located in Spain and possess a valid work permit for the country.
• Travel: Required for meetings several times per year.
• Position type: Full-time.
• Duration: Temporary maternity cover, anticipated to last between 7 to 9 months.
• Start Date: October 2026.
• Application Deadline: 28th September 2026.