Location
Hampstead Road, London, England, United Kingdom

Hours
Full Time

Salary
Negotiable

About the Role
We are ASOS, the online retailer for fashion lovers worldwide, committed to empowering our customers and people to be their true selves. We are Disability Confident Committed and welcome requests for reasonable adjustments throughout recruitment.

As a Senior Sustainability Partner within the Sustainability team, you will play a hands-on, delivery-focused role implementing ASOS’s sustainable materials priorities. You will lead structured programmes, engage closely with suppliers, collaborate with Buying and Sourcing teams, and manage robust data and certification processes. Reporting to the Head of Sustainability, this 12-month fixed-term contract involves turning sustainable materials targets and regulatory requirements into clear delivery plans, coordinated supplier actions, effective business processes, and measurable outcomes aligned with commercial goals.

Key responsibilities include:
- Leading delivery of annual sustainable materials targets, tracking progress and analysing gaps across fibres, categories, suppliers, and buying areas.
- Developing and implementing supplier transition plans with priority garment and fabric suppliers, ensuring commercial alignment on cost, quality, and speed-to-market.
- Maintaining regular engagement with key suppliers to drive progress against transition milestones.
- Mapping and assessing upstream sustainable fibre and material sources to identify sourcing opportunities.
- Partnering with Buying and Sourcing teams to embed sustainable materials goals into practical sourcing solutions.
- Leading tracking, verification, and validation of sustainable materials data and certifications at product and fabric levels.
- Driving closure of data and certification gaps through targeted supplier engagement.
- Defining business needs for certification and traceability data and shaping system solutions.
- Translating legislative requirements (ESPR, DPP, ECGT, CMA Green Claims Code) into readiness plans embedded in strategy and processes.
- Improving systems, dashboards, and reporting to support sustainable materials and regulatory compliance.
- Coordinating company and industry reporting and managing relationships with key organisations.
- Managing the Sustainable Product Team’s day-to-day delivery, setting priorities, removing blockers, and supporting team development through coaching and feedback.

Experience
- Minimum 5 years’ experience in sustainability within fashion, apparel, or retail.
- Proven track record delivering sustainability programmes from planning through implementation.
- Strong understanding of sustainable materials, supply-chain traceability, and certification standards across polyester, cotton, and MMCFs.
- Practical experience engaging with complex supply chains and monitoring supplier progress.
- Commercially aware with experience balancing cost, quality, and speed-to-market in sustainable materials solutions.
- Strong analytical and data management skills, including validation of supplier, material, and certification data for audit-ready reporting.
- Experience with product data systems (e.g. PLM), traceability platforms, and AI tools is beneficial.
- Excellent project management skills coordinating multiple workstreams and deadlines.
- Strong stakeholder management and collaboration skills.
- Clear written and verbal communication, able to translate technical and regulatory requirements into practical guidance.
- Good knowledge of relevant sustainability and supply-chain legislation including ESPR, DPP, ECGT, and CMA Green Claims Code.

About you
Motivated, hands-on, and delivery-focused professional with a passion for sustainable fashion. You thrive in fast-paced environments, enjoy collaborating across teams, and are committed to driving measurable sustainability outcomes.

Qualifications
Relevant qualifications in sustainability, environmental science, supply chain management or related fields are advantageous but not mandatory. A strong combination of experience and skills is essential.