Sustainability Manager, Carbon Accounting & Performance

AIG; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A global leader, AIG is seeking a Sustainability Manager to own the annual operations GHG inventory and drive carbon accounting programs across the organization.

You will collaborate with cross-functional teams, track regulatory changes, develop KPIs and dashboards, and translate complex sustainability topics into clear business insights for action.

Qualifications

• Bachelor's degree in Sustainability or related field.
• 5+ years' experience in 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

Responsibilities

• Own the annual operations GHG emissions inventory, including methodology, boundaries, assumptions and emissions factors and maintain an Inventory Management Plan 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.
• 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.

Skills

GHG accounting

Data analysis

Stakeholder management

Strategic thinking

Communication

Project management

Education

Bachelor's in Sustainability

Tools

Watershed

Workiva

Job description

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

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 develop