Sustainability Manager, Carbon Accounting & Performance

AIG Inc.; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

AIG is seeking a Sustainability Manager to own the annual operations GHG emissions inventory, ensuring robust methodology, boundaries, and documentation for external reporting and assurance. The role partners with internal teams and external providers to improve data quality and drive decarbonisation initiatives.

You will develop dashboards and KPIs to track performance, communicate sustainability progress to stakeholders, and translate complex topics into clear, business-focused messages across

Qualifications

• Experience in GHG emissions accounting and reporting.
• Ability to translate complex data into clear business insights.
• Strong project and stakeholder management skills.

Responsibilities

• Own the annual operations GHG emissions inventory and ensure governance.
• Manage carbon accounting processes with internal teams and partners.
• Review inventory results for data quality and year-over-year changes.
• Develop KPIs, dashboards, and scorecards to measure sustainability performance.
• Support climate strategy and decarbonisation priorities with credible frameworks.

Skills

GHG emissions accounting

Data analysis

Stakeholder management

Communication

Project management

Education

Bachelor’s degree in Sustainability or Environmental-related field

Tools

Watershed

Workiva

Job description

Sustainability Manager, Carbon Accounting & Performance### Sustainability Manager, Carbon Accounting & PerformancePostuler: London: Full time: Offre publiée aujourd'hui: Date de fin : 11 novembre 2026 (Il reste 7 jour(s) pour postuler): JR2604598Join 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-AIGAt 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.