Client Manager - Sustainability

We exist to create positive change for people and the planet. Join us and make a difference too!

The Client Manager - Sustainability is responsible for conducting independent, impartial, and competent audit, verification and assurance activities in accordance with internationally recognized standards. This includes GHG emissions verification (Scope 1, 2, and where applicable Scope 3) and assurance of sustainability or ESG disclosures, ensuring compliance with program requirements, regulatory frameworks, and internal quality protocols.

The role involves planning, conducting, and reporting verification/assurance engagements, evaluating evidence, identifying nonconformities, and contributing to the certification decision process—while upholding CB accreditation rules under ISO 14065, ISO 17029, and related schemes.

The role also includes conducting sustainability-related trainings in a manner that does not compromise CB independence, such as general awareness, standards orientation, and capacity-building sessions (non-consulting, non-advisory).

Qualifications

Required

• Bachelor’s in Environmental Science, Engineering, Sustainability, Accounting, or similar field.
• 2–5+ years of experience with GHG inventories, ESG reporting, audits, or sustainability assurance.
• Experience interpreting sustainability standards (GRI, SASB, ISSB/IFRS, TCFD).
• Strong skills in evidence evaluation, sampling, root cause assessment, and data analysis.
  
  
  

Preferred

• Lead Auditor-level competencies (ISO 14001 or equivalent experience using ISO 19011).
• Certified Public Accountant
• Experience delivering sustainability-related training.
• Sector experience (energy, manufacturing, FMCG, real estate, finance, etc.).
• Familiarity with regulatory and program-specific GHG verification schemes.
• Experience with Scope 3 methodologies, LCA basics, or decarbonization concepts.
  
  
  

Working Conditions

• Hybrid/remote with periodic travel for onsite audits and trainings
• Workload peaks aligned with reporting/assurance cycles
• Must adhere to impartiality rules at all times
  
  
  

About Us

BSI is a business improvement and standards company and for over a century BSI has been recognized for having a positive impact on organizations and society, building trust and enhancing lives.

Today BSI partners with more than 77,500 clients in 195 countries and engages with a 15,000 strong global community of experts, industry and consumer groups, organizations and governments.

Utilizing its extensive expertise in key industry sectors - including automotive, aerospace, built environment, food and retail, and healthcare - BSI delivers on its purpose by helping its clients fulfil theirs.

Living by our core values of Client-Centricity, Agility, and Collaboration, BSI provides organizations with the confidence to grow by partnering with them to tackle society’s critical issues – from climate change to building trust in digital transformation and everything in between - to accelerate progress towards a better society and a sustainable world.

BSI is an Equal Opportunity Employer dedicated to fostering a diverse and inclusive workplace.

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