Sustainability Manager, Carbon Accounting & Performance

Location: London

Join us as a Sustainability Manager to take your career to the next level with a global market leader.

This is a highly visible, hands-on role where you’ll lead the company’s greenhouse gas inventory and carbon accounting program for AIG’s operations, ensuring accurate data, strong governance, regulatory alignment, and readiness for external reporting and assurance. The role will also track sustainability performance, support climate strategy, manage cross-functional programs, and translate technical topics into clear business insights and stakeholder communications.

How you’ll create an impact

• Own the annual operations GHG emissions inventory, including methodology, boundaries, assumptions and emissions factors and maintain a transparent, consistent and well-documented Inventory Management Plan that is ready for external reporting and assurance.
• Manage our carbon accounting processes and platform, working with internal teams and external partners to improve data quality and efficiency.
• Own the annual operations GHG emissions inventory, including methodology, boundaries, assumptions and emissions factors and maintain a transparent, consistent and well-documented Inventory Management Plan that is ready for external reporting and assurance.
• Review and validate inventory results, including data quality, reasonableness, year-over-year changes and significant assumptions.
• Track evolving GHG accounting standards, sustainability regulations and disclosure requirements, assessing what they mean for the business.
• Develop KPIs, dashboards and scorecards to help measure sustainability performance and inform decision-making.
• Evaluate the effectiveness of sustainability programs against business goals, stakeholder expectations and relevant industry benchmarks.
• Support our climate strategy and decarbonisation priorities using credible frameworks, methodologies and emissions pathways.
• Build strong partnerships across a global organisation, translating complex sustainability topics into clear, commercially relevant insights.
• Help develop and deliver our internal and external sustainability engagement strategy, ensuring we communicate our progress and story effectively.
• Guide and support Sustainability Working Groups, business champions and the Employee Sustainability Network in advancing shared priorities.
• Translate sustainability strategy and technical topics into clear, business-relevant messages, recommendations and actions.
• Lead cross-functional sustainability projects from concept through to delivery.

What you’ll need to succeed

• Bachelor’s degree in Sustainability or Environmental-related field, Business or other discipline that aligns with corporate sustainability initiatives preferred.
• 5+ years’ experience within corporate sustainability.
• Strong knowledge of GHG emissions accounting, methodologies and reporting requirements, and decarbonization strategies including renewable energy procurement.
• Familiarity with frameworks and standards such as the GHG Protocol, ISSB and SBTi.
• Experience working with sustainability data, reporting tools and/or carbon accounting platforms such as Watershed or similar.
• Strong analytical skills and the ability to turn complex information into clear recommendations.
• Excellent project and stakeholder management skills, with the ability to manage multiple priorities.
• A strategic mindset combined with a willingness to be hands-on and get into the detail.
• Strong communication skills and the confidence to work with stakeholders at different levels across a global organisation.
• Knowledge of Workiva and Watershed strongly preferred

#LI-AIG

At AIG, we value in-person collaboration as a vital part of our culture, which is why we ask our team members to be primarily in the office. This approach helps us work together effectively and create a supportive, connected environment for our team and clients alike.

Enjoy benefits that take care of what matters

At AIG, our people are our greatest asset. We know how important it is to protect and invest in what’s most important to you. That is why we created our Total Rewards Program, a comprehensive benefits package that extends beyond time spent at work to offer benefits focused on your health, wellbeing and financial security—as well as your professional development—to bring peace of mind to you and your family.

Reimagining insurance to make a bigger difference to the world

American International Group, Inc. (AIG) is a global leader in commercial and personal insurance solutions; we are one of the world’s most far-reaching property casualty networks. It is an exciting time to join us — across our operations, we are thinking in new and innovative ways to deliver ever-better solutions to our customers. At AIG, you can go further to support individuals, businesses, and communities, helping them to manage risk, respond to times of uncertainty and discover new potential. We invest in our largest asset, our people, through continuous learning and development, in a culture that celebrates everyone for who they are and what they want to become.

Welcome to a culture of inclusion

We’re committed to creating a culture that truly respects and celebrates each other’s talents, backgrounds, cultures, opinions and goals. We foster a culture of inclusion and belonging through learning, cultural awareness activities and Employee Resource Groups (ERGs). With global chapters, ERGs are a cornerstone for our culture of inclusion. The talent of our people is one of AIG’s greatest assets, and we are honored that our drive for positive change has been recognized by numerous recent awards and accreditations.

AIG provides equal opportunity to all qualified individuals regardless of race, color, religion, age, gender, gender expression, national origin, veteran status, disability or any other legally protected categories.

AIG is committed to working with and providing reasonable accommodations to job applicants and employees with disabilities. If you believe you need a reasonable accommodation, please send an email to [email protected].

Functional Area

LG - Legal, Regulatory & Gov't Affairs